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NEED Manual ver. 1.5 EN

1. DODDO OOOO O L N N Af 114 115 116 Fig 3 7 3 Analogue inputs potentiometer NEED 230AC 01 16 In the NEED 230AC loading times for Timers and thresholds for Counters is not available Note Remember that the parts connected must be of appropriate power and rated operating voltage Note Remember that the analogue input is power consuming which may cause the measurement results to be inaccurate if the self impedance of the source of the voltage measured is too high Caution Components such as potentiometers switches etc must be carefully insulated due to the electric shock hazard gt Be 3 8 Analogue 220 DC input connections Electric shock hazard Analogue inputs are not electrically isolated from the mains powering the relay Input signal voltage ranges for analogue inputs are 0 to 255 V DC step 1V with the accuracy of 2 of the measurement range value Analogue inputs can be used as discrete ones In such a case discrete input connection principles must be followed see above D0 PP Analogue measurement is performed using an averaging circuit The result is shown in the root mean square current Due to averaging the measurement on analogue inputs is delayed Input voltage measured must be stable for a while in order for the measurement to be accurate Analog inputs for the NEED 220DC x1 8 4 version In relays of this type these are the last two inputs no I7 and 18 Analo
2. _ Channel B rChannel C rChannel D Day1 jMon v Day 1 gt Day 1 gt Day 1 Day 2 gt Day 2 Tue v Day 2 gt Day 2 gt HH MM HH MM HH MM HH MM on fio foo of Af gt on ai gt on of A oth io onf A A off A A Fig 4 9 7 Clock 2 sample configuration window In the configuration presented above Clock 2 will set its output state to high each Monday at 10 a m turn on time and will turn off each Tuesday at 11 a m If this control is to be applied to a greater number of days the fields ON time or OFF time must be left blank for appropriate channels Clock 2 operation diagram is shown in Fig 4 9 8 t H2 Monday Tuesday 10 00 0 00 11 00 0 Fig 4 9 8 Clock 2 operation in the configuration presented in Fig 4 9 7 Identical Clock 2 operation can be achieved if the configuration is made as shown in Fig 4 9 9 NEED Programmable Relay User s Manual ver 1 5EN 54 NEED relay resources alNo file name SET amp Timers amp Calendar sun Counters gt Comparators Remanent r Calendar settings H 2 gt r Channel 4 Channel C Day 1 gt Day 2 x HH MM oof Al al JEE Day 1 Mon nd Day 2 HH MM ot aI a Fig 4 9 9 Clock 2 sample configuration window Example 4 If the ON time is later than the OF
3. Symbolic name Time setting without the use of Load Function ON delayed Fig 6 8 5 3 Object configuration Timer window If the option Use L Pot is selected the clock multiplier and the value set by the Potentiometer are used for counting by the Timer According to the example below for the multiplier x1 the value to be counted can be set within the range 1s 255s 1 255 x1s If the option Use L AIZ or Al8 is selected the clock multiplier and the value read from the I7 or 18 for Al8 analogue input are used for counting by the Timer Values read from the analogue inputs are within the same range as those read from the Potentiometer i e between 1 and 255 JF Object configuration Inputfoutput configuration T 2 Label Tim2 Use L L Value from the potentiometer Pulse time Object Timer T Function so On Delayed m Timer multiplier x10ms C x100ms C x1s Function ON delayed Multiplier C x10s C ximin Fig 6 8 5 4 Object configuration Timer POT window Note Time value can be changed in Setting window NEED Programmable Relay User s Manual ver 1 5EN 152 Installation and software description Object configuration for Counter output The following parameters number 1 8 and operands CU CD R can be selected f
4. 6 0 ON 1 A M1 I7 n A M2 0 1 Qi M1 D Result of operation ON A M1 ni i i 0 1 Q1 0D Fig 5 1 2 8 Sample time series at l6 17 M1 and M2 inputs and Q1 output Q1 output will be set state 1 when states of I6 and I7 inputs are high or one of the Markers M1 or M2 is at state 0 NEED Programmable Relay User s Manual ver 1 5EN 85 Programming languages 5 1 2 9 XOR instruction SYMBOL X X instruction is a logical instruction of XOR type SYNTAX X lt 1 Q M MDIR A H C HC1 T gt Instruction execution time 6us Example STL Relay diagram i Q1 5 1 X 15 i i xn Q1 i i Fig 5 1 2 9 Sample time series at I5 and I1 inputs and Q1 output Q1 output will be set state 1 when states of 15 and I1 inputs are opposite 15 1 and 11 0 or I5 0 and I1 1 5 1 2 10 XOR parenthesis instruction SYMBOL X XC is a logical instruction of XOR type the operand of which is the result of logical operations given in the parentheses SYNTAX X Conditional instructions Instruction execution time 6us NEED Programmable Relay User s Manual ver 1 5EN 86 Programming languages Example STL A I7 k I7 X 0 A M1 A M2 M1 a 0 Q1 Result of operation X A M1 s4 AM2 0 Fig 5 1 2 10 Sample time series at 17 M1 and M2 inputs and Q1 output
5. L N I 15 16 17 i8 19 11011 112 13 4 5 116 DODOOGOOGOGH OGOOGOO ODO n i2 13 14 15 16 I7 18 19 10 11 12 13 14 15 n6 n7 118__MODE anfl_RUN STOP O H MMMM T O M TM IT If I If E E E tf ti Ti TT 230V AC INPUT 16xAC NEED 230AC 01 16 8R Gi G2 a3 a4 a5 a6 a7 a5 DOD CD OOD OH QOD OH OD BO Supply L1 N l L2 L1 ni L3 L2 l PE L3 e Back up PE supply Wye KA X1 p M1 R CN N J Fig 10 8 1 Electrical connections diagram The motor is started cut off with the START STOP buttons The Backup power switch makes it possible to choose the mode of operation switched off in the event of a power supply network problem the motor will be cut off switched on in the event of a power supply network problem the motor will continue to run on backup power supply and will automatically revert to the main power if the power supply parameters are within the required limits the relay s built in functionality makes it possible to implement a power supply network monitoring relay satisfying the following functionalities a Monitoring of voltage levels of individual phases minimum Umin and maximum power supply voltage Umax b Phase sequence monitoring c Phase loss monitoring d Asymmetry monitoring Uasym NEED Programmable Relay User s Manual ver 1 5EN 221 Sample applications The aforementioned parameters can be
6. 6 is Ka pulses L C 6 MM lk CU C1 k Li 7 Aa h Value 6 threshold 4 pulses Value 3 threshold A A1 Counter value Counter value L C 3 i 1 7 CD C1 A C1 i 7T M16 j i L T L Values counted i en i by the Counter a N M16 Fig 5 1 2 18 4 Sample signal time series illustrating the Counter operation for two different switching thresholds 4 Several switching thresholds It is also possible to define several switching thresholds The always enabled input takes control over the Counter and depending on the value currently counted and the threshold set for that input the Counter output is either set or reset Fig 5 1 2 18 5 A M1 HN L C 6 M1 CU C1 6 pulses AAI POOU ais i 4 pulses Q2 iti L C 3 ee CU C1 1 J A H3 Value 6 threshold L C 100 Counter value i i CU C1 f i i Counter A C1 C1 M16 p54 Values counted by the Counter M16 Fig 5 1 2 18 5 Sample signal time series illustrating the Counter operation for multiple different switching thresholds NEED Programmable Relay User s Manual ver 1 5EN 100 Programming languages 5 1 2 19 Clock instructions The Clock is a real time clock and its configuration should be carried out using PC Need application see Chapter 6 Detailed Clock description see Item 4 9 Clocks SYMBOL H SYNTAX lt Conditional instructions gt H lt Clock number gt Example STL
7. User s Manual ver 1 5EN 204 Sample applications LAD M1 C 3 NEED Programmable Relay User s Manual ver 1 5EN v v Part presence gt detection Checking the opening in the part Triggering of C1Counter to count the number of transistor s terminals Setting M3 Marker for a good part Directing the flow towards good parts _ Directing the flow towards faulty parts Resetting auxiliary Markers and C1 Counter 205 Sample applications Sensor to detect the hole in the transistor housing Sensor to count the number of terminals Sensor to detect the part 4 15 6 I7 18 L NN H 2 B DDODODGOGODGDGOOOO HW 2 13 14 15 l6 17 _18 _MODE anf RUN STOP 115 230V AC INPUT 8xAC ma Q1 Q2 Q3 Q4 22 22 QR QQ any Valve coil to control Valve coil to control the cylinder position the cylinder position FAULTY OK N L Fig 10 4 2 Sample electrical connections for fault detection in parts NEED Programmable Relay User s Manual ver 1 5EN 206 Sample applications 10 5 Control of the travel of cars in the bend of the belt conveyor Task description Transferring the cars from one side of the belt conveyor to the other one The operation is performed by a turntable driven by M1 motor Only one car can be on the turntable at a time Next car cannot be placed on the turntable raceway if t
8. opening NEED Programmable Relay User s Manual ver 1 5EN 191 Sample applications AM6 Entrance door motor operation AN I3 until the actuation of I3 sensor M16 A M6 Entrance door motor operation AN l4 until the actuation of I3 sensor M15 O M15 Turning the door motor on or off O M16 Q2 Al3 __ Triggering the T2 Timer operating in the Delayed On mode L5s i e setting a fixed door opening time SD T2 RM6 Resetting M6 Marker AT2 Setting M5 auxiliary Marker AN M4 S M5 AM5 Turning Q1 off once AN l4 the limit position signaled by 14 is reached Q1 AI7 Manual door closing movement button pressed AM13 S Q1 S Q2 AN I7 Manual mode stop A M13 R Q1 R Q2 A M13 Manual opening of the door movement button pressed A l8 S Q2 NEED Programmable Relay User s Manual ver 1 5EN 192 Sample applications LAD l1 M1 Detection of actuation of any of the motion sensors 12 M1 15 M2 lt Dinas Setting Auto mode I l6 M3 S Setting 3 Closing mode 5 I9 M13 Setting Manual Ti m l a 0007 mode l6 T3 Triggering of T3 SL ae Timerin Pulse mode 1s T 1s 000ms 3 Q3 Blinking of the Eon lampconnected to Q3 M2 M4 Motion detection gt ee inClosing and Auto modes M3 Timer start in Delayed On mode triggering and unstable M4 T1 operationof the opening T1 NEED Programmable Relay User s Manual ver 1 5EN mechanism after th
9. 10m NEED 24DC x1 NEED 12DC x1 100m Output circuits specification Digital outputs type EN 61131 2 Relay type NO contacts w o protection AC digital outputs supplying a current Quantity NEED x1 08 4R 4 NEED x1 16 8R 8 Visualization of logical status LED diodes Parallel connection of outputs for improving not allowed load capacity External protection of the output circuit 16A installation switch B16 Rated load current in AC1 category 10A AC Rated load voltage in AC1 category 250V AC NEED Programmable Relay User s Manual ver 1 5EN 233 Technical specifications Minimum contact current 10mA Minimum contact voltage 10V Contact resistance lt 100mMQ Total output current EN 61131 2 NEED x1 08 4R NEED x1 16 8R 40A 4x10A 80A 8x10A Rated insulation resistance 300V reinforced between inputs and outputs basic between outputs Contact gap test voltage 1 000V AC Operating time 7ms Recovery time 3ms Max connection frequency at rated load AC1 category w o load 600 cycles h 72 000 cycles h Contact life in AC1 category depending on the T time constant L R 40ms gt 0 7x10 10A 250V AC gt 10 0 15A 220V DC Mechanical life 3x10 connection cycles Galvanic separation from supply voltage yes from digital inputs yes PC connector and the mem
10. 2550 in 0 2 steps x 100 1000 25500 x1 10 255 0 1 25 5 x10 x 10 100 2550 in 0 1 steps x 100 1000 25500 The threshold set for the NEED 24DC x1 NEED 12DC x1 relays is calculated as follows The current values on the analog input mA x range multiplier x general multiplier Counter threshold L Al16 x100 I range 0 2mA 51mA Al16 mA x 100 x 5 e g Al16 current value 1mA Value to be counted present current value at the analog input value to be counted 1mA x 100 x 5 1mA x 500 500 L Al15 x10 range 0 1mA 25 5mA Al15 mA x 10 x 10 e g Al15 current value 10mA Value to be counted current voltage value at the analog input value to be counted 10mA x 10 x 10 10mA x 100 1000 Examples of use of the L statement A I5 L 20s SF T1 A I5 L C 10 CU C8 Als L Pot x1s SE T2 A I5 L Al16 x10 CU C1 A 20s value will be loaded into the T1 Timer NEED Programmable Relay User s Manual ver 1 5EN Increased resolution of analog inputs operating range 0 10mA 25 50mA can be used only for the NEED 12DC x1 16 8 or NEED 24DC x1 16 8 relays 109 Programming languages A fixed threshold value of 10 is set for the C8 Counter C8 toggling its output state from low 0 to high 1 The T2 Timer will be loaded with the Potentiometer value multiplied by 1s For the C1 Counter a threshold value is set by means of the analo
11. COMITRONIC BTI NEED Programmable Relays User s Manual n wows gegegeeseeed FF a ef s spppbbphhyajs 33I NEED Programmable Relay User s Manual ver 1 5EN Contents CONTENTS AINE PRO DUG TOI tio gecesi hatte chee ct nared e cart a boat ed be pa Rete eS 6 2 GENERA Dr a ca te qc E a aie ea dee vele de AEE E E EE REEE A ARE RE E ceed 7 Pa PO OIICANOUS REEE EEE AE EE E E E E E EA 7 2 2 Description of NEED programmable relay front panel ssssseessssesnnrrnnreserrrnrrrrnesserrnne 7 2 3 System structure and order NUMDETS cccceeeeeeeeeeeneceeeeeeeeeeesecaeaeeeeeeeeeseeseaaaaeeeeees 9 S INSTALEATION koa o ben cer a e d een 13 3 1 Installation order seserepan r a eE rE E a ra EE RKE A R 14 3 2 Mechanical TXING irea e E EE E EEE EEEE E EE RE EEEE 14 3 2 1 Attaching to the mounting rail DIN 35MmM ccceeeeeeeeeeeeeeeeeteeeeeeeeeeteeeenaaees 14 EAA o ONE ALe EE AE A E AA 15 3 3 Terminals Gables icc ccsicscdedvcok iaae E NEEE EE AEE CANNAE EAER 16 3 4 Connection of 230V AC discrete iNputs ciciscth ohio Aalideaceasihacn en 17 3 5 Connection of 220V DC discrete inputs ccceeeeeseeeceeceeeeeeeeeeseaaeeeeeeeeeeeesesaaeeeeeeees 20 3 6 Connection of 24V 12V DC discrete inputs cece ceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeenneeeeeeeees 21 3 7 Analogue AC input CONMEGHONG cnt2c kA wie oredowwlea ita chwseatiaaswcenietid 22 3 8 Analogue 220 DC input
12. If the passwords are different the relay will not respond to the external memory The external memory password is the one which was set in PC Need during the programming NEED Programmable Relay User s Manual ver 1 5EN 165 Installation and software description 6 13 Real time clock RTC To open the RTC window go to Menu gt Device gt RTC Ctrl Shift Z on the keyboard or use the icon 7 in the toolbar It is also possible to preview the current time in the relay Read button to set any date and time and use the Save button and to set the current time of the programming device PC by means of the Synchronize option Real Time Clock Set the Relay Time 3009 2008 09 38 27 Tine Zone S Read Write Synchronize Fig 6 13 1 Real time clock window The Time zone check box makes it possible to set automatic change of winter to summer time and the other way round depending on the geographic location The None option means that the relay will not take any time changes into account NEED Programmable Relay User s Manual ver 1 5EN 166 Installation and software description 6 14 Source code In the NEED 16 8 version relays it is possible to save the source code directly in the relay It is not possible to load the code into an external memory The source program is loaded during transmission to the relay immediately after the executable code and settings are loaded Loadi
13. L Fig 10 6 1 Connection diagram NEED Programmable Relay User s Manual ver 1 5EN 211 Sample applications Execution To switch the system on momentary on switches will be used i e switches which conduct current only when pressed As they are programmable they can be used in such a way that when pressed for the first time they will turn the circuit on and the circuit will be turned off once the switches are pressed again Additional switch with two stable conditions allows to change the operating mode from manual to automatic or the other way round When in manual mode the system does not respond to central switching off The use of the programmable relay makes the operation convenient allows energy savings and provides possibilities to modify the system without changes in the system The solution presented shows how flexibly any room lighting can be shaped The system shown in Fig 10 6 includes the following components P1 emergency switch contact P2 operating mode switch P3 P4 L1 lamp circuit switches P5 L2 lamp circuit switch P6 alarm system contact independent alarm system P7 fan switch momentary on type I7 input supply voltage control Q1 OL1 circuit control Q2 OL2 circuit control Q4 fan motor on switch Operation Opening of the P1 contact disables all output circuits P2 open manual mode P2 closed automatic mode P3 or P4 first pressing turns
14. Left click the object cell to be changed 11 Right click to open the drop down menu and select the object type H and contact type NO or NC Confirm the selection by clicking the left mouse button YLI v Y Y Y Y Y Fig 6 8 4 6 Input type change Changing the output type Left click the object cell to be changed Right click to open the drop down menu and select the new type M Confirm the selection by clicking the left mouse button Fig 6 8 4 7 Output type change Following the above rules a program can be created as shown in Fig 6 8 4 8 below 4 C Need Program2 dn Fig 6 8 4 8 Program in LAD The Program2 file is linked to the Settings window Program2 ldn which is necessary to configure elements such as Timer Clock Counter Comparator Remanence and Input delay Values for Timers and Counters entered in the Settings are visible in the LAD diagram NEED Programmable Relay User s Manual ver 1 5EN 150 Installation and software description 6 8 5 Edition of an object Each object located in the diagram connection grid is editable It is possible to change parameters type and number of input output contact type Object configuration Double clicking of the left mouse button on the element located in the diagram calls the Object configuration window Change contact number Fields available for change depend on the object type x input output configuration J Entering
15. consists in marking Mark of the selected text and cutting it Cut Ctrl X followed by pasting at the required location Paste Ctrl V e Copy mark the text to be copied see Mark and Copy it using the combination of Ctrl and C keys simultaneous pressing of Ctrl and C keys Comments In order to improve the legibility of the program being edited comments can be added to it The text included in a comment is not parsed when creating the executable code A comment which starts with or is valid to the end of the line Such a comment can be started from the beginning of the line or from the point behind a written instruction NEED Programmable Relay User s Manual ver 1 5EN 142 Installation and software description Examples This is acomment starting from the beginning of the line This is also a comment starting from the beginning of the line A l1 This is a comment inserted behind an instruction In order to omit a greater number of lines during compilation the following comment can be used text Such a type of comment must define the beginning and the end of the text which will not be included in the program code Example AN A l2 The first three instructions will be omitted when compiling the program The source code will be created starting from A I3 instruction 6 7 2 STL Compilation Initially the bottom window is empty and after running he compile command F7 the compilation report is di
16. 1 80V 260V for the logical state of 0 OV 40V NEED 24DC x1 for the logical state of 1 15 40V for the logical state of 0 3V 5V NEED 12DC x1 for the logical state of 1 8V 26V for the logical state of 0 1 5V 4V Input current for the logical state of 1 NEED 230AC x1 08 4 for 230V AC 0 6mA l1 14 8 0mA I5 I6 0 9mA I7 18 NEED 220DC x1 08 4 for 220V DC 0 6mA l1 16 1 1mA I7 18 NEED 24DC x1 08 4 for 24V DC 3 3mA l1 16 2 0mA I7 18 NEED 12DC x1 08 4 for 12V DC 3 3mA l1 16 1 1mA I7 18 NEED 230AC x1 16 8 for 230V AC 0 6mA l1 111 NEED 220DC x1 16 8 for 220V DC NEED 24DC x1 16 8 for 24V DC 8 0mA 112 113 1 5mA 114 116 0 6mA 11 113 1 1mA 114 116 3 3mA 11 113 2 0mA 114 116 NEED Programmable Relay User s Manual ver 1 5EN 231 Technical specifications NEED 12DC x1 16 8 for 12V DC 3 3mA 11 113 1 1mA 114 116 Input impedance NEED 230AC x1 08 4 11 14 I5 I6 I7 18 NEED 230AC x1 16 8 11 111 400kQ 28 75kKQ 200kQ for the positive half wave 400kQ for the negative half wave 400kQ a 28 75kQ Se 200kQ for the negative half wave NEED 220DC x1 08 4 400kQ for the negative half wave 3 5 400kQ 200kQ NEED 220DC x1 16 8 l1 113 400kQ 114 116 200kQ NEED 24DC x1 08 4 I1 I6 7 44kQ 17 18
17. 22 24 Connection digital inputs 17 20 21 Connection inputs 25 Connection outputs 28 Connection power supply 29 31 Counters 47 Counters inputs 47 Counters number of pulses to be counted 47 Counters output 47 CU Counter instruction 96 Editor LAD 145 Examples applications 183 External memory 179 files types 155 Fixing to the DIN mounting rail 14 FP statement 90 Input delay 174 Installation 128 Instructions for analogue inputs 102 LAD 113 LAD Counters 121 LAD inputs 114 118 LAD network 115 LAD outputs 114 119 LAD program 115 LAD rules 123 LAD Timers 120 LOAD L 103 Markers 39 MDIR marker 40 Memory Programming 180 Memory copying 182 Memory partitions 180 Menu 136 Menu description 137 operation CD Counter 48 Operation Clock 50 Operation CU Counter 48 Operation SD Timer 91 NEED Programmable Relay User s Manual ver 1 5EN Operation SD Timer 44 Operation SE Timer 45 Operation SF Timer 92 Operation SF Timer 45 Operation SL Timer 46 Operation Timer SE 93 Operation Timer SL 94 OR NOT ON 85 OR O 82 OR O 83 Output delay 178 PC connection 128 Potentiometer 69 Power supply 169 Preview of variables 161 Program cycle 32 Project 129 Quick counter 48 Real time clock 63 Relay resources 34 Remanences 70 Reset R 89 S statement 89 SE Timer instruction 9
18. Al15 Al16 for NEED 12DC 01 16 8 NEED 24DC 01 16 8 for example L Al7 x100 Value to be counted current voltage value at the analog input range 0 1V 25 5V AI7 V x 100 x 10 e g voltage value at Al7 10V Ivalue to be counted 10V x 100 x 10 10V x 1000 10 000 L Al15 x10 _ Value to be counted current voltage value at the analog input range 0 05V 12 75V Al15 V x 10 x 20 e g Al15 analog voltage value 1V Ivalue to be counted 1V x 10 x 20 1V x 200 200 Increased resolution of analog inputs operating range 0 05V 12 75V can be used only for the NEED 12DC x1 16 8 or NEED 24DC x1 16 8 relays 5 1 2 21 2 4 Threshold values for Counters based on the voltage values on current analog inputs Time of statement execution 10 3us For setting thresholds for the Counter it is possible to use the values of currents read from the 114 115 116 analog inputs in the NEED 12DC x1 16 8 or NEED 24DC x1 16 8 In this case the lt value gt argument of the L statement can take the threshold values shown in the Table no 5 1 2 21 2 4 NEED Programmable Relay User s Manual ver 1 5EN 108 Programming languages Table 5 1 2 21 2 4 The L statement arguments for Counters obtained by reading the analog inputs The current range on the analog input mA Range multiplier General multiplier Number range x1 10 255 0 2 51 0 x10 x5 100
19. L 20ms SL T1 5 f 1 AT1 Q8 if Q8 0 lt gt lt 4 gt lt 4 SD mode SF mode SE mode SL mode operation operation operation operation Fig 5 1 2 17 5 Sample signal time series illustrating multiple use of T1 Timer If according to the above example the leading edge occurs at the 11 input then T1 Timer will be triggered in SD mode with the time of 20 ms 1 If the trailing edge occurs at the 12 input then the T1 Timer will be triggered in SF mode with the time of 50 ms 2 If leading edge occurs at the I3 input then the T1 Timer will be triggered in SE mode with the time of 50 ms 3 If high state occurs at 14 input then the T1 Timer will be triggered in SL mode with the time of 20 ms 4 Figure 5 1 2 17 5 illustrates sample time series at 11 12 13 14 and Q8 NEED Programmable Relay User s Manual ver 1 5EN 95 Programming languages 5 1 2 18 Counter instructions 5 1 2 18 1 Count up SYMBOL CU SYNTAX CU lt C gt Instruction execution time 6 1us Example Input ANTI AANA Als lo i J L C 100 3S CU C1 on Reset A C1 i Q1 i a 4 Counter 2 Maximum All ape Counter value Counter R C1 i Threshold i i l Counter value l Q1 Output Fig 5 1 2 18 1 Sample signal time series illustrating operation of CU Counter 1 Occurrence of leading edge at the 15 triggering input results in the current C1 Counter value being increased by 1 2 Once the current Co
20. Make sure that no voltage is present in the unit system Where it is not possible to fully cut off the current from the installation area points that pose a contact hazard must be additionally protected exercise utmost care A e Check the condition of cables 3 2 Mechanical fixing 3 2 1 Attaching to the mounting rail DIN 35mm Assembly Dismantling iLi y Fig 3 2 1 Attachment to the mounting rail NEED Programmable Relay User s Manual ver 1 5EN 14 Installation Assembly fig 3 2 1 1 Attach the module to the top part of the mounting bar 2 Pull the bottom catch down 3 With the bottom catch retracted push the module forward and release the retracted catch 4 Ensure that the relay module is mounted securely Dismantling fig 3 2 1 1 Pull the bottom catch down 2 With the bottom catch retracted draw the module aside from the bar 3 Lift the module and remove it from the bottom catches M4 DODDODDODOODO 3 2 2 Bolt fixing NEED programmable relay O O OO OO M4 Fig 3 2 2 Bolt fixing Two bolt or tapping screw fixing Diameters of bolt fixing holes 5 5 mm Note No additional adapters are necessary to perform the fixing use the fixing holes provided Clearances It is recommended to keep a distance of 3 cm between the edges of the input and those of the output connectors of the programmable relay and other installation parts mounting channels other
21. a Pe Need E File Edt view Relay Tools Config Windows Help nicSEla s melz cla mi No file name LAD Fig 6 5 5 LAD program Upon selection of Relay gt Transmission gt Write to the relay from the Menu a LAD program dn file is saved in the programmable relay memory together with settings NEED Programmable Relay User s Manual ver 1 5EN 131 Installation and software description Example Project STL program using Clock and Comparator io PC Need File Edit view Relay Tools Config Windows Help DISE t Bels cl AIRRA am S F XQ E DEVICE 24DC X1 08 4 Define Pump Q1 Define Alarm Q4 Define Sensor 11 FL AD No file name SET O Timer Calendar Ml Counter gt Comparator Remanent E Input Comparator Settings taARApPPPaaaapa apamaa A f gt AN Alarm A Sensor1 S Pump A Pump AN M1 Al2 SM1 Compiling fi Code size 15 NEED 24DC X1 08 4 USB A Fig 6 5 6 STL program using Clock and Comparator Example2 stn file and Example2 set settings to be loaded to the relay 6 5 1 Sample project STL program 1 Start PC Need 2 Create new project e g File gt New select the appropriate relay type in the selection window see figure below and select STL in the Project type field a Create new project x Project properies Relay type E Basic o LE 230a0x1 08 4 E 220D0C x1 08 4 E 24DC x1 08 4
22. and vertical input elements 150 are not exceeded according to connection rules If in order to control the output the algorithm requires a greater number of input elements to be used then the connection ladder must be modified respectively using Markers i e the tasks must be divided into smaller tasks Sample circuits employing combinations of series parallel connections including function interpretation are presented below Circuit incorporating serial connection of 11 element with parallel connected 12 and I3 elements The Q1 output functioning is as follows Q1 1 if l1 is active state 1 and the logical state of one of the 12 and I3 inputs or both is 1 Circuit incorporating serial connection of l1 element with parallel connected 12 and I3 elements and further series connected 14 The Q3 output functions as follows Q3 1 if 11 and l4 are active state 1 and one of the 12 and I3 inputs or both is inactive state 0 A circuit equivalent to that above can be presented in a different form serial connection of 11 14 comes first and is followed by a series connection of 12 and 13 NEED Programmable Relay User s Manual ver 1 5EN 1 12 Q1 2 3 N 3 h aN N Q3 oL o LD2 L 126 Programming languages 5 2 10 Symbolic names For the NEED relays it is possible assign symbolic names to variables This way the program is easier to analyze and clearer
23. iE 12DC X1 08 4 H E Max Project type STL C LAD Col Mo fr C Settings emen NEED Programmable Relay User s Manual ver 1 5EN 132 Installation and software description 3 Write a program e g such as the one below ie PC Need lolx File Edit view Relay Tools Config Windows Help Ole ells SBEIVNS PIQAAl am S X BQ A No file name STL 10 x DEVICE 230AC xX1 08 4 Code size 13 max 662 Memory usage 1 5 NEED 2304C 1 08 4 USB 008 004 Code size 13 max 862 Memory usage 1 5 Ui 4 Connect the computer to the relay and carry out configuration of the RS232 serial port Config gt Options gt Port select the proper free port The operation must be repeated only for the first start of the program or if the communication port is to be changed Configuration 2 xi General settings STL Editor LAD Editor Options Information about LAD conformity Default Lox Cancel Apply 5 Set the relay to STOP mode using switch or Device gt Stop NEED Programmable Relay User s Manual ver 1 5EN 133 Installation and software description ie PC Need 2 5 x File Edit View Relay Tools Config Windows Help Digs ml nee Baaada AS raoa a Options DEVICE 230 Stop Ctrl T i i Ctrl R Stop Ctri T AI L is Reset Ctr AIEFR Pm Run ctri R Ea Settings Fil Program ai 1 ED Clock Ctrl Shift z RUN
24. 11 L2 to 115 L3 to 116 then MDIR assumes the value of 1 otherwise the MDIR value is 0 The MDIR Marker is read only Figures 4 6 1 and 4 6 2 show examples of connections where MDIR takes the successive values of 1 and 0 If the supply cable is not connected to one of the analog inputs 114 115 116 then the MDIR marker takes a random value figure 4 6 3 NEED Programmable Relay User s Manual ver 1 5EN 40 NEED relay resources 114 115 116 Fig 4 6 1 Connection of a three phase network where the MDIR marker takes the logical value of 1 114 115 116 Fig 4 6 2 Connection of a three phase network where the MDIR marker takes the logical value of 0 NEED Programmable Relay User s Manual ver 1 5EN 41 NEED relay resources 114 115 116 Fig 4 6 3 Connection of a three phase network where the MDIR marker takes random values of 0 or 7 NEED Programmable Relay User s Manual ver 1 5EN 42 NEED relay resources 4 7 Timers SYMBOL Tn n being the Timer number n 1 8 NEED x1 08 4 n 1 16 NEED x1 16 8 LOGICAL STATES OF TRIGGER and RESET INPUTS 0 or 1 depending on the function in the program OUTPUT LOGICAL STATES 0 or 1 depending on the function in the program TIME RANGES Values of times measured are presented in table 4 7 A Timer is a time element enabling the use of time control in a pro
25. 12 36kQ NEED 24DC x1 16 8 11 113 7 44kQ 114 116 12 36kQ NEED 12DC x1 08 4 11 l6 3 65kQ 17 18 10 92kQ NEED 12DC x1 16 8 11 113 3 65kQ lee 1G 10 92kQ NEED 24DC x1 16 8 NEED 12DC x1 16 8 114 116 in the current range 490 Maximum delay time for transition from the logical state of 0 to 1 NEED 230AC x1 Contact rebound elimination ON 60ms Contact rebound elimination OFF 20ms NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 Contact rebound elimination ON 21ms Contact rebound elimination OFF 0 20ms program cycle time Maximum delay time for transition from the NEED Programmable Relay User s Manual ver 1 5EN 232 Technical specifications logical state of 1 to 0 NEED 230AC x1 Contact rebound elimination ON Contact rebound elimination OFF NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 Contact rebound elimination ON Contact rebound elimination OFF 60ms 20ms 21ms 0 25ms program cycle time Rated insulation resistance 300V AC Galvanic separation from power supply voltage no mutual no from outputs yes Maximum allowed lead length the L and signal leads run together NEED 230AC x1 08 4 for digital inputs 11 14 10m for digital inputs 15 16 100m for digital inputs 17 18 10m NEED 230AC x1 16 8 for digital inputs 11 111 10m for digital inputs 112 113 100m for digital inputs 114 116 10m NEED 220DC x1
26. 16 8 have a built in current voltage converter Converters with current output can be connected directly to the Al14 Al15 Al16 inputs of the relay after they are configured in the PC Need program as current inputs 1 or downloading the settings into the relay OV Transducer p5 Frequency i temperature pressure level position RALAS i distance etc 24V OV OV 1 12 Fig 3 9 5 Analog inputs 20mA converter for the NEED 24DC x1 16 8 version Note Feeding a voltage higher than the maximum permissible between the analog input terminals and OV can result in damaging the input circuits of the programmable relay Note Voltage should not be supplied to inputs Al14 Al15 Al16 set as current inputs Note Connecting a voltage source to inputs no Al14 Al15 Al16 set as current inputs can damage them The maximum input voltage for l 51mA is 2 5V Note Feeding voltage from a source higher than 51mA to inputs Al14 Al15 Al16 set as current inputs will trip the internal safety device The relay has an input sampling cycle OPP e NEED Programmable Relay User s Manual ver 1 5EN 27 Installation 3 10 Output connection Output terminals are connected to the contacts of the Q1 Qn inner electromagnetic relays The NEED x1 8 4R version includes 4 relay outputs The extended NEED x1 16 8R version includes 8 relay outputs Outputs are potential free and electrically isolated from the
27. 2 partitions one for code storage and the other for storage of settings When programming the memory card you can select which partitions are to be active If a partition is active the data written in it are copied to the NEED relay memory Therefore it is possible to load a program code only or to load new settings only or to load both the program code and the settings If none of the partitions is active the relay will load no data to its internal memory 9 3 Memory programming 9 3 1 Writing a program If a memory card is connected to the programming cable terminal enable that program window the code of which is to be written to the memory active window is the one in the foreground with blue title bar Then go to Device gt External memory gt Write s PC Need Relay Tool Config Windows Help olg el Ss SS Ol PQRA hms TCi Wep dDenaram Ide Writing project to EEPROM Writing program Cancel Writing program Program3 ldn NEED 230AC x1 08 4 Fig 9 3 1 1 Writing a program Upon opening the Writing a program window set the password according to that set in the relay and press Start button The password prompt appears only if the option Don t ask for the password was not set in program configuration Ci Note If the password entered during memory programming is different than the password in the NEED relay the program is not copied to the internal memory of the programmable r
28. 3 12 1 Programmable relay power supply 220 V DC NEED Programmable Relay User s Manual ver 1 5EN 30 Installation 3 13 24V 12V DC power supply connection The rating of the fuse to protect the cables should be greater than 1A as a current surge occurs when switching on the unit due to the charging of the internal capacitor located in the relay power pack OS EE Fuse min 1A ODO OOOO 24V OV OV NH 12 Fig 3 13 1 Programmable relay power supply NEED 24DC x1 Fuse min 1A DDOD OD l1 12 12V OV OV Fig 3 13 2 Programmable relay power supply NEED 12DC x1 Note Feeding a voltage higher than the maximum permissible between the 24V 12V and OV terminals can result in damaging the programmable relay NEED Programmable Relay User s Manual ver 1 5EN 31 NEED relay resources 4 RELAY RESOURCES Programmable relays are devices which incorporate two basic components central processing unit including memory and peripherals inputs outputs Obviously to provide full functionality some programming unit and a cable for communication with the controller are necessary NEED Programmable Relay has all those components 4 1 NEED Programmable Relay system 1 An application for editing compiling and loading the program to the PC memory 2 External relay memory not necessary but facilitates transfer of the program between the PC and the relay 3 P
29. 3 garapal Fig 4 2 1 Controller operating cycle Good knowledge of the NEED Programmable Relay resources is required to properly understand and program that relay NEED Programmable Relay User s Manual ver 1 5EN 33 NEED relay resources 4 3 NEED Programmable Relay resources POTENTIOMETER Resources physically available in the programmable relay INPUTS OUTPUTS 11 116 Q1 Q8 CPU Program a A X memory SCL E TIMERS COUNTERS gt or T1 T16 C1 C8 HC Resources Outputs available in the COMPARATORS program only WEEKLY CLOCKS REAL TIME CLOCK H1 H4 RTC Fig 4 3 1 NEED programmable relay resources Communication between the NEED relay and the external devices is carried out via outputs and inputs These are practically the only resources noticeable to users which may be a basis for creating even very complex applications But the actual power of each relay is determined by its internal resources invisible from the outside accessible only to the program The Fig 4 3 1 illustrates in a symbolic manner the resources of the programmable relay while Table 4 3 shows quantities of individual components comprised by the relay system structure Proper use and utilization of the resources of the NEED programmable relay depend on the user Below please find a description of individual components and writing methods for different programming languages NEED Programmabl
30. 5s The LAD program may also use symbol names similar to STL If the symbols are assigned to the registers and the view is switched to the symbol names then the symbol name will be visible instead of the register name Below is an example for the first line A1_Limin A2_L2min A3 L3min M1_Umin The M1 marker is set when the 1 voltage of each phase is higher than HFA EC gt NEED Programmable Relay User s Manual ver 1 5EN 225 Technical specifications Settings The parameters of the power supply network are controlled through the 114 115 116 analog inputs The minimum Umin and maximum Umax voltages for each phase are set in A1 A6 comparators respectively A1 Al14 gt 200V A2 AI15 gt 200V A3 AI16 gt 200V A4 AIl4 lt 240V A5 AI14 lt 240V A6 Al14 lt 240V E F NEED motor control set D Timers Calendar MM Counters gt Comparators Remanent L Input settings Comparator settings A f Compare ana v 200 v Fig 10 8 1 The comparator settings For all phases the minimum voltage is set as 200 V and the maximum voltage as 240V They are of course freely configurable The A7 and A8 comparators are used for setting the minimum and maximum asymmetry voltage 0 10V A7 ASYM gt 0V A8 ASYM lt 10V Additionally you can set the delay time of the T1 timer i e the minimum time of stability of correct network parameters and the T2 signaling pulse
31. Additionally through the use of the integrated clock calendar some features can be made dependent on the time of the day or the day of the week gt 5H L 1 12 AAAA 4 15 l6 17 18 ZOTTA 115 230V AC INPUT 8xAC ai a2 a4 es E a S a OUTPUT 4xRELAY 10A OO QQ SO QO T x1 oj 2 2 RSE iE Fig 10 7 Electric connection diagram NEED Programmable Relay User s Manual ver 1 5EN 218 Sample applications For simplification purposes let s assume that an additional current transformer component will be used to convert the main circuit current to a proportional voltage The higher the power consumption the higher the voltage on the secondary side Bearing in mind the equipment limitations we know that the power of up to 2300W can be controlled I 10A Uz 230V AC If assumed that the current of 10A corresponds to the voltage of 100V in the secondary winding the current of e g 5A can be set by entering the value of 50 as standard value The built in Potentiometer can be used instead to be set manually to the desired value Q1 output can be controlled according to the current consumed through the use of the A2 analogue Comparator feature 17 gt standard value Once the set level is exceeded I7 gt 50V the output disconnects the load which is signaled by Q2 output Re actuation can be done after 10 seconds from the cut off the time is adjustable STL program 1 ANM5 Relay power on Input funct
32. All fields filled Day 2 field blank Example amp lNo file name SET aixi amp Timers lt Calendar sun Counters gt Comparators Remanent 2 Input settings Calendar settings H f gt r Channel 4 Day1 Sun zx Day 2 HH MM Fig 4 9 2 1 4 Sample Clock configuration Day 2 field blank The Clock will enable its output only on Sunday at 5 00 a m and will disable it only on NEED Programmable Relay User s Manual ver 1 5EN 61 NEED relay resources Sunday at 2 p m 4 9 2 2 Two fields blank 2 fields filled for one channel 1 ON and OFF fields blank Example No file name SET amp Timers Calendar fM Counters gt Comparators Remanent E Inputs ttings r Calendar settings Fig 4 9 2 2 1 Sample Clock configuration ON and OFF fields blank The Clock is not operating invalid setting which may not be sent to the relay 2 Day 1 and Day 2 fields blank Example amp lNo file name SET amp Timers f Calendar mm Counters gt Comparators Remanent E Input settings r Calendar settings Channel C Day 1 gt Day 2 gt Day 1 gt Day 2 x HH MM otf 21 foo z Fig 4 9 2 2 2 Sample Clock configuration Day 1 and Day 2 fields blank The Clock is not operating invalid setting which may no
33. Comments m _ Inputs Logical Operators Default ox Cancel sp Fig 6 7 3 Configuration of STL editor NEED Programmable Relay User s Manual ver 1 5EN 144 Installation and software description 6 8 LAD program editor 6 8 1 New program In order to create a program in LAD language select File gt New gt LAD from the Menu after starting PC Need program Create new project Project properies Relay type gt _ gt Project type STL 2304C 1 08 4 E 2200Cx1 08 4 LAD EJ 24DCx1 08 4 ColNo 7 gt EJ 12DCx1 08 4 i H E Max Settings cae _ Fig 6 8 1 1 New LAD project Select relay type LAO project type and define number of LAD ladder columns Selection is confirmed by pressing Enter or clicking the left mouse button LAD editor window will be opened in the workspace ws PC Need File Edit View Relay Tools Config Windows Help A A Gs BOIS S BIQQQ hm S F A B No file name LAD SEE A Program Window name controls oe I Change width Change size Fig 6 8 1 2 LAD Editor new program Window size can be adjusted according to the requirements and preferences using mouse By using the standard window control buttons Gf xj the LAD editor window can be maximized minimized or closed x NEED Programmable Relay User s Manual ver 1 5EN 145 Installation and software description 6 8 2 Saving a program Since a newly opened progra
34. DEVICE 230ACc 01 08 4 1 ad o x10 ms DEN F Ti Qi STL editor window TZ tai C Need Progran Compiling file Code size 17 max 662 Memory usage 2 0 Asl ei 3 Th LAD editor Workspace H zl T a window se 4 Status bar NEED 2304C 1 08 4 cOoM1 011 005 Code size 17 max 862 Memory usage 2 0 Fig 6 6 1 PC Need user interface User interface is composed of the following items 1 Menu bar File Edit View Device Tools Configure Window Help 2 Tool bar DSO SL Belca we SFU VB 0 gt 3 Workspace including windows i a LAD STL Editor Settings Configuration Element settings 4 Status bar NEED 2304C x1 08 4 USB 001 001 Code size 9 max 862 Memory usage 1 0 NEED Programmable Relay User s Manual ver 1 5EN 136 Installation and software description 6 6 2 Menu bar File management of file operations Edit View gt New opening of the project selection window STL LAD Settings gt gt STL creation of a new file in STL language editor gt gt LAD creation of a new project in LAD language editor gt gt Settings creation of a new file of SET settings gt Open opening of an existing file for edition or change of settings files opened stn files written in STL text language Idn files written in LAD ladder language set setting files SET file name stn extension f
35. For digital measurements R2 er R4 R5 For analogue measurements Te Fig 8 2 6 Schematic diagram of the NEED 24DC x1 16 8 digital analog inputs 8 3 Outputs Schematic diagram of the NEED relay output circuits is presented in Fig 8 3 1 TX Q1 Qn Fig 8 3 1 Schematic diagram of the NEED relay output circuits NEED relay outputs are potential free relay contacts NEED relay outputs are electrically separated from the inputs and the mains power supply NEED Programmable Relay User s Manual ver 1 5EN 173 Information on hardware 8 4 Input delay A frequent problem in control issues is contact bounce e g relay contact bounce The NEED programmable relay enables appropriate setting of input delays so that those problems can be eliminated Input signal processing in the NEED relay is illustrated in Fig 8 4 1 Input signal Interpretation w Delay Cycle__ of logical time state 0 or 1 Fig 8 4 1 Processing of input signals in the NEED relay Input delays in the NEED relay can be adjusted using program configuration see chapter 6 INSTALLATION AND SOFTWARE DESCRIPTION A sample configuration window of PC Need program including a delay for the 12 input is presented in Fig 8 4 2 amp lNo file name SET E 215 xj Timer Calendar MM Counter gt Comparator Remanent E Input settings Input delay settings ey rh E Iv 12 Bi rB TW J 4 l ig Fig 8 4 2 Sample inp
36. M5 Marker means a program start M2 Marker is set if the time necessary for the first enabling of the load has elapsed and the load current is not exceeded A2 1 Locking time for the output if the allowed current level has been exceeded Controlling the output which enables the load The output is on after 2 seconds T1 or depending on the M2 Marker current control The output is locked by the T2 Timer Output is off the control program starts from the beginning Signal output on if the load is disconnected Additional automatic step system setting the on time at 30 seconds Additional automatic step system lamp control by Q4 Circuits 1 6 refer to the diagram presented in Fig 10 7 Circuits 7 and 8 show further application possibilities for spare inputs outputs in arrangement of a simple system to time control a staircase lighting NEED Programmable Relay User s Manual ver 1 5EN 220 Sample applications 10 8 Three phase motor control and protection Task description The purpose of the presented system is to control a motor and monitor the parameters of the power supply network for a low power 3 phase motor By using the NEED 230AC x1 16 8 relay we can handle starting cutting off the 3 phase motor control the power supply parameters and if required switch over to backup power supply without any additional components Start Back Sup Stop P1 P2 P3
37. Manual ver 1 5EN 222 Sample applications 3 A A7_Asym A A8_Asym M4_Asym A M3_Uzas A M4_Asym A MDIR SD T1_Opozn 1 00s A T1_Opozn M5 Zas OK A l2_ START A M5 Zas OK S M6_ZALACZ A ON I3_ STOP O AN l1_Zal_rez AN M5_Zas OK M6_ZALACZ M5 Zas OK Q1_R ee esa M6_ZALACZ M5 Zas OK 13_ STOP Q3_L1 Q4 L2 QS5 L3 Ii ll gt DY yD A O l1_Zal_rez ON M5_Zas OK AN M5_Zas OK A M6_ZALACZ Q6_Lirez Q7_L2rez Q8_ L3rez SL T2_sygn 0 50s A T2_sygn Q2_Sygn The LAD program The M4 marker is set if the asymmetry voltage does not exceed Uasym The T1 timer is started if phase voltages asymmetry and sequence are correct The M5 marker is set if the controlled parameters are stable during a predefined delay time The M6 marker is set after the START button if the power supply parameters are correct It is cleared by the STOP button or if the power supply parameters are incorrect and backup power supply is not enabled Q1 output on if power supply parameters are correct Motor start on Q3 Q4 Q5 outputs switching on phases L1 L2 L3 respectively to the motor Failover to backup power supply Q6 Q7 Q8 outputs enabling backup power supply phases L1rez L2rez L8rez respectively to the motor The T2 timer in SL mode generates pulses for the Q2 output Q2 output backup power on signal toggles on off 0 5s 0 5s The M1 m
38. NEED Programmable Relay User s Manual ver 1 5EN 184 Sample applications Program Let s arrange our equipment configuration Address Inputs Address Outputs l1 l_high1 Q1 Q_high1 12 l_high2 Q2 Q _high2 I3 l_lim1 Q3 Q_synch 14 l_lim2 Now let s try to translate the algorithm to the programming language STL High detail detection Alt f 11 1 then set Q1 If 11 0 do not do anything AN T1 T1 Timer must be at low state S Q1 Set the container to high R Q2 Q2 0 Q1 1 Low part detection AN 1 High part detection sensor is not operating 11 0 and Al2 low part detection sensor I2 1 AN T1 T1 Timer must be at low state S Q2 Set the container to low R Q1 1Q2 1 Q1 0 High part I3 limit sensor detection at the cylinder A I3 f a leading edge occurs at 13 A Q1 and Q1 is set M1 then set M1 Marker Low part 4 sensor detection at the cylinder Al4 f a leading edge occurs at 14 A Q2 and Q2 is set M2 then set M2 Marker Detection of gap between the parts AN l1 No high part AN I2 No low part R M1 Resetting auxiliary M1 M2 Markers R M2 Releasing T1 Timer for synchronization O M1 f M1 Marker or O M2 M2 Marker is at state 1 Lis then release T1 Timer1 in the Single Pulse mode SE T1 with the duration time of 1s AT1 Set Q3 according to T1 Q3 T1 Timer was used to
39. Programmable Relay User s Manual ver 1 5EN 88 Programming languages 5 1 2 13 S setting instruction SYMBOL S S instruction is a logical instruction that sets the operand to high state 1 SYNTAX S lt Q M gt Instruction execution time 6us Example STL Relay diagram A 5 Q1 15 S Q1 Alt Q1 oOo b RaQ i 1 15 0 4 Se 0 4 rn A i Q Fig 5 1 2 13 Sample time series at I5 and l1 inputs and Q1 output Q1 output will be set state 1 when the state of I5 input is high 1 It will remain in that state until low state 0 is set using R instruction 11 input 5 1 2 14 R resetting instruction SYMBOL R R instruction is a logical instruction that sets the operand to low state 0 SYNTAX R lt Q M T C HC1 gt Instruction execution time 6 5us Example See S instruction 5 1 2 15 assigning instruction SYMBOL The instruction of is a logical instruction in which the operand takes on a value 0 or 1 state which depends on the result of previous logical operations SYNTAX lt Q M gt Instruction execution time 6 7us NEED Programmable Relay User s Manual ver 1 5EN 89 Programming languages Example STL Relay diagram Q1 I5 5 11 Q1 0D D ee E 0D Fig 5 1 2 15 Sample time series at I5 and l1 inputs and Q1 output Q1 output state depends on pre
40. Remanent L Input settings Calendar settings H 4 x HH MM oft 15 oo HH MM on fe foo ott 12 foo HH MM onf i I ott gt Channel 4 Channel B Channel C Channel D Day1 Mon Day1 Mon v Day 1 gt Day 1 Day 2 Tue v Day 2 Tue v Day 2 gt Day 2 gt HH MM of I oft Fig 4 9 15 Clock 4 sample configuration window The clock will turn on its output on Monday and Tuesday at 8 a m and will turn it off at 12 noon and not 3 p m first on first off rule is used Clock 4 operation diagram is presented in Fig 4 9 16 At this point Clock turns 7 its output on and off Channel B setting Monday 4 8 00 12 00 15 00 i Tuesday i ii Aa l H4 w 0 8 00 00 12 00 15 00 At this point Clock is At this point Clock is already on already off Fig 4 9 16 Operation of Clock 4 in the configuration shown in Fig 4 9 15 NEED Programmable Relay User s Manual ver 1 5EN 58 NEED relay resources Example 8 Figure 4 9 17 shows the configuration of Clock 1 If the power is turned on between 10 a m and 12 noon the relay output contacts will be open but the time will be still monitored On return of the supply voltage at 12 noon the Clock H1 output state will be high according to H1 configuration This situation is illustrated in Fig 4 9 18 amp lNo file name SET 215
41. a Input element Input type ined symbolic name Change argument for Load operation Input mode Function JF Object configuration Change contact type NO Fig 6 8 5 1 Object configuration window Fig 6 8 5 1 presents Object configuration for input physical input Windows of other input types A H Q M T C look similar The number selection for a specific input type depends on the relay resources Contact type NO or NC can be selected for each input The Function field is disabled for the inputs as the field is used only for output objects Object configuration for Q output and M Marker Number of output 1 n or 1 16 if M was selected and the function available depending on the output type can be selected For Q output and M Marker they are the following operands S R FP Inputfoutput configuration Q f1 v Label valvet Function Assignment Symbolic Fig 6 8 5 2 Object configuration output window The contact selection field is disabled for outputs in the Object configuration window while the Function field is enabled NEED Programmable Relay User s Manual ver 1 5EN 151 Installation and software description Object configuration for Timer output The following parameters number 1 n and operands SD SF SE SL R can be selected for the Timer T output F Object configuration input output configuration Label Tim2
42. aE e aed Sr E reset Se soe Reade e a eet 139 6 6 4 Keyboard shortcuts eit cseiccsilesecel id skeges hes iedivekige davnihladshtasieemel ian deen teen 140 6 7 STL program SENOR caso ot a aes ah eA oe As oe ek ed tS ate os re ae els 142 Bef clio VLE COLOR EEEE pact t ean canseia ston EEEE E E EEE 142 6 72 BI COMPIAUOM seis canst eee goaah eta code ene daca hl cect ana ds ene eet ite 143 6 7 3 Configuration of STL editor sic sett Senes detected cen se dpadenve ab lene ceived baiaendnoceavensaees 144 6 8 LAD program edito keere iced fick waal a Eae EA EEE bucked abet RE 145 6 8 1 New pr gram osre sh ccvehoraseey docket cptetauenehs REEERE E ER E RE ORE EE 145 6 8 2 Saving a PIOGhAMp 42 eee 2 le 2 ee eM ate oddest ee eee ce 146 6 8 3 Opening an existing program siceietee ceureteielereereentnaeieten erated ven eerteadiand 147 6 8 4 Program CON gas vaca t tented esc ete eaaa a e ata oeatewetnerencesnetiead 147 6 25 55 Edition of AMODiCCL attic nenne tthcu iach netbeans Ma dna AaS 151 6 8 6 Configuration of LAD Odile isc tnuttiienuatheiie hie ieee ee 154 SS gsc oN 9 TE EEE DEN eee etre Seo ERE eS EOE EERE AEE OTE REET E ree nae tT 155 6 9 1 NPCS Of Settings ersero ttn Chee entree mentees Ot nied a mee eaten te 155 6 9 2 Mimer Seting Sne tear eih ra e aeea e e a aeea ne carina distance E EERE 157 6 9 3 Clock Settings neinna nae a a rae aara TAa E AE AE S 158 6 9 4 Counter Settings rr ene ene e e aer a e A a E La E aE eee 158 6 9 5
43. and operating modes for the Timers remanent values io PC Need File Edit View Relay Tools Config Windows Help JOlS MSS BAO S BIARAl em S F AO A No file name STL reyes STL editor l DEVICE 24DC X Fe r LAD editor Define Pump Q1 ee O x Define Alarm Q Define Sensor zg AN Alarm A Sensort S Pump LAD No file name SET D Timer o Calendar mi Counter gt Comparator Remanent x A Pump Timer Settings Window AN M1 tf x settings Compiling file Code size 15 ma Time Chm C ms sims 10 4 s os x10 ms NEED 24DC X1 08 4 USB l h Fig 6 5 1 PC Need program windows Any project for the NEED relay should contain at least one file with stn or dn extension user s program If the programmer uses such programmable relay resources as Clocks or Comparators then the relay settings editable in the setting window Fig 6 5 1 must be loaded to the NEED relay memory in addition to the source code STL or LAD program In case of LAD editor an option Save settings with LAD data active by default see Fig 6 5 2 can be set within the option of Configuration gt LAD project Once the option is checked a program file dn and a setting window are loaded to the relay memory NEED Programmable Relay User s Manual ver 1 5EN 129 Installation and software description LAD project configuration x
44. before SL Timer instruction Time is measured after the execution of Timer activation instruction high state 1 at the 15 triggering input For a period of t 20ms the Q1 output state will be set to low 0 and then for another period of 20ms it will be set to high 1 The situation will be repeated as long as the high state is present at the I5 input or until a high state occurs at the 11 resetting input 2 If a low state 0 occurs at the 15 triggering input or a high state 1 is present at the 11 resetting input the counter of the time being measured and the Timer output are automatically reset 3 If high states 1 are simultaneously sent to both Reset and Trigger inputs and if after a certain time period the level of Reset signal is changed to low 0 then the Timer output is activated for a period of t 20ms and afterwards deactivated for another period of t 20ms and then again activated and so on The Timer generates a square wave at its output which is shifted by 180 in relation to the waveform referred to in item 1 NEED Programmable Relay User s Manual ver 1 5EN 94 Programming languages 5 1 2 17 5 Remarks concerning use of Timers 1 The same Timer can be used many times in different modes 1 1 All Tis SD Mode a L 20ms N eo p SD T1 gt 1 A 12 B z o L 50ms H IOA ss he SLE 13 i Pio BD SE Mode A 13 a L 50ms EN SE T1 n SLMode A l4
45. before the program in the programmable relay is started is as follows The S1 INTERLOCK cylinder controlled by Q1 solenoid valve is permanently extended Once the programmable relay is turned on START the states of circuit inputs and outputs are checked Further the program instructions are executed line by line description see remarks in the table above NEED Programmable Relay User s Manual ver 1 5EN 210 Sample applications 10 6 Lighting and ventilation controller Task description The aim of the presented system is to control the lighting of e g an office manufacturing plant shop etc It is often the case that when leaving the house we forget to switch off the unnecessary lighting or to switch on the so called night lighting system necessary for security purposes to protect the facility Additionally the signaling LEDs located in the programmable relay provide information on the circuits being on and the operation of the buttons The system allows to centrally turn the power on off manually or automatically at preset time or e g after turning on off of an external alarm system L N v NU ov aU av ov i i 22 13 4 l5 l6 I7 18 AAAA AAAA AA l1 12 13 l4 15 16 I7 18 MODE an RUN STOP LI 1 1 111 115 230V AC INPUT 8xAC Oo Q1 Q2 Q3 Q4 0 22 22 22 Se cA t E GII DE Motor li OLI switch o motor N
46. c eceeeeeee eee eeeeeneeeeeeeeeeeeeeeeaeeeeeeeeeeeneeea 169 8 1 2 Relay 220 V DC power supply 00 cee eeee cece cent ee eeeeeeeeeeeee eee eeeenenaaeaeeeeeeeenenaa 169 8 1 3 Relay 24 12 V DC power supply secsaccaciasancccdcodetactungedsedimackedienaesdateunencbenqelea tere 169 8 2 NPU erena a a a r Ode A A cbr at eee een 170 8 21 230 VAC INPUNS ipee e a ena EE EE E AE REEE 170 8 2 2220 WV DGMMBUIS nn ren kt eR ste a lA i alte tac an 172 8 2 3 2412 VDC INPUTS pierres aa E aae teer cnc eeeanneayapetacreendieectiond 173 8 3 COONS e a a ant ea a el ede ai e Ese a aldindy ace 173 8 4 WAY es ace beh se Sa na gh ea nar eee ee cate atc Sw nn nen ate a tet See es veteran 174 8 4 1 Input delays for NEED 230AC relay ccc eeeeeeeetteeeeeeeeeeeeeeeneeeeeeeeeeeteiea 174 8 4 2 Input delays for NEED 24DC NEED 12DC relayS eeeeeeeeeeeeeeeeeeeeeeee 176 SB OUND Gla ye nar oar eee feat Nee ee E al Si Pie E ees 178 9 EXTERNAL ME OY edie esc eos E E E E ra eee aera 179 91 Memory CAN cease Sire seein neice E AEE EEO RE E ab Gee EEEE E EE 179 9 2 Storage organizati M iga aa a aa eai oii a ar PE ane 180 9 3 Memory PrOQramimMing ccieieteiessdasies Shekels Galiaeete Mada gedehagueceMalaus sale aude Md ctacagahadeneddalelaseness 180 9 3 1 Writing a program 0 0 eet eee een nee eter eee aaee esse eee eneeecaeeeeeeeeeeeteeea 180 9 3 2 Writing Settings ecr pacs esen od entree mente niin Ot ered nae E 181 9 3 3 EEPROM memory St
47. eee 124 5 2 9 1 Mapping the input to the output cee eeeeeeee cece eeeeeteeeeeeeeeeeteeeeneeeeeeeees 124 5 2 9 2 Mapping the negated input to the output ececeeeeeeeeeeeeeeeeeeeeeeeees 124 5 2 9 3 Series connection cones accdentrsetenceeeeduareetastarneceepacsteaswect teed eedsvenreaa vate rmerteaat 124 5 2 9 4 Parallel connections siz crets eats sere de tao tie eds iieb cai higode te aseueldedeaieds 125 5 2 9 5 Series parallel connection e ceeeeeeececccee eee eeneesneneeeesesteeseeeeeeeneeeneees 126 5 2 10 Symbolic NAMES wei siei a a ae ea ra eiee E E EEE EE EEE 127 5 211 LAD progra Mme a E EER EEE E EEE 127 6 INSTALLATION AND SOFTWARE DESCRIPTION sssssssssssssssersseessssrsrrrrnnrssserrrrrrnenessee 128 6 1 Hardware requirements deiner E A A EAEE A EE 128 6 2 SoftWare INS tall UO isseire r eiei aea eri E R A E AET AEE EEE EAE 128 6 39 Uninstalling i anerian a n aa aa a o ea aa a a a 128 6 4 Connecting the PC to the programmable relay s snnnsseesssesenerrneessseenrrrnnrrssrrrrnrrnnnesee 128 6 5 Quick start creating the APPliCation c ccc eeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeaeeeeeeees 129 6 6 Working with PC Need lt 6 i c ak Be conten da eee Gian latte Oe ete cme eaten aad 136 6 6 1 Main program window CeSCription cc cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeteeeeeeeeeeeeneee 136 6 6 2 Menu bah asneira erat a a E aea rE N AAE NE da aE tage 137 6 0 3 MOOI A dramei a
48. freely configured in the program settings You can set the minimum and maximum voltage separately for each phase as well as the minimum and maximum asymmetry level Modifying the program we can give up the monitoring of selected parameters it is not essential for the controlled system The STL program The program is comprised of three parts 1 Definition of relay type 2 Definition of symbolic names 3 Control program Source code Relay type 1 DEVICE 230AC X1 16 8 2 Symbolic variables DEFINE A1_L1min A1 DEFINE A2_L2min A2 DEFINE A3_L3min A3 DEFINE A4_L1max A4 DEFINE A5_L2max A5 DEFINE A6_L3max A6 DEFINE A7_Asym A7 DEFINE A8_Asym A8 DEFINE l1_Zal_rez l1 DEFINE 12_START I2 DEFINE 13_STOP I3 DEFINE M1_Umin M1 DEFINE M2_Umax M2 DEFINE M3_Uzas M3 DEFINE M4_Asym M4 DEFINE M5_Zas_OK M5 DEFINE M6_ZALACZ M6 DEFINE Q1_R Q1 DEFINE Q2_Sygn Q2 DEFINE Q3_L1 Q3 DEFINE Q4_L2 Q4 DEFINE Q5_L3 Q5 DEFINE Q6_L1rez Q6 DEFINE Q7_L2rez Q7 DEFINE Q8_L3rez Q8 DEFINE T1_Opozn T1 DEFINE T2_sygn T2 Program 3 A A1_Limin The M1 marker is set when the voltage of A A2_L2min each phase is higher than Umin A A3_L3min M1_Umin A A4_Limax Pie eae The M2 marker is set when the voltage of A A6_L3max h oh is than U M2 Umax each phase is lower than Umax A M1_Umin i A M2_Umax The M3 marker is set if the phase voltages M3_Uzas are within set limits NEED Programmable Relay User s
49. gedeestececieevsescueddteeceedvseeueeedieewdeereteteee 83 5 12 7 OR NOF iNStrUCUO M aaa E E eas aie 84 5 1 2 8 OR NOT parenthesis instruction sssssseeeeeessesenrrrnresserrenrrrnresserrrrrrrn 85 By lie2 9 XOR instr ctio Mee e ea e EE AA Ee ae E aE 86 5 1 2 10 XOR parenthesis instruction sssssssseeeeeeesreesseeernrtssrrrerrrnnresserrrrrnn 86 5 12 11 XORNOT IiStrUChON sissien tiiri ain ens 87 5 1 2 12 XOR NOT parenthesis instruction sssssseeeesesennernnrrrnrresrrrnresserrrrrere 88 5 1 2 13 S setting instruction ccccceee cece eee ceceeeeeeeeeesaaeeeeeeeeeeeeesseaaeaeeeeeeeeeee 89 5 1 2 14 R resetting INSWUCHON lt 2 2 ctuattAndine ten Wat uceateonwGa tacit 89 5 1 2 15 assigning WASH UC HON ssi adei da eds exces ta sace da ueauntds enced careeisiacr Seton ids waus 89 5 1 2 16 FP pulse relay instruction A csrrciicctisesedielaceenqecteitecialdc asta atees Oh ngeese nants 90 Bi F272 Fimer WAS IUGTIONS sc ch28s ine cvctuvrende beads steele sindo poiactby coi leedeapcdbvcednides sis e eds 91 5 1 2 18 Counter instructions 4 2 siei sesh vessdes teeteansten ideeagabacesscenddexaveladevevestdenngeleevaeae 96 5 12 19 Clock instructions s 2 5n1iuwk sun wadskdadidbnksankaasmaanuada 101 5 1 2 20 Analogue inputs pos ccenvtianeenteeerockaetcinesy io staeaeeesimentunwectedegecavee tea vedne rates 102 5 1 2 21 Load statement LOAD soso at orcad orn tteet aah eaten chee de tenon a tt aa 103 5 1 2 21 1 L Statement
50. generate the pulse in the Single Pulse mode It means that the occurrence of a leading edge at I3 or 14 input will cause a single synchronization pulse to be generated at Q3 NEED Programmable Relay User s Manual ver 1 5EN 185 Sample applications The LAD language version of the program is presented below LAD 1 T1 Q1 S T Setting the Checking the proper position highpart sensor Q2 7 for high part R w container Q1 12 l1 T1 TSE D Setting the _ Proper position Q2 we for low part S container Checking the high part sensor l1 and low part sensor l2 I3 Q1 M1 lt Detection of appropriate limit _ sensors located 14 Q2 M2 _ on the cylinder Detection of l1 12 M1 _ gaps between R _ the parts ce M2 R M1 T T1 Timer initiation SE 007 in the single pulse 1s 000ms mode Release of T1 Timer by leading edges of M1 and M2 Markers cylinder movement and setting the container for the proper T1 detail type Q3 follows the Q3 changes of T1 i e n A State of Q3 state of T1 NEED Programmable Relay User s Manual ver 1 5EN 186 Sample applications Out lt gt _hight Out lt gt _high2 N Out lt gt lim1 L Out lt gt lim2 i 12 13 4 I 6 I7 18 COOOOOOOOOO ee ey H 2 B 4 5 6 I7 18 MODE p nfl_RUNSTOP LiPo te oe Ci 115 230V AC INPUT 8xAC NEED Qi Q2 Q3 Q4 II i
51. if logical states of all inputs 11 13 are 1 Series connection of 3 elements i P 1 12 I3 Q2 The Q2 output will be active Q2 1 if the l1 input state is 1 and the states of 12 and IHI gt I3 inputs are 0 NEED Programmable Relay User s Manual ver 1 5EN 124 Programming languages 5 2 9 4 Parallel connections l1 Q3 The circuit presented beside performs the function of a logical sum The Q3 output will be active Q3 1 if one of the inputs 12 11 and 12 or both of them are in the logical state 1 Other types of parallel connections are presented below The Q3 output will be active Q3 1 if one of the inputs 11 or 12 or both of them are in the logical state 0 The circuit presented beside performs the 11 Q3 function of a logical sum of 3 elements The Q3 output will be active Q3 1 if at gt least one of the inputs 11 12 or I3 is in the logical state 1 3 12 13 Logical sum of 3 elements 11 Q The Q3 output will be active Q3 1 if the 11 input is active state 1 or one of the inputs 12 or 13 or both of them are in the logical state 0 NEED Programmable Relay User s Manual ver 1 5EN 125 N o Programming languages 5 2 9 5 Series parallel connection In order to present the control circuit the basic connections described above can be combined as long as the permissible numbers of horizontal input elements 3
52. it e g Program 1 dn see 6 8 2 Adjust the window size to obtain a LAD editor window w PC Need C Need Program_1 ldn E Fie Edit view Relay Tools Config Windows Help ah x ni u SB elSS PB QQQ aae SIFU DD Insertion Scroll bar WORKSPACE NEED 24DC 1 16 8 Fig 6 8 4 1 LAD Editor window The work area is a grid based on squares the location of which is defined by columns marked A C E and rows numbered 001 150 The A C E columns are used for inserting input components of the program physical inputs condition of outputs Markers Timers Counters Clocks Comparators or connections The B D F columns are used for inserting connections between elements The last column is used for inserting output items physical outputs Markers Timers Counters Drawing a connection diagram Use the mouse to move the cursor over square grid cells inside the LAD editor window the cell currently selected is marked with a grey border Additionally cell coordinates row column are indicated in the left hand bottom corner of the status bar A cell is selected by placing the cursor over it and clicking the left mouse button Once the cell is selected marked use the left mouse button to select object or connection depending on the current column from the drop down menu Symbols used are in accordance with LAD language description item 5 2 NEED Programmable Relay User s Manual ver 1 5EN 147 Inst
53. ix RELA VIA j CO Oo 2 a a Os sO is Os an J 9 Fig 2 2 1 Description of NEED x1 08 4 programmable relay front panel 669 NEED Programmable Relay User s Manual ver 1 5EN 7 General 1 2 meses sepceeede apne 00000 ES Hii B i 5 6 ay 13 tt 116 KS MODE F NEED 230AC 11 16 8R a a ee OUTPUT 6x RELAYIAC 250V 10A Act Oe 2 9 99 59 09 O Ae el m e sald r e A e ms aah A el Te A wE 9 Fig 2 2 2 Description of NEED x1 16 8 programmable relay front panel Designation Description Screw terminal for power supply Screw terminals for digital inputs Screw terminals for digital and analogue inputs Mounting holes Operating mode switch RUN STOP Potentiometer for setting analogue values Relay status LED indicator Terminal for programming and additional program memory module Screw terminals for outputs Q1 Q4 LED indicators of output states LED indicators of input states 00 NIOJ Go PO k t oe NEED Programmable Relay User s Manual ver 1 5EN 8 General 2 3 System structure and order numbers NEED Programmable Relay ETEF EU amp FF lt a a n apnanene at ee i E B A N i grep pJ 01 168 A en 0 Pa e a Cable for programming and diagnostic HEMON Gale Software Type designation i E T Additional accessories interoper
54. of 21ms the signal present at the NEED input can be noticed and properly interpreted by the relay If during the delay time measurement in NEED 24DC NEED 12DC relays the input signal is changed the time count is restarted NEED Programmable Relay User s Manual ver 1 5EN 177 Information on hardware st The switch is OFF no signal at 11 input _ The switch is ON signal is present at i J The switch is OFF 11 input no signal at 11 input Signal waveform at the 11 input Logical state of 11 11 input in the relay Max delay max program cycle time Fig 8 4 6 Sample interpretation of the relay 11 input logical state delay time not preset NEED 24DC NEED 12DC a Si The switch is OFF Jne Switen is ONS i _ The switch is OFF no signal at 11 input signal is present at no signal at 11 input I1 input Signal waveform at the I1 input Logical state of 11 input l1 in the relay lt max 21ms Max delay 21ms program cycle time Fig 8 4 7 Sample interpretation of the relay l1 input logical state preset delay time NEED 24DC NEED 12DC 8 5 Output delay Outputs of the NEED relay are not delayed they are set as quickly as possible However one must take into account the delays resulting from the output control elements used e g for the version NEED 230AC 01 08 4R the operating time is Output relay op
55. of STL instructions 5 1 2 1 AND instruction SYMBOL A A instruction is a logical instruction of AND type SYNTAX A lt 1 Q M MDIR A H C HC1 T gt Instruction execution time 6 us Example STL Relay diagram Q1 a oi lbs 9z o re eo 0D Fig 5 1 2 1 Sample time series at I5 and I1 inputs and Q1 output The example above employs a series connection Q1 output will be set state 1 when states of both inputs are high according to the principle of AND function 5 1 2 2 AND parenthesis instruction SYMBOL A AC is a logical instruction of AND type the operand of which is the result of logical operations given in the parentheses SYNTAX A Conditional instructions Instruction execution time 6us Figure 5 1 2 2 1 illustrates the principle of execution of the A instruction All other parenthesis instructions are based on the same principle NEED Programmable Relay User s Manual ver 1 5EN 78 Programming languages Conditional Conditional instructions instructions A Conditional A lt a result of f O O teennnennscnnees operation in instructions parentheses gt Conditional Conditional instructions instructions Executive Executive instructions instructions Fig 5 1 2 2 1 Principle of A parenthesis instruction Parenthetical operations are performed The logical operations produce a result 0 or 1 which is used i
56. settings H fa gt r Channel 4 gt __ Channel B Channel C Day1 Mon f Day1 fMon f Day jMon x Day2 Sat bd Day2 Sat HH MM HH MM Day 2 Sat ne HH MM on 15 20 ofthis x 2 gt HH MM There is one inconvenience that must be pointed out The Clocks can be adjusted with 1 minute accuracy So how to handle bells of durations of e g 7 seconds only one minute ringing time is too long The Timer in Single Pulse mode can be used to allow the adjustment of the ringing times Methods to enable and disable the bell are presented in Fig 10 3 2 NEED Programmable Relay User s Manual ver 1 5EN 198 Sample applications H1 H2 H3 H4 gt T1 gt Q1 Time value up to 25 5s settable using the potentiometer Fig 10 3 1 Bell control method Of course the Potentiometer allow only a rough setting of time values but it gives fairly satisfying results in determination of bell on times This means that outputs of H1 H2 H3 and H4 clocks are on for a period of 1 minute the shortest duration which can be set for the Clocks The Clocks trigger Timer 1 time value to be measured adjustable using the Potentiometer which in turn sets the Q1 output Fig 10 3 2 illustrates the method of shaping the bell on times H1or H2 or H3 or H4 Time setting using the potentiometer Fig 10 3 2 Time shaping method N
57. the lt value gt argument of the L statement can take the time values presented in the 5 1 2 21 1 4 Table NEED Programmable Relay User s Manual ver 1 5EN 105 Programming languages Table 5 1 2 21 1 4 The L statement arguments for Timers obtained by reading the analog inputs in the current mode The current range Range multiplier General multiplier Time range measured on the analog input mA x 10ms 10ms 2s550ms x 100ms 100ms 25s500ms 0 2 51 0 x1s x5 1s 4min15s in 0 2 steps x 10s 10s 42min30s x Imin 1min 255min0s x 10ms 10ms 2s550ms x 100ms 100ms 25s500s 0 1 25 50 x1s x 10 s 4min15s in 0 1 steps x 10s 10s 42min30s x Imin 1min 255min0s The time measured for the NEED 24DC x1 16 8 NEED 12DC x1 16 8 relays is calculated as follows The current values on the analog input mA x range multiplier x general multiplier measured time L Al16 x1min time to be measured present current value in mA range 0 2 51 x 1min x 5 e g Al16 current value 10mA the time to be measured 10mA x 1min x 5 10minx5 50min L Al14 xis time to be measured present current value in mA range 0 1 25 5 x 10 e g Al16 current value 5mA time to be measured 5mA x 1s x 10 5s x 10 50s Increased resolution of analog inputs operating range 0 10mA 25 50mA can be Ci used only for the
58. the Lamp Circuit 1 on another pressing turns it off P5 the same as P3 and P4 but for Lamp Circuit 2 P6 contact providing the external alarm system arming status P7 switching the fan on off In manual mode the lighting is switched on off by the alarm system contact or according to the Clock settings or using P3 P4 P5 buttons In manual mode only P3 P4 P5 buttons are operational The exhaust fan operates in the preset times The figure below illustrates a sample configuration of the Clock set to operate daily from Monday to Friday between 7 a m and 3 15 p m Sal F NEED Example6 set Timers lt Calendar sun Counters gt Comparators Remanent L Input settings Calendar settings H fi v Channel 4 Channel B Channel C Channel D Day1 Mon Day 1 Day 1 Day 1 Day 2 Fri X Day 2 v Day 2 v Day 2 X HH MM HH MM HH MM HH MM onf foz onf f A onf I ll mf x Off 15 15 gt Off Off oft gt Fig 10 6 2 Clock configuration NEED Programmable Relay User s Manual ver 1 5EN 212 Sample applications Program in LAD oO I5 M2 C1 H a gt 200ms H1 I6 200ms H2 T2 c sE 200ms j gt 200ms T1 gt T3 5 gt NEED Programmable Relay User s Manual ver 1 5EN ie Hc Response to buttons connected to 13 input Change in button state causes a change in the state of the M1 Marker Response to butto
59. to actuate specific devices bells alarms heaters etc at pre selected times By using the NEED programmable relay you can create your own simple time control system which is better adapted to the local requirements and needs Task description Create a bell ringing system based on the below class schedule Break bell Class bell Equipment selection Class Duration On start Off start On start Off start Class 1 8 00 a m 8 45 a m 8 45a m 8 46 a m 8 49 a m 8 50 a m Class 2 8 50 a m 9 35 a m 9 35a m 9 36 a m 9 39 a m 9 40 a m Class 3 9 40 am 10 25 a m 10 25 a m 10 26 a m 10 34 a m 10 35 a m Class 4 10 35a m 11 20 a m 11 20 a m 11 21 a m 11 49 a m 11 50 a m Class5 11 50 a m 12 35 p m 12 35 p m 12 36 p m 12 44 p m 12 45 p m Class 6 12 45 p m 1 30 p m 1330 p m 1 31 p m 1 39 p m 1 40 p m 1 40 p m 2 25 p m 2 25 p m 2 26 p m 2 34 p m 2 35 p m 2 35 p m 3 20 p m 3 20 p m 3 21 p m 3 29 p m 3 30 p m 1 Select an appropriate panel with buttons to allow manual bell control and turning the bells off at preset periods e g during winter summer holidays Christmas holidays on Saturdays etc Let s assign the name as follows e Manual mode switch lmanual only manual bell ringing available in that mode e Automatic swit
60. x1 8 version and 114 115 116 for the NEED 220DC x1 16 can be used as discrete or analog inputs depending on how they are used in the program 220V OV 220V 2xNO O OO 220V OV OV 1 12 14 115 116 Fig 3 5 1 Input connection contact components 3 6 Connection of 24V 12V DC discrete inputs The following contact parts can be connected to the input terminals push buttons normally open normally closed connectors switches relay amp contactor contacts photocells and 2 or 3 wire proximity detectors 24V 12V DC Input signal voltage ranges are according to EN 61131 standard Table 3 6 1 amp 3 6 2 includes digital input parameters depending on the voltage version of the relay Table 3 6 1 NEED DC x1 8 Programmable relay input parameters Input signal range Input Supp Input Input OFF Input ON npureurem resistance voltage Rated voltage V nr V V mA kQ 11 16 3 5 15 30 3 3 7 44 aiiu 17 18 3 5 15 30 2 12 36 11 16 1 4 8 26 3 3 3 65 ie 17 18 1 4 8 26 3 3 10 92 Table 3 6 2 NEED DC x1 16 Programmable relay input parameters Suppl Range of input signals Input current Input pp y Input Cut off input Start input resistance voltage Rated voltage V no V V mA kQ 11 113 3 5 15 30 3 3 7 44 aiis 114 116 3 5 15 30 2 12 36 11 113 1 4 8 26 3 3 3 65 iene 114 116 1 4 8 26 3 3 10 92 If inputs 114 116 are configured as curren
61. 1 Comparator amp lNo file name SET 2 15 x D Timer Calendar MM Counter gt Comparator Remanent T Input settings Comparator settings A f Compare ar v gt 100 VJ Fig 5 1 2 20 2 Sample configuration of A1 Comparator The Comparator compares the preset value 100 with the analogue value at I7 input If the voltage value at I7 input is higher than or equal to 100V the Comparator takes on the state 1 otherwise the output of the Comparator will be at the state 0 The Q1 output follows the changes that occur at the A1 comparator output NEED Programmable Relay User s Manual ver 1 5EN 102 Programming languages 5 1 2 21 Load statement LOAD The L statement is used for defining the Timer times and counting threshold values for Counters SYMBOL L SYNTAX L lt value gt 5 1 2 21 1 L statement for Timers 5 1 2 21 1 1 Constant time values for Timers Time of statement execution 8 3us The lt value gt parameter for the L statement assumes the respective constant time values from the ranges given in Tab 5 1 2 21 1 e g Table 5 1 2 21 1 shows the available time values which can be used with the L statement Table 5 1 2 21 1 L statement arguments for Timers Time format Range Step Examples of values s ms seconds milliseconds Os 10ms 99s 990ms 10ms 0 50ms 24s 50s 120ms m
62. 10ms 2s550ms x 100ms 100ms 25s500ms 0 10 25 50 x1s x 10 1s 4min15s in 0 10 steps x 10s 10s 42min30s x Imin 1min 255min0s x 10ms 10ms 2s550ms x 100ms 100ms 25s500s 0 05 12 75 x1s x 20 1s 4min15s in 0 05 steps x 10s 10s 42min30s x Imin 1min 255min0s The time measured for the NEED 24DC x1 NEED 12DC x1 relays is calculated as follows Voltage values on the analog input V x range multiplier x general multiplier measured time In the STL language syntax the AIZ or Al8 symbols are used for NEED 12DC x1 08 4 NEED 24DC x1 08 4 or Al14 Al15 Al16 for NEED 12DC x1 16 8 NEED 24DC x1 16 8 for example LAIl7x1imin _ Time to be measured current voltage value at the analog input AI7 V x 1min x 10 e g voltage value on the Al7 analog input 20V time to be measured 20 x 1min x 10 20min x 10 200min L Al14 x100ms Time to be measured current voltage value at the analog input input Al14 V range 0 05V 12 75V x 100ms x 20 e g Al14 analog voltage value 10V time to be measured 10V x 100ms x 20 1000ms x 20 20s Increased resolution of analog inputs operating range 0 05V 12 75V can be used only for the NEED 12DC x1 16 8 or NEED 24DC x1 16 8 relays 5 1 2 21 1 4 Time values for Timers based on the current values on current analog inputs Time of statement execution 10 3us For current analog inputs only for NEED 12DC x1 16 8 NEED 24DC x1 16 8
63. 3 SET instruction 111 Settings 155 Settings Clocks 158 Settings Comparators 159 Settings Counters 158 Settings input delays 160 Settings Remanences 159 Settings Timers 157 SF Timer instruction 92 SL Timer instruction 94 95 Start up 168 STL 74 Symbols Comparator 64 Symbols digital control outputs 38 Symbols digital inputs 36 Symbols digital pulse outputs 37 Symbols digital resetting outputs 38 Symbols digital setting outputs 38 Symbols inverted digital control outputs 39 Symbols LAD 113 116 Symbols Markers 39 Symbols normal digital outputs 37 Symbols SD Timer delayed activation 44 Symbols SE Timer Single pulse 45 Symbols SF Timer Delayed activation 45 Symbols SL Timer Pulses 46 240 Index Terminals cables types 16 Timer inputs 43 Timer outputs 44 Timer time ranges 43 Timer time to be measured 43 Timers 43 Tools 136 NEED Programmable Relay User s Manual ver 1 5EN Type designation 9 Uninstalling 128 XOR NOT XN 87 XOR NOT XN 88 XOR X 86 XOR X 86 241
64. 468 4000 9999 COUNTER UP COUNTER DOWN RESET COUNTER Fig 5 2 1 3 LAD language elements Counters LAD language symbols to represent outputs are presented in Fig 5 2 1 4 NEED Programmable Relay User s Manual ver 1 5EN 113 Programming languages cs ty gt CS Two state Two state Two state Pulse output setting output resetting output relay S R FP Fig 5 2 1 4 LAD language elements outputs LAD language symbols to represent Markers are presented in Fig 5 2 1 5 gt GD GD Two state Two state Two state resetting Pulse marker setting marker marker marker R R FP Fig 5 2 1 5 LAD language elements Markers 5 2 2 Inputs From the point of view of the LAD program not only a physical contact of an electric device discrete input can be an input but also a state logical level of Timer Counter Clock Marker or even output Since those elements during their operation are assigned two state values 0 or 1 it is possible to check them and make the operation of other circuit components dependent on them Note Output check consists only in acquiring program information on the state of the i register which controls that physical output That means that the efficiency of the relay and of execution system of the output are not taken into account 5 2 3 Outputs The simplest arrangement involves a two state element such as a relay with powered or unpowered coil In
65. 55 x10s e g when the Potentiometer set value 8 then the time to be measured 8x10s 80s 5 x1min L Pot x1min__ Time to be measured current Potentiometer value 1 255 x1min e g when the Potentiometer set value 255 then the time to be measured 255x1min 255min Tab 5 1 2 21 1 2 L statement arguments for Timers obtained through Potentiometer settings Potentiometer range Multiplier Time range x 10ms 10ms 2 55s x 100ms 100ms 25 50s 1 255 x1s s 4min15s x 10s 10s 42min30s x 1min 1min 255min0s 5 1 2 21 1 3 Time values for Timers based on the voltage values on analog voltage inputs Time of statement execution 10 3us For measuring time for Timers it is possible to use the values of voltages read from i the 17 18 analog inputs in the NEED 12DC x1 08 4 NEED 24DC x1 08 4 version or 114 115 116 in the NEED 12DC x1 16 8 NEED 24DC x1 16 8 version For the analog voltage inputs the lt value gt argument of the L statement can take the time values presented in the 5 1 2 21 1 3 Table NEED Programmable Relay User s Manual ver 1 5EN 104 Programming languages Tab 5 1 2 21 1 3 The L statement arguments for Timers obtained by reading the analog inputs in voltage mode The voltage range Range multiplier General multiplier Time range measured on the analog input V x 10ms
66. 7 STL program editor Program edition in STL language is carried out in STL editor see window below z E NEED Program1 stn DEVICE 230Ac 01 08 4 Program STL Entering and program edition window Size change Compilation Compiling file window Code size 17 max 862 Memory usage 2 0 Fig 6 7 1 STL editor 6 7 1 STL editor Editor window is opened in the workspace of PC Need and follows the Windows standards as regards the change of size and location and closing Editor operation is similar to the use of a simple notebook Text is entered from the keyboard using syntax principles given in Item 5 1 Programming is made in STL text language It is possible to delete shift or copy a selection or the entire text e Marking made using a mouse or a keyboard Mark SHIFT arrow keys simultaneously press SHIFT and selected arrow keys according to the shifting direction mark the selected text e Cut mark the text to be cut and Cut it by simultaneously pressing Ctrl and X keys The text cut will be stored in the clipboard e Delete mark the text to be deleted and perform Delete operation Del key Paste put the cursor where the beginning of the text to be pasted is to be located perform Paste command combination of Ctrl and V simultaneous pressing of Ctrl and V keys Upon completion of the operation the content of the system clipboard is inserted e Transfer
67. 8 1 1 Relay 115 230 V AC power supply Schematic diagram of the NEED relay power supply circuit is presented in Fig 8 1 1 Fig 8 1 1 Schematic diagram of the NEED AC relay power supply circuit The NEED relay power pack circuit is not electrically isolated from the mains power i supply This means that should the conductors connected to L and N terminals be interchanged voltages dangerous to life can be present at the communication terminal 8 1 2 Relay 220 V DC power supply Schematic diagram of the NEED relay power supply circuit is presented in Fig 8 1 2 Fig 8 1 2 Schematic diagram of the NEED AC relay power supply circuit The NEED relay power pack circuit is not electrically isolated from the mains power supply This means that should the conductors connected to 220V and OV terminals be interchanged voltages dangerous to life can be present at the communication terminal 8 1 3 Relay 24 12 V DC power supply Schematic diagram of the NEED relay power supply circuit for the 24V DC version is presented in Fig 8 1 3 The 12V DC version differs in components selected NEED Programmable Relay User s Manual ver 1 5EN 169 Information on hardware L1 Fuse D1 Varistor GND Fig 8 1 3 Schematic diagram of the NEED DC relay power supply circuit The relay power supply systems in the DC version are protected against reverse connection of supply voltage 8 2 Inputs 8 2 1 230 V AC inputs Concept di
68. 800MHz 960MHz 1 4GHz 2 0GHz A series of fast electrical transient states EN 61000 4 4 NEED 230AC x1 NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 2kV power leads 2kV signal wires 2kV power leads kV signal wires High energy surge EN 61000 4 5 NEED 230AC x1 power supply port input circuit ports NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 power supply port input circuit ports unshielded lines 2kV asymmetric signal 1kV symmetric signal 2kV asymmetric signal 1kV symmetric signal 1kV asymmetric signal 0 5kV symmetric signal 0 5kV asymmetric signal 0 5kV symmetric signal Resistance to radio frequency interference 3V 26 80MHz NEED Programmable Relay User s Manual ver 1 5EN 229 Technical specifications Power supply circuit Power supply voltage NEED 230AC x1 rated value operating range NEED 220DC x1 rated value operating range NEED 24DC x1 rated value operating range NEED 12DC x1 rated value operating range 115V 230V AC 60Hz 50Hz 95V 260V 220V DC 154V 242V DC 24V DC 19 6V 28 8V DC 12V DC 10 2V 14 4V DC Rated current for high states on all inputs and outputs NEED 230AC x1 08 4R 19mA NEED 220DC x1 08 4R 15mA NEED 24DC x1 08 4R 70mA NEED 12DC x1 08 4R 120mA NEED 230AC x1 16 8R 40mA NEED 220DC x1 16 8R 26mA NEED 24
69. C 1 5mA NEED 220DC x1 16 8 for 220V DC 1 1mA NEED 24DC x1 16 8 for 24V DC 2 0mA NEED 12DC x1 16 8 for 12V DC 1 1mA Conversion time 1ms Digital resolution NEED 230AC x1 1V AC NEED 220DC x1 1V DC NEED 12DC x1 08 4 voltage range 0 1V NEED 12DC x1 16 8 voltage range 0 1V or 0 05V NEED 24DC x1 08 4 voltage range 0 1V NEED 24DC x1 16 8 voltage range 0 1V or 0 05V NEED 12DC x1 16 8 current range NEED 24DC x1 16 8 current range 0 2mA or 0 1mA 0 2mA or 0 1mA Maximum allowed sustained overload NEED 230AC x1 NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 300V AC 300V DC 40V DC 26V DC NEED Programmable Relay User s Manual ver 1 5EN 235 Technical specifications Analog input error Maximum error in 25 C NEED 230AC x1 NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 3 of the measuring range 2 of the measuring range 2 of the measuring range Crosstalk between channels 36dB Nonlinearity 3 Lead length shielded 40m Galvanic separation from power supply voltage no from digital inputs no from digital inputs yes from the programming connector no Central unit and memory User program memory capacity NEED x1 08 4 862 bytes NEED x1 16 8 835 bytes Type of memory available EEPROM Programming languages EN 61131 3 Text STL Graphical LAD Program resources NEED x1 08 4 Markers Timers Timer Acc
70. C USB with the relay dedicated port Cable type NEED PC 15A 15B RS 232 NEED PC 15C USB Digital data transmission speed NEED PC 15A 15B 19200bit s NEED PC 15C 1 5Mbit s Data validation checksums NEED Programmable Relay User s Manual ver 1 5EN 237 Glossary 12 GLOSSARY Cycle time Password Memory card Compilation Configuration LAD Counter Program loading Program memory Program processing time of all program instructions protection against copying of the program present in the controller memory external memory of the programmable relay from which the program can be transferred to the internal memory of the relay checking of the program correctness and generation of a code comprehensible to the programmable relay processor setting of appropriate parameter values for the programmable relay graphic language for relay programming logical element of internal relay resources used in the control counting functions of the program writing the compiled program from the PC to the programmable relay memory storage area of the relay dedicated for writing the control program by the user record of a specified control process using a suitable programming language Programmable relay relay equipped with inputs contacts outputs coils and RUN STL STOP Timer Trigger Input Analogue input programmable logical resources incl
71. CONNECTIONS ccccceeeeeeeeeeeeeeceeeeeeeeeeeeneaaeeeeeeeeeeeesessaaaaeeeeees 24 3 9 Analogue 24V 12V DC input CONNECTION 00 cece cece eee eeeeeeeneaeeeeeeeeeeeeensnaeeneeeeees 25 3 10 Qutp t COMME UO Nie a Xienicd a Seance ae EE aa ER AE EEE EAE e AEE EE AEE 28 3 11 AC power supply connection ss ssssssserrtesssrettrrrntrssrrrrttrnnttsserrrtnrnnnresernnennnn nenet 29 3 12 220 DC power supply connection cccccceeeeeeeeeeeeeeeeeeeeeeeeeeecaaaaeeeeeeeeetensnsaaeneeeeees 29 3 13 24V 12V DC power supply connection ssssssssersessseeertrrrrrtsstrertrrnnrressrnntrrnnneeeet 31 A RELA V RESOU ROE S e e a leona A tea coer de ene ieee 32 4 1 NEED Programmable Relay system sssssnneeesssesnerrrretssertrrrrnrttssrrrtnrrnnntsserrntnrnneneeet 32 4 2 Program Cycle pricka nre a a a aE A A E teas E R ERE Aa E 32 4 3 NEED Programmable Relay reSOUrC S ccceeeeeeeeeeeeeceeeeeeeeeeeeeeenaeeeeeeeeeeteeenaaees 34 2b UOEIVA WU S 2 eget te a E E eae ee 2 Oe aoe 2 E 36 4 4 1 Normally open digital inputs sis sdegetee seessehaei viens sieeneeved tins atietentie nonce 36 4 4 2 Normally closed digital inDuts ccceceeeeeeeee este eee eeeeeeeee sete eee eeeceaaeeeeeeeeeeteea 36 4 5 Digital OUlOUtS ost eai a a eau tee r E E nachtnnte 36 4 5 1 Normal digital outputs isc3chucchearuasiietnt bea etceek eee ee 37 4 5 2 Digital pulse OUTDUTS soo ec 22 cca ev ev eds acessocesevescca us
72. Comparator SOUINGS sit ccecicc devuielicchives es nisded asians Hakeiblacchidesiies nel ieklans Heemhinee 159 6 9 6 Remanence sc cate hs kh cit a eh eek ith oot eee as eee tells 159 6 9 Fo PUN delay Saieta e ANa EE Eea E Ea E A ERLEAREN 160 6 10 Proview of variables inenen E E E 161 6 11 LAD ladder MCW ss nran e a E tad cay ade ore tag enn Seed O E AE 163 6 12 PASSWORT bese 164 6 42 12 Password Gnlering serres ieie aee RE EE EREE REE REEE eee 164 6 12 2 Changing the password ssssseeeseessssrserrrnttsssrrnrrnnrrtsertrrnrnnnntsertnnnnnnnnnseennee 165 6 13 Real time ClOCK RTO resene a EE E A A E E L 166 6 14 SOURCE COJE te eeta a aa ae a eE N N R a 167 FASTAR T UP seaseoniemant oraaa n a e a NA ceeds 168 T A SWitehing OMe E A sue Melanie A A uapabeseealstacapees 168 7 1 1 Preliminary operations for the AC version ssssssssessesssssererrrnrrsssrrrrnrrnnrsssrrnne 168 7 1 2 Preliminary operations for the DC Version 0 eeeeeeeeeeeeeeeee eee eeeeenneeeeeeeeeeeteeee 168 7 1 3 Turning the power On Secarceseesandcicergaduterstecescada diets peactescidadcudseeahrsouiadtecanartriess 168 NEED Programmable Relay User s Manual ver 1 5EN Contents 8 INFORMATION ON HARDWARE icccencctdscuuctpeeruerot aed natquuiel averoramedanmcevantanlens 169 8 1 Relay power supply cae exceccccs sate teedeace ee ee oe a eee A coer oae mea daan te caeaeentnan a esenaeen ds 169 8 1 1 Relay 115 230 V AC power SUPDIY
73. DC x1 16 8R 160mA NEED 12DC x1 16 8R 260mA Max power consumption NEED 230AC x1 08 4R lt 5VA NEED 220DC x1 08 4R lt 3W NEED 24DC x1 08 4R lt 3W NEED 12DC x1 08 4R lt 3W NEED 230AC x1 16 8R lt 10VA NEED 220DC x1 16 8R lt 6W NEED 24DC x1 16 8R lt 5W NEED 12DC x1 16 8R lt 5W Higher harmonics in the power supply signal NEED 230AC x1 lt 10 of the voltage value of the fundamental component Current protection in the power supply circuit NEED 24DC x1 NEED 12DC x1 500mA Protection against change of polarity Current protection in the power supply circuit NEED 230AC x1 NEED 220DC x1 600mA Resistance to slow and fast power supply voltage change PN EN 61131 2 Power stoppages EN 61131 2 20ms Real time clock maintenance 64h in T 25 C 24h in T 55 C NEED Programmable Relay User s Manual ver 1 5EN 230 Technical specifications Specification of input circuits Digital inputs type EN 61131 2 Type 1 current receiving inputs Quantity NEED x1 08 4R 8 11 18 NEED x1 16 8R 16 11 116 Visualization of logical status LED diodes Rated voltage NEED 230AC x1 08 4 for the logical state of 1 85V 260V for the logical state of 0 OV 40V NEED 230AC x1 16 8 for the logical state of 1 85V 260V for the logical state of 0 OV 32V NEED 220DC x1 for the logical state of
74. EED Programmable Relay User s Manual ver 1 5EN 199 Sample applications STL O H1 Enabling H1 or O H2 enabling H2 or O H3 enabling H3 or O H4 enabling H4 L Pot x100ms results in triggering T1 Timer in Single Pulse mode SE T1 with duration time adjusted with the Potentiometer AUTO mode A I2 f the AUTO mode is selected the bell operates normally ATI Q1 Manual mode Alt f the Manual mode is selected the bell responds to A I3 N3 button being pressed turning the bell on S Q1 Alt f the Manual mode is selected the bell responds to AN I3 13 button being depressed turning the bell off R Q1 NEED Programmable Relay User s Manual ver 1 5EN 200 Sample applications LAD H1 T1 SE lt Triggering of T1 gt Timer in Single H2 Pot x100ms Pulse mode H3 H4 12 T1 Q1 If AUTO mode is __ Selected the bell m lt gt lt operates normally H 13 If Manual mode is selected lt r the bell responds to I3 button H lt S w being pressed turning the bell on i I3 Q1 If Manual mode is selected EE the bell responds to 13 button R a being depressed turning the off NEED Programmable Relay User s Manual ver 1 5EN 201 Sample applications 11 12 13 4 Ib 16 1 115 230V AC INPUT 8xAC a a gv a T IT TT TT OUTPUT 4xRELAY 10A COOOOOOGOOGO 18 MODE_an 2 8 4 6 6 7 TT Tt Tt Tt Tt te te tt tT TY Q1
75. F time the clock output is turned off on the following day configuration according to Fig 4 9 10 No file name SET Timers Calendar mn Counters gt Calendar settings H h gt r Channel 4 _ Channel B Day 1 wea x Day 1 z Day 2 gt Day 2 HH MM HH MM onfoxlfo onf f al Fig 4 9 10 Clock 1 sample configuration window H1 Wednesday Thursday 10 00 0 00 600 0 Fig 4 9 11 Clock 1 operation in the configuration presented in Fig 4 9 10 NEED Programmable Relay User s Manual ver 1 5EN 55 NEED relay resources If the OFF time is earlier than the ON time NEED programmable relay turns off the output of the Clock being used on the following day Example 5 Turning the clock output on for 24 hours In order to achieve a 24 hour operation the Clock 3 must be configured as shown in Fig 4 9 12 No file name SET a a i ue i EE EE ojo mE Fig 4 9 12 24 hour operation sample configuration window NEED Programmable Relay User s Manual ver 1 5EN 56 NEED relay resources Example 6 It must be remembered that the clock output state depends on the states of all four channels Let s analyse the configuration of Clock 4 shown in Fig 4 9 13 No file name SET loj x Timers amp Calendar sun Counters gt Comparators Remanent L Input sett
76. H 12 13 14 15 16 I7 18 Fig 3 4 3 Input connections proximity sensor thermal switch contact In order to reduce interference at discrete inputs Nos 11 14 I7 18 and increase the lengths of cables which may be used to connect control units to those inputs external elements must be used which increase the current in the circuit and input filters 1 Increasing the current in the input circuit In order to reduce interference at inputs Nos 11 14 I7 18 an external capacitor can be used e g 100nF 275V class X1 or X2 increase of current to be connected between the input terminal and the N terminal Fig 3 4 4 I3 input current increase OODODODOODDOOD L NN K 2 13 14 15 i6 I7 18 Fig 3 4 4 Input current increase 2 RC filter In order to reduce interference at inputs Nos 11 14 17 18 an RC filter can be used capacitor 100nF 275V class X1 or X2 connected in series and 1k resistor to be connected between the input terminal and the N terminal Fig 3 4 5 NEED Programmable Relay User s Manual ver 1 5EN 19 Installation RC filter to reduce interference L NN H l2 13 14 15 16 17 Fig 3 4 5 Input RC filter Note Feeding a voltage higher than the maximum permissible between the I1 In and N input terminals can result in damaging the input circuits of the programmable relay 3 5 Connection of 220V DC discrete inputs Electric shock hazard and OV input terminals can result in dama
77. HC1 T XN XOR NOT parenthesis instruction S Setting instruction Q M R Resetting instruction Q M T C HC1 Assigning instruction Q M P Pulse relay Q M L Loading instruction Constant operand value NEED Programmable Relay User s Manual ver 1 5EN 76 Programming languages Table 5 1 1 STL instructions ctd STL Description Operands Instruction SD Timer Delayed turn on T SE Timer Delayed turn off T SF Timer Single pulse T SL Timer Pulses T CU Counter Up count C HC1 CD Counter Down count C HC1 SET Always setting instruction CLR Always Clearing instruction 5 1 1 1 Symbolic names For the NEED relays it is possible assign symbolic names to variables in a project This way the program is easier to analyze and clearer To associate a variable with a symbolic name use an expression with the following syntax DEFINE lt symbolic name gt lt variable gt After that a symbolic name preceded with the character can be used instead of the variable address such as Q1 111 for example DEFINE Pump Q1 DEFINE Failure 111 A Failure R Pump Symbolic names are case insensitive Names of relay resources and statements cannot be symbolic names Symbolic names may not begin with a digit and can contain up to 30 characters NEED Programmable Relay User s Manual ver 1 5EN 77 Programming languages 5 1 2 Description
78. It is possible to toggle the variable symbolic name view Fig 5 2 10 shows the circuit in ordinary notation and below with symbolic names HH ee 500ms Int In2 Delay 500ms Fig 5 2 10 Example of symbol use in LAD 5 2 11 LAD program The program is composed of networks The simplest program can include only one network program line A program composed of 3 networks is presented below Ho 500ms Ti 13 Q1 Q1 M1 s gt Fig 5 2 11 Sample LAD program Program description The first network as per Fig 5 2 11 employs inputs which are connected directly to the programmable relay The first input 11 is of NC type the second 12 of NO type which means that the Timer is turned on if 11 0 and 12 1 States of T1 Timer which is set in the network 1 and I3 input are checked in the second network T1 13 Q1 If the Timer is turned on after 500ms counted from the time point when the condition of 11 0 and 12 1 has been met and the 3 input is active I3 1 then the Q1 output will be at high state powered Once the 13 input is turned off I3 0 the Q1 output will be deactivated Network No 3 is used to remember the turn on of the Q1 input Once the Q1 input state goes to 1 then the M1 Marker is permanently set M1 1 It should be noted that the program actually ends with setting the M1 Marker as further M1 Marker operations e g resetting are not perform
79. M MM MM on 7 Joo gt On 1 x Joo gt on 15 Joo gt On fs foo gt Off fio Joo gt oft 14 Joo gt oft fis x foo gt Off le x Joo gt Fig 4 9 5 Clock 1 sample configuration window In the configuration presented above Clock 1 will set its output state to high on each day Monday through Wednesday between 7 a m ON time and 10 a m OFF time and between 11 a m ON time and 2 p m OFF time and between 3 p m ON time and 4 p m OFF time Additionally the Clock 1 output will be set Monday through Friday between 5 a m and 6 a m This situation is presented in Fig 4 9 6 NEED Programmable Relay User s Manual ver 1 5EN 52 NEED relay resources Monday a H1 0 5 00 6 00 7 00 10 00 11 00 14 00 15 00 16 00 Tuesday a H1 g 5 00 6 00 7 00 10 00 11 00 14 00 15 00 16 00 Wednesday x H1 g 5 00 6 00 7 00 10 00 11 00 14 00 15 00 16 00 Thursd is H1 ursday 0 5 00 6 00 Frid k H1 riday 0 5 00 6 00 Fig 4 9 6 Clock 1 operation in the configuration presented in Fig 4 9 5 NEED Programmable Relay User s Manual ver 1 5EN 53 NEED relay resources Example 3 Fig 4 9 7 shows a sample configuration window for Clock 2 amp lNo file name SET IDI xi D Timers amp Calendar sun Counters gt Comparators Remanent 2 Input settings Calendar settings H 2 Channel 4
80. NEED 12DC x1 16 8 or NEED 24DC x1 16 8 relays 5 1 2 21 2 L statement for Counters 5 1 2 21 2 1 Constant threshold values for counters Time of statement execution 8 3us The lt value gt parameter of the L statement takes the corresponding constant values for Counters from the range of 0 65535 e g L C 10 CU C1 Setting of value 10 to be counted by the C1 up counter L C 1000 CD C8 Setting of value 1000 to be counted by the C8 down counter NEED Programmable Relay User s Manual ver 1 5EN 106 Programming languages 5 1 2 21 2 2 Threshold values for counters defined according to the Potentiometer setting Time of statement execution 10 3us You can also use the value read from the Potentiometer as the set value to be counted by the Counters then the L statement format can take the following value 1 L Pot x1 value to be counted from the 1 255 x1 range e g the Potentiometer s CU C1 value is set to 23 then the value to be counted by C1 is equal to 23x1 23 2 L Pot x10 value to be counted from the 10 255 x1 range e g the Potentiometer s CD C2 value is set to 23 then the value to be counted by C2 is equal to 23x10 230 3 L Pot x100__ value to be counted from the 1 255 x100 range e g the Potentiometer s value is set to 23 then the value to be counted by C3 is equal to 23x100 2300 Table 5 1 2 21 2 1 L statement arguments for Count
81. Q1 output will be set state 1 according to the principle of XOR function i e Q1 1 for I7 1 and one of the Markers is set to 0 state Q1 1 for I7 0 and both Markers are set to high state 1 5 1 2 11 XOR NOT instruction SYMBOL XN XN instruction is a logical instruction of XOR NOT type SYNTAX X lt 1 Q M MDIR A H HC1 C T gt Instruction execution time 6us Example STL Relay diagram X55 XN I1 Q1 NEED Programmable Relay User s Manual ver 1 5EN 87 Programming languages Fig 5 1 2 11 Sample time series at I5 and l1 inputs and Q1 output Q1 output will be set state 1 when logical states of I5 and I1 inputs are the same I5 0 and 1 0 or I5 1 and I1 1 5 1 2 12 XOR NOT parenthesis instruction SYMBOL XN XN is a logical instruction of XOR NOT type of the result of logical operations given in the parentheses SYNTAX XN Conditional instructions Instruction execution time 6us Example STL Relay diagram A 17 fi XN I7 0 A M1 A M2 4 Po mI o Q1 0 Result of operation XN A M1 3 A M2 0D 1 Q1 0 Fig 5 1 2 12 Sample time series at 17 M1 and M2 inputs and Q1 output Q1 output will be set state 1 according to the principle of XOR NOT function i e Q1 1 for I7 1 and states of both Markers M1 and M2 are high 1 Q1 1 for I7 0 and state of one of the Markers is low 0 NEED
82. Q2 Q3 10 22 82 82 Fig 10 3 3 Sample electric connection diagram for school bell control NEED Programmable Relay User s Manual ver 1 5EN 202 Sample applications 10 4 Fault detection The manufacturing process very often requires detection of faulty parts NEED programmable relay can be used to compose a simple and cheap system to control the quality of the parts manufactured Hole detection sensor mijm Part detection sensor s f eaunilhg the mnj ws terminals PA Fig 10 4 1 Faulty part detection Task description Create a system to enable checking small parts openings in the transistor housings and the numbers of terminals Once a faulty part is detected it must be separated from the remaining ones Equipment selection 1 To detect the hole a pair of optical sensors transmitter and receiver are necessary The number of transistor terminals can be counted by a laser sensor of small light spot diameter Also a sensor to detect the transported part can be added as this will greatly simplify our program 2 Separator can be a pulse solenoid valve controlled cylinder on sending a control signal to one electromagnet coil the valve remains in its position also after the signal has faded until a signal is sent to the other coil on which e g mechanical partitions will be installed to deflect the flow of faulty parts 3 NEED programmable relay 3 inputs a
83. R Marker resetting Reset prevailing at the input J pulse relay each leading pulse changes is assigned to the the state to opposite Marker No symbol assignment Fig 5 2 7 3 Configuration of Markers NEED Programmable Relay User s Manual ver 1 5EN 119 Programming languages 5 2 7 4 Configuration of Timers Timers are presented using the same graphic symbols which are used for outputs see Fig 5 2 7 4 Expected Timer operation determines the symbol to be used inside the graphic designation of the Timer A letter T and a Timer number are put above the graphic symbol x SD SF SL R HY 3s 200ms Available settings 0 99s 0 990ms increment 10ms 1 99min 0 59s increment 1s 0 99h 0 59 increment 1min Pot x multiplier value read from the potentiometer x 10ms 100ms 1s 10s 1min Potentiometer is adjustable in the range of 1 255 Adjustment ranges Pot x10ms_ adjustment range 10ms 2 55s Pot x100ms 100ms 25 5s Pot x1s 1s 4min 15s Pot x10s 10s 42min 30s Pot x1min 1min 4h 15min Value read from analog input only DC versions Al7 or Al8 x1 x10 x100 8 input versions Al14 Al15 Al16 x1 x10 x100 16 input versions 2s 190ms 3min 4s 4h 11min Pot x1s Pot x1imin Pot x10s n number of Timers depending on relay version NEED DC x1 08 4 NEED DC x1 16 8 Fig 5 2 7 4 Configuration of Timers NEED Progra
84. Relay diagram Q1 A H1 ml Q1 Fig 5 1 2 19 1 Sample time series at H1 contact and Q1 output The H1 Clock is configured appropriately using PC Need program see Chapter 6 Figure 5 1 2 19 2 presents a sample configuration of H1 Clock amp lNo file name SET 215 x D Timer lt Calendar sun Counter gt Comparator Remanent L Input settings Calendar settings H f gt Channel Channel B Channel C Channel D Day1 jSun v Day 1 Day 2 iveda gt HH MM on e gt Joo gt Off lis Joo gt z Day2 x HH MM of alla a zi z Day 1 Day 2 HH MM onf i I ott gt Day 1 Day 2 of Af z otf f gt Fig 5 1 2 19 2 Sample configuration of H1 Clock NEED Programmable Relay User s Manual ver 1 5EN Q1 output will be set according to H1 Clock output state changes Sunday through Wednesday between 8 a m and 3 p m Programming languages 5 1 2 20 Analogue inputs A detailed description of analogue input function see Item 4 10 Comparator analogue inputs SYMBOL A SYNTAX lt conditional instructions gt A lt Comparator number gt Example STL Relay diagram Q1 A Al Fig 5 1 2 20 Sample time series at A1 contact and Q1 output Analogue inputs are properly configured using PC Need application see Chapter 6 Figure 5 1 2 20 2 presents a sample configuration of A
85. STOP Version Ctr Shift I file Password gt Compiling Code size 13 max 862 Memory usage 1 5 6 Load the program to the memory of the relay Relay gt Transmission gt Write to the relay io PC Need o x File Edit View Relay Tools Config Windows Help DEH R d writotheReay FS R e E External M gt a Readfrom the Relay F6 xternal Memory Aa Read from the Relay ojx DEVICE 230 QD Stop ee ee ee Run Ctrl R pasha A I1 L is Reset Ctri At R A ana Eg Settings i Loading the program to A TL ED Clock Ctrl Shift z the relay Version Ctr Shift I file Password gt Code size 13 max 862 Memory usage 1 5 7 Switch the relay over to the RUN mode using the switch or Relay gt Run and feed the signal high state to the 11 input The Q1 output should flash 1 second on and 1 second off NEED Programmable Relay User s Manual ver 1 5EN 134 Installation and software description NEED Programmable Relay User s Manual ver 1 5EN 135 Installation and software description 6 6 Working with PC Need 6 6 1 Main program window description User interface window opens upon PC Need start menubar OEE File Edit view Relay Tools Config Windows Help O sO SiS el2Q2 PQaQ am SFU QB LAD C Need Program1 ldn F4 Timer Calendar NM Counter Sees feraren g Toolbar window r Timer Settings E f gt ae A C Need 1 stn DER Chm ms sms
86. Settings JV Save settings with program code Show STL window after the LAD file compilation omoa Fig 6 5 2 LAD project configuration windows Fig 6 5 3 illustrates schematically the project contents for the NEED programmable relay Programme edition canteen STL LAD file stn OR file Jan al f E Hele IeScucers a Settings i fe set gf eg aie es a Settings er a file set i Es Fig 6 5 3 Files included in the project for the NEED programmable relay If the programmer uses Clocks Comparators remanence then the settings must be loaded to the relay memory Example Project STL program without use of relay resources such as Clocks remanences Comparators etc Fig 6 5 4 NEED Programmable Relay User s Manual ver 1 5EN 130 Installation and software description CI lox File Edt view Relay Tools Config Windows Help Os als Be 2S BIQaQ mm S FIR O 2 No file name STL oxi DEVICE 24DC X1 08 4 Define Pump Q1 Define Alarm Q4 Define Sensor 11 AN Alarm Sensor1 Pump A Pump AN M1 Compiling file Code size 15 max 662 Memory usage 1 7 NEED 24DC X1 08 4 USB 010 001 Code size 15 max 862 Memory usage 1 7 Fig 6 5 4 STL program Only stn file to be loaded Example Project LAD program Option checked Save settings with LAD data
87. The logical structure of the Counter comprises inputs output and the numerical value of pulses to be counted Counter inputs and outputs can be logically combined also via bit signals 1 Q M Inputs The inputs comprise resetting input RESET sets the Counter output to low state 0 and stops pulse count and sets the Counter to zero inputs triggering the count CU CD signals sent to those inputs leading edges trigger the count up or count down respectively Thus the same Counter can perform simultaneous count up and count down functions INPUTS OUTPUT COUNTER Number of pulses to be counted Fig 4 8 1 Logical structure of the counter Number of pulses to be counted Number of pulses to be counted from the range of 0 to 65535 can be defined using loading instruction STL or settings file set of the relay for the LAD diagram Output Counter output is set to high or reset set to low depending on the pulse Counter state Counter output state goes to 1 if the below condition is true the current number of pulses counted gt preset number to be counted Counter output state goes to 0 if the below condition is true the current number of pulses counted lt preset number to be counted Occurrence of a positive edge at the CU input results in increasing the number counted by 1 while the positive edge at the CD input reduces that value by 1 NEED Programmable Relay Use
88. Tn Pulse Timer Cs If active a Square wave is generated pulses with pulse N width modulation of 50 pulse high state duration time N and low state duration time N Cn Counter up Cou Pulses are counted on activation Counter state is increased N at the input assigned to the specific Counter After the current Counter has reached the threshold of N the Counter state goes to 1 Cn Counter down Coo Pulses are counted on activation Counter state is N decreased at the input assigned to the specific Counter After the current Counter value has gone below the threshold of N the Counter state goes to 1 m number of the output of the specific type NEED Programmable Relay User s Manual ver 1 5EN 117 Programming languages 5 2 7 Configuration 5 2 7 1 Configuration of inputs Each input in the program network must be assigned a type and a variable The type is assigned in a graphic manner by selecting the normally open or normally closed contact the variable is placed above the graphic symbol The variable which defines the input type is composed of a letter designation and a number 1 H A Q M C HC T MDIR 1 Q1 s n number of Inputs Sample operations depending on relay In reading of the physical state of input In Hn reading of the state of clock n An reading of the comparison result n Fig 5 2 7 1 Configuration of inputs Th
89. Windows Help Die B l0f P QQQ him NEED 24DC X1 16 8 Fig 6 11 1 Ladder view window In the ladder view the active items or circuits are red the inactive ones are black In fig 6 11 1 the active circuits are 002 003 Circuit 001 is inactive because l1 input condition is 0 In t he 002 circuit the 11 input is of NC type its status is 0 From the LAD point of view it is active Additionally information is displayed about the current ad set time value of the Timer For Counters the counted value and the set threshold is indicated In the STOP mode the ladder is inactive it cannot be viewed NEED Programmable Relay User s Manual ver 1 5EN 163 Installation and software description 6 12 Password In order to prevent access by unauthorized persons the NEED programmable relay can be protected with a 4 digit password 0 to 9999 If a password is to be used when programming the NEED relay select Do not ask for password in Menu gt Configuration gt Program Fig 6 12 1 Default password is 0 zero The password is stored in the EEPROM memory of the relay Relay reset restores the default password Configuration General settings STL Editor LAD Editor Options Port E V Restore last session Do not ask for password V Save source data Information about LAD conformity Default Cancel Apply Fig 6 12 1 Enabling the asking for password 6 12 1 Password enteri
90. a keyword in STL language 2 Argument i e variable lt argument gt 1 Q M MDIR H A T C HC1 H L Counter L Timer 1 L Counter is a set number of counts to be performed by the Counter 2 L Timer is a set time to be measured by the Timer Logical notation of some sequences of which the program is composed consists of a condition so called preceding part and a result so called successive part In other words if the conditions noted using specific instructions and variables are met that situation will yield a result which is also noted using specific instructions and variables Such composition of a condition and a statement is called a circuit Thus the following record type is allowed All A I2 S Q5 However it is not allowed to use an entry like this 1 x NEED Programmable Relay User s Manual ver 1 5EN 74 Programming languages Logical circuit SAAB of the Sarn Result program P SM16 o Fig 5 1 1 1 STL program structure Example 1 AH Condition checks relations 11 AND A2 2 AA2 3 SQ4 4 RQ Result Instructions recorded in lines 1 and 2 are conditions in this example If both conditions are met the 11 output and A2 comparator output states being high then the Q4 output will be set state 1 and Q1 output will be reset state 0 Thus instructions S Q4 and R Qf are the result Instructions A A AN AN O O ON ON X X XN XN
91. ability with extensions galvanic separation of inputs D Display E Interoperability with extension modules G Galvanic separation of inputs Number and type of outputs 4R 4 relay outputs 8R 8 relay outputs R Relay outputs Number of inputs 08 8 inputs 16 16 inputs Relay version 01 programming and diagnostics connector type A 11 programming and diagnostics connector type B Supply voltage type AC alternating DC direct Rated supply voltage NEED Programmable Relay User s Manual ver 1 5EN 9 General Example1 NEED 230AC 01 08 4R The NEED programmable relay rated supply voltage 230V AC version 01 programming port type A 8 inputs 4 relay outputs without the possibility to add any extensions an LCD display inputs without galvanic separation Example2 NEED 24DC 11 08 4R The NEED programmable relay rated supply voltage 24V DC version 11 programming port type B 8 inputs 4 relay outputs without the possibility to add any extensions an LCD display inputs without galvanic separation Examples NEED 24DC 11 16 8R The NEED programmable relay rated supply voltage 24V DC version 11 programming port type B 16 inputs 8 relay outputs without the possibility to add any extensions an LCD display inputs without galvanic separation Ci The programmable relay without display requires th
92. agram of the NEED relay input systems is shown in Fig 8 2 1 and Fig 8 2 2 Analog inputs are I7 and 18 for the DC NEED x1 8 version and 114 115 116 for the NEED x1 16 version Inputs with increased resistance to interference are 15 and I6 for the AC NEED x1 8 version and 112 113 for the AC NEED x1 16 version R1 Inputs 11 14 R2 ile R1 Inputs 15 16 R2 e i R1 R2 Inputs I7 18 For analogue measurements R3 iG R4 For digital measurements R5 ik Fig 8 2 1 Schematic diagram of the NEED 230AC x1 8 4 input circuits NEED Programmable Relay User s Manual ver 1 5EN 170 Information on hardware Inputs with increased resistance to interference include a condenser anti interference filter which allows them to be connected with long cables Inputs 17 18 function as digital and analog inputs see chapter 4 11 Comparator Analog input The NEED relay inputs are not galvanically separated from the power grid supply R1 R2 Inputs 11 111 Inputs 112 113 R1 R2 For digital Inputs 114 116 measurements For analogue measurements ASYM takes the frame R8 potential for full symmetry Fig 8 2 2 Schematic diagram of the NEED 230AC x1 16 8 input circuits Inputs with higher noise immunity 112 113 are equipped with a capacitor noise filter therefore long leads can be connected to them The 114 115 116 have the function of digital inputs and analog inputs see sec
93. allation and software description Inserting an input object Right clicking inside the column A C or E cell 001 A in the example below causes a drop down menu to open see Fig 6 8 4 2 input element a ao NC Insertion point Row 001 Column A Fig 6 8 4 2 Inserting an input object Left click or press Enter to confirm the selection Inserting an output object Right clicking inside the column G cell 001 G in the example below causes a drop down menu to open see Fig 6 8 4 3 Insertion point Row 001 Column G Input M a Q output T MSEE element C Fig 6 8 4 3 Inserting an output object Deleting an object An object can also be deleted To this end select mark a cell where the object is located select highlight Delete from the drop down menu right click menu Once the command is left clicked the object will be deleted NEED Programmable Relay User s Manual ver 1 5EN 148 Installation and software description Inserting a connection Insertion point Row 001 Column B Connection selection Connect input to output Fig 6 8 4 4 Inserting a connection Once the connection cell is selected and the right mouse button is clicked the currently available connections are displayed in the drop down menu in addition to the graphic symbol an abbreviated direction symbol is provided which is a combination of letters S W N E S Sout
94. alue of the variable assigned is 0 possible inputs of a specific type Pulse relay performs the function of a flip flop triggered by Y Q M om the leading edge Each leading pulse changes the output m number of the Cr gt state to opposite FP outputs of the specific type Assigning output Ge Soe Y Q M gt Sets the value of the assigned variable to 1 when the signal is applied to the output Equivalent of an open contact relay copying of the input state to the output m number of the output of the specific type Set output Ym Sets the value of the assigned variable to 1 when the signal Cs is applied to the output and maintains the state until Reset instruction is executed or the programmable relay is powered Y Q M off backed up relay Reset output Ym Sets the value of the assigned variable to 0 when the signal L is applied to the output and maintains the state until Set S STL instruction is executed or the programmable relay power supply is cut off output resetting Tn Delayed turn on Timer C80 Sets the value of Tn 1 after the preset time N has N elapsed counted from the time of activation Tn Delayed turn off Timer Cs Maintains the value of Tn 1 for the preset time N after N the activation signal has ceased Tn Single pulse Timer L After activation a single pulse is generated of the duration of N N
95. alues to be counted must be used in the Load instruction for both CU and CD Fig 5 1 2 18 3 Leading edges that occur at M1 cause the C1 Counter to count up If the value counted by C1 is higher than or equal to 6 then the C1 output will be set Leading edges that occur at A1 cause the C1 Counter to count down If the value counted by C1 is lower than 6 then the C1 output state will be set to low AM1 lA L C 6 ral CU C1 O cen tora Value 6 M 4 pulses i threshold Conter N AA j value i L C 6 X CD C1 7 Counter i C1 A C1 O R M16 7 ee Values counted by the Counter Fig 5 1 2 18 3 Sample signal time series illustrating the Counter operation for two identical switching thresholds 3 Two switching thresholds range If the Load instructions of the Counters have different arguments values to be counted then two switching thresholds are set Fig 5 1 2 18 4 Leading edges that occur at M1 cause the C1 Counter to count up If the value counted by C1 is higher than or equal to 6 then the C1 output will be set Leading edges that occur at A1 cause the C1 Counter to count down Only when the value counted by C1 is lower than 3 the C1 output state will be set to low Thus during count down the C1 output state is high when the values counted by the Counter are between 6 and 3 NEED Programmable Relay User s Manual ver 1 5EN 99 Programming languages Ts rN M1 A M1
96. ammable Relay User s Manual ver 1 5EN 161 Installation and software description The Current column indicates current values of Timers and Counters or a numerical value for POT Aln In case of RTC date and time are given in the format of day month year hour minute second The Preset column lists the preset values of Timers and Counters The Other column shows additional information such as Timer mode comparison type of the Comparator etc The T1 row of the Preview table shown in Fig 6 10 1 includes information saying that the Timer state is 0 there is 4 01s left to be counted the preset time is 10s and the Timer is set to the pulse generation mode SL NEED Programmable Relay User s Manual ver 1 5EN 162 Installation and software description 6 11 LAD ladder view PC Need makes it possible to view the running of the LAD program in the relay If connection with the relay is active then by clicking the right mouse button in the active window of the LAD program you can display a menu from which you can choose the Ladder view Connection with the relay is indicated with a flashing word Online on the status bar e For active LAD view and RUN mode INEED Surele UB e For active LAD view and STOP mode NEED 240 x1 16 8 U8 To stop the ladder view click the right mouse button on the right mouse button and select i You can also press F6 w PC Need C Need Program6 ldn File Edit View Relay Tools Config
97. apparatuses mounting cabinet wall etc This will enable easy cable laying and ensure efficient cooling of the module Clearances to be observed when fixing the module are shown in Fig 3 2 3 Side walls may contact other apparatuses housing parts etc The above notes refer to both horizontal and vertical fixing the distance from the connector edge must be observed One must also remember to leave a minimum of 25 mm clearance in front of the unit when installing it in a closed cabinet NEED Programmable Relay User s Manual ver 1 5EN 15 Installation 30mm 9000000000 g NEED Programmable Relay Programmable Relay DODDDDDODDODO Wi lo ee OO E E S t X S Fig 3 2 3 Clearances horizontal and vertical fixing 3 3 Terminals cables The terminals provided allow the use of leads of the following cross section areas from 0 25mm to 4mm _ solid cable from 0 25mm to 2 5mm stranded cable with sleeve end Terminal screw tightening torque 0 5 Nm max 0 6Nm e Leads should be as short as practicable but not taut e Where long conductors are used they must be screened or twisted in pairs phase or signal cable L with neutral cable N or OV cable with 12 24 V input signal cable for DC version e It is recommended to insulate alternating current and direct current circuits and those generating electrical pulses by laying the cables in an appropriate manner Thi
98. arallel elements being m 150 That means that 150 rows can be assigned to one network There can be a maximum of 150 output elements 1 per horizontal line Program limitation is the number of 150 horizontal lines maximum of 862 bytes after compilation Fig 5 2 8 2 Maximum number of elements in one network NEED Programmable Relay User s Manual ver 1 5EN 123 Programming languages 5 2 9 Connection types Control system design requires a program which combines the relations between input and output signals in a suitable manner Basic connection types are presented below 5 2 9 1 Mapping the input to the output 11 Q1 11 input state will be copied to the Q1 output The Q1 output will be active Q1 1 if the logical state of the 11 input is 1 5 2 9 2 Mapping the negated input to the output Negated l1 input state will be copied to l1 Q1 the Q1 output The Q1 output will be active Q1 1 if the logical state of the l1 input is 0 5 2 9 3 Series connection The above circuit performs the function of 11 12 Q2 a logical product AND operation The Q2 output will be active Q2 1 if both inputs 11 and 12 are in the logical state 1 Other types of series connections are presented below The Q2 output will be active Q2 1 if the I1 12 Q2 l1 input state is 1 and the 12 input state is gt Series connection of 3 elements 11 12 13 Q2 The Q2 output will be active Q2 1
99. ard while the relay power supply is on may result in a damage to the memory circuit and the relay gt gt e 1 While the power is off insert the memory card module in the programming terminal of the NEED relay 2 Once the module power is switched on the memory contents active partitions is copied to the NEED relay memory A red MODE LED is blinking during the copying operation 3 Once the contents is copied the relay sets the operating mode according to the position of the operating mode switch If RUN mode is selected program execution is started automatically Note Memory contents is copied once on switching the power on Once the copying is completed the memory module can be removed from the relay terminal Note Rewriting data from memory to the controller is possible when the password is correct the memory stores data which are correct for the relay type partitions are active data in the relay are different from those in memory Note External memory does not permit transmitting of the LAD STL source code to the relay NEED Programmable Relay User s Manual ver 1 5EN 182 Sample applications 10 SAMPLE APPLICATIONS 10 1 Part height assessment Quite frequently a need arises during the manufacturing process to sort the parts according to their dimensions The task can be performed manually by measuring the certain dimension or automatically using the NEED programmable relay together with several exte
100. arker is set when the A1 A2 A3 M1 voltage of each phase is higher LC gt than Umin NEED Programmable Relay User s Manual ver 1 5EN 223 Technical specifications The M2 marker is set when the 2 voltage of each phase is lower than Umax The M3 marker is set if the phase 3 voltages are within set limits The M4 marker is set if the 4 asymmetry voltage does not exceed Uasym The T1 timer is started if phase 5 voltages asymmetry and sequence are correct The M5 marker is set if the 6 controlled parameters are stable during a predefined delay time The M6 marker is set after the 7 START button if the power supply parameters are correct It is cleared by the STOP button or if the power supply parameters are incorrect and backup power supply is not enabled Q1 output on if power supply 9 parameters are correct Motor start on NEED Programmable Relay User s Manual ver 1 5EN 224 Technical specifications M6 M5 I3 3 Q3 Q4 Q5 outputs switching on 10 phases L1 L2 L3 respectively to gt the motor 4 2 Failover to backup power supply M5 M6 11 Q6 Q7 Q8 outputs enabling backup power supply phases Lirez L2rez L3rez respectively to M5 the motor The T2 timer in SL mode generates D pulses for the Q2 output Q8 O O O oO O O N T2 s 0 5s T2 Q2 Q2 output backup power on signal 12 C gt toggles on off 0 5s 0
101. as left the turning area M2 Car interlock is released power is supplied to Q1 solenoid valve coil for a period equal to the duration of 11 sensor on state 200ms Car release operation is marked car is in the turning area Power is supplied to the turntable raceway motor only when there is a car to be transferred The car has exited the turning area actuation of 12 input Queue sensor results in resetting of the Markers of the previous operations The car control program is ended at this point the 4 remaining lines provide information on the number of the cars coming on and off the turntable raceway Once the car has exited the queue sensor the conditions of the first line of the program are met Setting C2 Counter to value 1 The instruction is executed only once after power is turned on when the value of M8 is 0 The Counter is loaded with value 1 as a counter up The Counter is ready for use M8 is set to 1 which ensures that until the power is off the circuit 6 will have no impact on the program operation After setting the M2 Marker car is allowed on the turntable raceway the state of car Counter is increased by 1 Once 12 input is enabled the car Counter state is decreased by 1 If the car C2 Counter state is equal to or higher than 1 the Q3 output is enabled because the value preset for C1 is 1 X1 lamp is on is the car is being turned Remarks to the program The initial situation
102. ast Sunday of March from 2 00 to 3 00 a m and the change to winter time on the last Sunday of October from 3 00 to 2 00 a m US The zone where the change to summer time takes place on the 2nd Sunday of March from 2 00 to 3 00 a m and the change to winter time on the first Sunday of November from 3 00 to 2 00 a m NEED Programmable Relay User s Manual ver 1 5EN 63 NEED relay resources 4 11 Comparator analogue inputs SYMBOL An where n is the comparator number n 1 8 for NEED x1 08 n 1 12 for NEED x1 16 LOGICAL STATES OF INPUT 0 or 1 depending on analogue voltage values and the programmable relay configuration settings Symbols of Comparator STL LAD A A1 A1 or OA aa or X A1 AN A1 A1 or a or XN A1 The programmable relay system is equipped with two NEED 01 08 4 or three NEED 01 16 8 analog inputs Fig 4 11 1 shows the logical structure of the Comparators in the NEED 01 08 4 relay Analog signals can be compared in the Comparator with each other with a predefined standard value and with the set point of an external potentiometer The result of the comparison defines the state of the Comparator s outputs The outputs are always set to the high state 1 if the condition of the comparison is satisfied Available comparisons are shown in table 4 11 1 and 4 11 12 Table 4 11 1 Possible configurations of comparator compari
103. at s ierre netaa a lanes aa aaa ia E iaie tuat 181 9 3 4 Reading the Settings neiii ari a aa iE AE eye 181 9 4 Operation of memory card with NEED relay sssssssnssseesssssseerrneesserernrrnnreserrrnrrrnereset 182 TO SAMPLE APPLICATIONS siscct covets esate a a aeaa aE dee tuisl adele 183 10 1 Part height assessment cs ssc ddoiedda enn wae eaeniee deo eadnweeaniken 183 TO 2 Automatic OO ON ao scared ce sex etcetera e eaae EEE EA RAEE e tenn A a EE EA Ea Ri aie 188 OES ASO NOOL bels er a E a da ee emanate 196 10 4 Atl COTS CHO erna r A TEE AA E E conse nee cane a Aa 203 10 5 Control of the travel of cars in the bend of the belt conveyor ssssssseessssssssssrrrreesse 207 10 6 Lighting and ventilation Controller ceececceccceeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaeeeeeeeeeeenenaaaaes 211 KONENE e Kool niiae PAE cee Oe hatte ert loa dt ec ease see dea ee ee ees 218 10 8 Three phase motor control and Protection cccccceeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeteeeenaaees 221 11 TECHNICAL SPECIFIGATIONS oy scezersucheaavaetistoccrtemcaceyieueenit oenuck iat ueettcreuceeeanyeectiele 227 12 GLOSSARY terse Coane etre tei scl cate lie Gerd okie DO eee Ga detonated e E csc ea ete ay 238 TA RINDEX ennenen pia stead aaatreee ln cua a a a a teeta atetery 240 NEED Programmable Relay User s Manual ver 1 5EN Introduction 1 INTRODUCTION NEED is a programmable relay which may replace even complex relay or contactor connectio
104. ation of 50 T4 pulses are generated only if Q1 1 SL Pulse generator Fig 5 2 7 6 1 Sample configuration of SL Timer Example 2 Timer reset R R Reset Function If 11 input state goes to 1 than the state of 0 will be forced at the T1 output and the Timer will be deactivated To start functioning again the T1 Timer must be reactivated Fig 5 2 7 6 2 Sample Timer reset NEED Programmable Relay User s Manual ver 1 5EN 122 Programming languages 5 2 8 Element location rules Fig 5 2 8 1 illustrates a very simple program network including the arrangement of elements according to the structure described above To make the illustration clearer the examples indicate discrete inputs and outputs Inputs mae z N Input elements Fig 5 2 8 1 LAD network Generally the network is composed of the input part conditional preceding part and the output part executive succeeding part The first part determines the conditions that must be satisfied in order for the output to be activated executive element Input elements can be interconnected in various ways the number of such connections being dependent only on the legibility of the program and editing possibilities Note The maximum number of NEED relay input elements placed in one line is 3 n 3 i e there can be only 3 elements contacts in one series with the maximum number of p
105. atter instruction should be put directly before Timer instruction SD Time is measured after the execution of SD Timer activation instruction leading edge at 18 input 2 After a time of t 400ms the Q1 output state is set to high 1 At the same time a high 1 signal should be retained at the 18 triggering input 3 If a low state occurs at the 18 Trigger input the measured time counter of T1 Timer is reset and Q1 output is set to low 0 4 If a high state appears at the 11 input resetting the T1 the measured time T1 Timer will be automatically cleared and the Q1 output is set to the low state 0 If the L statement is not used then the time to be measured by T1 will be set from the set configuration file settings window in the PC Need program NEED Programmable Relay User s Manual ver 1 5EN 91 Programming languages 5 1 2 17 2 Timer Delayed turn off OFF DELAYED Timer delays the turn off SYMBOL SF SYNTAX SF lt T gt Instruction execution time 8 3us Example A I5 L 200ms SF T1 AT1 Q1 Measured Timer time All RT1 Q1 Fig 5 1 2 17 2 Sample signal time series illustrating the operation of SF Timer 1 The 15 input performs the function of a triggering input Trigger Directly after the triggering instruction there is an instruction L which loads the specified time value to be measured The latter instruction should be pu
106. ay must be compliant with relevant safety standards The parameters of the power supply network should not exceed the tolerance limits indicated in the relay s technical specifications Should the relay be used in systems where emergency stop is required behaviour of the system during activation and release of the emergency stop must be defined in order to avoid unforeseen occurrences e g uncontrolled activation of the automation system Define proper reaction of the system to switching the power off and then back on NEED Programmable Relay User s Manual ver 1 5EN 13 Installation Safety conditions e In order to ensure safe operation and reliable functioning of the unit installation of the programmable relay should be performed by a person familiar with electric installation rules e Safety standards pertaining to work with electrical equipment as well as health and occupational safety rules must be duly observed during installation e Follow the programmable relay installation conditions 3 1 Installation order 1 Preparation and protection of the installation place 2 Mechanical fixing 3 Connection of cables connection of inputs connection of outputs connection of power supply 3 1 1 Preparation and safeguarding of the installation place Turn off the unit system where the programmable relay is to be installed Be aware of the electric shock hazard Protect the unit installation from inadvertent activation
107. ch mode I auto e Button to turn the bell on in the manual mode Ion 2 NEED programmable relay 3 inputs 1 output Program Equipment configuration Address _ Inputs Address Outputs 11 _Mmanual Q1 Q_bell 12 l_auto I3 l_on Algorithm To turn the bell on and off Clocks will be used in the below configuration NEED Programmable Relay User s Manual ver 1 5EN 196 Sample applications Clock 1 amp No file name SET iI x D Timer amp Calendar sun Counter gt Comparator Remanent Input settings HH MM Clock 2 amp lNo file name SET 2 0 x D Timer lt Calendar mun Counter gt Comparator Remanent L Input settings HH MM HH MM HH MM HH MM NEED Programmable Relay User s Manual ver 1 5EN 197 Sample applications Clock 3 No file name SET D Timer amp Calendar sun Counter gt Comparator Remanent lt Input settings Calendar settings H 3 gt r Channel 4 gt _ Channel B Channel C Day1 Mon i pay1 Mon f Day Mon Day2 Sat 7 Day2 Sat bd HH MM HH MM Day 2 Sat he HH MM on 13 z 20 gt ofthis z st HH MM On hs z 28 gt Off hs a0 x Clock 4 No file name SET D Timer amp Calendar sun Counter gt Comparator Remanent E Input settings Calendar
108. channels Figure 4 9 1 illustrates the logical structure of the Clocks NEED Programmable Relay User s Manual ver 1 5EN 49 NEED relay resources 4 9 1 Clock operation Clock operation in the programmable relay can be compared to the operation of a device the schematic diagram of which is presented in Fig 4 9 2 The clock is turned on using ON switches and turned off using OFF switches Clock setting is performed using PC Need program Power supplay Auxilary contact Clock output contact Fig 4 9 2 Schematic diagram of a single clock NEED Programmable Relay User s Manual ver 1 5EN 50 NEED relay resources Example 1 Fig 4 9 3 shows a sample configuration window for the Clock 1 amp lNo file name SET 15 x Timers Calendar mun Counters gt Comparators Remanent E Input settings Calendar settings Clock number gt H h Channel symbol tp channel 4 Channel B Channel C Channel D First day gt Day1 fMon f Day1 Day 1 Day 1 Last day Day2 Fri v Day 2 Day 2 gt Day 2 gt HH MM ON time gt on 5 foo gt On OFF time __p off le x Joo Off chs MM HH MM HH MM of A A mf f oft gt gt oft Jf BME ulus Fig 4 9 3 Sample Clock 1 configuration window First day first day in a one week
109. compose the conditional part of the circuit while the instructions S R FP SD SF SL SE CD CU are the resultant part of the circuit Each separate circuit should begin with a condition and end with a result Circuit 1 of the Al2 program i ANHI AA8 S M16 Circuit2 ofthe AM16 program i SM1 RM2 S Q2 Fig 5 1 1 2 Two sample circuits in STL There is only one program in the programmable relay which cannot be split into subroutines to be called NEED Programmable Relay User s Manual ver 1 5EN 75 Programming languages The controller processor executes individual instructions successively beginning with the first and ending with the last one Once the last instruction is executed the program cycle is repeated Controller program processing is presented in Fig 5 1 1 3 Fig 5 1 1 3 STL program processing Table 5 1 1 contains all available STL instructions Table 5 1 1 STL instructions STL Description Operands Instruction A AND instruction Q M MDIR A H C HC1 T A AND parenthesis instruction AN AND NOT instruction Q M MDIR A H C HC1 T AN AND NOT parenthesis instruction O OR instruction Q M MDIR A H C HC1 T O OR parenthesis instruction ON OR NOT instruction Q M MDIR A H C HC1 T ON OR NOT parenthesis instruction X XOR instruction Q M MDIR A H C HC1 T X XOR parenthesis instruction XN XOR NOT instruction Q M MDIR A H C
110. configuration Settings created manually must be saved as in the case of LAD or STL and named NEED Programmable Relay User s Manual ver 1 5EN 155 Installation and software description El No file name SET Timer D Calendar itil Counter gt Comparator Remanent E Input Settings Timer Settings ile i Time hm C ms sms Fig 6 9 1 3 Newly created settings file SET The default extension of the Settings file saved to the disc is set The basic differences between the LAD program related settings and the manual file of Program1 set are presented below Ci Note Settings file is loaded independently from the program By default a program and subsequently settings related to it are loaded it in the PC NEED program for the LAD editor Automatic loading of settings can be disabled by using the following menu options Configuration gt LAD project LAD project configuration Settings V Save settings with program code Show STL window after the LAD compilation canei Fig 6 9 1 1 LAD project configuration Type of variables to be set can be selected by using the tabs Timer D Calendar mH Counter gt Comparator Remanent L Input Settings The Settings window associated with the LAD program can only be closed using X while the SET file has also the icons l Except for the name and association the edition of settings is identical as it consists in fi
111. cution of the CLA instruction M1 Marker and Q1 output will be permanently set to low state 0 while T1 Timer will never be started NEED Programmable Relay User s Manual ver 1 5EN 112 Programming languages 5 2 Programming in LAD graphic language LAD Ladder Diagram is a simple programming method used to edit PLC programs As the basic language standard principles are maintained the application of that language should cause no problems to users who are familiar with a similar programming method First time users of NEED relays will be able to learn and use a programming method based on drawing electrical connection diagrams 5 2 1 Symbols in LAD Ladder diagram language LAD is based on symbols of contact and relay logics It enables representation of contacts input elements two state outputs reflecting the relay coils and function outputs Basic LAD language symbols to represent the inputs are presented in Fig 5 2 1 1 AH 4h Normally Normally open input closed input NO NC Fig 5 2 1 1 Basic LAD language elements inputs Functional outputs are Timers Fig 5 2 1 2 and Counters Fig 5 2 1 3 OOO Oo 100ms h 2s 500ms Del Del off i ion i elayed turn on elayed turn o Single pulse Operation in Resetting Timer Timer Timer Timer cycles Timer RESET ON DELAYED OFF DELAYED SINGLE PULSE FLASHING Fig 5 2 1 2 LAD language elements Timers CD CD lt D 3
112. door opens only for the people leaving the building It is a good rule to equip the control system with manual mode so our system will also have Open and Close buttons to manually open and close the door in the Manual mode neither Close nor Auto are on All the buttons will be put in one place a control panel 2 Door should be driven by a motor with an anti clasp coupling The signal to control the motor operation will be Q_close forward movement closing contactor on backward movement opening contactor off and Q_motor output switching the motor on The system will be additionally equipped with a signal lamp Q_alarm which will be blinking during Closing of the store 3 NEED programmable relay 8 inputs and 3 outputs will be necessary NEED Programmable Relay User s Manual ver 1 5EN 188 Sample applications Algorithm First the operating mode must be defined which is signaled by the lamp in this case the lamp blinks for the Closing mode The door is to open when the signal at the motion detector output is high In order to avoid actuation caused by incidental releases the system responds only after 200ms i e if after 200ms from the release the motion is still detected by the motion sensor the door starts opening The delay time must be obviously adjusted so that the person leaving or entering does not wait for the door to open appropriate adjustment and sensitivity of m
113. e Al16 analog input configured as a current input does not depend on the delay settings for the 17 18 or 114 115 116 with configuration through the PC Need software please refer to section 8 4 Input delays For relays NEED 12DC x1 and NEED 24DC x1 delay settings for the 17 18 or 114 115 116 analog inputs will cause averaging of the measured values read according to the following formula In the NEED 230AC x1 relay the analog inputs are read every 4ms This delay Current value previous value value read from the analog input 2 Analog inputs in NEED 12DC x1 and NEED 24DC x1 relays are read every 4ms 4 12 Potentiometer Potentiometer is a typical hardware resource and can be used to adjust times for Timers adjust values to be counted by Counters adjust switching threshold of the Comparator NEED Programmable Relay User s Manual ver 1 5EN 69 NEED relay resources Full turn of the Potentiometer corresponds to values 1 255 Appropriate Potentiometer values can be set using L instruction STL see Item 5 1 2 21 LAD see Item 5 2 in which the Potentiometer ranges can be modified by means of a program in order to better adapt them to the expected measured value An example of the use of Potentiometer is presented in Fig 4 11 1 El No file name SET mje x Timers Calendar MM Counters gt Comparators Remanent E Input settings Comparator set
114. e Relay User s Manual ver 1 5EN 34 NEED relay resources Table 4 3 NEED programmable relay resources Name Quantity Quantity NEED x1 08 4 NEED x1 16 8 I digital Inputs 11 18 11 116 the 17 18 inputs can also be used as analog inputs the 114 115 116 inputs can also be used as analog inputs Q NO type relay digital outputs Q1 Q4 Q1 Q8 Comparators A1 A8 A1 A12 A Markers M1 M16 M1 M16 M MDIR marker Defining the direction of MDIR connection of the L1 L2 L3 phases Timers T1 T8 T1 T16 T Counters C1 C8 C1 C8 OR Fast counter HC1 HC up to 20kHz Real time 1 1 clock Automatic change of summer winter time in different time zones Weekly clocks H1 H4 H1 H4 sug NEED Programmable Relay User s Manual ver 1 5EN 35 NEED relay resources 4 4 Digital inputs Each of the 8 inputs may be configured as normally open or normally closed Those resources represent physical inputs of the programmable relay 4 4 1 Normally open digital inputs Symbols of normally open digital inputs STL LAD Alt l1 or on or X11 SYMBOL In n being the input number n 1 8 NEED x1 08 n 1 16 NEED x1 16 LOGICAL STATES T supply voltage present at the input 0 no supply voltage present at the input 4 4 2 Normally closed digital inputs Symbol
115. e following variables are available inputs H Clocks A analogue comparisons Q states of outputs M states of Markers C states of Counters T states of Timers HC fast meter gauge of frequencies 0 20 kHz MDIR system phase direction marker NEED Programmable Relay User s Manual ver 1 5EN 118 Programming languages 5 2 7 2 Configuration of outputs Physical outputs are presented using graphic symbols illustrated in Fig 5 2 7 2 Expected output behavior determines the graphic symbol to be used Above the graphic symbol the letter Q is put which designates the output and its number Possible actions No symbol the state S output setting Set prevailing at the input R output resetting Reset is assigned to the J pulse relay each leading pulse changes output the state to opposite No symbol assignment n number of Outputs depending on relay Fig 5 2 7 2 Configuration of outputs 5 2 7 3 Configuration of Markers Markers just like the outputs are presented using the same graphic symbol by replacing Q with M as illustrated in Fig 5 2 7 3 Expected Marker behavior determines the graphic symbol to be used inside the graphic designation of the Marker Above the graphic symbol the letter M is put which designates the Marker and its number IH A Q M C HC T MDIR M1 Possible actions S Marker setting Set No symbol the state
116. e motion has been detected Setting the M6 auxiliary Marker after T1 Timer is turned on Checking after 200ms if a sensor at any of the sides detects motion 193 Sample applications Turning the door motor MIS fe limit position on or off L lt gt a depending on the Q2 Pa ee M6 R Starting T2 Timer in Single Pulse _ mode setting fixed door opening r RS time T2 SD 5s 000ms M5 _ Setting the M5 auxiliary Marker aan eae orn Turning Q1 off once the limit position A gt D a signalized by 14 is reached Q1 S Manual door opening movement aoe button pressed Q2 s Q1 R woe Manual mode of the door stop Q2 C R Q2 Manual opening of the door movement C S Pe ae button pressed NEED Programmable Relay User s Manual ver 1 5EN 194 Sample applications Out rs out Out lt gt _open Out _close Close Open r Z AUTO END 3 4 Ib i6 I7 l8 AAAAAAAA AAA o 1 2 _13 14 15 _ 16 17 18 _MODE anf RUN STOP 115 230V AC INPUT 8xAC Q_close OUTPUT 4xRELAY 10A 22 22 02 oD OO QO OO Q_alarm Fig 10 2 2 Sample electric connection diagram to control the automatic door operation NEED Programmable Relay User s Manual ver 1 5EN 195 Sample applications 10 3 School bells Quite frequently timers clocks are installed at schools plants
117. e opposite one NEED Programmable Relay User s Manual ver 1 5EN 37 NEED relay resources 4 5 3 Digital resetting outputs Symbols of digital resetting outputs STL LAD Q2 LRH R Q2 SYMBOL Qn n being the output number n 1 4 NEED x1 08 n 1 8 NEED x1 16 LOGICAL STATES 0 if the control state 1 occurred 4 5 4 Digital setting outputs Symbols of digital setting outputs STL LAD Q2 S Q2 sH SYMBOL Qn n being the output number n 1 4 NEED x1 08 n 1 8 NEED x1 16 LOGICAL STATES 1 if the control state 1 occurred 4 5 5 Normal digital outputs used for further control Symbols of normal digital outputs used for further control STL LAD A Q2 Q2 or 0 a2 aa or X Q2 SYMBOL Qn n being the output number n 1 4 NEED x1 08 n 1 8 NEED x1 16 LOGIC STATES T if the physical output state is 1 0 if the physical output state is 0 NEED Programmable Relay User s Manual ver 1 5EN 38 NEED relay resources 4 5 6 Inverted digital outputs used for further control Symbols of digital outputs used for further control STL LAD AN Q2 Q2 or ON Q2 or XN Q2 SYMBOL Qn n being the output number n 1 4 NEED x1 08 n 1 8 NEED x1 16 LOGICAL STATES 1 if the p
118. e to the pulse set in Pos 5 Single forced turn on of M2 and consequently enabling the Q2 output controlling the lamps 2 Such a solution does not prevent switching of Q2 by 15 Response to the pulse set in Pos 6 Single resetting of M2 and consequently resetting the Q2 output which controls the lamps 2 Controlling the output directly via M2 the Marker depends on the I5 input and is set and reset by the time H2 Clock Response to the button connected to 18 input Change in button state causes a change in the state of the M8 Marker Setting the delay if the automatic operation and the lamp 1 circuit are on then the fan is actuated with delay Pulse actuating the fan the delay set in Pos 14 is over Single setting of M8 in reaction to the enabling pulse of T6 set in the previous circuit Pos 15 Resetting the M8 Marker if the time of T3 has elapsed or the alarm is switched on Pos 4 in auto mode Direct fan control via M8 Marker i e via 18 button but also enabling the automatic operation by H1 Clock and switching off after the operation is over H1 OFF or if the alarm was armed before I6 ON Protection of circuits If the contact connected I1 is open then the Q1 Q2 and Q4 outputs are interlocked off contacts open Additionally through the use of A1 Comparator the outputs will be disconnected if the mains voltage is higher than the preset one according to the equipment configuration t
119. e use of a cable for programming and software diagnostic Name Designation NEED Programmable Relay See the type designation Programming and diagnostics cable NEED PC 15A RS232 with A type connector Programming and diagnostics cable NEED PC 15B RS232 with B type connector Programming and diagnostics cable USB NEED PC 15C with B type connector Memory card with A type connector NEED M 1K Memory card with B type connector NEED M 1KB Software NEED PC Need User s guide The NEED Programmable Relay User s Guide NEED with a type A programming and diagnostics connector can be programmed only by means of the type A programming cable The memory card must also be equipped with a type A connector The same applies to the NEED relay with B type connector Example4 When ordering relay type NEED 230AC 01 08 4R you can also order NEED PC 15A programming and diagnostics cable with type A connector NEED M 1K memory card with type A connector Example5 When ordering relay type NEED 230AC 11 08 4R you can also order NEED PC 15B programming and diagnostics cable with type B connector NEED M 1KB memory card with type B connector NEED Programmable Relay User s Manual ver 1 5EN 10 General Fig 2 3 2 Programming and diagnostics cable RS232 and memory with A type connecto
120. ected to the analogue inputs For voltage transducers generating voltage of 0 to 10V for the minimum and maximum value of the parameter converted a 100 point conversion characteristics is obtained OV Transducer 24V DC ERE BEES Frequency temperature pressure level position distance etc 0 10 V DC DDDODDOOO OC 24V0V OV 1 12 13 14 15 l6 I7 18 3 9 3 Analogue inputs transducer 0 10 Transducer 0 20 mA The NEED 24DC x1 8 4 and NEED 12DC x1 8 4 do not have a built in current voltage converter In order to use a transducer with current output of the range of 0 20 mA or 4 20 mA a simple current converting circuit must be used This can be obtained by measuring the voltage drop at the 5100 resistor constituting the transducer load The voltage drop is proportional to the value of the current according to the ratio 1 mA 0 5V The calculations account for the self resistance of the analogue input of the transducer NEED Programmable Relay User s Manual ver 1 5EN 26 Installation Characteristic conversion points for 24V DC version are ImA 0 5V 4mA gt 1 9V 10mA gt 4 9V 20mA gt 9 8V OV Transducer 24V DC Frequency temperature pressure level position distance etc OD OOOOD OO 24V0V OV 11 12 13 14 15 16 I7 I8 3 9 4 Analogue inputs transducer 0 20 mA for the NEED 24DC x1 08 4 version The NEED 24DC x1 16 8 and NEED 12DC x1
121. ed NEED Programmable Relay User s Manual ver 1 5EN 127 Installation and software description 6 INSTALLATION AND SOFTWARE DESCRIPTION PC Need is a computer program which can be used to edit compile and load programs to the memory of the programmable relay It additionally makes it possible to monitor the relay resources during operation which keeps the user informed on the states of inputs and outputs Timers Counters etc This ensures full control over the program being currently executed Simplicity and diversity of the program edition text or graphics features make PC Need a very convenient tool enabling very fast creation of even most complicated applications with shorter implementation times 6 1 Hardware requirements Any PC with RS232 or USB interface Operating system Windows NT Windows 98 Windows 2000 Windows XP Vista 6 2 Software installation 1 Place the installation CD in the CD ROM of your computer 2 If the installation is not started automatically find the setup exe file on the CD and double click it to start the installation 3 During setup select an appropriate folder to install PC Need application to If an option to put the icon on the desktop was selected then after successful installation PC Need an icon should be placed on your desktop PC Need can also be launched using an icon on the taskbar 6 3 Uninstalling In order to remove the program from your computer it s
122. elay Once the operation is performed a message is displayed to inform that the program writing is completed Press OK the program code is placed in the card memory Writing project to EEPROM x Operation finished Fig 9 3 1 2 Writing program window NEED Programmable Relay User s Manual ver 1 5EN 180 External memory 9 3 2 Writing settings If a memory card is connected to the programming cable terminal enable in the foreground with blue title bar the Settings window Then go to Device gt External memory gt Write Writing settings to EEPROM x Operation finished Fig 9 3 2 1 Writing settings window Upon opening the Writing relay settings window decide whether the settings are to be protected with a password and press Start button The password must be according to that written in the relay Otherwise the memory will not be copied Once the writing is finished a message is displayed to inform that the writing of settings is completed 9 3 3 EEPROM memory status To retrieve the memory status control option Relay gt External memory gt Status You can disable with the Disable button the Program or Settings partition or both Once e g the Program partition has been disabled Fig 9 3 3 2 only the data from the Settings partition will be copied to the NEED relay EEPROM memory status x EEPROM memory status x Partitions in EEPROM memory Partitions in EEPROM memory Device
123. elayed activation ON DELAYED Symbols of SD Timer STL LAD T1 L 10s SD T1 Q0 10s 000ms T1 RTI rH Time function performed If leading edge is present at the Trigger input while the Reset input is inactive then after a time period preset on the timer the Timer output is activated to the state 1 the Trigger input must remain in the high state Should the Trigger input change its state to 0 the time counter is automatically reset and the output is cleared If the Reset input is set to 1 the Timer is reset at any point of its operation to stop time measurement Output state returns to the original state 0 Time measurement is resumed only after the Reset signal is set to low and the positive edge is present at the Trigger input NEED Programmable Relay User s Manual ver 1 5EN 44 NEED relay resources 4 7 2 Timer Delayed deactivation OFF DELAYED Symbols of the SF Timer STL LAD T1 L 10s F SF T1 CsF 10s 000ms T1 RTI rH Time function performed If the Trigger input state is 1 with 0 state being present at he Reset input then the output is active If now the Trigger input goes to low state 0 trailing edge then after a time set on the Timer the Timer output is deactivated set to 0 Should the Trigger input change its state to 1 the time counter is automatically reset and the output is s
124. er Calendar MM Counter gt Comparator Remanent E Input settings Comparator settings amp 10 v Compare Jaina gt AS gt 0 0 Fig 4 11 5 An example of the A10 comparator configuration for comparison of two analog values input is equal to or greater than the value at the 115 analog input The A10 Comparator output is set to 1 when the voltage value at the 114 analog NEED Programmable Relay User s Manual ver 1 5EN 68 NEED relay resources If any analog input of the NEED relay is configured as a current input then only the voltage value is taken for comparison according to the following formula The comparator voltage value V 0 5 value of the current measured at the input mA This is linear scaling where 20mA is equal to 10V Example A current output sensor is connected to the 116 analog input We want the measured analog value for example pressure converted to current not to exceed 10mA The A1 comparator must be configured as shown in fig 4 11 6 according to the formula presented above 0 5 10mA 5V Enter 5 in the field on the left amp lNo file name SET iol x D Timer Calendar MM Counter gt Comparator Remanent E Input settings Comparator settings A f Compare ane v 50 v Fig 4 11 6 An example of the A1 comparator configuration in the PC Need program for th
125. erating time cycle time NEED Programmable Relay User s Manual ver 1 5EN 178 External memory 9 EXTERNAL MEMORY 9 1 Memory card In order to enhance the functionality of the NEED relay an external memory card NEED_M 1K is available The card is an EEPROM module of the capacity of 1 KB The memory can be used for copying the program to the NEED relay without the need to use a computer AY con Fig 9 1 1 External memory module top and bottom views The module is programmable using a cable for programming the NEED relay To this end place the module in the appropriate terminal in the programming cable plug Fig 9 1 2 It is also possible to read the settings saved in the memory partition Upon removing the programming cable from the plug place the programmed memory card in the relay in place of the programming cable plug the programming cable and the memory use the same terminal of the NEED relay Fig 9 1 2 External memory module installation place in the relay and the cable terminal Note The lead with inserted memory module should not be connected to the programming port and used for programming the relay Note Using the lead with inserted memory module for programming can result in uncontrolled data transmission to the relay or memory module O NEED Programmable Relay User s Manual ver 1 5EN 179 External memory 9 2 Storage organization The card memory is split into
126. ers obtained through Potentiometer settings Potentiometer range Range multiplier Number range X1 1 255 1 255 X10 10 2550 x 100 100 25500 5 1 2 21 2 3 Threshold values for Counters based on the voltage values on analog voltage inputs Time of statement execution 10 3us For setting thresholds for the Counter it is possible to use the values of voltages read from the 17 18 analog inputs in the NEED 12DC x1 08 4 NEED 24DC x1 08 4 version or 114 115 116 in the NEED 12DC x1 16 8 NEED 24DC x1 16 8 version In this case the lt value gt argument of the L statement can take the threshold values shown in the Table no 5 1 2 21 2 3 NEED Programmable Relay User s Manual ver 1 5EN 107 Programming languages Table 5 1 2 21 2 3 The L statement arguments for Counters obtained by reading the analog inputs The voltage range on Range multiplier General multiplier Number range the analog input V x1 1 255 0 1 25 5 x10 x 10 10 2550 in 0 1 steps x 100 100 25500 x1 1 255 0 05 12 75 x 10 x 20 10 2550 in 0 1 steps x 100 100 25500 The threshold set for the NEED 24DC x1 NEED 12DC x1 relays is calculated as follows Voltage values on the analog input V x range multiplier x general multiplier Counter threshold In the STL language syntax the A 7 or Al8 symbols are used for NEED 12DC 01 08 4 NEED 24DC 01 08 4 or Al14
127. es cones cxeascasessd gens ceetacateesdacescteegeummade 37 4 5 3 Digital resetting OUIDUIS ci dach womaisaadea hadi eatansunea wae 38 4 5 4 Digital setting OUlULS acc dontle et case domidacesnadelvacutentanvislcacedsieeaeeislencrtletanidsaias 38 4 5 5 Normal digital outputs used for further control ceccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeess 38 4 5 6 Inverted digital outputs used for further control cccccccceeccceceeeeeeeeeeeeeeeeeeeeeeees 39 AG MarkerS ene are a ea E ga sh deel sacs A E E EE A EA lee AEAEE RE Ea 39 4 6 1 MDIR marker tea nik cin oxen et Neri cate a tee ee es ek thers eet 40 4T MESo ea E guint Seno ateian E E R EE EE 43 4 7 1 Timer Delayed activation ON DELAYED ssssssssssserenessserrrrrrrnrresserrrerrnreeseee 44 4 7 2 Timer Delayed deactivation OFF DELAYED c cceeeeeeeeeeeenteeeeeeeeeteees 45 4 7 3 Timer Single PUlSe idi2ei sees ctecieessedicees caceveed sea eeees deaecuas ead sdeeldeactued ssbegenifaeteereetehae 45 4 7 4 Timer Pulses FLASHING scdescoccesecotecasensdarcscsateceessydeciieneeesacesedanaecncdereeeneierade 46 Pes OUNCES cates ee ae A ec eeg td ea eee ea dt dc EE E eee eee 47 49 COCKS cats acter a cece et atest a terse tlle extinct Scene eae ee oes eee Alcs ch ere a ee deree ds 49 49 17 COCK ODO TAON moriren ernten tae eA RNE DERE Cteeentenets 50 4 9 2 Remarks concerning Clock configuration sssssssssserrneesserrtrrrrnrrsserrrrrrrnne
128. eset 60 4A 10 Realtime doeka a a a a 63 4 11 Comparator analogue iNPuts cece ceeeeeeee eee eee eeeeceeaeeeeeeeeeeeeeeceaaeeeeeeeeeeteeeeaaees 64 4 12 Potentiometer sis 8 eaten a wetienea timate niac meth nies Oieeg aetna ance 69 4 13 Remanent values of the programmable relay ceeeeeeeeeeeeeee eee eeeeeeeeeeeeeeeeeteeeeaaees 70 NEED Programmable Relay User s Manual ver 1 5EN Contents 4 12 1 Remarks on remanent values cccccccccccccccccceeeeeeeeeeeeeeeeeeceeeeeeeeeeeeeseeeesseseness 71 5 PROGRAMMING LANGUAGES ccccccceeceeneee teeter ee eeeenaaeeeeeeeeeeeeccaaaeeeeeeeeeeessesaeeeeeeees 74 5 1 Text language STL programming ccccceeeeeeeeeeeeeceeeeeeeeeeeeeeaaaaeeeeeeeesenssaaaaeeeeees 74 5 1 1 STL program structure a siets da kessiiacceS cle akelsndsauleieaaveahuadeieakesheenlsaaidea ees 74 Ble Symbole NAMES anann e a a da daenda EA 77 5 1 2 Description of STL INStUCHONS scsrctticosscdeecedy co MGOirdes abv ced oa anti cuenta beta gts 78 Ble AA DAEA DTE lO A ASEA E sxaevnes hak iisbvaas dss EE E 78 5 1 2 2 AND parenthesis instruction sssssesssesenernreesserrenrrnrresserrrnrrnnnesserrrrrrnn 78 S23 AND NOT NStrUCtO Neresi runet eentenari teiaa tain Ena iaie iiti 81 5 1 2 4 AND NOT parenthesis instruction ssssseeeeeessesennrrnneesserrrrrrnneeserrrrrrre 81 5 1 2 AOR MSC Ne eee ran aneda A ia e EA ETEA NEA 82 5 1 2 6 OR parenthesis instruction osicctcccieehs
129. et back to high state 1 If the Reset input is set to 1 the Timer is reset to stop time measurement the Timer output state changing to 0 Time measurement is resumed only after the Reset signal is set to low 0 and a negative triggering edge is present at the Trigger input 4 7 3 Timer Single pulse Symbols of the SE Timer STL LAD T1 Lim CH 10s 000ms T1 RTI rH Time function performed If the triggering signal leading edge appears at the Trigger input the Reset input being inactive then the system activates the output for the time set and returns to 0 state afterwards state of the Trigger at that time is of no importance it can have the value of 0 Each positive edge at the Trigger input extends the pulse by another time set Setting of the Reset input at any time point resets the Timer output state to 0 Next triggering can occur after the Reset input is set to 0 and another leading edge appears at the Trigger input NEED Programmable Relay User s Manual ver 1 5EN 45 NEED relay resources 4 7 4 Timer Pulses FLASHING Symbols of the SL Timer STL LAD T1 L10s SL SL T1 lt gt a 10s 000ms T1 RTI rH Time function performed The Timer acts as a square wave generator of pulse width modulation of 50 The system starts to generate pulses of the preset duration time when the Trigger input state
130. etailed description is provided in chapter 5 1 2 21 2 The L instruction for Meters The DC NEED x1 16 8 versions are equipped with a HC1 Counter HC1 counting pulses with a frequency of up to 20kHz HC1 is a hardware based Counter counting pulses appearing on the 111 input The CU CD inputs in addition to the counting function also provide the function for activating the Quick counter The Quick Counter can run in the frequency mode it counts pulses appearing at the 111 input during 1second The Quick counter never overflows The counting threshold can be set in the range of 0 65535 Performing a Reset operation of a Quick counter rests the status and number of counted pulses network frequency 50Hz or 60HZ if the 111 input is active Fast meter may be used as an additional timer because the network frequency is known and constant If threshold 1000 then in the case of 50Hz the meter will switch after 100 x 20ms 20s For the NEED 230AC x1 16 8 version the HC1 Quick Counter measures the NEED Programmable Relay User s Manual ver 1 5EN 121 Programming languages 5 2 7 6 Sample configurations Example 1 SL Timer Pulses Pulse generator Q1 output Aes Q1 T4 m sL 100ms Function Period If the state of Q1 input element output 1 being duration the condition for the generator functioning is 1 then the T4 output can be used as a generator of square wave of the pulse width modul
131. for TiMMG0 Si scins catvodss senvecvaceavesaisanibdvisaseedassancdsondearedabaaees 103 5 1 2 21 1 1 Constant time values for TiMers cc ccccceeeeeeeeeeeeeeeeeeeeeeeeenneeeeeeees 103 5 1 2 21 1 2 Time values for Timers based on the Potentiometer setting 103 5 1 2 21 1 3 Time values for Timers based on the voltage values on analog VONAGE INPUTS seniai incre csteel Greatest To uad eve aeaceenn Get otehien E 104 5 1 2 21 1 4 Time values for Timers based on the current values on current analog NUNS ere rnae beat enna eae e cha eds E a A EE 105 5 1 2 21 2 L statement for Counters ssesssesseserrneeesseerrerrnnrrsserrrnrrrnneeserrrnne 106 5 1 2 21 2 1 Constant threshold values for counters ssseseeeeessesesrrrrreeserrree 106 5 1 2 21 2 2 Threshold values for counters defined according to the Potentiometer SENG ee a a a a a e aea eiaa 107 5 1 2 21 2 3 Threshold values for Counters based on the voltage values on analog yota gene e e a E A a arg a A a Aetna 107 NMOL E E E E EEEE E 107 5 1 2 21 2 4 Threshold values for Counters based on the voltage values on 108 current analog INDUS 5 gsc fetes receieeet dats ce denvocateatvncledtrdmentiaaet nercoetraethheaiuact eens 108 5 1 2 22 Always setting instruction SET cccccceeeeeeesesecceeeeeeeeeeeseesseeeeeeeees 111 5 1 2 23 Always clearing instruction CLR cccccceeeeeeeeeeeeeeeeeeeeeeeeeeenneeeeeeees 112 5 2 Programming in LAD gra
132. g inputs for the NEED 220DC x1 16 8 version In relays of this type these are the last three inputs no 114 115 and 116 NEED Programmable Relay User s Manual ver 1 5EN 24 Installation 220V OV Potentiometer 4 OD DODO 220V 0V OV 1 12 114 115 116 Fig 3 8 1 Analogue inputs NEED 220DC x1 16 8 Note Remember that the parts connected must be of appropriate power and rated operating voltage Note Remember that the analogue input is power consuming which may cause the measurement results to be inaccurate if the self impedance of the source of the voltage measured is too high Caution Components such as potentiometers switches etc must be carefully insulated due to the electric shock hazard Pas 3 9 Analogue 24V 12V DC input connection The range of input signals for analog inputs configured as voltage inputs is O 25 5V DC in 0 1V steps or 0 12 75V in 0 05V steps The range of input signals for analog inputs configured as current inputs is 0 51 mA in 0 2 mA steps or 0 25 5 mA in 0 1 mA steps Accuracy of 2 of the measurement range value Resolution of analog inputs 8 bit i Analogue inputs can be used as discrete ones In such a case discrete input connection principles must be followed see above Analog inputs are I7 and 18 for the DC NEED x1 8 version and 114 115 116 for the NEED x1 16 version The diagram below presents a circuit for setting the
133. g value present on Al16 multiplied by 10 range multiplier 0 1 25 5V x 10 general multiplier toggling its output state from 0 to high 1 5 1 2 21 3 Remarks concerning the use of L instruction 1 If no Load statement was performed in the program then the time values measured by Timers and the threshold values for Counters are defined in the PC Need program in the set configuration file e g A I3 SE T2 A I5 CD C2 In the example above the T2 Timer will measure the time of 1s set in the PC Need program whereas the Counter will set clear its output at the threshold of 21 The following configurations are set in fig 5 1 2 21 3 1 and fig 5 1 2 21 3 2 amp lNo file name SET 215 x Timer Calendar Counter gt Comparator Remanent E Input settings m Timer settings T 2 Time Chm C ms f sms 0 H x40ms Fig 5 1 2 21 3 1 Time setting for T2 Timer NEED Programmable Relay User s Manual ver 1 5EN 110 Programming languages amp lNo file name SET alo x D Timer amp Calendar W Counter gt Comparator Remanent E Input settings Counter settings Le 2 gt m Threshold 0 65535 21 Fig 5 1 2 21 3 2 Time setting for C2 Counter 2 If a Load statement was performed in the program then all time values to be measured by Timers and values to be counted by Counters are def
134. ging the input circuits of the programmable relay Inputs are not electrically isolated from the electrical system powering the relay Note Feeding a voltage higher than the maximum permissible between the 11 In The following contact parts can be connected to the inputs push buttons normally open normally closed connectors switches relay contacts photocells and others detectors 220V D Input signal voltage ranges according to EN 61131 standard Input off O to 40 V DC logical 0 Input on 85 to 260 V DC logical 1 Input current for the NEED 220DC x1 08 4 11 to 16 0 6 mA at 220 V DC I7 18 1 1 mA at 220 V DC Input current for the NEED 220DC x1 16 8 11 113 0 6mA at220 VDC 14 115 116 1 1 mA at220 VDC Do not use excessively long leads due to their capacitance and susceptibility to electromagnetic interference which can lead to uncontrolled states of logic inputs e g signaling of an ON state of the input Lengths of cables which can be connected depend on the internal input system lead of up to 10 meters can be connected to inputs with normal noise immunity measurement was made for the worst case of running the parallel to each other for example with a two wire cable a shielded cable of the length of up to 10 m can be connected to analogue inputs NEED Programmable Relay User s Manual ver 1 5EN 20 Installation Inputs are of resistance type Inputs no I7 and 18 for the NEED 220DC
135. grammable relay Each of 8 Timers can be used in one of the following configurations ON DELAYED OFF DELAYED SINGLE PULSE FLASHING The Logical structure of a Timer comprises inputs outputs operating mode and a time value to be measured Timer inputs and outputs can be logically combined also via bit signals 1 Q M Inputs Inputs are composed of TRIGGER input this input actuates the operation of the Timer e g starts the time measurement RESET input causes the timer s output to be set to low state 0 and stops the time measurement INPUTS OUTPUT i Time value to be measured Fig 4 7 1 Logical structure of the Timer Time to be measured The time to be measured by the Timers is set by using appropriate loading instructions STL LAD Time range of Timers is shown in table 4 7 Mode Type of Timer operation e g delayed actuation single pulse etc NEED Programmable Relay User s Manual ver 1 5EN 43 NEED relay resources Table 4 7 Time ranges of timers Time format Range Increment s ms seconds milliseconds Os 10ms 99s 990ms 10ms min s minutes seconds Omin 1s 99min 59s 1s h min hours minutes Oh 1min 99h 59min min Outputs Timer output is set or reset depending on the time function selected Timer type Timer outputs can be used in the program as markers by replacing the letter M in the designation with the letter T 4 7 1 Timer D
136. gs r Calendar settings H h gt r Channel amp Channel C Day 1 gt Day 2 Day Sun E Day 2 Thu r HH MM of al a Fig 4 9 2 1 1 Sample Clock configuration ON field blank The Clock will turn its output on from Sunday to Tuesday at 10 a m 2 All fields filled OFF field blank Example No file name SET Pla kr D Timers amp Calendar sun Counters gt Comparators Remanent E Input settings r Calendar settings H h gt r Channel amp Channel C Day 1 gt Day 2 gt Day 1 Sun bi Day 2 Thu r HH MM JEE Fig 4 9 2 1 2 Sample Clock configuration 3 fields filled NEED Programmable Relay User s Manual ver 1 5EN 60 NEED relay resources From Sunday to Tuesday the Clock will turn its output on at 5 00 a m If only the ON time is set the Clock will remain on all the time 3 All fields filled Day 1 field blank Example amp lNo file name SET amp Timers lt Calendar sun Counters gt Comparators Remanent T Input settings Calendar settings H f x r Channel 4 Day 1 Day 2 Tue Me HH MM _ Fig 4 9 2 1 3 Sample Clock configuration Day 1 field blank The Clock will enable its output only on Tuesdays at 5 00 a m and will disable it only on Tuesdays at 2 p m 4
137. h down W West left N North up E East right It is also possible to delete a connection To this end select mark a cell where the connection is located select highlight Delete from the drop down menu right click menu Once the command is left clicked the object will be deleted Area editing The PC Need program enables editing of the LAD project by deleting moving and copying the selected area The copy area is a rectangular made of the connection grid squares The selection is made using left mouse button while the right button opens the drop down menu with a list of options Cut Ctrl x Copy Ctrl C Paste Ctrl V Clear Delete Delete row Insert row Fig 6 8 4 5 Row selection and the choice of options e Cut the selected dark background row or area may be moved elsewhere using the Cut option and then by pointing to the starting left grid square of the target location and performing the Paste operation e Copy the selected area may be copied elsewhere using the Copy option and then by pointing to the starting left grid square of the target location and performing the Paste operation Delete the selected area may be deleted the grid will be empty Delete row the selected row will be deleted e Insert row an empty row will be placed in the selected location NEED Programmable Relay User s Manual ver 1 5EN 149 Installation and software description Changing the input type
138. he Counter is greater than or equal to 100 If the L statement is not used then the threshold value after which the Fast Counter sets its output to the high state will be based on the set configuration file the Settings window in the PC Need program The Fast Counter counts up and down After reaching the maximum value 65535 starts counting from zero after performing the reset function The Fast Counter can also measure the frequency the corresponding mode of operation will be set by means of the PC Need program configuration window The maximum guaranteed frequency of operation of the Fast Counter is 20kHz Fig 5 1 2 18 3 1 shows an example of the HC1 Fast Counter settings window No file name SET ioj x Timer Calendar M Counter gt Comparator Remanent Input settings Counter settings C f gt HC f gt Threshold Threshold 0 65535 100 0 65535 65535 t Hz V Fig 5 1 2 18 3 1 HC1 Quick Counter configuration window example NEED Programmable Relay User s Manual ver 1 5EN 98 Programming languages In the aforementioned example the Quick counter will set its output to the high state if the if the number of pulses counted during 1 second is greater than or equal to 100 2 One switching threshold In order to set one threshold that switches the Counter output to high state the same arguments v
139. he calibration value for I7 214 Sample applications Turn on off circuit 1 buttons Al3 FP M1 Turn on off circuit 2 button A I5 FP M2 Auto power on at preset time Circuit L1 actuating pulse A l2 A H1 L 200ms SE T1 Power off at preset time or using the alarm system L1 circuit in auto mode AN H1 O I6 M10 A 12 A M10 L 200ms SET3 Power on at preset time L2 circuit actuating pulse A H2 L 200ms SE T2 Power off at preset time L2 circuit AN H2 L 200ms SE T4 Circuit 1 power on AT1 S M1 Circuit 1 power off AT3 R M1 Q1 output O M1 Q1 NEED Programmable Relay User s Manual ver 1 5EN Response to buttons connected to I3 input Change in button state causes a change in the state of the M1 Marker Response to buttons connected to I5 input Change in button state causes a change in the state of the M2 Marker Power on at preset time for lamp circuit 1 in auto mode Actuating pulse of the length of 200ms pulse contact simulation ON state only during the triggering Power off at preset time or using the contact alarm system armed for lamp circuit 1 in auto mode disabling pulse of the duration of 200ms M10 logical sum of the off time H1 and l6 someone armed the alarm system before If 12 input is on auto T3 disabling pulse is generated Power on at preset time for lamp circuit 2 Ac
140. he previous one has not left it or the belt conveyor flight is full cars queuing around the bend Additionally the cars can be removed when in the bend but they have to be returned To perform the task several control components will be necessary which are demonstratively presented in Fig 10 5 sensors inputs 11 and 12 outputs Q1 Q2 and Q3 Connect the sensors outputs to the programmable relay inputs as follows 11 input inductive sensor to detect a car 230V AC PNP I2 input inductive sensor to detect a queue and the transfer of a car to the other side of the belt conveyor 230 V AC PNP Q1 output coil of the solenoid valve which controls the S1 pneumatic cylinder 230V AC Q2 output starting up M1 motor Q3 output lamp to signal if the number of cars put on the conveyor is equal to the number of those coming off the conveyor Belt conveyor core 4 a Fig 10 5 1 Controlling the belt conveyor bend NEED Programmable Relay User s Manual ver 1 5EN 207 Sample applications Sensor 1 Sensor 2 11 2 38 4 I i6 I7 18 OQOOOOOGOGO ol orreee o 115 230V AC INPUT 8xAC 2 repa a2 a4 em E ec E OUTPUT 4xRELAY 10A o 22 22 22 go 22 22 O go ae DO Fig 10 5 2 Controlling the belt conveyor bend electrical diagram Below please find programs written in LAD and STL languages Numbers in the first colum
141. hould be uninstalled automatically using Start gt Programs gt Relpol gt Uninstall PC Need Selection of that option will result in the program being uninstalled 6 4 Connecting the PC to the programmable relay The programmable should be connected to the PC using a dedicated cable RS232 or USB Transmi sion cable 2 cies Y 80 L0 IVOEZ OIIN 10da Fig 6 4 Connecting NEED programmable relay with the PC interchanged when connecting to the power supply terminals of the programmable f Should the power supply conductors i e the phase L and neutral N conductors be relay dangerous voltages can be present at the communication terminal of the relay NEED Programmable Relay User s Manual ver 1 5EN 128 Installation and software description 6 5 Quick start creating the application In order to create a specific control application based on the programmable relay an appropriate program must be written first There are two editors available in PC Need text editor to edit STL programs graphics editor to edit LAD programs Depending on the editor used the programs are written as files with stn extension STL text editor or dn extension LAD graphics editor Setup file set is used to edit the NEED relay resources adjustment of Clock ON times adjustment of comparison relations for the Comparators values to be counted and operating modes for the Counters time to be measured
142. hysical output state is 0 0 if the physical output state is 1 4 6 Markers A Marker is a logical element which is treated as a variable used in the program It has its internal state 0 or 1 No specific input or output can be physically connected with a marker but it can be used for connecting logical program structures Thus markers can be treated as 16 reserved bits which can be referred to as inputs or outputs i e they are subject to the same operations instructions as the inputs and outputs are but they have no physical representation in the form of contacts The marker symbol M appears in the syntax of the instruction or the graphic to replace the letter or Q SYMBOL Mn n being the number within the range of 1 to 16 LOGICAL STATES 0 or 1 depending on the function in the program Symbols of Markers STL LAD M2 md H M1 FP M1 C rH M8 R M8 rH NEED Programmable Relay User s Manual ver 1 5EN 39 NEED relay resources Symbols of markers ctd STL LAD SM4 sH A M2 M2 or oe or X M2 AN M9 zo XN M9 4 6 1 MDIR marker For the NEED 230VAC x1 16 8 version in addition to the aforementioned 16 Ci Markers the MDIR Marker also exists The MDIR Marker defines the direction of phases no L1 L2 L3 connected to the 114 115 116 inputs If phase L1 is connected to
143. ile type gt Save saving the file to disc gt Save as saving the file to disc by creating a new file gt Document information on the software being created to print table gt Page setup gt Print preview gt Print printing the document gt Recent projects shortcuts to the most recent projects gt Exit Alt F4 ending the work with NEED program edition commands gt Undo undoes the last operation gt Redo redoes the undone operation gt Cut cutting the selected content gt Copy copying the selected content gt Paste inserting the content in the selected place gt Delete deleting the selected content gt Search search window STL LAD gt Find next searching for the next same element STL LAD gt Replace possibility to replace the element with a different one setting the NEED program window parameters active if edited open in the LAD ladder language gt Zoom matching the area in the LAD editor window gt gt Zoom in increasing the size gt gt Zoom out decreasing the size gt gt Normal default size gt STL window displays STL window with resultant compilation code of LAD language Device set of relay operation features gt Transmission support of the relay communication gt gt Write to the relay program compilation and sending the program executive code to the relay or saving of the new settings depending on the window curren
144. in s minutes seconds Omin 1s 99min 59s 1s 2min 32min 98min 24s h min hours minutes Oh 1min 99h 59min 1min 1h 5h 18min L 100ms The value of 100ms will be loaded into the T1 Timer running in the SL mode SL T1 L 10min The value of 10 min will be loaded into the T2 Timer running in the SD mode SD T2 L 1h 34min Timer T8 running in the SF mode will be loaded with SF T8 1h 34min 5 1 2 21 1 2 Time values for Timers based on the Potentiometer setting Time of statement execution 10 3us You can also use the value read from the Potentiometer as the time to be measured by Timers then the lt value gt argument of the L statement can take the following values please refer to Table 5 1 2 21 2 1 x10ms L Pot x10ms Time to be measured current Potentiometer value 1 255 x10ms e g when the Potentiometer set value 25 then the time to be measured 25x10ms 250ms 2 x100ms L Pot x100ms Time to be measured current Potentiometer value 1 255 x100ms e g when the Potentiometer set value 15 then the time to be measured 15x100ms 1500ms 1 5s NEED Programmable Relay User s Manual ver 1 5EN 103 Programming languages 3 xis L Pot x1s Time to be measured current Potentiometer value 1 255 x1s e g when the Potentiometer set value 10 then the time to be measured 10x1s 10s 4 x10s L Potx10s Time to be measured current Potentiometer value 1 2
145. ined by this statement A I3 SE T2 Als L 1min SE T3 Als SE T4 In the example above triggering of the T2 Timer with the ramp up on the I3 input will cause T2 to measure the time set in the PC Need program in the configuration file If a rising edge appears at the 18 input then the T3 Timer will measure the time defined in the Load statement 1min and the T4 Timer will measure the time set in the set settings file 5 1 2 22 Always setting instruction SET SET instruction permanently sets the state to high 1 SYMBOL SET SYNTAX SET Instruction execution time 8 9us SET instruction is unconditional always executed and it permanently sets the logical state of 1 in the conditional part of the circuit Example SET Q4 SL T1 S M16 NEED Programmable Relay User s Manual ver 1 5EN 111 Programming languages Upon execution of that instruction Q4 output and M16 Marker will be permanently set to high state 1 while the T1 Timer will be permanently released to operate in the pulse generator mode 5 1 2 23 Always clearing instruction CLR CLR instruction permanently sets the state to low 0 SYMBOL CLR SYNTAX CLR Instruction execution time 8 9us CLR instruction is unconditional always executed and it permanently sets the logical state of 0 in the conditional part of the circuit Example CLR Q4 M1 SL T1 Upon exe
146. ings Calendar settings H fa Channel 4 _ Channel B r Channel C _ Channel D Day Sun Day4 wea Day1 jMon Day 1 Day 2 Fri v Day 2 Thu v Day2 Tue Day 2 v HH MM HH MM HH MM HH MM on 10 Joo gt On 17 foo gt on 15 gt foo gt on Off fis Joo gt oft fis gt Joo gt off 16 gt 20 gt oft gt Fig 4 9 13 Clock 4 sample configuration window Please note that the times preset in channels A and C are the same Fig 4 9 14 1 H4 o 4 H4 o 10 00 H Ne Tutaj Zegar jest 4 Tutaj zegar A poe S 7 wy czony byt ju i w czony i A Tuesday 0 10 00 1 00 16 30 H Wednesday H4 m 10 00 16 00 17 00 18 00 4 Thursday H4 o 10 00 16 00 17 00 18 00 4 Friday H4 0D 10 00 16 00 Fig 4 9 14 Operation of Clock 4 in the configuration shown in Fig 4 9 13 As the clock time settings may overlap it must be always taken into account that the clock output turns on that channel the turn on time of which is earlier and it turns off the channel the turn off time of which is earlier NEED Programmable Relay User s Manual ver 1 5EN 57 NEED relay resources Example 7 Let s analyse the configuration of Clock 4 shown in Fig 4 9 15 amp lNo file name SET 5 x D Timers lt Calendar sun Counters gt Comparators
147. intended function the recommended maximum value is 6A Should the protection be common for inputs and outputs the protection current of the programmable relay power supply of min 1A must be taken into account N L aa s 7 Fuse min 1A h max 16A E characteristics B C ODODO DDOD L N N Fig 3 11 1 Programmable relay power supply 115 230 V AC 3 12 220 DC power supply connection A Supply voltage is dangerous to life User s safety depends on the quality of the connections NEED Programmable Relay User s Manual ver 1 5EN 29 Installation Interchanging the connections of conductors to the power supply inputs of the programmable relay may result in dangerous voltages being present on the I1 In input terminals and the communication ports and in non detection of logic states Rated supply voltage 220V DC Note Feeding a voltage higher than the maximum permissible between the 220V and OV terminals can result in damaging the programmable relay Protect the programmable relay with a fuse of rated current of 1A Certainly the protection level cannot be excessively high as it will not perform the intended function the recommended maximum value is 16A Should the protection be common for inputs and outputs the protection current of the programmable relay power supply of min 1A must be taken into account oV Fuse min 1A max 16A ODODO OOOO 220V0V OV I1 Fig
148. ion against reading and saving the program in the programmable relay gt gt Input inputting password to be verified against the password in the relay gt gt Change change of the existing password including verification Tools set of functions to start the application gt Compilation program compilation gt Element settings opening the window with contact parameters LED editor gt Preview of variables opening the window to preview current values of variables in the relay Enabling the preview Device gt Run It must be entered in the table which variables are subject to reading gt Symbolic IDs changing variable display method registers symbol names Configuration PC Need options gt Options Access to programme options including selection of communication port options of editors General selection of communication port decision to open files from the previous session cancelling the password protection STL editor default or own editor settings LAD editor default or own editor settings gt LAD project window opening options of saving the program code and settings and the decision to open STL window after compilation of LAD program gt Language changing Windows managing the open windows in the workspace of the NEED program gt Cascade stacking the windows gt Tile arranging the windows side by side gt Windows info Help help file and informa
149. ion of the time necessary for load stabilization L2S T1 Timer 2 seconds M5 Marker means a program start SET1 S M5 2 M2 Marker is set if the time necessary for the first enabling of the load has AN T1 elapsed and the load current is not exceeded A2 1 A M5 A A2 3 ane Locking time for the output if the allowed current level has been exceeded A A2 L 10s 4 SF T2 Controlling the output which enables the load The output is on after 2 seconds from the power on T1 or depending on the M2 Marker current AN TI control The output is locked by the time delay enabling T2 once the A2 Res comparison condition is exceeded current value exceeded 5 i Q1 Output is off the control program starts from the beginning AN Q1 6 RMS Signal output on if the load is disconnected AT2 AN Q1 7 Q2 ra Additional automatic step system setting the on time at 30 seconds L 30s SE T5 8 Additional automatic step system lamp control by Q4 AT5 Q4 Remark to the program Please note that the M5 Marker cannot be set as remanent in the configuration its state should not be remembered after power on NEED Programmable Relay User s Manual ver 1 5EN 219 Sample applications LAD program M5 T1 1 SE 2s M5 s2 HK HEC gt T2 a e H gt jc mece a a Remarks to the program Relay power on Input function of the time necessary for load stabilization T1 Timer 2 seconds
150. is 1 Durations of 1 and 0 states are equal and the operating frequency for that Timer type is f 1 2T T being the preset time to be measured by the Timer Setting the Reset input state to high results in immediate setting of the output state to low When the Trigger signal goes to low the Timer output also goes to 0 The interdependence between the Trigger and Reset inputs and the Timer output are as follows e Once the state 1 is sent to the Trigger the Reset input being at 0 the output first remains in the 0 state for the time period preset previously and then goes to 1 the cycle being repeated afterwards e f both Trigger and Reset are set to high at the same time then the output is 0 Once the Reset goes to low state the Trigger remaining at 1 the system activates the output to the time set and deactivates it afterwards the cycle being repeated NEED Programmable Relay User s Manual ver 1 5EN 46 NEED relay resources 4 8 Counters SYMBOL Cn n being the Counter number within the range of 1 to 8 LOGICAL STATES OF INPUTS CU CD RESET 0 or 1 depending on the function in the program LOGICAL STATES OF OUTPUT 0 or 1 depending on the function in the program RANGE OF VALUES COUNTED 0 65535 The counter counts the pulses that occur during the presence of the leading edge at that input which triggers the counting
151. lay Program stop Sets RUN mode in the relay Program start NEED Programmable Relay User s Manual ver 1 5EN 139 Installation and software description 6 6 4 Keyboard shortcuts PC Need provides access to most commands through keyboard shortcuts The following are functions assigned to keys or key combinations PC Need pA Display the online help F3 Find the next occurrence of a word in STL or an item in LAD The Find window must be displayed first F5 Save data to the relay STL or LAD and or SET F6 Read data from the relay SET F7 Compile F11 Display the settings window for the active LAD window F12 Display the variable view window CTRL N New Project window CTRL O Open File window CTRL S Save the file in the active window CTRL P Print the document ALT F4 Exit the NEED program CTRL 4 27 Undo CTRL Y Redo CTRL X Cut CTRL X Cut CTRL C Copy CTRL INSERT Copy CTRL V Paste SHIFT INSERT Paste CTRL NUM Enlarge the window contents normal zoom CTRL NUM Reduce the window contents reduce the zoom CTRL NUM Default size of window contents enlarge zoom CTRL T Set the STOP mode in the relay CTRL R Set the RUN mode in the relay CTRL ALT R Relay reset SHIFT CTRL Z Open the relay time management window NEED Programmable Relay User s Manual ver 1 5EN 140 Installation and software description CTRL SHIFT I Inf
152. lling the described fields or selecting values from drop down menus NEED Programmable Relay User s Manual ver 1 5EN 156 Installation and software description PC Need Edit View Relay Tools Config Windows DER Help Gh ERE 2 C WNeed Program1 ldn i LAD related settings E C Need Program1 ldn D Timer D Calendar MM Counter gt Dl e va C Need Settings1 set H A Qa mm SFU Seles Name of the independent settings file The same name ESA Timer Calendar M Counter gt Comparator Timer Settings IR f v Settings for program LAD Chm Cms sms 4 z 4 x10 ms us NEED 24DC 1 16 8 Timer Settings Has h 7 Time Chm Cms C sms s4 h s m Independent settings Fig 6 9 1 4 Differences in settings 6 9 2 Timer settings Select the Timer number assign a range to it hours minutes minutes seconds seconds milliseconds x 10 and enter the set time value in the editable fields E C Need Set1 set Timers D Calendar Eii Counters gt Comparators Remanent E Input settings Timer settings T 2 Timer selection Time Chm ms sims 14s 50 xom Time edition Fig 6 9 2 1 Settings of Timers NEED Programmable Relay User s Manual ver 1 5EN 157 Installation and software description 6 9 3 Clock settings Select the Clock number H1 H4 and edi
153. m has no name No name LAD it must be saved under an appropriate name To do so go to File menu and select Save As option PC Need view Relay Tools Config Windows Help cH ke EIS S PIQRQ e amp am Sl F RZO E Open Ctrl 0 gs aoe W No file name LAD ave r Document Page Setup Print Preview Fig 6 8 2 1 Save As window Clicking the left mouse button opens the Save file window Save file Zapisz w S NEED ey EB 1 ldn B 24h ldn Moje bie ce example ldn dokumenty motor control ldn 3 JES PNEN Idn 3 IE MpocmoTtp ldn Pulpit Moje dokumenty U ag M j komputer Moje miejsca Nazwa pliku Program Idn sieciowe Zapisz jako typ LAD X Fig 6 8 2 2 LAD Save file window Select file location access path here Save in NEED File name enter e g Program1 Save as type LAD default file name extension ldn and confirm the operating by clicking Save button NEED Programmable Relay User s Manual ver 1 5EN 146 Installation and software description 6 8 3 Opening an existing program In order to open an existing document go to File menu and select Open A standard file manager window is opened see above Select the file with dn extension A similar result can be achieved by clicking in the toolbar or using a keyboard shortcut Ctrl O 6 8 4 Program edition Create a new LAD program from File menu see 6 8 1 and name
154. memory one of the relay operating modes in which the program is normally processed text relay programming language one of the relay operating modes in which the program is not executed by the relay relay outputs are cut off logical element of the relay internal resources used in program for performance of time control functions input actuating the time measurement by the Timers physical relay input for connecting external signals coming from sensors contacts etc physical relay input for connecting analogue signals Output physical relay output for connecting controlled devices lamps contactors solenoid valves etc Remanent resources logical elements of the relay which remember their state after power off NEED Programmable Relay User s Manual ver 1 5EN 238 Glossary Clock logical element of the relay internal resources used in program for performance of control functions utilizing real time Marker logical element of the relay internal resources used in program for performance of control function NEED Programmable Relay User s Manual ver 1 5EN 239 Index 12 INDEX Statement 89 AND A 78 AND NOT AN 81 AND NOT AN 81 AND A 78 ASYM 65 Bolt fixing 15 CD Counter instruction 97 Clock instructions 101 Clocks 49 CLR instruction 112 Comparator comparisons 64 Configuration Clock 51 Connection analogue inputs
155. mmable Relay User s Manual ver 1 5EN For measuring time for Timers it is possible to use the values of voltages read from the I7 18 analog inputs in the NEED 12DC x1 08 4 NEED 24DC x1 08 4 version or 114 115 116 in the NEED 12DC x1 16 8 NEED 24DC x1 16 8 version It is described in more details in Section 5 1 2 21 1 L statement for Timers 120 Programming languages 5 2 7 5 Configuration of Counters Counters are presented using the same graphic symbol which are used for outputs see Fig 5 2 7 5 Expected Counter operation determines the symbol to be used inside the graphic designation of the Counter The letter C which stands for Counter and Counter number are placed above the graphic symbol 1 H A Q M C HC T MDIR C1 C8 HC1 Heen C 234 Count threshold CU CD C 15 Available settings Pot x1 Numerical value C 0 65535 Value read from the potentiometer Pot x1 x10 x100 Fast meter HC1 Potentiometer is adjustable in the range of counting impulses 1 255 at input 111 Value read from analog input only DC versions Al7 or Al8 x1 x10 x100 8 input versions F Al14 Al15 A116 x1 x10 x100 16 input oes ae ee versions Fig 5 2 7 5 Configuration of Counters The voltage values read from analog inputs 17 18 for NEED 12DC x1 08 4 NEED 24DC x1 08 4 or 114 115 116 for NEED 12DC x1 16 8 NEED 24DC x1 16 8 may be used for setting the Meter threshold A more d
156. n are used to designate individual program loops in order to compare LAD and STL records They are not parts of the program In the normal STL notation spaces between the instructions are not necessary however they improve the clarity of the program Additionally comments can be entered to allow the analysis tracking of the program and facilitate later modifications NEED Programmable Relay User s Manual ver 1 5EN 208 Sample applications LAD program 10 F Hk 4 IHH Ke i x HW gt 5 D C 1 M8 D M2 C1 _ __c D C 1 12 gt C 1 C1 gt NEED Programmable Relay User s Manual ver 1 5EN If a car is present the Car sensor is on 11 input and there is no queue around the bend I2 input is off then the M1 Marker is set car to be transferred Time necessary to release the car open the interlock is set The time is the state of 11 input car sensor plus 200 ms Car interlock is released power is supplied to Q1 solenoid valve coil for a period equal to the duration of l1 sensor on state 200ms Car release operation is marked car is in the turning area Power is supplied to the turntable raceway motor only when there is a car to be transferred The car has exited the turning area actuation of 2 input Queue sensor results in resetting of the Markers of the previous operations The car control program is ended at this point the 4 remai
157. n of variables to be previewed is made by entering those variables in the Res Number column Fig 6 10 1 illustrates the entering of I3 variable In order to enter a new variable double click the left mouse button or press Enter on the first free cell in the Res Number column Mnemonic utilized for writing of programs and the following symbols are used POT Potentiometer Al7 Al8 voltage values at the input terminals I7 and I8 respectively Al14 Al15 Al16 voltage values at the input terminals 114 and I15 I16 respectively RTC Real time clock HC fast meter gauge of frequencies 0 20 kHz MDIR system phase direction marker The green highlight color in the Variable column and the Online label on the status bar highlighted with green color means the relay operates in the RUN mode Red highlight color signals the relay s STOP mode The binary variables with the value 1 in the Status column are highlighted with green color The connection with the relay is signaled on the status bar e For active view of variables and RUN mode NEED 24DC x1 16 8 USB e For active view of variables and STOP mode NEED 24DC X1 16 8 USB Ii 3 Variable View Variable State Current SL 4114 gt 0 0 0 HC 30 09 2008 12 28 50 Fig 6 10 1 Preview of variables The variable entered can be changed or replaced with another one The State column shows the read value of 0 or 1 for binary variables NEED Progr
158. n subsequent logical operations for example in the program Alt A O M1 O M2 Q1 itis equivalent to 1 AND M1 OR M2 Q1 logical operation and logical states M1 0 M2 0 11 1 Thus it can be noted that All AT A A 0 because 0 O 0 0 O M1 O M2 Q1 0 Which means that for the states analysed the Q1 output state will be 0 while in case of states M1 1 M2 0 11 1 the following results are produced All AT A A T because 1 O 0 1 O M1 O M2 Q1 1 NEED Programmable Relay User s Manual ver 1 5EN 79 Programming languages Example STL Relay diagram A l6 M1 Q1 A I7 I6 I7 A PO O r O M2 Q1 Result of operation A O M1 1 ou 0D Fig 5 1 2 2 2 Sample time series at 16 17 M1 and M2 inputs and Q1 output Q1 output will be set state 1 when states of I6 and I7 inputs are high and one of the Markers M1 or M2 is at state 1 NEED Programmable Relay User s Manual ver 1 5EN 80 Programming languages 5 1 2 3 AND NOT instruction SYMBOL AN AN instruction is a logical instruction of AND NOT type AND instruction with negated operand state SYNTAX AN lt 1 Q M MDIR A H C HC1 T gt Instruction execution time 6us Example STL Relay diagram Q1 AN I5 15 l1 AN 11 Q1 15 1 J LJ Ls 4 0 4 0 Fig 5 1 2 3 Sample time se
159. nd 2 outputs NEED Programmable Relay User s Manual ver 1 5EN 203 Sample applications Algorithm Occurrence of a part sensor is enabled on the transporting line should trigger the sensor for counting the terminals The hole in the transistor housing should be checked at the same time Program Equipment configuration Address Inputs Address Outputs l1 Sensor to detect the hole in the Q1 Separator position transformer housing OK 12 Sensor to count the terminals Q2 Separator position FAULTY 13 Sensor to detect the part STL A I3 Part presence detection saving the state of M1 N sensor to M1 R M3 Resetting the Part OK Marker this allows the partition to remain in place and not to be shifted each time a part occurs A M1 Checking the opening if a part is present Alt S M2 A 12 Setting C1 Counter to count 3 terminals L C 3 of the transistor CU C1 AN M1 Checking the presence of the opening and if the three terminals A M2 of the transistor have been counted when the part AC1 was no longer seen by I3 sensor S M3 Setting Part OK Marker A M3 f the transistor is OK the partition is shifted to release S Q1 the flow in direction of good parts R Q2 AN M1 f the transistor is faulty the partition is shifted to release AN M3 the flow in direction of faulty parts R Q1 S Q2 AN M1 Resetting auxiliary Markers and C1 Counter R M2 R C1 NEED Programmable Relay
160. nent then after switching the power off and on again or after the relay has gone through the cycle of RUN STOP gt RUN it will remember the logical state it had before the power off Example Let s set Timer T5 as remanent Power off _ Power on again A x Supply cho l Remaninig time to be measured 6s i lt gt i Time i Time measured 14s All i q gt measured L 20s i by T5 SE T5 A T5 Q1 start 4s 8s 12s 16s 20s 24s end Fig 4 12 1 2 Remanence of Timer T5 Once triggered T5 Timer starts the time measurement After power off at 14s the time measured is remembered and once the power is on again the Timer resumes the measurement of the 20 s period and sets its output to high for the remaining 6 seconds 3 Counters If the Counter is set as remanent it will remember its logical state and the number of pulses counted after the power is switched off and then on again NEED Programmable Relay User s Manual ver 1 5EN 72 NEED relay resources Example Let s set Counter C5 as remanent A l6 L C 6 CU C5 A C5 Q1 Fig 4 12 1 3 Remanence of Counter C5 Pulses that occur at I6 increase the value of Counter C5 Once the power is switched off and on again the Counter remembers its value and the original state it had before the power off Further triggering pulses cause the Counter to count not from zero but starting from the value remembered before the p
161. ng If the option Do not ask for password is not selected when starting PC Need programme the password to establish communication with NEED relay must be entered Password can be entered using Menu gt Device gt Password gt Enter or when prompted once the command on the communication with the relay is used If the password is not set password 0 it is sufficient to accept the command the command will be executed Relay Password Enter Password Password emee Fig 6 12 2 Password entering window NEED Programmable Relay User s Manual ver 1 5EN 164 Installation and software description 6 12 2 Changing the password In order to set or change the existing password select Menu gt Device gt Password gt Change Enter the valid password current password see Fig 6 12 2 and the new password to be used New password Additionally the new password is to be re entered in the Verify password field in order to avoid any typing mistakes The password is saved in the relay memory Change Password Current Password thee New Password ial Password Verification canca Fig 6 12 3 Change device password window Note The password is stored in the relay memory Resetting the relay causes the password to be reset and set to default password 0 Note When using an external memory to program the relay the external memory password must be identical to that of the relay
162. ng of the source code is set by default You can disable storing source code in the relay by unchecking the option Save the source data in the Configuration gt Program menu Configuration General settings STL Editor LAD Editor Options V Restore last session Do not ask for password V Save source data Information about LAD conformity Fig 6 14 1 The Program Configuration window Source code can be read from the relay through the Relay gt Transmission gt Read program code or using a button After retrieving the project contents PC Need automatically opens a new window n the editor LAD STL win which the program loaded to the relay was authored NEED Programmable Relay User s Manual ver 1 5EN 167 Start up 7 START UP 7 1 Switching on 7 1 1 Preliminary operations for the AC version 1 Check if the power is connected properly terminal L phase conductor 230V AC terminal N neutral conductor 2 Check if the relay inputs and outputs are connected properly A Caution 11 In inputs are controlled by the phase conductor L 3 Set the RUN STOP switch to STOP 4 Protect the circuits controlled by the programmable relay against unauthorized access when started up for the first time there is a risk of uncontrolled operation of machinery drives pumps fans and devices or of dangerous voltages being present at the inputs This may be caused by e g a program error or wrong cable co
163. ning lines provide information on the number of the cars coming on and off the turntable raceway Once the car has exited the queue sensor the conditions of the first line of the program are met Setting C1 Counter to value 1 The instruction is executed only once after power is turned on when the value of M8 is 0 The Counter is loaded with value 1 as a counter up The Counter is ready for use After setting the M2 Marker car is allowed on the turntable raceway the state of car Counter is increased by 1 Once I2 input is enabled the car Counter state is decreased by 1 If the car C1 Counter state is equal to or higher than 1 the Q3 output is enabled because the value preset for C1 is 1 X1 lamp is on is the car is being turned 209 Sample applications STL program Al 1 AN I2 S M1 A M1 AN M2 2 Ali L 200mS SF T1 3 ATI Q1 AN Q1 4 AN 11 A M1 S M2 5 A M2 Q2 A l2 A M2 6 R M1 R M2 AN M8 7 L C 1 CU C2 S M8 A M2 L C 1 CU C2 A l2 9 L C 1 CD C2 A C2 10 _ o3 If a car is present the Car sensor is on 11 input and there is no queue around the bend I2 input is off then the M1 Marker is set car to be transferred Time necessary to release the car open the interlock is set The time is the state of 11 input car sensor extended by 200 ms M1 and M2 Markers prevent the Timer to be triggered again if another car appears at 11 sensor M1 and before the car h
164. nl ae OUTPUT 4xRELAY 10A L2 ae 2 Q1 Q2 Q3 Q4 o 22 QO l ah N Q_synch Q_high2 22 Q Q_high1 k Fig 10 1 2 Sample electric connection diagram of the circuit for part height detection NEED Programmable Relay User s Manual ver 1 5EN 187 Sample applications 10 2 Automatic door Everyone knows the automatic door control Automatic doors are very often used at stores offices banks etc but the NEED programmable relay can enrich the conventional control with new functions to improve not only the customer traffic but also the functionality of the entire building s Control panel j i Directions of movement FAAI Fig 10 2 1 Automatic door control Task description Control the opening and closing of automatic door in a building 1 A proper motion sensor must be selected The sensor range must be such that the traffic is not hampered due to the door response time i e the door must open well before the customer enters the doorway May the outer sensor be named I_ out and the inner one I_in In order for the door position to be detected also extreme position sensors must be installed The position sensors names will be I_ open for open door sensor and I_ close for closed door sensor In order to improve the functionality a switch may be added to enable setting of 3 operating modes Auto the entire system operates as during regular working hours End
165. nnections 7 1 2 Preliminary operations for the DC version 1 Check if the power is connected properly terminal 24V DC positive supply conductor 24V DC terminal 12V DC positive supply conductor 12V DC terminal OV power supply ground 2 Check if the relay inputs and outputs are connected properly A Caution 11 In inputs are controlled by the voltage positive in relation to OV terminal 3 Set the RUN STOP switch to STOP 4 Protect the circuits controlled by the programmable relay against unauthorized access when started up for the first time there is a risk of uncontrolled operation of machinery drives pumps fans and devices or of dangerous voltages being present at the inputs This may be caused by e g a program error or wrong cable connections 7 1 3 Turning the power on 1 Connect external power supply to the programmable relay terminals 2 Check the functioning of independent safety instruments if any e g emergency power off switch 3 Check if the signaling of the programmable relay inputs by LEDs is proper 4 Switch the RUN STOP switch to RUN Monitor the functioning of the system in case of malfunctioning check the connection system and the control program NOTE Once RUN mode is selected the program is activated that takes control over the outputs NEED Programmable Relay User s Manual ver 1 5EN 168 Information on hardware 8 INFORMATION ON HARDWARE 8 1 Relay power supply
166. ns The device is freely programmable i e the program present in the controller s memory can be modified at any time without having to change the peripheral systems of the entire environment which was actually impossible using conventional relay control Extensive capabilities and excellent parameters combined with functionality of the programmable relay enable the shortening of design time and the reduction of costs of applications implemented NEED Programmable Relay User s Manual ver 1 5EN 6 General 2 GENERAL 2 1 Specifications 6 or 13 digital inputs 2 or 3 digital analog inputs NEED 230AC x1 0 255V AC NEED 220DC x1 0 255V DC NEED 24DC x1 NEED 12DC x1 voltage range 0 25 5V DC in 0 10V steps or 0 12 75V in 0 05V steps current range 0 51mA 0 2mA steps or 0 25 5mA in 0 1mA steps 4 or 8 relay outputs 230V AC 10A Potentiometer for setting the analog values Real time clock Automatic change of summer winter time in different time zones Operation mode indicator RUN STOP operation mode switch I O status indications Programmability of LAD and STL PC software External memory module Fast counter frequency measuring device up to 20kKHz Detection of correct direction of connection of the L1 L2 L3 phases Measurement of asymmetry of the L1 L2 L3 phases 2 2 Description of NEED programmable relay front panel 11
167. ns connected to 15 input Change in button state causes a change in the state of the M2 Marker Power on at preset time for lamp circuit 1 in auto mode Actuating pulse of the length of 200ms pulse contact simulation ON state only during the triggering Power off at preset time or using the contact alarm system armed for lamp circuit 1 in auto mode disabling pulse of the duration of 200ms If 12 input is on auto T3 disabling pulse is generated Preset time power on for lamp circuit 2 Actuating pulse of the duration of 200ms pulse contact simulation ON state only during the triggering leading edge at H2 Start of the L2 circuit operation Power off for lamp circuit 2 disabling pulse of the duration of 200ms End of the lamp circuit 2 operation Response to the pulse set in Pos 3 Single forced turn on of M1 and consequently Q1 output controlling the lamps 1 Such a solution does not prevent switching of Q1 by I3 Response to the pulse set in Pos 4 Single resetting of M1 and consequently Q1 output which controls the lamps 1 Controlling the output directly via M1 the Marker depends on the I3 input and is reset by the time circuit H1 and the alarm contact 213 Sample applications 4 _ _ lt gt Hmc e Hi 5 s Hi HH 10s 15 n se 200ms 16 n D i7 cC 18 M8 l1 a H A1 NEED Programmable Relay User s Manual ver 1 5EN Respons
168. nt switching of Q2 by I5 Response to the pulse set in Pos 6 Single resetting of M2 and consequently resetting the Q2 output which controls the lamps 2 Controlling the output directly via M2 the Marker depends on the 5 input and is set and reset by the H2 Clock Response to the button connected to 18 input Change in button state causes a change in the state of the M8 Marker Setting the delay if the automatic operation and the lamp 1 circuit are on then the fan is actuated with delay Pulse actuating the fan the delay set is over Single setting of M8 in reaction to the enabling pulse of T6 set above Pos 15 Single resetting of the M8 Marker if the time of H1 has elapsed or the alarm is switched on Pos 4 in auto mode Direct fan control via M8 Marker i e via 18 button but also automatic enabling the operation by H1 Clock and switching off after the operation is over H1 OFF or if the alarm was armed before I6 ON Protection of circuits If the contact connected to I1 input is open then the Q1 Q2 and Q4 outputs are interlocked off contacts open Additionally through the use of A1 Comparator the outputs will be disconnected if the mains voltage is higher than the preset one according to the equipment configuration the calibration value for I7 216 Sample applications Remarks to the program The example above is only one of the possible uses of the NEED programmable relay which is t
169. o show the application of various instructions e g the FP function allows the natural use of momentary on switches as light switches The use of the internal clock provides a number of possibilities to control the circuits in a time based manner The use of the analogue input allows to protect the controlled circuits against the effects of wrong supply voltages provided that the executive circuits are supplied from the same phase as the power supply of the programmable relay NEED Programmable Relay User s Manual ver 1 5EN 217 Sample applications 10 7 Load control Task description By taking advantage of the analogue input capabilities it is possible to quite precisely control the power consumed by a load and provide adequate response once the consumption level is exceeded e g cutting off the load from the power source It gives a possibility to easily supplement the control system of e g a staircase lighting with a feature which allows the protection of the system from uncontrolled power consumption theft Additionally if so composed the power consumption limiter cannot be set to a higher power consumption level without software modifications The presented program can constitute a part of a comprehensive staircase or corridor lighting solution the following components can be connected to the spare inputs button switches external door opening sensor electromagnet lock opening signal transmitted via door entry system network
170. ogical instruction of OR type the operand of which is the result of logical operations given in the parentheses SYNTAX o Conditional instructions Instruction execution time 6us Example STL Relay diagram A l6 16 17 A I7 S aa Q1 o AM1 M1 M2 A M2 2 Q1 NEED Programmable Relay User s Manual ver 1 5EN 83 Programming languages Result of operation O A M1 4 A M2 0D 4 aJ EJT 0 Fig 5 1 2 6 Sample time series at 16 17 M1 and M2 inputs and Q1 output Q1 output will be set state 1 when states of I6 and I7 inputs are high or both Markers M1 or M2 are at state 1 5 1 2 7 OR NOT instruction SYMBOL ON O instruction is a logical instruction of OR NOT type OR instruction with negated operand state SYNTAX ON lt 1 Q M MDIR A H HC1 C T gt Instruction execution time 6us Example STL Relay diagram ON I5 ON 11 Q1 NEED Programmable Relay User s Manual ver 1 5EN 84 Programming languages Fig 5 1 2 7 Sample time series at I5 and I1 inputs and Q1 output Comment Q1 output will be set state 1 when state of at least one the inputs is low 0 5 1 2 8 OR NOT parenthesis instruction SYMBOL ON ON is a logical instruction of OR NOT type of the result of logical operations given in the parentheses SYNTAX ON Conditional instructions Instruction execution time 6us Example STL 1 Al
171. omparison with the standard value is shown in fig 4 11 3 NEED Programmable Relay User s Manual ver 1 5EN NEED relay resources No file name SET l x D Timer tf Calendar Mil Counter gt Comparator Remanent E Input settings Comparator settings A le gt Compare Jair Y 200 Fig 4 11 3 An example of the A6 comparator configuration for comparison with the standard value The A6 Comparator output is set to 1 when the voltage value at the I7 input is equal to or greater than 200V Table 4 11 4 shows the Potentiometer range for comparator comparisons Table 4 11 4 Possible standard value ranges for the comparator comparisons Type Standard value range NEED 230AC x1 NEED 12DC x1 NEED 24DC x1 1 255 An example of the A7 comparator configuration for comparison with the Potentiometer is shown in fig 4 11 4 Sl No file name SET maix T Timer Calendar Mil Counter gt Comparator Remanent E Input settings Comparator settings A f gt Compare ais gt POT T Fig 4 14 4 An example of the A7 comparator configuration for comparison with the Potentiometer NEED Programmable Relay User s Manual ver 1 5EN 67 NEED relay resources The A7 Comparator output is set to 1 when the voltage value at the 18 input is equal to or greate
172. or Counter C output Object Counter C Counter number Value to be counted Symbolic name Function Count up Fig 6 8 5 5 Object configuration Counter window If the option Use L Pot is selected the clock multiplier and the value set by the Potentiometer are used for counting by the Counter According to the example below for the multiplier x1 the value to be counted can be set within the range 1s 255s 1 255 x1s 4 Object configuration Count threshold Inputfoutput configuration Value from the C f Label Counti potentiometer x1 Function Count up m Function Use L CU Count Up m Counter multiplier _ Value from the potentiometer x1 C x10 C x100 Multiplier Fig 6 8 5 6 Object configuration POT Counter window If the option Use L AIZ or Al8 is selected the clock multiplier and the value read from the I7 or 18 for Al8 analogue input are used for counting by the Counter Values read from the analogue inputs are within the same range as those read from the Potentiometer i e between 1 and 255 Note Value to be counted can be changed in Setting window NEED Programmable Relay User s Manual ver 1 5EN 153 Installation and software description 6 8 6 Configuration of LAD editor Appearance of editor window can be adap
173. ormation about relay software type and version SHIFT CTRL A Display the item setting window for the active LAD window ALT Display the About PCNeed window LAD Editor A Insert a comparator C Insert a counter D Insert MDIR H Insert a clock Insert an input M Insert a marker Q Insert an output al Insert a timer SHIFT C Insert a quick counter HC CTRL A Select the whole LAD diagram SPACE BAR Draw a horizontal line ENTER Show the Item settings window Left ALT If an item is selected then the LEFT and RIGHT arrows change the NO NC FP SE SD SF functions Left ALT gt Left ALT T If an item is selected then the UP and DOWN arrows change the register number function Left ALT J If no item is selected you can draw links with the arrow keys HOME Work the same as in text editors n Additionally use them together with SHIFT for selecting Page Up Page Down Explanation F2 pressing the F2 function key CTRL S Press the Ctrl key and the S key at the same time CTRL NUM press the Ctrl key and the key on the numeric keypad at the same time CTRL ALT R pressing the Ctrl and left Alt and the R key at the same time CTRL SHIFT Z pressing the Ctrl and SHIFT and the Z key at the same time NEED Programmable Relay User s Manual ver 1 5EN 141 Installation and software description 6
174. ory card yes Specification of analog input circuits Input type Analog inputs Quantity NEED x1 08 4 2 I7 18 NEED x1 16 8 3 114 116 Input type NEED 230AC x1 NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 NEED 24DC x1 16 8 NEED 12DC x1 16 8 voltage alternating signal voltage fixed signal current fixed signal Input impedance NEED 230AC x1 08 4 I7 18 NEED 230AC x1 16 8 114 116 NEED 220DC x1 08 4 I7 18 200kQ for the positive half wave 400kQ for the negative half wave 200kQ for the negative half wave 400kQ for the negative half wave 200kQ NEED Programmable Relay User s Manual ver 1 5EN 234 Technical specifications NEED 220DC x1 16 8 114 116 200kQ NEED 24DC x1 08 4 I7 18 12 36kQ NEED 24DC x1 16 8 114 116 12 36kQ NEED 12DC x1 08 4 I7 18 10 92kQ NEED 12DC x1 16 8 114 116 10 92kQ NEED 24DC x1 16 8 NEED 12DC x1 16 8 114 116 in the current range 490 Range of input signals NEED 230AC x1 OV 255V AC NEED 220DC x1 OV 255V DC NEED 24DC x1 OV 25 5V DC NEED 12DC x1 OV 14 4V DC NEED 24DC x1 16 8 NEED 12DC x1 16 8 0 51mA in the current range 0 51imA in the current range Input current NEED 230AC x1 08 4 for 230V AC 0 9mA NEED 220DC x1 08 4 for 220V DC 1 1mA NEED 24DC x1 08 4 for 24V DC 2 0mA NEED 12DC x1 08 4 for 12V DC 1 1mA NEED 230AC x1 16 8 for 230V A
175. ose 0 NEED Programmable Relay User s Manual ver 1 5EN 190 Sample applications Program Equipment configuration Address __ Inputs Address Outputs I1 lL in Q1 Q_close 12 l _out Q2 Q_ motor I3 l_open Q3 Q_alarm 14 l _close I5 Auto I6 End 17 Close 18 Open STL Ol1 Enter M1 Marker to inform Ol2 about actuation of any of the motion sensors l_in or _ out M1 AM1 M2 Marker is set if Auto mode was selected and Al5 motion was detected outside and inside the building M2 Ali M3 Marker is set if Close mode was selected and A 6_ motion was detected inside the building M3 AN I5 Setting the operating mode to Manual AN I6 M13 Marker of the Manual operating mode Al6 l6 as asignal triggering T3 Lis Timer 3 setting to blinking mode pulse length 1s SLT3 AT3_ Switching the signal lamp on for the Closing operating mode Q3 O M2 M4 Marker is set if motion was detected O M3 at any of the sides in any of the modes M4 AM4 L 200ms Delay of 200ms generated by T1 Timer in SD T1 Single Pulse mode AT1 Setting the M6 auxiliary Marker after 200ms from S M6 triggering actuation of any of the motion sensors AT1 Checking after 200ms if a sensor at any of the sides detects motion A M4 RM5 Determination of door movement direction
176. ose of the supply current in order for the analogue measurement to be correct NEED Programmable Relay User s Manual ver 1 5EN 22 Installation However if the analogue inputs are to be used as digital ones both the inputs and current supplying the programmable relay must be connected to the same phase Analogue inputs can be used as discrete ones In such a case discrete input connection principles must be followed see above e Analogue measurement is performed using an averaging circuit The result is shown in the root mean square current Due to averaging the measurement on analogue inputs is delayed Input voltage measured must be stable for a while in order for the measurement to be accurate Analog inputs for the NEED 230AC x1 8 4 version In relays of this type these are the last two inputs no I7 and 18 Connecting toa three phase network is not allowed Potentiometer DODO ODODDOO L NN A 2 13 14 5 i6 I7 18 Fig 3 7 1 Analogue inputs potentiometer network voltage control NEED 230AC 01 8 Analog inputs for the NEED 230AC x1 16 8 version In relays of this type these are the last three inputs no 114 115 and 116 A Connecting to a l three phase network na ti is allowed L3 L NN M 112 14 15 6 Fig 3 7 2 Analogue inputs network voltage control NEED 230AC 01 16 NEED Programmable Relay User s Manual ver 1 5EN 23 Installation
177. otion detectors are involved After opening the door remains open for about 5 seconds and it closes afterwards Each motion detected during the closing operation causes the door to open again Limit sensors are used to stop the door movement If Manual mode is selected the door opening is performed by pushing the Open button NEED Programmable Relay User s Manual ver 1 5EN 189 Sample applications Algorithm NO Wait 200ms NO Are _out sensoror I_in sensor still enabled in AUTO mode or is I_in sensor still enabled in END mode YES Open the door Q_motor 1 Q_close 0 Is the I_lim limit sensor enabled YES Stop the door movement Q_motor 0 Is Lin or _out sensor enabled YES NO Is END Is AUTO mode on mode on VES YES Enable lamp blinking Q_alarm Disable lamp blinking Q_alarm 0 as Lin or l_out sensor actuated in AUTO mode or was Lin sensor actuated in END mode YES NO Close the door Q_motor 1 lout sensor Change the direction NO NO Disable motor Q_motor 0 Close the door Q_motor 1 Q_close 1 Open the door Q_motor 1 Q_close 0 Q_clos Is the l_close limit sensor enabled Is I_in or enabled YES Turn the motor off Q_close 0 Q_motor 0 of movement Q_cl
178. ower off off and 1 after the power on Such a pulse will not be counted by a non remanent Counter If the Counter input state was 1 before the power off and it remained high after the power on a remanent Counter will not count such a pulse A remanent Counter will count the pulse if the input state was 0 before the power NEED Programmable Relay User s Manual ver 1 5EN 73 Programming languages 5 PROGRAMMING LANGUAGES NEED relay can be programmed using two programming languages They were defined in such a way as to make the relay programming as effective as possible and to provide user with a possibility to select the most convenient programming language Hence the following languages can be used to describe control tasks text language Statement List STL graphic language Ladder Diagram LAD 5 1 Text language STL programming STL text language Statement Lis is a set of instructions comprising logical operations relations as well as functions of flip flops timers counters etc which allow proper programming of the relay The use of a text language for programming of the NEED relay is very efficient and produces an object code which is closest to the internal structure of the program 5 1 1 STL program structure An STL program is a sequence of successively executed instructions Each instruction is composed of two elements 1 Instruction symbol identifier code which is
179. pacitors which increase the input current c similar to the normal noise immunity inputs a cable of the length of up to 10 m can be connected to analogue inputs NEED Programmable Relay User s Manual ver 1 5EN 17 Installation Inputs no I7 and 18 for the NEED 230AC x1 8 version and 114 115 116 for the NEED 230AC x1 16 can be used as discrete or analog inputs depending on how they are used in the program For inputs with higher noise immunity in order to limit the starting current it is recommended that an approx 1kKOhm 1W resistor fig 3 4 2 be connected in series with the contact component fig 3 4 2 shows a connection for the NEED 230AC x1 8 version Inputs 15 16 for the NEED 230AC x1 8 version and 112 113 for the NEED 230AC x1 16 with internal capacitors can be shunted with external resistors 100k Ohm put between the input and the N lead so that their capacity can be discharged in a shorter time NO contact 2 x NO switch NC 2xNO QDDDDDDODDVOO O L NN H l2 R 14 15 16 I7 18 Fig 3 4 1 Input connections contact elements ik Starting reduction 2 x NO switch NC r NO contact contact L NN 1 l2 13 14 15 I6 I7 18 Fig 3 4 2 Input connections contact elements resistors reducing the input current surge NEED Programmable Relay User s Manual ver 1 5EN 18 Installation Thermal switch DDDDDDODOAO OC L NN
180. phic language cccceeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeneeeeeeees 113 5 2 41 Symbols IN LADS ee e hidvy dab E E E ER E EE R EEE 113 BNI LE EEEE E ae eee E E a Sd E EE E A 114 SPEE O 0 O10 AEE EEA E A A E AAAS 114 5 2 4 LAD program structure ssssnnnseeeesoeeeertrttesotrtttrrnnttsstrrrttrnnrresertrttrnnnreseennne 115 5 2 5 LAD metWork STUCTUTG issiria ea e E a ia 115 5 2 6 Description of elements used ccccceeeeeeeeeeseeceeeeeeeeeeeeeesaaaaeeeeeeeeeeneesaaaaes 116 5 2 7 COMMU AUION Nase oe cae 4s gota cateestdaga ct ce caeaean tues tahseectaeentaqusas ssaconiees ceamnesasateaeen ss 118 5 2 7 1 Configuration of INDUNG niza aec eee atante neta acuatieaaaawiean acu 118 5 2 7 2 Configuration OF outputs s feviclacpd aude he sheackesctdedssiacted ole sch vrandactedeeacenan 119 NEED Programmable Relay User s Manual ver 1 5EN Contents 5 2 7 3 Configuration of Markers visecccicecdeetaceixerducceiadedscaverduomuirrenetebdeeectestamtehegs 119 5 2 7 4 Configuration Of Timers sesssssnnsenerrneessserrrrrssrrtrtrrrntrsserrrnrrnnnneserrrnne 120 5 2 7 5 Configuration of GOUMCISiia2secicerteind aca wamnith en os wceaeacie 121 5 2 7 6 Sample COMIGUPAUONS serene cnceisieriiadyieldacidecedsctatede deavisiuaceleeacerate 122 5 2 8 Element location rules aficcc tae sietcad Aenea bnnctacechageiabuated seareudi vege eeeendavnaedeehers 123 B29 CONMECHON TY DES sere era austell a te geared hae geen TAE
181. pulses of a maximum frequency of 20kHz HC is a hardware based Counter which counts pulses appearing at the 111 input The CU CD inputs in addition to the direction counting function also provide the function for activating the Fast Counter The Fast Counter can run in the frequency mode it counts pulses appearing at the 111 input during 1second NEED Programmable Relay User s Manual ver 1 5EN 48 NEED relay resources The Fast Counter after reaching the maximum value 65535 starts counting from zero after performing the reset function For the NEED 230VAC 01 16 8 version the Fast Counter HC measures the power supply network frequency 50Hz or 60Hz for the frequency mode Whereas in the counter mode it counts pulses of the power supply network every 20ms for the 50Hz frequency of the power supply network or 16 6ms for the 60Hz power supply network 4 9 Clocks SYMBOL H lt n gt n being the Clock number from 1 to 4 LOGICAL STATES OF THE OUTPUT 0 or 1 depending on the function in the program CLOCK OUTPUTS Time ON Time OFF Time ON Day2 Time OFF Time ON Time OFF L 49019 Time ON Time OFF CLOCK 2 qd jeuuey 9 jeuueYyog jeuueYD Y jauUeYD CLOCK 3 CLOCK 4 Fig 4 9 1 Logical structure of the Clock When programming the relay one week H1 H2 H3 and H4 control clocks can be used Each Clock has four channels A B C and D The Clock output is common for the four
182. put directly before SE Timer instruction Time is measured after the execution of the Timer activation instruction leading edge at 15 input 2 For a period of t 200ms the Q1 output state will be set to high 1 The state can be extended if another triggering occurs at the Trigger input Having measured the preset time value the Timer output returns to low state 0 Q1 goes to low state 3 If a high state appears at the I1 input resetting the T1 the time measuring counter and the T1 Timer will be cleared If the L statement is not used then the time to be measured by T1 will be set from the set configuration file settings window in the PC Need program NEED Programmable Relay User s Manual ver 1 5EN 93 Programming languages 5 1 2 17 4 Timer Pulses FLASHING Timer performs the function of a square wave generator of pulse width modulation of 50 SYMBOL SL SYNTAX SL lt T gt Instruction execution time 8 3us Example i a START 3 2 A I5 YJ L 20ms iH i RESET SL T1 i A j Ni AT1 oo i A N ie Q1 Timer ETA se An E RTI i a ax Q1 Output Fig 5 1 2 17 4 Sample signal time series illustrating the operation of SL Timer 1 The I5 input performs the function of a triggering input Trigger The triggering instruction is followed by an instruction which loads the specified time value to be measured The latter instruction should be put directly
183. r Fig 2 3 3 Programming and diagnostics cable RS232 and memory with B type connector NEED Programmable Relay User s Manual ver 1 5EN 11 General Fig 2 3 4 Programming and diagnostics cable USB with B type connector NEED Programmable Relay User s Manual ver 1 5EN 12 Installation 3 INSTALLATION Symbols used oboe Electric shock hazard Do not perform any work on a powered unit Warning Information and hints Please read the following before installing the programmable relays Dangerous voltages capable of causing death are present in the programmable relay and at its connections Turn off the device system where the programmable relay is to be installed Protect the device system from inadvertent activation Make sure that no voltage is present in the device system Set the switch of the programmable relay to STOP Make all necessary measurements and checks in order to prevent unintended activation of the programmable relay Remember to eliminate electrostatic charge before touching the apparatus Connect short circuit and preventive protections Observe the rules and recommendations indicated in the User s Manual Installation of the programmable relay should be carried out by a person acquainted with the principles of electric installation Remember that once installed the devices must be protected against inadvertent activation All connections of the programmable rel
184. r s Manual ver 1 5EN 47 NEED relay resources The Counter outputs can be used in the program as Markers the letter M being replaced in the designation by the letter C Symbols of Counter STL LAD C3 L C 3 CU CU C1 CH C1 oc CH C 9 C1 R C1 Cr gt H Pulse count up The Counter counts the pulses that occur at the CU input Counting is performed in ascending order If the number of pulses counted is higher than or equal to the preset number of pulses then the Counter output state goes to 1 This state remains unchanged until high state occurs at the Reset input which causes both the output and the current counter value to be reset The Counter can never overflow if the number of the pulses counted reaches 65535 the Counter stops counting up Pulse count down The Counter counts the pulses that occur at the CD input Counting is performed in descending order If the number of pulses counted is higher than or equal to the preset number of pulses then the Counter output state goes to 1 This state remains unchanged until high state occurs at the Reset input which causes both the output and the current counter value to be reset The Counter can never overflow if the number of the pulses counted reaches 0 the Counter stops counting down For the NEED 24DC x1 16 8 version in addition to the aforementioned 8 Counters there is one more a Fast Counter HC counting
185. r than the value set with the Potentiometer 25 5 It must be pointed out that in the Variable view window POT takes values from For NEED 24DC x1 NEED 12DC x1 the potentiometer takes values from 0 1 to 1 255 but for the comparator comparisons values from 1 10 i e 0 1 to 255 10 i e 25 5 are used For example for the Al7 lt POT relationship at the voltage of Al7 5V the comparator output will be set to the high state e g to the variable setting of POT 50 i e 50 10 in Variable view Therefore for the potentiometer to be set correctly for NEED 24DC x1 NEED 12DC x1 relays the POT variable value shown in the Variable view must always be divided by 10 Table 4 11 5 shows the ranges of analog inputs in the NEED relay Table 4 11 5 Ranges of analog inputs in the NEED relay Type Analog input type Scope Resolution NEED 230AC x1 Voltage 0 255V 1V NEED 12DC x1 Voltage 0 25 5V 0 1V NEED 24DC x1 Voltage 0 25 5V 0 1V NEED 12DC x1 16 8 Voltage 0 12 75V 0 05V NEED 24DC x1 16 8 Voltage 0 12 75V 0 05V NEED 12DC x1 16 8 Current 0 51mA 0 2mA NEED 24DC x1 16 8 Current 0 51mA 0 2mA NEED 12DC x1 16 8 Current 0 25 5mA 0 1mA NEED 24DC x1 16 8 Current 0 25 5mA 0 1mA An example of the A10 Comparator configuration for comparing the values of signals at the 114 115 analog inputs is shown fig 4 11 5 amp lNo file name SET O x D Tim
186. rated Value ASYM takes the value greater than OV ASYM with the MDIR Marker and the Comparators make it possible to use the NEED 230AC x1 16 8 device as a supervisory relay controlling asymmetry order and voltage levels of the L1 L2 L3 phases NEED Programmable Relay User s Manual ver 1 5EN 65 NEED relay resources INPUTS OUTPUTS Comaparator 1 Reference value Potentiometer c5 a A1 Input 8 S analogue value A Input 7 analogue value Comaparator 2 A2 A3 Comaparator 3 NJO N A4 Comaparator 4 A5 A6 NJO N Comaparator 5 Comaparator 6 A7 Comaparator 7 t Comaparator 8 Fig 4 10 1 Logical structure of Comparator The following are used for comparison 1 Model value defined when configuring the PC Need program of the following range 0 255V for NEED 230AC x1 0 25 5V and 0 12 75V for NEED 24DC x1 16 8 NEED 12DC x1 16 8 2 Potentiometer control range 1 255 available at the front relay board 3 Voltage values of analog inputs Table 4 11 3 shows the ranges taken by the standard value Table 4 11 3 Possible standard value ranges for the comparator comparisons Type Standard value range NEED 230AC x1 0 255V NEED 12DC x1 0 25 5V NEED 24DC x1 0 25 5V NEED 12DC x1 16 8 0 12 75V NEED 24DC x1 16 8 0 12 75V An example of the A6 comparator configuration for c
187. rest of the system and from one another independent control systems can be constructed Load capacity of one output see technical specification 230V 10A for resistant loads Relay controlled output circuits must be appropriately protected fuse depending on the power and nature of the load in order not to exceed the values indicated in the technical specification Solenoid valve coil Fig 3 10 2 Relay outputs various external circuits NEED Programmable Relay User s Manual ver 1 5EN 28 Installation 3 11 AC power supply connection Supply voltage is dangerous to life User s safety depends on the quality of the connections Observe correct connection of supply voltage conductors phase conductor L and neutral conductor L Interchanging the connections of conductors to the power supply inputs i e connecting the phase conductor L to the N terminal and connecting the neutral conductor N to the L input terminal of the programmable relay may result in dangerous voltages being present on the 11 18 input terminals and the communication ports and in non detection of logic states Rated supply voltage 115 230V AC 50 60Hz Supplying 400 V AC phase to phase voltage between L and N terminals will destroy the programmable controller PoP gt Protect the programmable relay with a fuse of rated current of 1A Certainly the protection level cannot be excessively high as it will not perform the
188. ries at 15 and i1 inputs and Q1 output Comments Q1 output will be set state 1 when states of both inputs are low 0 5 1 2 4 AND NOT parenthesis instruction SYMBOL AN AN is a logical instruction of AND NOT type the operand of which is the result of logical operations given in the parentheses SYNTAX AN Conditional instructions Instruction execution time 6us NEED Programmable Relay User s Manual ver 1 5EN 81 Programming languages Example STL l6 Z A l6 1 A I7 AN 0 O M1 O M2 j 0 Q1 Result of operation AN O M1 1 O M2 0 1 1 C A R 0 Fig 5 1 2 4 Sample time series at l6 17 M1 and M2 inputs and Q1 output Comment Q1 output will be set state 1 when states of I6 and I7 inputs are high and both Markers M1 and M2 are at state 0 5 1 2 5 OR instruction SYMBOL O O instruction is a logical instruction of OR type SYNTAX O lt 1 Q M MDIR A H C HC1 T gt Instruction execution time 6us Example STL Relay diagram 2 Q1 O I5 ol Q1 NM NEED Programmable Relay User s Manual ver 1 5EN 82 Programming languages Fig 5 1 2 5 Sample time series at 15 and i1 inputs and Q1 output Comment Q1 output will be set state 1 when state of one the inputs is high 1 Parallel connection is employed 5 1 2 6 OR parenthesis instruction SYMBOL O OC is a l
189. rnal sensors If e g only two height categories are involved it takes the NEED programmable relay and two sensors detecting the geometric dimension in a proper manner to compose the full control set ee Height 1 Lhight aghi i Height 2 Lhigh2 slits Q_highi Q_high2 qmm Separator K eS ners f L lim1 e lim2 contains Fig 10 1 1 Part height detection Task description Parts transported on the impulse feeder must be sorted according to their heights Equipment selection 1 In order for the task to be performed properly two sensors must be selected of the proper range If the parts are made of metal induction sensors can be used to detect height Let s the name of the sensor for height 1 detection high details be I_high1 while the sensor detecting the height 2 low details be I_high2 Assumption is made that the belt movement is synchronized so a signal to enable the restarted belt movement let s call it Q synch is also necessary 2 Separator can be a pulse solenoid valve controlled cylinder on sending a control signal to one electromagnet coil the valve remains in that position also after the signal has faded until a signal is sent to the other coil on which two containers are fixed Height 1 of the parts and Height 2 of the parts will stand for extreme positions of the NEED Programmable Relay User s Manual ver 1 5EN 183 Sample application
190. rogrammable relay External memory of the programmable relay optional extension Application edition compilation relay and memory programming Programmable relay M A 9 N a D Fig 4 1 1 NEED Programmable Relay system 4 2 Program cycle In order to run various applications using the programmable relay first of all an appropriate program must be created and placed in the controller s memory Once run the controller starts processing the program from the first instruction to the last The cycle is then repeated At the beginning of each cycle the input states are written in special memory areas During program execution references are made to copies of input output states written in the memory mapping the process and not directly to the input output states The same procedure is followed for output signals The controller stores those states in the process mapping memory and only after the end of each cycle the states are copied to the relay outputs Controller operating cycle is presented in Fig 4 2 1 NEED Programmable Relay User s Manual ver 1 5EN 32 NEED relay resources ge Writing to the a Memory system memory Reading input gt 1 0 Q1 0 states i we 2 1 Q2 1 9 13 1 Q3 1 pee oy ante ee men Q4 0 Controller programme 18 0 yO X SS Writing RNIN RON output is S gt So states Q g
191. rpretation of the relay 11 input logical state delay time not preset NEED 230AC The following stages can be distinguished in the input signal waveform illustrated in Fig 8 4 5 Input signal is at high state 7 so the relay interprets it as a logical one However if within the following 20ms the relay does not detect the right sinusoid level then it changes the state of its input to logical zero 2 After further 20ms the input signal is interpreted as a high state 3 Short pulses can be detected correctly if they occur at right moments in the input signal interpretation by the relay 4 8 4 2 Input delays for NEED 24DC NEED 12DC relays If no delay is set for the inputs then the NEED relay checks input signals once in a loop cycle Directly after the check it will perform interpretation of whether the voltage present at the input is at a high or a low state It means that the maximum input signal interpretation time without delay is equal to the maximum program cycle time After that time at the maximum the signal present at the non delayed input can be noticed and properly interpreted by the relay NEED Programmable Relay User s Manual ver 1 5EN 176 Information on hardware If a delay is preset for the inputs then the NEED relay performs interpretation of input signals every 21ms It means that the maximum delayed input signal interpretation time is 21ms program cycle time After the maximum time
192. s cylinder Let s name the outputs controlling the electromagnets Q_high1 and Q_high2 with corresponding extreme position sensors I_lim1 and I_lim2 3 Programmable relay 4 inputs and 3 outputs are necessary Fig 10 1 1 illustrates the concept of the task analysed while the electrical connection diagram is presented in Fig 10 1 2 Algorithm First the height of the parts will be checked If sensor I_high1 is actuated it means the part is a higher one If sensor l_high2 is actuated with I_high1 not being actuated the part is a lower one Depending on the height the container is moved the output connected to the solenoid valve is switched on towards higher or lower parts respectively After the operation completion once the container is set to the proper part type synchronization signal for belt movement is sent The detailed operation algorithm is presented below Was I_highi actuated Was I_high2 sensor actuated High part Low part Set Q_high1 output Set Q_high1 output Reset Q_high2 output Set Q_high2 output Was I_lim1 sensor actuated Was I_lim2 sensor actuated Back Set Q_synch output It must be noted that the program execution does not stop at any point The controller does not wait for any starting signal the program is simply processed from the first to the last line
193. s gt Comparators Remanent E Input settings Remanent settings Markers Timers Counters Iv m Iv 15 lcs M2 V T6 M c6 M3 E M m4 M T8 Fig 6 9 6 1 Remanence settings NEED Programmable Relay User s Manual ver 1 5EN 159 Installation and software description 6 9 7 Input delays If the input is to be scanned without a delay its checkbox must be deselected I7 113 input in Fig 6 9 7 1 will not be delayed By default inputs have their checkboxes selected input delay is on E C Need Set2 set Timers Calendar MM Counters gt Comparators Remanent E Input settings Input delay settings Analog inputs range Iv i Iv 15 lig 3 Iv 12 v 16 M no v ng V 13 E M n M 15 V 4 BE n2 v ne 255V 151 mA C 12 75 125 5 mA m Analog inputs mode A4 ANS AnG m uct ot E m uc Fig 6 9 7 1 Input delay settings NEED Programmable Relay User s Manual ver 1 5EN 160 Installation and software description 6 10 Preview of variables PC Need is equipped with a tool for monitoring all variables in the relay To open the Preview window go to Tools gt Preview of variables or use this button Keyboard shortcut F12 If a connection was established with the relay a continuous preview of variables entered can be started by using the button Reading or going to Device gt Transmission gt Reading from the relay keyboard shortcut F6 Selectio
194. s 230V AC Input signal voltage ranges according to PN EN 61131 standard Input off 0 to 40 V AC logical 0 Input on 85 to 260 V AC logical 1 Input current for the NEED 230AC x1 08 4 11 to 14 0 6 mA at 230 V AC I5 16 8 mA at 230 V AC improved resistance to interference possibility of connecting long cables see technical specification 17 18 0 9 mA at 230 V AC Input current for the NEED 230AC x1 16 8 1 111 0 6mA at230 VAC 112 113 8mA _ at 230 V AC improved resistance to interference possibility of connecting long cables see technical specification 14 115 116 1 5mA at 230 V AC Inputs are of resistance type except for 15 and I6 inputs for the NEED 230AC x1 8 version and 112 113 for the NEED 230AC x1 16 inputs which are of resistance capacity type where longer leads can be connected Do not use excessively long leads due to their capacitance and susceptibility to electromagnetic interference which can lead to uncontrolled states of logic inputs e g signaling of an ON state of the input Lengths of cables which can be connected depend on the internal input system a lead of up to 10 meters can be connected to inputs with normal noise immunity measurement was made for the worst case of running the phase lead and input lead parallel to each other for example with a two wire cable b cables of lengths up to 100 m can be connected to inputs as they incorporate integral 100 nF ca
195. s can be achieved by avoiding parallel arrangement of power and signal leads twisting the pairs of wires or screening with screen end being earthed e Cross section area of the cable must be selected with regard being paid to the current flowing through the load Note In all cases not explicitly specified in this manual laws standards and Ci governmental regulations on electrical systems in force must be applied NEED Programmable Relay User s Manual ver 1 5EN 16 Installation 3 4 Connection of 230V AC discrete inputs Inputs must be connected to the same relay from which power is supplied to A the programmable relay Reverse connection of the supply power i e interchanging the phase conductor L and the neutral conductor N being connected to the programmable relay inputs may result in dangerous voltages being present on the input terminals and in the non detection of logic states Inputs are not electrically isolated from the electrical system powering the relay N is interchanged with that of the phase conductor L or if the neutral conductor N is not connected current of the voltage equal to that of the supply current may be present at the terminals Electric shock hazard In case the connection of the neutral conductor The following contact parts can be connected to the inputs push buttons normally open normally closed connectors switches relay contacts photocells and 2 or 3 wire proximity detector
196. s is started from the beginning The network is limited on the left and right by current rails The right rail may be either visible in the drawing or invisible Due to analogy to relay diagram LAD programs can be read as the passage of current from the left vertical line to the right e g left side being the power supply right side being the ground potential through individual networks Input element Output element Fig 5 2 3 Sample application in LAD language 5 2 5 LAD network structure Network must have appropriate format and syntax Below please find several main principles each network may have up to 16 parallel lines each line may have up to 4 logical elements connected in series the last element of the series connection in the network must be one of the executive elements two state output or function output network can have maximum 16 output elements network must have at least one contact input upstream the execution element output or vertical connection there must be no branch having its beginning or end within another branch which is connected with the supply line or outputs NEED Programmable Relay User s Manual ver 1 5EN 115 Programming languages Sample prohibited connections are presented below e 13 connection upstream the network 13 e Branch within another network the end or beginning of which is connected with Supply line or outputs in the example belo
197. s of normally closed digital inputs STL LAD AN I1 I or oN n aa or XNI1 SYMBOL In n being the input number n 1 8 NEED 01 08 n 1 16 NEED 01 16 LOGICAL STATES 0 supply voltage present at the input T no supply voltage present at the input 4 5 Digital outputs Digital outputs can be of different types However it must be remembered that there are max 8 physical outputs available NEED Programmable Relay User s Manual ver 1 5EN 36 NEED relay resources 4 5 1 Normal digital outputs Symbols of normal digital outputs STL LAD Q2 OF Q2 SYMBOL Qn n being the output number n 1 4 NEED x1 08 n 1 8 NEED x1 16 LOGIC STATES 1 contacts closed 0 contacts open This type of output works like an ordinary relay i e the coil when energised triggers the relay actuation 4 5 2 Digital pulse outputs Symbols of digital pulse outputs STL LAD Q2 CH FP Q2 SYMBOL Qn n being the output number n 1 4 NEED x1 08 n 1 8 NEED x1 16 LOGIC STATES 1 if the previous state was 0 and a logical positive control edge occurred 0 if the previous state was 1 and a logical positive control edge occurred This output acts like a flip flop which when actuated by a rising edge changes the state of its output to th
198. s time NEED Programmable Relay User s Manual ver 1 5EN 226 Technical specifications 11 TECHNICAL SPECIFICATIONS General data Relay description NEED x1 08 4R NEED x1 16 8R 6 AC digital inputs 2 analog digital inputs 4 NO digital relay outputs Real time clock 13 AC digital inputs 3 analog digital inputs 8 NO digital relay outputs Real time clock Fast counter Three phase network control Use In LV systems Supply voltage NEED 230AC x1 NEED 220DC x1 NEED 24DC x1 NEED 12DC x1 95V 260V AC 50Hz 60Hz 154V 242V DC 19 6V 28 8V DC 10 2V 14 4V DC Installation Location Mounting Operating location Any On a 35mm wide mounting bar or 2 screws 4mm In a control cabinet system switchgear conforming with EN 61131 2 Installation The device can be mounted only by a person qualified in fitting electrical systems Connecting wires 1x2 5mm 21mm Maximum tightening torque of the connection 0 6Nm terminals Standards conformity PN EN 61131 2 Certificates CE B UL VDE GOST Size NEED x1 08 4R Width 72mm Length 90mm Height 55mm Weight 210g NEED x1 16 8R Width 132mm Length 90mm Height 55mm Weight 370g NEED Programmable Relay User s Manual ver 1 5EN 227 Technical specifications Environment and mechanical conditions and requirements Operating temperature From 20 C
199. schedule when the clock is turned on off Monday in the above example Last day last day in a one week schedule when the clock is turned on off Friday in the above example ON time time of turning on the clock output range from 0 00 to 23 59 5 00 in the above example OFF time time of turning off the clock output range from 0 00 to 23 59 6 00 in the above example In the configuration presented above Clock 1 will set its output state to high each day Monday through Friday between 5 a m ON time and 6 a m OFF time This situation is presented in Fig 4 9 4 NEED Programmable Relay User s Manual ver 1 5EN 51 NEED relay resources Monday T H1 0 4 00 5 00 6 00 7 00 8 00 9 00 10 00 Tuesday T H1 0 4 00 5 00 6 00 7 00 8 00 9 00 10 00 Friday T H1 oa 0 4 00 5 00 6 00 7 00 8 00 9 00 10 00 Fig 4 9 4 Clock 1 operation in the configuration presented in Fig 4 9 3 Example 2 Fig 4 9 5 shows a sample configuration window for the Clock 1 amp lNo file name SET 15 x Timers lt Calendar sun Counters gt Comparators Remanent L Input settings Calendar settings H fi gt Channel amp _ Channel B gt _ Channel C _ Channel D _ Day 4 Mon ee Day 1 Mon sa Day 5 Mon sol Day 1 Mon fadi Day 2 fied Day 2 wed gt Day 2 wed gt Day 2 Fri HH HH HH MM HH M
200. sented in Fig 4 11 2 NEED Programmable Relay User s Manual ver 1 5EN 70 NEED relay resources amp No file name SET 15 x D Timer Calendar mi Counter gt Comparator Remanent T Input settings Remanent settings Markers Timers Counters J M1 M m5 M mg Jv M13 MS B M m2 M M6 M mio V M14 T6 jS M3 M M14 M m5 M T7 Iv c7 O m4 MB M m2 7 m6 M 18 r cs Fig 4 11 2 Sample configuration of remanent resources Markers M13 M14 Timer 7 and Counter 7 were configured as remanent in the above example Such configuration should be made in the relay STOP mode Remanent resources are not factory set neither are they set after a RESET operation i Remanence setting may cause unexpected program execution due to undefined initial conditions 4 12 1 Remarks on remanent values 1 Markers If the Marker is set as remanent then after switching the power off and on again or after the relay has gone through the cycle of RUN gt STOP gt RUN it will remember the logical state it had before the power off Example Let s set Marker M7 as remanent Power off hy eo on again o L All AR l Fig 4 12 1 1 Remanence of Marker M7 NEED Programmable Relay User s Manual ver 1 5EN 71 NEED relay resources Once the power is switched off and on again the state of M7 is high despite 11 0 2 Timers If the Timer is set as rema
201. sons for NEED 08 4 fe Comparison type I7 gt Standard value I7 lt Standard value 18 gt Standard value 18 lt Standard value 17 gt Potentiometer I7 lt Potentiometer 18 gt Potentiometer 18 lt Potentiometer I7 218 0 I7 lt 18 oe SO OF NNE NEED Programmable Relay User s Manual ver 1 5EN 64 NEED relay resources Table 4 11 2 Possible configurations of comparator comparisons for NEED 16 8 Comparison type 114 gt Standard value 14 lt Standard value 115 gt Standard value 115 lt Standard value 116 gt Standard value 116 lt Standard value 114 gt Potentiometer 114 lt Potentiometer 115 gt Potentiometer 0 00 Ni G1 AWN gt e 10 1115 lt Potentiometer 11 1116 gt Potentiometer 12 116 lt Potentiometer 13 1114 gt 115 14 114 lt 115 15 114 gt 116 16 114 lt 116 17 11152116 18 115 lt 116 19 ASYM gt Standard value 20 ASYM lt Standard value 21 ASYM gt Potentiometer 22 ASYM lt Potentiometer possible only for NEED 230AC 01 16 8 ASYM is the phase asymmetry index only for NEED 230AC x1 16 8 i Shows the rms values of the total of L1 L2 L3 phases ASYM takes the value of OV for correct levels of L1 L2 L8 phases When asymmetry is present the voltage level of any phase is different from the
202. splayed If the program is correct a message is displayed see Fig 6 7 1 to provide information on completion of the program compilation code size and percentage of relay memory occupied Should the program contain errors the message will indicate the error type and location row number column number Fig 6 7 2 including comment B E NEED Program1 stn Program STL iv TI 0i Error s operand cannot be used Compilator information Compiling file Error 9 15 3 Ti Register cannot be used in this operation Number of errors 1 Fig 6 7 2 Compilation error NEED Programmable Relay User s Manual ver 1 5EN 143 Installation and software description 6 7 3 Configuration of STL editor It is possible to adapt the appearance of the edition window to own preferences in Configuration gt Options S7L editor tab The following can be set background colour colour of comment font colour of input element font colour of logical operator font colour of output element font colour of function font on outputs colour of argument font colour of directive font DEVICE DEFINE colour of unrecognized text font font type style size script Default settings can be restored any time Configuration General settings STL Editor LAD Editor DEVICE 24DC X1 16 8 LAD Compiler STL Output f f Circuit 1 IL A A I1 Qi f f Circuit 2 A I5 Background Color L
203. such a case the relay is active if the relay coil is powered i e a specific logical state is assumed for it Our case employs a positive logics which means that the state 1 represents an active output while the inactive output is that of the logical state 0 Depending on the function assigned see Table 5 2 6 an output may be set to be continuously dependent on the outputs instruction which is analogous to an active relay if the coil is powered Functioning of both SET and RESET outputs is different as once the conditions are met the logical state 1 is set permanently S instruction Such a state is maintained until a resetting operation R is executed which is corresponding to the functioning of a backed up relay LAD outputs also do not need to have corresponding physical outputs in the relay structure they are so called functional outputs which enable the use of such elements as Timer Counter Clock Marker The elements are set similarly to physical outputs they take on state 0 or 1 depending on functions assigned to them see Table 5 2 6 NEED Programmable Relay User s Manual ver 1 5EN 114 Programming languages 5 2 4 LAD program structure Symbols are placed in networks Networks are placed in a ladder in a rung like manner Successive networks ladder rungs are read one by one from the top to the bottom After the last rung has been reached the program tracking proces
204. t be sent to the relay NEED Programmable Relay User s Manual ver 1 5EN 62 NEED relay resources 4 9 2 3 Three fields blank for one channel The Clock is not operating invalid setting which may not be sent to the relay 4 10 Real time clock The real time clock makes it possible to set the time date and time zone according to which the summer winter time change takes place in the NEED x1 16 8 relay The settings for the Real Time Clock are made through the PCNeed program Fig 4 10 1 shows the settings dialog box Real Time Clock x Set device time 34 22 05 2007 14 31 17 Time zone None gt Read Fig 4 10 1 The Real Time Clock Settings Dialog Box The real time clock supports the following time zones EU 1 00 The zone where the change to summer time takes place on the last Sunday of March from 1 00 to 2 00 a m and the change to winter time on the last Sunday of October from 2 00 to 1 00 a m EU 2 00 The zone where the change to summer time takes place on the last Sunday of March from 2 00 to 3 00 a m and the change to winter time on the last Sunday of October from 3 00 to 2 00 a m EU 3 00 The zone where the change to summer time takes place on the last Sunday of March from 3 00 to 4 00 a m and the change to winter time on the last Sunday of October from 4 00 to 3 00 a m RU The zone where the change to summer time takes place on the l
205. t directly before the Timer instruction SF Setting of I5 input results in automatic setting of T1 Timer output 2 Time is measured after the execution of SF Timer activation instruction trailing edge at 15 input 3 After a time of t 200ms the Q1 output state is set to low 0 Q1 is turned off 4 If during the Timer s time measurement a high state 1 occurs at its trigger input the measured time counter is reset The Timer is actuated again once a trailing edge occurs at 15 input 5 If a high state appears at the I1 input resetting the T1 the time measuring counter and the T1 Timer will be cleared If the L statement is not used then the time to be measured by T1 will be set from the set configuration file settings window in the PC Need program NEED Programmable Relay User s Manual ver 1 5EN 92 Programming languages 5 1 2 17 3 Timer SINGLE PULSE Timer performs the function of a single pulse SYMBOL SE SYNTAX SE lt T gt Instruction execution time 8 3us Example A 15 L 200ms SE T1 AT1 Q1 Measured All Timer time RT1 i Output Fig 5 1 2 17 3 Sample signal time series illustrating the operation of SE Timer 1 The I5 input performs the function of a triggering input Trigger The triggering instruction is followed by an instruction L which loads the specified time value to be measured The latter instruction should be
206. t inputs then their impedance is 49 Q NEED Programmable Relay User s Manual ver 1 5EN 21 Installation Note Feeding a voltage higher than the maximum permissible between the I1 In and OV input terminals can result in damaging the input circuits of the programmable relay Inputs are of the resistance type Inputs no I7 and 18 for the NEED x1 8 version and 114 115 116 for the NEED DC x1 16 can be used as discrete or analog inputs depending on how they are used in the program oV 24V DC z 4 2xNO switch NO contact NC contact DODODOOOO O 24V OV OV i1 2 13 4 I5 l6 I7 18 Fig 3 6 1 Input connection contact components oV 24V DC Thermal switch 24V OV OV 1 2 13 14 I5 I6 I7 18 Fig 3 6 2 Input connection proximity sensor thermal switch contact 3 7 Analogue AC input connections Electric shock hazard In case the connection of the neutral conductor N is interchanged with that of the phase conductor L or if the neutral conductor N is not connected current of the voltage equal to that of the supply current may be present at the terminals Analogue inputs are not electrically isolated from the mains powering the relay gt gt Input signal voltage ranges for analogue inputs are 0 to 255 V AC with the accuracy of 3 of the measurement range value Phase and frequency of the current measured need not to be equal to th
207. t the selected channels A D by setting week days hours and minutes E C Need Set1 set Timers Calenda h Comparators Remanent E mA Channel B Start day Channel D selection Day 1 Day 1 tii Calendar settings Day 2 i Day 2 Fig 6 9 3 1 Clock settings 6 9 4 Counter settings Select the Counter number and enter the value to be counted E C Need Set2 set D Timers Calenda omparators Remanent E marr Counter settings 1 gt Selection of a i HC Counter Threshold Threshold Edition of 0 65535 2000 0 65535 345 value f Hz J Edition of C f switch value Fig 6 9 4 1 Counter settings NEED Programmable Relay User s Manual ver 1 5EN 158 Installation and software description 6 9 5 Comparator settings Select the Comparator number and assign a comparison type to it and enter the voltage value in volts for the comparisons with the permanent value E C Need Set2 set Timers Calendar MM Counters gt Comparators Remanent E Input settings Comparator settings fi z Selection of Comparator Compare Voltage value ana v oo v edition V Comparison type Fig 6 9 5 1 Comparator settings 6 9 6 Remanence The variable to be remanent is selected by selecting the variable check box Fig 6 9 6 1 M1 T5 T6 and C8 were selected as remanent E C Need Set2 set Timers Calendar MM Counter
208. ted to own preferences in Configuration gt Options window LAD editor tab The lowing can be set independently for each of EDITION STOP and RUN modes colour of background window and connections columns grid colour colour of contact column background colour of cursor frame colour of background of highlighted area colour of connections colour of elements colour and font of resource type colour and font of symbolic names colour and font of function description colour and font of parameter description colour and font of column and row description colour of wrong connections and elements font type style size script Default settings can be restored any time Configuration General settings STL Editor LAD Editor Preview His AA 5 5s 0ms Connection Color Element Color Resource Type Symbol Description Default Cancel Apply Fig 6 8 6 Configuration of LAD editor NEED Programmable Relay User s Manual ver 1 5EN 154 Installation and software description 6 9 Settings 6 9 1 Types of settings There are two types of settings 1 Settings window linked to LAD program 2 Settings file independent In the first case settings are made for the active LAD program window to store the program data In the other case file or files of different names can be created manually and they can be loaded to the relay memory to replace the former settings This is ad
209. tings A fe z 4 Object configuration x Inputfoutput configuration Compare t2 Lael ooo ais gt POT gt 0 a v Function Use L SE Single Pulse Pot gt m Timer multiplier x10ms x100ms xis C x10s x1min Fig 4 11 1 Example of the use of the Potentiometer In the above example T1 Timer will measure time the length of which is equal to Potentiometer setting x 10ms e g 12 10 120ms At the same time the Comparator A8 output will be at high state when the value of voltage present at the I8 analogue input is higher than the value set with the Potentiometer 1 255 4 13 Remanent values of the programmable relay It is frequently required in the control processes that data must be retained after power off The programmable relay allows definition of some areas of the relay resources to be the so called remanent resources which can be backed up during power off or after switching the relay to STOP mode Resources which can be defined as remanent are presented in Table 4 11 1 Table 4 11 1 Remanent resources in NEED programmable relay Remanent resources Range Markers M1 M16 Timers T5 T8 Counters C5 C8 In order to define the programmable relay resources as remanent respective fields must be marked in the PC Need configuration application Sample configuration of relay remanent values is pre
210. tion 4 11 Comparator analog input The NEED relay inputs are not electrically isolated from the mains power supply NEED Programmable Relay User s Manual ver 1 5EN 171 Information on hardware 8 2 2 220 V DC inputs Concept diagram of the NEED relay input systems is shown in Fig 8 2 3 and Fig 8 2 4 Analog inputs are I7 and 18 for the DC NEED x1 8 version and 114 115 116 for the NEED x1 16 version R1 Inputs 11 16 R2 ie R1 R2 Inputs 17 18 For analogue measurements R3 ic R4 For digital measurements R5 i Fig 8 2 3 Schematic diagram of the NEED 220DC x1 8 4 input circuits R1 R2 Inputs 11 111 R3 er R1 R2 Inputs 114 116 For analogue measurements For digital measurements R6 fe Fig 8 2 4 Schematic diagram of the NEED 220DC x1 16 8 input circuits A The NEED relay inputs are not galvanically separated from the power grid supply NEED Programmable Relay User s Manual ver 1 5EN 172 Information on hardware 8 2 3 24 12 V DC inputs The schematic diagram of the NEED DC relay input circuits was presented in fig 8 2 5 All digital and digital analog inputs for NEED DC x1 8 4 have a similar arrangement of connections The analog digital inputs have a different connection layout for the NEED DC x1 16 8 version as shown in fig 8 2 6 R1 R3 Inputs 1I1 In R2 ik Fig 8 2 5 Schematic diagram of the NEED 24DC x1 8 4 relay input circuits R1 R3 Inputs 114 116
211. tion on the program gt Index gt PC Need information NEED Programmable Relay User s Manual ver 1 5EN 138 Installation and software description 6 6 3 Toolbar The most frequently used menu options are toolbar buttons which once clicked enable quicker opening of individual program functions Below please find a brief description of toolbar buttons YO GSP ae DOO GNH GF BORO New Open Save Print Cut Copy Paste Undo Redo Compilation Zoom out Normal view Zoom in Save Read Read source Variable view Symbolic names Clock Settings Options Stop Run Create a new document file Opens an existing document file Saves active document Prints active document Cuts the selection Copies the selection Pastes the selection Undoes the last operation Redoes the undone operation Active document compilation Reduces the window contents size LAD Variable view Sets the default view LAD only Enlarges the window contents size LAD Variable view Saving transmission to the relay LAD STL SET Reading transmission from the relay LAD L SET ladder view variable view Reading the source program from the relay Reading the status of selected variable from the relay Toggling the address symbol view Opens real time clock window RTC Opens settings window Access to programme options including selection of communication port options of editors Sets STOP mode in the re
212. tly active gt gt Read from the relay reading the settings from the relay or reading the values for previewing of the variables depending on the window currently active gt gt Read the source code reading source code from the relay only the NEED 16 8 version relays gt gt Compare comparing the code of the program currently saved on the disc with the program saved in the relay comparison to the active open code in the editor gt External memory memory module support NEED Programmable Relay User s Manual ver 1 5EN 137 Installation and software description gt gt Write writing the current program or settings to the memory module Currently open program or setting file is saved If you want to load both the program and the settings the saving must be performed twice once for the active program window and once for the active settings file window gt gt Read reading the settings from the memory module gt gt Status information on the memory partition status and disabling of the partition gt Stop command to switch the relay into STOP mode gt Run command to switch the relay into RUN mode gt Reset resetting the program memory settings in the relay and the password gt Settings opening the setting edition window gt RTC opening the window of relay time management gt Device ID information on type and the relay software version gt Password protect
213. to 55 C Relative humidity 10 95 non condensing Atmospheric pressure 795hPa up to 1080hPa Contamination level 2 Vibrations allowed in operating conditions PN EN 60068 2 6 5Hz to 9Hz fixed amplitude of 3 5mm 9Hz to 150Hz fixed acceleration of 1g Shocks PN EN 60068 2 27 6 shocks half sinusoid 15g 11ms Flat and supported drop PN EN 60068 2 31 100mm 2 tests 30 2 tests Storage transportation temperature 40 C to 70 C Free fall PN EN 60068 2 32 product in transportation packaging 1000mm product in sale packaging 300mm Safety requirements Rated insulation resistance 300V AC Rated surge voltage 2 500V Overvoltage category Class II Enclosure protection class PN EN 60529 IP 20 Fire rating UL94 VO NEED Programmable Relay User s Manual ver 1 5EN 228 Technical specifications EMC Requirements Radiated interference emission EN 55011 NEED x1 08 4R NEED x1 16 8R Boundary value class A group 1 Boundary value class B group 1 Conducted interference emission EN 55011 NEED x1 08 4R NEED x1 16 8R Boundary value class A group 1 Boundary value class B group 1 Resistance to electrostatic discharge EN 61000 4 2 8kV airborne discharge 4kV surface discharge Susceptibility to radio frequency electromagnetic fields EN 61000 4 3 10V m 80MHz 1 OOOMHz
214. tuating pulse of the duration of 200ms pulse contact simulation ON state only during the triggering gt H2 1 Start of the L2 circuit operation Power off for lamp circuit 2 disabling pulse of the duration of 200ms End of the lamp circuit 2 operation Response to the pulse set in Pos 3 Single forced turn on of M1 and consequently Q1 output controlling the lamps 1 Such a solution does not prevent switching of Q1 by I3 Response to the pulse set in Pos 4 Single resetting of M1 and consequently Q1 output which controls the lamps 1 Controlling the output directly via M1 the Marker depends on the I3 input and is reset by the H1 Clock and the alarm contact 215 Sample applications 10 11 12 13 14 15 16 17 18 19 Circuit 2 power on AT2 S M2 Circuit 2 power off AT4 R M2 Q2 output A M2 Q2 P8 button on Fan Als FP M8 Power on Fan Setting the delay A 12 AQ L 10s SD T5 Actuating pulse AT5 200ms SE T6 Fan auto power on A T6 S M8 Fan power off automatically at preset time or using the alarm AT3 R M8 Q4 output A M8 Q4 Protection disabling AN l1 O A1 R Q1 R Q2 R Q4 NEED Programmable Relay User s Manual ver 1 5EN Response to the pulse set in Pos 5 Single forced turn on of M2 and consequently enabling the Q2 output which controls the lamps 2 Such a solution does not preve
215. type 230AC 01 08 4R Device type 230AC 01 08 4R Program Settings Program Settings Aive Adve M Notacive Active Deactivate Deactivate _ Deactivate Deactivate ox Fig 9 3 3 1 Active partitions window Fig 9 3 3 2 Inactive partitions window Note Partition is enabled activated by loading a new content 9 3 4 Reading the settings It is possible to read the Settings partition from the memory card To this end in the workspace of PC Need enable the Settings window where the read data are to be sent In the example below a Read_EEPROM set file was created for that purpose After execution of the command of Device gt External memory gt Read see window below the data will be copied from the partition to the file with set extension NEED Programmable Relay User s Manual ver 1 5EN 181 External memory w PC Need rile EH lew Rela Took Lon Digua elz C Need Read EEPROM set Timer Calendar Counter gt Comparator Remanent Timer Settings T fi Time Chm C ms sms 99 59 1 mn Reading settings if I NEED 24DC X1 16 8 COME Fig 9 3 4 1 Reading settings window 9 4 Operation of memory card with NEED relay Memory card can be inserted only while the power supply of the NEED relay is off Voltages hazardous to health and life can be present at the communication port applies to 115 230V AC version Inserting a c
216. unter value reaches the threshold value 6 the Q1 output state is set to high If further pulses occur at the triggering input they will be counted by the Counter until the maximum value of 65535 is reached its output remaining at high state The Counter never overflows Once the maximum value is reached the Counter stops responding to the triggering pulses If a high state appears at the 11 resetting input the current value of the C1Counter and its output will be cleared If the low state appears at this input the Counter can keep running If the L statement is not used then the threshold value after which the C1 Counter sets its value to the high state will be based on the set configuration file the Settings window in the PC Need program NEED Programmable Relay User s Manual ver 1 5EN 96 Programming languages 5 1 2 18 2 Count down SYMBOL CD SYNTAX CD lt C gt Instruction execution time 6 1us Input if lo Y ane 3 F Ala L C 100 y Reset CD C1 102 100 2 A C1 TETN Threshold Q1 Counter _ N Counter value An i L i RC1 N Q1 i Output Fig 5 1 2 18 2 Sample signal time series illustrating operation of CD Counter Example 1 After occurrence of a leading edge at the 14 triggering input the current C1 Counter value will be reduced by 1 2 Once the current value of pulse Counter goes below the threshold value 100 the Q1 output state is set to lo
217. uracy Counters counting up down Counted values Comparators Number of possible comparison operations Weekly clock Real time clock Real time clock accuracy NEED x1 16 8 Markers Timers Timer Accuracy Counters counting up down Counted values Comparators Number of possible comparison operations Weekly clock Real time clock Real time clock accuracy 16 8 1 of the set value 0 1 ms 8 0 65535 8 10 4x4 channels 3 s day 16 16 1 of the set value 0 1 ms 8 0 65535 12 22 4x4 channels 3 s day NEED Programmable Relay User s Manual ver 1 5EN 236 Technical specifications Remanence Clock upkeep time Markers Counters Timers 64h in 25 C 24h in 40C M1 M16 C5 C8 15 18 External memory card Connector description NEED M 1K type A connector NEED M 1KB B type connector Two row connector One row connector Dimensions length x height x depth 30mm x 11mm x 5mm Weight 2g Memory type EEPROM Memory capacity 1KB Connector interface type IC Dedicated cable Connector description NEED PC 15A type A connector NEED PC 15B type B connector NEED PC 15C type B connector Two row connector One row connector One row connector Cable length 2m Weight 100g Connection method with the PC NEED PC 15A 15B 9 pin D Sub NEED PC 15
218. ut delay configuration 8 4 1 Input delays for NEED 230AC relay If no delay is set for the inputs then the NEED relay checks input signals every 20ms one positive half of the sinusoidal waveform for the power supply frequency of 50 Hz Directly after the check it will perform interpretation of whether the voltage present at the input is at high or a low state It means that the maximum input signal interpretation time without delay is 20ms program cycle time After that time at the maximum the signal present at the NEED non delayed input can be noticed and properly interpreted by the relay If a delay is preset for the inputs then the NEED relay performs interpretation of input signals every 20ms at the supply voltage frequency of 50Hz If the input state remains unchanged after the third check the relay will perform interpretation to recognize the voltage level as low or high It means that the maximum input signal interpretation time is 60ms program cycle time NEED Programmable Relay User s Manual ver 1 5EN 174 Information on hardware After the maximum time of 60ms but not before 40ms the signal present at the NEED input can be noticed and properly interpreted by the relay Table 8 1 presents delay times for the programmable relay inputs Table 8 1 Delay times of the NEED relay inputs Supply voltage Input signal maximum delay time frequency Delay ON Delay OFF f 50Hz 60ms cycle time 20ms c
219. vious logical operations i e it takes on 0 state when the state of one of the inputs is 0 or it takes on the state 1 when the states of both inputs are A 5 1 2 16 FP pulse relay instruction Pulse relay performs the function of a flip flop triggered by the leading edge Each leading pulse changes the output state to opposite SYMBOL FP SYNTAX FP lt Q M gt Instruction execution time 5 9us Example STL Relay diagram Q1 All 1 FP Q1 Fig 5 1 2 16 Sample time series at l1 input and Q1 output NEED Programmable Relay User s Manual ver 1 5EN 90 Programming languages If the state of Q1 output remains low and a positive control edge occurs at 11 input then the Q1 output state will be set to high If the state of Q1 output remains high and a positive control edge occurs at 11 input then the Q1 output state will be set to low 5 1 2 17 Timer instructions 5 1 2 17 1 Timer Delayed turn on ON DELAYED Timer delays the turn on SYMBOL SD SYNTAX SD lt T gt Instruction execution time 8 3us Example START A l8 L 400ms SD T1 AT1 Q1 Measured time Alt eee i n RTI Timer i Fig 5 1 2 17 1 Sample signal time series illustrating the operation of SD Timer 1 18 input performs the function of a triggering input Trigger Directly after the triggering instruction there is an instruction L loading the specified time value to be measured The l
220. visable if you want to change the Timers times without changing the program The new settings can be entered by editing the file without the need to perform a search in the program PC Need File Edit View Relay Tools Config Windows Help Ole a st SBILlS PI ARaAhm a SF Ueoe AD C Need Programm1 idn Timer D Calendar MM Copeter gt Comparator Remanent E Input Settings m Timer Settings T1 Timer r ti edition LAD related Time settings Chm C ma sms Range switch 4 7 o4 H x10 ms Entering the time NEED 2304C X1 08 4 USB Fig 6 9 1 2 LAD related settings If the LAD program related Settings file is not loaded the program in the relay will be executed using recent settings present in the relay After the reset they will be the maximum values of Timers and Counters reset Clocks no remanence and enabled input delays In order to access Settings in the LAD program edition click the icon in the toolbar or alternatively select Device gt Settings or press F10 key Fig 6 9 1 2 illustrates the result of executing that command and editing the Timer 1 SE mode time 1s In order to create a new SET file select New in the File menu and check Settings in the Create new project window and select the relay type Settings pertaining to the LAD program are stored automatically when the program is saved if the option is enabled in the LAD project
221. voltage at I7 input and controlling the power supply voltage via 18 input connected to of the relay power supply Such connection allows using the potentiometer to adjust not only the comparator thresholds but also to set times for the Timers and adjust thresholds of the Counters OV 24V 24V DC Potentiometer DODOOOOOOVO 24V OV OV i1 12 14 15 l6 I7 18 Fig 3 9 1 Analogue inputs potentiometer NEED Programmable Relay User s Manual ver 1 5EN 25 Installation Analog inputs in the NEED relay make it possible to read external voltage in the range of OV 25 5V or OV 12 5V for the NEED 24DC x1 16 version The connection arrangement for the external voltage source for the NEED 24DC x1 8 version is presented in fig 3 7 2 Power pack oV 24V DC 0 25 5V b00000000 a 24V OV OV H 2 13 14 I5 16 I7 18 Fig 3 9 2 Analogue inputs range Note Remember that the parts connected must be of appropriate power and rated i operating voltage Note Remember that the analogue input is power consuming which may cause the measurement results to be inaccurate if the self impedance of the source of the voltage measured is too high Transducer 0 10V DC Various types of electric transducers voltage current frequency transducers or non electric transducers temperature pressure force transducer equipped with standard analogue voltage or current outputs can be conn
222. w If further pulses occur at the 14 triggering input they will be counted by the Counter until the minimum value of 0 is reached The Counter never overflows Once the minimum value is reached the Counter stops responding to the triggering pulses 3 If a high state appears at the 11 resetting input the current value of the C1 Counter and its output will be cleared If the low state appears at this input the Counter can keep running If the L statement is not used then the threshold value after which the C1 Counter sets its value to the high state will be based on the set configuration file the Settings window in the PC Need program Ci The maximum frequency of counting pulses depends on the program execution time State of the counting input must be stable for at least one cycle of program loop NEED Programmable Relay User s Manual ver 1 5EN 97 Programming languages 5 1 2 18 3 Remarks on the use of Counters 1 Using the HC Fast Counter To use the Fast Counter connect the Counter triggering signal to the 111 input activate the Fast Counter using the CU or CD statement for example A l11 L 25000 CU HC1 In the aforementioned example the Fast Counter will set its output to the high state if the current value of the Counter is greater than or equal to 25000 A111 L 100 CD HC1 In the aforementioned example the Fast Counter will set its output to the high state if the current value of t
223. w the Q4 output must not be connected to the I3 and I5 branches 5 2 6 Description of elements used The logical element symbol see Table 5 2 6 which performs the function of a signal input or output in the LAD language can be assigned different variables i e the signal input can be not only the voltage supplied to hardware inputs designated as 1 18 but also the state of Timer Counter Clock or output The assignment is made according to the description on the element symbol The designation digit is the number of input to be checked Similarly not only the physical inputs but also Markers outputs without physical leads and states of Timers Counters etc can be set Symbols of the LAD language including description and permissible signal XY variables for the specific element X input Y output are presented in Table 5 2 6 Active input an input the state of which allows signal flow logical 1 for the NO input logical 0 for the NC input Active output an output the logical signal of which is 1 NEED Programmable Relay User s Manual ver 1 5EN 116 Programming languages Table 5 2 6 Basic symbols of LAD language LAD Description Variable oa Normally open input Active input contact closed when the logical value of the X 1 A H Q M T H variable assigned is 1 n number of Xn si Normally closed input Active input contact open when the logical v
224. x D Timers lt Calendar sun Counters gt Comparators Remanent L Input settings Calendar settings H h gt r Channel 4 _ Channel B _ r Channel C _ _ Channel D Day 1 gt Day 1 gt Day 1 Day 1 gt Day 2 Thu v Day 2 Day 2 Day 2 HH MM HH MM on e Joo gt on ai gt on gt on x gt Off f Joo gt oft gt ott gt oft ai gt Fig 4 9 17 Clock 1 sample configuration window Power turn off 10 00 12 00 Power supply iW A H1 s Power 0 Q1 8 00 turn on 0000 7 00 4 Q1 N After power restoration E the time is correct so 0 Relay contacts at eee according to H1 settings g output Q1are open Thursday Qi 1 Friday during power failure Fig 4 9 18 Operation of Clock 1 in the configuration shown in Fig 4 9 17 In case of power failure time is still measured by the relay however the contacts of the output relays do not close Clock back up during power supply is 64 hours at 25 C NEED Programmable Relay User s Manual ver 1 5EN 59 NEED relay resources 4 9 2 Remarks concerning Clock configuration 4 9 2 1 One blank field 3 filled fields for 1 channel 1 All fields filled ON field blank Example No file name SET Ai x amp Timers lt Calendar sun Counters gt Comparators Remanent E Input settin
225. ycle time f 60Hz 49 8 ms cycle time 16 6ms cycle time Interpretations of logical states of the NEED relay inputs are presented in Fig 8 4 3 and Fig 8 4 4 oe Te SBE i The switch is ON The switch is OFF signal is present at The switch is OFF no signal at 11 input F f g p 11 input is checked 11 input no signal at 11 input at these points en eee Signal as gt ciara waveform at the 11 input Calibration signal in the relay L t 7 Current delay a ae a Logical state of 11 input in i the relay Max delay 20ms program cycle time Fig 8 4 3 Interpretation of the relay l1 input logical state delay time not preset NEED 230 AC NEED Programmable Relay User s Manual ver 1 5EN 175 Information on hardware Fo iF fa The switchis oFF The switch is ON The switch is OFF H the signal is present f no signal at 11 input i no signal at l1 input at 11 input 11 input is checkedat these points ATT A K A PEA Egs gt Signal waveform i at the 11 input Calibration 20ms i H H 4 H Logical state of l1 input H k Current delay in the relay i Max delay S 60ms program cycle time Fig 8 4 4 Interpretation of the relay l1 input logical state delay time preset NEED 230AC Signal wave format I1 input of the relay Calibration sygnal in the relay Fig 8 4 5 Sample inte

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