English - BD Simex
Contents
1. 21h No 20B6h Device identification code ID bAu parameter in rS menu baud rate 22h Yes O 7 0 1200 baud 1 2400 baud 2 4800 baud 3 9600 baud 4 19200 baud 5 38400 baud 6 57600 baud 7 115200 baud mbA parameter in rS menu permission to write registers via 4 i 23h Yes EN RS 485 interface 0 write denied 1 write allowed 27 User manual for meter with Pt100 500 1000 input PAC 94TX Register Write Range Register description Parameters of SEc menu binary format 0 oFF 1 on 24h Yes see descr bit 0 Acc parameter rEd parameter in rS menu additional response delay 25h Yes 0 5 0 no additional delay 1 10c option 2 20c option 3 50c option 4 100 option 5 200 option mbt parameter in rS menu maximum delay between received 27h Yes 0 99 frames 0 no delay checking 1 99 maximum delay expressed in seconds 28h Yes AEN AL parameter in bEP menu 0 off 1 on 29h Yes AEN R1 parameter in bEP menu 0 off 1 on bri parameter display brightness SEN Yes Wa 1 the lowest brightness 8 the highest brightness 30h Yes 99 999 SEP parameter in rEL menu no decimal point included 31h Yes 0 999 HyS parameter in rEL menu no decimal point inclu2. d CR If 2 wire circuit is used it is recommended to connect sensor accordingly to N LI Figure 4 8c 4 wires circuit with shorted pins 16 17 and 18 19 In this case the west resistance of wires should be as small as possible to avoid of measurement errors Measured value can be corrected constant correction using OFS parameter from menu inP Due to low precision 2 wire connection is not recommended When 4 wires or 2 wires connection is used the resistance of particular wires Ra Rd CAN BE DIFFERENT When 3 wires connection is used the resistance of particular wires Ra Rd MUST BE IDENTICAL to enable proper compensation of it s resistance The resistance of particular wire should not be greater than 20 O reja7 isjia 9 n c sl ol Re ef Re le N E NY f NS Lo F H l Z Pt100 Pt100 Pt100 Ra Rb Rc Rd can be different Rb Rc Rd Rb Rc can be different Figure 4 8 Connection of sensors a 4 wires circuit b 3 wires circuit c 2 wires circuit Fas The connection circuit should not be changed while unit is powered Every change of 1 connection while the unit is powered causes measurement errors by several seconds E after change 4 4 MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user Pay attention to the ambient temperature in the room where the unit is operating Excessively high temperatures cause faster ageing o
3. 7 3 MENU DESCRIPTION password checking If some password different from 0000 is set then every enter to main menu follows the entering of password If entered password is correct then first menu position will be displayed else warning Err and unit returns to measurement mode aX Due to problem with direct displaying of m letter it is exchanged with special signs 1 n Independently in user manual letters m is used to make it more readable Vi example mod 7 3 1 rEL menu This menu allows to configure the operation mode of relays and LEDs marked R e g R1 Principle of the relays operation is described in paragraph CONTROL OF THE RELAY OUTPUTS gt The relay outputs and LEDs named R can be controlled depend on both the Jd J current value and the peak value when peak detection is active of the input signal SEP first threshold of the relay range 99 999 Negative values can be input by selecting a sign on first digit to change value use buttons Threshold is the medium value of relay hysteresis SP2 second threshold of the relay range 99 999 Negative values can be input by selecting a sign on first digit to change value use buttons This threshold is accessible when mod parameter is set to in or out value Threshold is the medium value of relay hysteresis 20 GG HYS fe L GG
4. 18 User manual for meter with Pt100 500 1000 input PAC 94TX Functions of the buttons while sub menu and parameters choice button and change of current menu position The name of selected option is displayed on the left green display The right red display shows current menu name or is dimmed Buttons signed 4 are used to change value of particular digit digit above particular Esseg Operation of ENTER MENU button depend on present menu position MENU e if the name of some sub menu is displayed enter this sub menu name of the first parameter or next level sub menu is displayed e if the name of some parameter is displayed enter the edition of this parameter present value of the parameter is displayed ESC RESET button allow user to exit present menu level and goes to upper level menu or measurement mode amp N _ After about 1 min since last use of the buttons device exits the menu mode and LL returns to the measurement mode only if no parameters are in editing mode 7 2 PARAMETERS EDITION To start edition of any parameter user should select name of desired one using 4 buttons and then ENTER MENU Presently edited numerical value or list type value flashes on the left green display The right red display shows the name of edited parameter at the same time 7 2 1 Numeric parameters Numeric parameters constitute a series of digits that form a number in decimal format Entering a new param
5. C 10 C to 70 C 5 to 90 no condensation up to 2000 meters above sea level 0 5 Nm 2 5 mm according to PN EN 61010 1 installation category II pollution degree 2 voltage in relation to ground 300 Vac insulation resistance gt 20 MQ insulation strength between power supply and input output terminal 1min 2300 V insulation strength between relays terminal 1min 1350 V according to PN EN 61326 This is a class A unit In housing or a similar area it can cause radio frequency j A interference In such cases the user can be requested to use appropriate preventive measures User manual for meter with Pt100 500 1000 input PAC 94TX 4 DEVICE INSTALLATION The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations Read the basic safety requirements on page 3 prior to starting the installation Ensure that the power supply network voltage corresponds to the nominal voltage stated on the unt e identification label The load must correspond to the requirements listed in the technical data All installation works must be conducted with a disconnected power supply Protecting the power supply clamps against unauthorized persons must be
6. van J ton mod User manual for meter with Pt100 500 1000 input PAC 94TX hysteresis of relay range 0 999 Full hysteresis of the relay is equal to 2x HYS parameter The relay state can change when an input signal is out of threshold hysteresis to threshold hysteresis zone Presented parameters should be set to ensure that SEP HYS SP2 HYS SEP HYS or SP2 HYS do not exceeds the measure range Additionally in two threshold mode mod in or out the hysteresis for both thresholds must not cover each other in other case relay can t change his state relay operation mode noA the relay is not active permanent turned off on one threshold mode the relay is turned ON when input signal exceeds SEP HYS value and is turned off back when the input signal became lower than SEP HYS OFF one threshold mode the relay is turned OFF when input signal exceeds SEP HYS value and is turned on back when the input signal became lower than SEP HYS Ir in two threshold mode the relay is turned ON when the input signal is bigger than lower threshold HYS and lower than bigger threshold HYS and turned off when the input signal is contained in the second zone The bigger threshold means bigger one of SEP and SP2 thresholds the lower threshold means lower one of SEP and
7. 94TX 5 Read of the registers 1 2 and 3 in one message example of reading a number of registries in one frame ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 01 00 03 54 0B COUNT L the count of being read registers max 16 The answer ADDR FUNC BYTE C DATA H1 L1 DATA H2 L2 DATA H3 L3 CRC L H 01 03 06 00 0A 00 00 00 01 78 B4 DATA H1 L1 reg 01h 10 displayed value 1 0 DATA H2 L2 reg 02h 0 no errors DATA H3 L3 reg 03h 1 decimal point position 0 0 d CR There is no full implementation of the Modbus Protocol in the device The d 1 J functions presented above are available only 10 DEFAULT AND USER S SETTINGS LIST Parameter Description Default value User s value poe Parameters of relay R1 operation rEL menu SEP Relay R1 threshold 2 0 20 SP2 Relay R1 second threshold 3 0 20 HYS Hysteresis of relay R1 0 0 21 mod Operation mode of relay R1 In 21 ton Turn on delay of relay R1 0 0 21 toF Turn off delay of relay R1 0 0 22 uni Unit of ton toF parameters of relay R1 SEC 22 AL Reaction for critical situation of relay R1 oFF 22 Activation of acoustic signal menu bEP AL Activation of acoustic signal by critical situation oFF 22 ri Activation of acoustic signal by relay R1 oFF 22
8. SP2 thresholds out two threshold mode relay is turned OFF when the input value is bigger than bigger threshold HYS and lower than lower threshold HYS and turned on when the input signal is contained in the second zone The bigger threshold means bigger one of SEP and SP2 thresholds the lower threshold means lower one of SEP and SP2 thresholds mb the relay is controlled via RS 485 interface independently on the input signal e LED R lights when relay is closed independently of relays mode e When power supply fail unit do not store relays state selected by RS 485 interface turn on delay time the relay is turned on with delay equal ton if the input value exceeds appropriate border value defined with threshold and hysteresis at least ton time ton range 0 99 9 defined with 0 1 sec resolution Unit of this parameter is set by uni parameter 21 tot en Lb 33 uni AL L User manual for meter with Pt100 500 1000 input PAC 94TX turn off delay time the relay is turned off with delay equal toF if the input value exceeds appropriate border value defined with threshold and hysteresis at least toF time toF range 0 99 9 defined with 0 1 sec resolution Unit of this parameter is set by uni parameter If time when the input signal exceeds some border value is shorter than ton
9. signalised by LED named M Modify This LED stops flashes after accepting of new value ENTER MENU button or after cancellation of changes ESC RESET button All accessible parameters can be changed by entering the menu see DEVICE PROGRAMMING Use the local keyboard or the remote controller to do it Note all parameters can be remote changed via RS 485 interface fe 1 Configuration of the device via menu or RS 485 interface do not stops measures A 6 2 DETECTION OF THE PEAK VALUES The PAC 94TX controller is equipped with peaks detection function It can detect a peaks of the input signal and display their values Presets connected with this function are placed in HLd menu see description of HLd menu The detection of the peak can be done if the measured signal raises and drops of value at least equal to parameter PEA Detected peaks are displayed during the time defined by parameter tim If a new peak will be detected while one is displayed this new peak will be displayed and display time counter will be cleared Figure 6 1 If no peaks are detected while time tim elapses device starts to show the current value of input signal again The relay R1 LED R can be controlled depend on the current value of input signal or the peak value see HLd menu 4 measure PEA DE 33 real measurement result time display value Figure 6 1 Process of peaks d
10. taken into consideration 4 1 UNPACKING After removing the unit from the protective packaging check for transportation damage Any transportation damage must be immediately reported to the carrier Also write down the unit serial number on the housing and report the damage to the manufacturer Attached with the unit please find user s manual warranty assembly brackets 2 pieces 4 2 ASSEMBLY The unit is designed for mounting indoor inside housings control panel switchboard assuring appropriate protection against electric impulse waves Metal housing must be connected to the grounding in a way complying with the governing regulations Disconnect the power supply prior to starting assembly Check the correctness of the performed connections prior to switching the unit on A In order to assembly the unit a 90 5 mm x 43 mm mounting hole Figure 4 1 must N be prepared The thickness of the material of which the panel is made must not _ exceed 5 mm When preparing the mounting hole take the grooves for catches located on both sides of the housing into consideration Figure 4 1 Place the unit in the mounting hole inserting it from the front side of the panel and then fix it using the brackets Figure 4 2 The minimum distances between assembly holes axes due to the thermal and mechanical conditions of operation are 115 mm x 67 mm Figure 4 3 User manual for meter with Pt100 500 100
11. threshold mode Figure 6 4 presents the principle of relay outputs operation for one threshold mode and an example values of other parameters measured displayed value t t signal t SEP parameter mE expected signal value a zone A GE EK EE EEN EL eee eee ee E E e E o en i 1 4 Se i NE _ Lt a ahnt geen ge L ben HYS parameter es CH KH allowed signal Io A P deviation b relay state E SS med zen un 7 ton 0 closed 1 1 toF 0 it NES J time c relay state i d a mod oFF I tt ton 0 I ee toF 0 i i ooo W time relay state I ii 2 mod onf Pod E nu E closed toF gt 0 _ i La bei it lt i time i hei t DI i tof Pad e relay state i ON ton I t Ba I i i parameter mod oFF geet parameter P ton gt 0 E toF gt 0 e g m 1 lt gt i time tof ton A parameter parameter Description A B C D points where measured signal exceeds border values expected value allowed deviation Bon Borr Don Dorr relays state changes moments for ton gt 0 toF gt 0 ta te tc to time periods while input signal is in zone A or zone B Figure 6 4 Principle of LED relay output operation for one threshold mode Parameter SEP sets a threshold of the relay and parameter HYS sets a hysteresis of the relay Figure 6 4 a The relay can change h
12. 0 input PAC 94TX 90 5 mm A N SN INN N NN NIS NAAN ASS NSS NN N NN NN N il 3 3 Figure 4 1 Mounting hole dimensions IN N lt M cao wo gt Figure 4 2 Installing of brackets and dimensions of connectors User manual for meter with Pt100 500 1000 input PAC 94TX La 67 mm gt Figure 4 3 Minimum distances when assembly of a number of units 4 3 CONNECTION METHOD Caution AN Installation should be conducted by qualified personnel During installation all e available safety requirements should be considered The fitter is responsible for IN executing the installation according to this manual local safety and EMC regulations The unit is not equipped with an internal fuse or power supply circuit breaker Because of this an external time delay cut out fuse with minimal possible nominal current value must be used recommended bipolar max 2 A and a power supply circuit breaker located near the unit In the case of using a monopolar fuse it must be mounted on the phase cable L The power supply network cable diameter must be selected in such a way that in the case of a short circuit of the cable from the side of the unit the cable shall be protected against destruction with an electrical installation fuse Wiring must meet appropriate standards and local regulations and laws In order to secure against accidental short circuit the connection cables must b
13. BD SIMEX lt a division of BD SENSORS USER MANUAL for meter with Pt100 500 1000 input type PAC 94TX firmware version 5 14 or higher Read the user s manual carefully before starting to use the unit Producer reserves the right to implement changes without prior notice 22 10 2007 V 2 00 User manual for meter with Pt100 500 1000 input PAC 94TX CONTENTS 1 BASIC REQUIREMENTS AND USER SAFETY zuunzuua2u0anu0anunaunnnunnnnnn nun nnn nun nun nun KREE RK ann nnnn KREE HERR 3 2 GENERAL CHARACTERISTICS 2022202000200020000000000 ann nun nun ann ann nun nun KEREN REN R ENEE KEREN KEREN RENE nn 4 3 TECHNICAL DATA EE 4 4 DEVICE INSTALLATION EE 6 2 1 UNPACKING use sense een hentai sterne reisen 6 A Vers 2 0 REES EE 6 2 3 CONNECTION METHOB nun ne reed detailierte 8 223 MAINTENANCE nenne ee een en 12 5 FRONT PANEL DESCRIPTION eessen 13 6 PRINCIPLE OF OPERATION z 2uu22u0200200 KEREN KEREN E nun nun KREE E ENKER EN ENER ENKER KREE E ENKER E NENNEN K nn 13 E WEE Ee 13 6 2 DETECTION OF THE PEAK VALUES 0 0 0 ccccscccecccecccecececeneccneceneceeeceeeeeeeseesueesaeesneesneesneesnesensesness 14 6 3 CONTROL OF THE RELAY OUTPUTS u uuuu unu en 15 6 3 1 One threshold mode 16 6 92 TWO eieiei TOC EE 17 7 DEVICE PROGRAMMING 2 2202200200200200000000n nun ann ann nun nun nun nnn nun nun ann ann nun nun nnn nun nun nun m nun ann nun nnnn nun nun nnn nenn 18 7 1 PROGRAMMING MEN 18 Fe PARAMETERS EDITIO
14. Configuration of measurement input inP menu FiL Filtering ratio 0 23 Pnt Decimal point position 0 0 23 31 User manual for meter with Pt100 500 1000 input PAC 94TX Parameter Description Default value User s value OFS Shifting of measurement scale 0 0 23 Display parameters bri Display brightness bri6 23 Configuration of peaks detection function HLd menu mod Kind of detected changes nor 23 PEA Minimum detected change 0 0 23 tim Maximum time of peak displaying 0 0 23 Hdi The type of displayed value HLd 23 Hr1 Source of relay R1 and LED R control rAL 23 Settings of access to the configuration parameters SEc menu ee on 25 RS 485 interface configuration menu rS Adr Device address 0 24 bAu Baud rate 9 6 24 mbA Permission to changes of configuration registers on 24 mbt Maximum delay between received messages 0 24 rEd Additional delay of answer transmission Std 25 32 User manual for meter with Pt100 500 1000 input PAC 94TX 33 34 User manual for meter with Pt100 500 1000 input PAC 94TX User manual for meter with Pt100 500 1000 input PAC 94TX 35 a division of BD SENSORS BD Sensors GmbH BD Sensors StraBe 1 95199 Thierstein Germany Telefon 49 0 9235 9811 2099 Telefax 49 0 9235 9811 860 e mail info bdsimex de www bdsimex de 02 2010
15. K VALUES mod the type of detected changes of the input signal can be set to values nor peaks peak and next drop of the input signal of value equal at least PEA inv drops drop and next peak of the input signal of value equal at least PEA PEA minimal detected signal change classified as peak or drop see Figure 6 1 tim maximum time of displaying of the peak drop value can be set from 0 1 to 19 9 sec with 0 1 sec resolution Adi type of displayed values rAL current value is displayed HLd peak drop value is displayed Hr1 relay LED output R operation mode rAL relay LED operates depend on the current value HLd relay LED operates depend on the peak drop value 23 User manual for meter with Pt100 500 1000 input PAC 94TX 7 3 6 SEC menu This menu contains presets connected with availability of other parameters Cod EN Acc user password 4 digits number If this parameter is set at value 0000 user password is turned off If the user do not remember his password the access to the menu is possible by the one use password To get this password please contact with Marketing Division Single use password can be used only one time after that it is destroyed Entering this password causes in clearing of user password it means sets the user password to 0000 The one u
16. N EE 19 7 2 1 Numeric Paramelels n nen ea oadsbaeehd meneieMateidaspdeiaiebisetd neteeeateeias 19 7 2 2 Switch parameters LIST type ed Zeg Eege ed Zege e e 19 7 3 MENU DESCHIDITION nen nnnnnnnnnnnnnn nennen nen nnnennnennnnnene 20 Z3 lA TEL FCI EE 20 E EE EE 22 7 3 3 INP MenU E 23 723 4 DH PRANE O ee ee 23 7 3 5 HLA MOL EE 23 436 SEC ON een A een 24 E e eg EE 24 73 8 GEF EE 25 73 9 MEN EE 25 74 MENU STRUCTURE ee een een EE 26 8 THE ALARM LED ege 27 9 THE MODBUS PROTOCOL HANDLING 2 22022u22002002002000 000 nun nun ann nun nun nun nnn nun nun ann nun nun nun n nun NEE R EK nn 27 91 EE ER 27 9 2 TRANSMISSION ERRORS DESCHRIDIION nennen 29 9 3 EXAMPLES OF QUERY ANSWER ERAMEG 29 10 DEFAULT AND USER S SETTINGS LIST u2uu0220020002000000 0000 ann ann nun nnnnn nun nnn nun HER HER KREE RK RK ER KEREN 31 User manual for meter with Pt100 500 1000 input PAC 94TX Explanation of symbols used in the manual This symbol denotes especially important guidelines concerning the installation and TN_ operation of the device Not complying with the guidelines denoted by this symbol _ may cause an accident damage or equipment destruction N N A k gt Ba Le IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS RESPONSIBLE FOR POSSIBLE DAMAGES n This symbol denotes especially important characteristics of the unit d 1 F Read any information regarding this symbol carefu
17. RS 485 interface as HOLDING type registers numeric values are given in U2 code of Modbus RTU protocol The registers or groups of the registers can be read by O3h function and wrote by 06h single registers or 10h group of the registers accordingly to Modbus RTU specification Maximum group size for 03h and 10h functions cannot exceeds 16 registers for single frame fo N 1 j The device interprets the broadcast messages but then do not sends the answers A 9 1 LIST OF REGISTERS Register Write Range Register description 01h No 99 999 Measurement value no decimal point The status of the current measurement Oh data valid AOh top 02h No Oh AOh 60h border of the measurement range is exceeded 60h bottom border of the measurement range is exceeded Pnt parameter in InP menu decimal point position 03h No 0 gt 1 0 _ Hi 0 1 u 11 0 0 State of the relays and alarm LED binary format 1 on 0 off 00000000 000e000a 04h Yes see descr a relay Ri e alarm LED If written only a bit is important others are ignored these bits allows user to control the relays via RS 485 interface 06h No 99 999 Peak drop value no decimal point 12h Yes 0 5 Ft parameter in InP menu measurement filtering rate OFS parameter in InP menu shift of measurement scale tan ves Due expressed by 0 1 C 20h Yes 0 199 Device address
18. Trax 100mA GND DATA supply depending on version Uo DATA A A a DE DOMOO 17 18 19 10 14 12 13 14 15 16 17 18 19 U E J ne Le N n c n c NC n c 8 P A Pt100 500 1000 R1 Pt100 500 1000 Figure 4 5 Terminals description relay outputs no current output version Depending on version 85 230 260 Vac oc or L N 19 24 50 Voc 16 24 35 Vac Figure 4 6 Terminals description relay outputs device with current output Contacts of relay outputs are not equipped with spark suppressors While use AN the relay outputs for switching of inductive loads coils contactors power relays electromagnets motors etc it is required to use additional suppression circuit typically capacitor 47 nF min 250 Vac in series with 100R 5 W resistor connected in parallel to relay terminals or better directly on the load In consequence of using the suppression circuit the level of generated electromagnetic disturbances is lower and the life of relay contacts rises 10 a User manual for meter with Pt100 500 1000 input PAC 94TX L D Figure 4 7 Examples of suppression circuit connection a to relay terminals b to the inductive load 11 User manual for meter with Pt100 500 1000 input PAC 94TX Temperature sensor can be connected to the device in typical 4 wire circuit Figure 4 8a or 3 wire circuit Figure 4 8b Due to precision of measurement 4 wire circuit is recommended
19. answer we assume that the measure result is not out of range ADDR FUNC BYTE C DATA H L CRC L H 01 03 02 00 FF F8 04 DATA H L displayed value 255 no decimal point Decimal point position can be read from reg O3h 29 User manual for meter with Pt100 500 1000 input PAC 94TX The answer if an error occur ADDR 01 FUNC 83 ERROR 60 CRC L H 41 18 ERROR error code 60h bottom border of the measurement range is exceeded 2 Read of device ID code ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 21 00 01 D4 00 The answer ADDR FUNC BYTEC DATA H L CRC L H 01 03 02 20 B6 20 32 DATA identification code 20B6h 3 Change of the device address from 1 to 2 write to reg 20h ADDR FUNC REG H L DATA H L CRC L H 01 06 00 20 00 02 09 C1 DATA H 0 DATA L new device address 2 The answer the same as the message ADDR FUNC REG H L DATA H L CRC L H 01 06 00 20 00 02 09 C1 4 Change of baud rate of all devices connected to the net BROADCAST message ADDR FUNC REG H L COUNT H L CRC L H 00 06 00 22 00 04 29 D2 DATAH 0 DATA L 4 new baud rate 19200 baud Device do not reply to BROADCAST type messages 30 User manual for meter with Pt100 500 1000 input PAC
20. ch are controlled via RS 485 interface will set to alert state see rEL menu description Parameter mbt can be set to values from 0 to 99 seconds The value 0 means that the time will be not controlled User manual for meter with Pt100 500 1000 input PAC 94TX rEd this parameter defines minimal additional delay between the Modbus message and the answer of the device received and sent via RS 485 interface This additional delay allows the device to work with poor RS converters which do not works properly on baud rates higher than 19200 This parameter can be set to one of values Std answer as quick as possible no additional delay 10c 20c 50c 100 200 answer delayed of 10 20 50 100 of 200 chars respectively where one character time depends on selected baud rate e Inthe most cases parameter rEd should be set to Std no additional delay Unfortunately for some third party RS converters rEd should be adjusted N experimentally Table 7 1 contains most frequently used values bAu parameter 38 4 57 6 115 2 rEd parameter 10c 20C 50c Tab 7 1 Settings of rEd parameter 7 3 8 dEF parameter This setting allows to restore the factory settings of the device To get the access to this option special password is required 5465 next the device displays acknowledge questio
21. ded mod parameter in rEL menu 32h Yes 0 3 0 noh mode 1 on mode 2 OFF mode 3 in mode 4 out mode 5 mb mode ton parameter in rEL menu expressed in tenth of seconds or eon nes G t tenth of minutes depend on uni parameter register no 35h toF parameter in rEL menu expressed in tenth of seconds or SC Yes Bees tenth of minutes depend on uni parameter register no 35h uni parameter in rEL menu SH ES GR 0 seconds 1 minutes AL parameter in rEL menu 36h res Bes 0 no changes 1 on 2 off 37h Yes 99 999 SP2 parameter in rEL menu no decimal point included 50h Yeg 0 1 mod parameter in HLd menu type of detected changes 0 peaks 1 drops 54h Yes 0 999 PEA parameter in HLd menu minimum detectable change no decimal point included 52h Yes 1199 tim parameter in HLd menu maximum peaks or drops display time expressed in seconds i Adi parameter in HLd menu TeS a 0 rAL mode 1 HLd mode 54h ve 01 H r1 parameter in HLd menu 0 rAL mode 1 HLd mode 28 after writing to register no 20h the device responds with an old address in the message after writing to register no 22h the device responds with the new baud rate the value of the mbA parameter is also connected to write to this r
22. e terminated with appropriate insulated cable tips Tighten the clamping screws The recommended tightening torque is 0 5 Nm Loose screws can cause fire or defective operation Over tightening can lead to damaging the connections inside the units and breaking the thread In the case of the unit being fitted with separable clamps they should be inserted into appropriate connectors in the unit even if they are not used for any connections Unused clamps marked as n c must not be used for connecting any connecting cables e g as bridges because this can cause damage to the equipment or electric shock User manual for meter with Pt100 500 1000 input PAC 94TX If the unit is equipped with housing covers and sealing packing protecting against water intrusion pay special attention to their correct tightening or clamping In the case of any doubt consider using additional preventive measures covers roofing seals etc Carelessly executed assembly can increase the risk of electric shock After the installation is completed do not touch the unit s connections when it is switched on because it carries the risk of electrical shock Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied To avoid the unit of improper indications keep recommendations listed below Avoid common parallel leading of signal cables and transmission cables t
23. edited e Cancel of relay threshold edition being in measure mode 6 PRINCIPLE OF OPERATION After turning the power supply on device ID and software version are showed on the display next the controller goes to the measurement mode 6 1 MEASUREMENT MODE In the measure mode current measurement result is displayed on the right red display In this mode left green display shows first threshold of relay R1 SEP parameter The LED named R signalises activation of relay If the result of measurement exceeds the permissible measurement range F fault diode lights and warning Hi or Lo is displayed rather than calculated result depends on exceeded value The warning can be effect of measurement circuit malfunction In that case Lo means shortcut and Hi means break of measurement circuit 13 User manual for meter with Pt100 500 1000 input PAC 94TX en If precision of measurement is set to 0 1 C and value of current measurement is 1 located in permissible measurement range but exceeds range 9 9 99 9 then we warning Ov is displayed in place of current measurement value If a free access is enabled see description of SEc menu user can change the value of particular threshold showed on left green display pressing buttons If any of buttons is pressed then instantaneous edition of threshold is being started see PARAMETERS EDITION Start of threshold edition is
24. egister so it is possible to block a writes but impossible to unblock writes via RS 485 interface The unblocking of the writes is possible from menu level only User manual for meter with Pt100 500 1000 input PAC 94TX 9 2 TRANSMISSION ERRORS DESCRIPTION If an error occurs while write or read of single register then the device sends an error code according to Modbus RTU specifications example message no 1 Error codes 01h illegal function only functions 03h 06h and 10h are available 02h illegal register address 03h illegal data value 08h no write permission see mbA parameter AOh exceed of upper border of input range 60h exceed of lower border of input range AOh and 60h codes can appear only during reg 01h is reading by 03h function read of a single register 10 3 EXAMPLES OF QUERY ANSWER FRAMES Examples apply for device with address 1 All values are represent hexadecimal Field description ADDR Device address on modbus network FUNC Function code REG H L Starting address address of first register to read write Hi and Lo byte COUNT H L No of registers to read write Hi and Lo byte BYTEC Data byte count in answer frame DATA H L Data byte Hi and Lo byte CRC L H CRC error check Hi and Lo byte 1 Read of the displayed value measurement PAC 94TX device address 01h ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 01 00 01 D5 CA a The
25. etection 14 User manual for meter with Pt100 500 1000 input PAC 94TX 6 3 CONTROL OF THE RELAY OUTPUTS The control of the object measured signal is realized via relay outputs Front panel LED named R indicates the state of relay R1 output Modes of the control can be changed depend on the values of parameters SEP SP2 HYS mod ton toF uni and AL Depend on mod parameter relays can be not used or controlled over one or two thresholds values If one threshold is used Figure 6 2 the relay can be turned on mod on or off mod oFF when the input signal value is contained in zone A If two thresholds are used Figure 6 3 the relay will be turned on when value of input signal is contained in zone A mod in or zone B mod out and turned off if the signal is contained in the second one state of relay LED SEP parameter I measure N HYS parameter Figure 6 2 One threshold control of the relay LED outputs state of relay LED SEP or SP2 parameter a he gt a measure HYS parameter Figure 6 3 Two thresholds control of the relay LED outputs f CR The relay outputs and LEDs named R can be controlled depend on both the A current value and the peak value when peak detection is active of the input signal 15 User manual for meter with Pt100 500 1000 input PAC 94TX 6 3 1 One
26. eter value consists of changing the values of selected digits within the allowable range using the 4 keys Some numeric parameters can take negative values In such cases the mark can be selected on the first decimal position of the parameter 7 2 2 Switch parameters LIST type Switch parameters can be described as a sets of values a lists out of which only one of the options available on the list can be selected for the given parameter Options of switching parameter are selected using 4 keys 19 User manual for meter with Pt100 500 1000 input PAC 94TX Functions of buttons when editing numeric and switching parameters Change of digit value referred to particular 4 key numerical values e g parameter HyS or state of list type parameters e g parameter bri For numerical parameters first press of any 4 button do not changes digits but starts edition process digit starts to flash Press of ENTER MENU button causes of display a SEt ask which allow user to 7 make sure if change of the parameter value is correct When ENTER MENU button is pressed again while SEt is displayed the new value of the parameter is stored in EEPROM memory Next present parameter value is displayed and edition stops Pressing this button operator can cancel the changes done up to now if they were not approved by ENTER MENU button after the SEt ask and device come back to menu
27. f the internal components and shorten the fault free time of unit operation In cases where the unit gets dirty do not clean with solvents For cleaning use warm water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol Using any other agents can cause permanent damage to the housing Product marked with this symbol should not be placed in municipal waste Please check local regulations for disposal and electronic products 12 User manual for meter with Pt100 500 1000 input PAC 94TX 5 FRONT PANEL DESCRIPTION Modify LED M informs that relay threshold Fault LED Indicator F is being edited while unit is in measure mode N Ki f Fe MO F Relay R1 activation settings ee measurement WS result displa Ba S e eg S programming pushbuttons Symbols and functions of push buttons Symbol used in the manual ENTER MENU MENU Functions e Enter to main menu press and hold by at least 2 sec e Start to edit the parameter e Enter to the sub menu e Confirmation of changes made in parameter being edited Symbol used in the manual Functions e Change of the present menu e Modification of the parameter value e Start of relay threshold edition being in measure mode ESC Symbol used in the manual ESC RESET Functions e Exit the current level and Enter to previous menu or measure mode e Cancel the changes made in parameter being
28. is state only when input value exceeds over or under border value and ta ts tc to times Figure 6 4 are bigger than the time defined by parameters ton toF and unit Border values means values equal threshold hysteresis and threshold hysteresis respectively If ton and toF parameters are set to 0 then the relay state will be changed as soon as input value exceeds any of the border values see points A and C Figure 6 4 a b c If values of ton or and toF are positive then relay state will be turned on if the input value exceeds the border values and stay bigger or lower during at least ton see points Bon Don Figure 6 4 a d e Similarly the relay will be turned off if time toF elapse since the input signal value exceeds any of the border values see points Borr Dorr Figure 6 4 a d e 16 User manual for meter with Pt100 500 1000 input PAC 94TX If ta ta tc Or to when input signal stay in zone A or zone B are lower than parameters ton or toF the relay will not change his state see points A and C Figure 6 4 a d e The state of relay output while the input value exceeds the border values points A B C D is described by parameter mod The relay can be turned on mod on or turned off mod oFF when input signal value is contained in zone A Figure 6 4 a The parameter AL allow user to set the relay output beha
29. lly The manufacturer is not responsible for any damages caused by inappropriate installation not maintaining the proper technical condition and using the unit against its destination Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is responsible for executing the installation according to this manual local safety and EMC regulations The unit must be properly set up according to the application Incorrect configuration can cause defective operation which can lead to unit damage or an accident If in the case of a defect of unit operation there is a risk of a serious threat to the safety of people or property additional independent systems and solutions to prevent such a threat must be used The unit uses dangerous voltage that can cause a lethal accident The unit must be switched off and disconnected from the power supply prior to starting installation of troubleshooting in the case of malfunction Neighbouring and mating equipment must meet the requirements of appropriate standards and regulations concerning safety and be equipped with adequate anti overvoltage and anti interference filters Do not attempt to disassemble repair or modify the unit yourself The unit has no user serviceable parts Units in which a defect was stated must be disconnected and submitted for repairs at an authorized service centre N I
30. n SEt Press ENTER to acknowledge the restoring of factory settings or ESC to cancel 7 3 9 Srv menu This menu contains the parameters for authorized service only To enter this menu proper service password must be entered Improper settings can causes of damage of the device 25 User manual for meter with Pt100 500 1000 input PAC 94TX 7 4 MENU STRUCTURE 26 Measurement mode ESC Press and hold at least 2 seconds 4 digit user password entering if it is different from 0000 end edition meru m SP2 H BER mi HYS end eng Parameter SE edition mod S z ES Parameter uni edition moa E Parameter amp edition ll parameter edition Scod Ee Parameter Far adition 33 Acc El Parameter edition 4 digit special u entering ea SE BA settings restoring User manual for meter with Pt100 500 1000 input PAC 94TX 8 THE ALARM LED Alarm LED F lights in cases exceeding of permissible measurement range detection of sensor malfunction shortcut or break of measurement circuit 9 THE MODBUS PROTOCOL HANDLING Transmission parameters 1 start bit 8 data bits 1 or 2 stop bit 2 bits are send 1 and 2 bits are accepted when receive no parity control Baud rate selectable from 1200 to 115200 bits sec Transmission protocol MODBUS RTU compatible The device parameters and display value are available via
31. n of measurement input control modes critical situations behaviour communication via RS 485 and access settings The meaning of the particular parameters is described in paragraph MENU DESCRIPTION If a free access is enabled see description of SEc menu user can change the value of particular threshold showed on left green display pressing buttons If any of buttons is pressed then instantaneous edition of threshold is being started see PARAMETERS EDITION Start of threshold edition is signalised by LED named M Modify This LED stops flashes after accepting of new value ENTER MENU button or after cancellation of changes ESC RESET button 7 1 PROGRAMMING MENU To enter main menu being in the measurement mode operator must to press and hold at least 2 sec ENTER MENU button If the user password is defined see parameter Cod menu SEc operator have to enter correct one before proceeding to menu options Entering of the passwords is similar to the edition of numeric parameters see PARAMETERS EDITION however presently editing digit di 9 is showed only on the display other digits are replaced by sign After entering of last digit of the password first menu position will be displayed if the password is correct or warning Err in other case AN Pay attention when device parameters are being changed If it is possible turn off e Controlled installation machine
32. n order to minimize fire or electric shock hazard the unit must be protected a against atmospheric precipitation and excessive humidity Do not use the unit in areas threatened with excessive shocks vibrations dust humidity corrosive gasses and oils Do not use the unit in explosion hazard areas User manual for meter with Pt100 500 1000 input PAC 94TX condensation or icing Do not use the unit in areas with significant temperature variations exposed to Do not use the unit in areas exposed to direct sunlight Make sure that the ambient temperature e g inside the control box does not exceed the recommended values In such cases forced cooling of the unit must be considered e g by using a ventilator 2 GENERAL CHARACTERISTICS The PAC 94TX meter is equipped with Pt 100 Pt 500 Pt 1000 type input with automatic connection recognition three or four wire sensor The measurement range spans from 99 C to 600 C and input is fully linearised accordingly to PN EN60751 A2 1999 standard Result is showed on 3 digit LED display The device is equipped with one relay output Device PAC 94TX is equipped with RS 485 Modbus RTU communication interface and sensor supply output The meter can be ordered in two power supply versions PAC 94TX can be used for controlling and regulation of processes need proportional and threshold control like temperature processes heating or cooling valves controlling or o
33. o on any critical situation causes by acoustic signal if this parameter is set to on activation of relay R1 causes by acoustic signal Acoustic signal turned on by e g relay can be turned off by pressing of any button User manual for meter with Pt100 500 1000 input PAC 94TX 7 3 3 inP menu This menu presets the measurement input FIL this parameter sets filtration rate It can be set to values from O no filtration to 5 strongest filtration time window about 2 sec Pnt decimal point position of parameters SEP SP2 HYS and current measurement It can be set to values 0 results with resolution of 1 C 0 0 results with resolution of 0 1 C Position of decimal point is selected by 4 buttons d CSN After change of decimal point position parameters SEP SP2 and HYS should d _ be corrected to make them adequate to selected precision OFS offset expressed in 0 1 C range 9 9 C This parameter allows shifting of measurement scale and express value added to calculated measured result 7 3 4 bri parameter This parameter allows user to set bright of the LED display bright can be set to conventional values from 1 to 8 7 3 5 HLd menu This menu contains parameters connected with peak detection function See also full description of the peak detection function in paragraph DETECTION OF THE PEA
34. ogether with power supply cables and cables controlling induction loads e g contactors Such cables should cross at a right angle Contactor coils and induction loads should be equipped with anti interference protection systems e g RC type Use of screened signal cables is recommended Signal cable screens should be connected to the earthing only at one of the ends of the screened cable In the case of magnetically induced interference the use of twisted couples of signal cables so called spirals is recommended The spiral best if shielded must be used with RS 485 serial transmission connections In the case of interference from the power supply side the use of appropriate anti interference filters is recommended Bear in mind that the connection between the filter and the unit should be as short as possible and the metal housing of the filter must be connected to the earthing with largest possible surface The cables connected to the filter output must not run in parallel with cables with interference e g circuits controlling relays or contactors Connections of power supply voltage and measurement signals are executed using the screw connections on the back of the unit s housing max 2mm Figure 4 4 Method of cable insulation replacing and cable terminals All connections must be made while power supply is disconnected User manual for meter with Pt100 500 1000 input PAC 94TX Power 24V 5 10 RS 485 5 l
35. or toF time the relay do not change his state see paragraph CONTROL OF THE RELAY OUTPUTS unit of time for ton i toF parameters Can be set on one of two values min minutes SEC seconds this parameter defines the relay reaction when some critical situations occurs noc relay do not change his state on relay will be turned on OFF relay will be turned off If parameter mod is set to on OFF in or Out the critical situation means that allowable measurement range is exceeded If parameter mod is set to mb the critical situation means communication delay when no data is received longer than mbt parameter see description rS menu e f option noC is selected for AL parameter behaviour of the relay may depend on FiL parameter in some cases If FiL is set to big value and the input signal drops result value of the measure will change slow causes of turning on or off relay due to thresholds values The critical situation is slowly detected so it is impossible to predict the relay state in that situations e If parameter AL on the relay will be turned on in the critical situations even if his parameter mod noA 7 3 2 bDEP menu This menu contains options connected with acoustic signal AL r1 33 22 if this parameter is set t
36. periods while input signal is in zone A or zone B Figure 6 5 Principle of LED relay output operation for two thresholds mode 17 User manual for meter with Pt100 500 1000 input PAC 94TX Figure 6 5 presents the principle of relay outputs operation for two thresholds mode and an example values of other parameters In this mode parameter SP2 is accessible in common with SEP this parameter describes a second threshold of the relay output The parameters HYS mod ton toF uni and AL are connected with both SEP and SP2 thresholds While the controlling process the relay output changes his state depends of both SEP and SP2 thresholds in similar way as it was described in one threshold mode If two threshold mode is used mod parameter defines state of the relay output when the input value occurs in a particular zone defined by border values of both thresholds The relay can be turned on if the input value is contained in zone A mod in or zone B mod out and turned off if it is contained in the second one Figure 6 5 en The sequence of thresholds SEP and SP2 can be set in any order due to the l control of relay outputs is done depend on difference between thresholds values zone A and outside of threshold values zone B 7 DEVICE PROGRAMMING The device menu allow user to set all parameters connected to operatio
37. se password can be used ONE TIME ONLY it is impossible to use it again The one use password can be restored by Service Division only this option permits user on or prohibits OFF to modify the thresholds of the relay LED R without knowledge about user password 7 3 7 rS menu This menu is connected with RS 485 interface and sets his properties Adr bAu mbA mbt 24 this parameter defines the address of the device accordingly to Modbus protocol It can be set in range from 0 to 199 If the value 0 is set then device responds to frames with address 255 FFh this parameter determines RS 485 interface baud rate It can be set to one of 8 possible values 1 2 2 4 4 8 9 6 19 2 38 4 57 6 115 2 which respond to the baud rates of 1200 2400 4800 9600 19200 38400 57600 and 115200 bit sec respectively this parameter sets the access to the configuration registers of the device Possible values on configuration registers can be set via RS 485 interface OFF _ configuration registers cannot be set via RS 485 interface The access to registers no 04h i 05h can t be denied by mbA parameter see LIST OF REGISTERS this parameter defines maximal time sec between following frames received by the device If the delay will be greater than the value of mbt parameter the relays whi
38. ther 3 TECHNICAL DATA Power supply voltage depending on version External fuse required Power consumption Measurement input Measurement range Measurement accuracy Measurement wires resistance Outputs relay sensor power supply Communication interface Baud rate 4 85 230 260 Vacipc 50 60 Hz or 19 24 50 Voc 16 24 35 Vac T type max 2A max 4 5 VA 85 260 Vac pc max 4 5 VA 16 V 35 Vac max 4 5 W 19 V 50 Voc Pt 100 Pt 500 Pt 1000 type with automatic connection recognition 3 or 4 wires 99 C 600 C 0 25 one digit max 20 Q every wire 1 NO 1 A 250 Vac cos 1 24 V 5 10 max 100 mA stabilized RS 485 8N1 and 8N2 Modbus RTU not separated 1200 bit sec 115200 bit sec User manual for meter with Pt100 500 1000 input PAC 94TX Display result settings Data memory Protection level Housing type Housing material Housing dimensions Mounting hole Assembly depth Panel thickness Operating temperature Storage temperature Humidity Altitude Screws tightening max torque Max connection leads diameter Safety requirements EMC LED 3 digit 13 mm height red LED 3 digit 13 mm height green non volatile memory EEPROM type IP 65 from front after using waterproof cover IP 40 from front IP 20 housing and connection clips panel NORYL GFN2S E1 96 x 48 x 100 mm 90 5 x 43 mm 102 mm max 5mm 0 C to 50
39. viour in critical situations e g Input values exceeds permissible measurement range User can select that the relays will be turned on turned off or not changed in critical situations All parameters connected with relay outputs are described in paragraph rEL menu 6 3 2 Two thresholds mode displayed value t d zoneB Seeerei HYS parameter a FA zem em em e vm emm em vm feces ee ee nn nn m mn m m mn wm nn fade nn mm mn a STEEN SEP or SP2 parameter i gt oe i Me EEE E E E E E E e EE l W s ZE eher 1 4 t HYS parameter zone B l d b relay state I a u o mod in ooo E a Z ton 0 i i i i i l toF 0 d i TE KE 1 time C relay state Id TE o D T u II closed i i ton 0 1 em i o toF 0 l Lag gt tot ur time relay state K i d d Nan a TI ton gt 9 ro i f toF gt 0 La Lil i i H Ka l i re ha time e relay state ton parameter toF parameter ton parameter n ou a oe i 1 closed i ton gt 0 toF gt 0j m i e ae a Ka time toF parameter ton parameter tof parameter Description A B C D E points where measured signal exceeds border values expected value allowed deviation Bon Borr Con Corr relays state changes moments for ton gt 0 toF gt 0 Eon Eorr ta tg tc to te time
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