Home

User`s ` YEWSERIES 80

1. is CHECK display available NO One probable cause of the malfunction is NO noise NO Normal operation YES Only the FAIL lamp is faulty CHECK 10 User ROM not installed or faulty Power off for at least 2 sec then check again NO Is circuit voltage normal Faulty power unit replace Replace display unit Replace I O card If normal operation is not restored re scc install original I O card If normal operation is not restored reinstall original display unit Faulty 1 O card replace Check to see that the voltage across User ROM pins 12 and 24 is in range 4 8 to 5 2 V IM 1B4C2 04E 7 4 4 ALM Lamp is Lit or Flashing YES Check power supply Is PWR ERR YES voltage displayed ___ Power supply voltage is NO within a normal range YES Change the power unit YES Remains lit ALARM 00 YES Improper program parameters Process variable signal alarm YES CHECK 08 40 NO Input signal or current output signal error NO Normal operation is not restored Replace battery voltage 2 45 V or higher nk YES Press TT j then Check CN1 and recheck other connections NO 4 Problem persists CHECK OC Check CN4 and CHECK AO other connections Problem persis E Faulty I O card See Section 5 7 4 replace for multiple errors
2. Manipulated variable STC mode designation Proportional band Integral time Derivative time STC parameters IP to GM PV SV DV Control Control set point Control deviation value Analog input registers Analog current output register Y 1 Auxiliary output registers Y 4 5 6 100 value 096 value decimal point position Status input Status output and internal status Operation mode Self diagnosis STC alarm Data decrease setting K T enar mm o D ER Control parameters for PID with batch switch Sampie and hold P1 control parameters Non linear control or 10 segment function parameters Non linear control dead band width 10 segment fine segment function output set points input deflection points Arbitrarily segmented Output set points line segment functions Input deflection points Output set points Adjustable set point filter parameter a Adjustable set point filter parameter 8 Process variable high limit alarm set point Process variable low limit alarm set point Velocity alarm MV Change in time VT Manipulated variable High limit setpoint Manipulated variable Low limit setpoint process variable input value Analog voltage output registers Y2 3 Control module PV SV engineering units display Control module PV SV engineering units display Control module PV SV engineering units display code displ
3. SLPC Control Module Seal YEWSERIES DO ec pa SGS se SS SIE EE MEIBEZZEBERE ES ES EE EE ES EES E Bee D NN CHE EE E ep 1 a T 1 p J 2 5 b Y 2 3 S C 5 A de 5 ch oun e reor ake Ee awa Data sheet WS 1BACZAS Program sheet OSC CNT1 4S MODE ESC CNTH 24 MOD L23 ESC CNTI 2 3 4 3 MEGA A11 Communication MOOEAS ESE ecc jor _ III PN EFE FER EE Err pele preteen EIEELFEEEEERNLLEEIDIELFEEELFEELLE Aa E E El Aa e LH Ene REESE ET EP a Aa e ERSEFEEEFFEFEEFEEFEFEEEREHJ Work sheet Data sheet Figure 1 2 1 Forms Used in Step 1 IM 1B4C2 04E 1 2 Step 2 Instruction manuals related to loading pro grams in ROM D SPRG Programmer Instruction Manual Note IM 1B4W1 02E YS80 Programmable Indicating Controller Func tions and Applications TI 1B4C2 02E Nameplate SPRG Programmer Figure 1 2 2 User ROM and SPRG Programmer Note When the SPRG Style A programmer is used for programming only the functions of the SLPC Style A programmable indicating controller a subject of the functions of the SLPC Style E can be programmed IM 1B4C2 04E Step 3 Install the ROM in the SLPC and proceed with operations This instruction manual is concerned with the operations for step 3 l Figure 1 2 3 SLPC Programmable Indicating Controller 2 INTRODUCTION The SLPC Programmable Indicating Controll
4. Note Where limits are indicated by a dash above this means that there is no preset limit Communication Functions The SLPC can communicate via an LCS card in YEWPACK puXL CENTUM with a central YEWPACK uXL CENTUM CRT display operator station The SLPC can also communicate with an SCMS Programmable Computing Station The SLPC can be connected to both an LCS card and SCMS The maximum length of cable SCCD cable to LCS card or SCMS computing station is 100m 328 ft IM 1B4C2 04E Mounting Flush panel mounting Instruments are in hous ings and may be mounted individually or side by side The instrument may be tilted in the front up to 75 from vertical rear of instrument lower than front Zero indicator may need readjustment Wiring Signal Wiring to from the Field ISO M4 size 4mm Screws on terminal block Power and Ground Wiring 100 V version JIS C 8303 two pin plug with grounding IEC A5 15 UL498 mr 220 V version CEE 7 VII CENELEC standard plug Power Cable Length 30cm 11 8in Housing Dimensions 182 5 H x 87 W x 480 D depth behind panel mm 7 2 x 34 x 18 9 in Weight Controller Unit 3 4 kg 7 5 1b Housing 2kg 4 41b excluding mounting kit Normal Operating Conditions Ambient Temperature 0 to 50 C 32 to 122 F Ambient Humidity 5 to 90 Relative Humidity non condensing Power Supply Two versions for 100 V standard or 220 V op
5. When all preparations are completed disconnect the power plug from the controller install it in the panel connect I O signal lines and finally apply power 5 3 Start Up and Operation NOTE This section explains the procedures for start up and operation of the controller The procedures for start up and operation of the controller may vary with the computation and control programs used The example below illustrates simple PID control The reader should fully understand the pro cedures described below before proceeding with controller startup and operation 5 3 1 Manual Start up 1 Manual operation with the manual operation lever a Press the M mode transfer switch Its built in indicator lamp comes on See Figure 5 3 1 Pushbutton switch Figure 5 3 1 Selecting Manual Mode IM 1B4C2 04E b Adjust the manipulated output signal by moving manual operation lever to the left or right See Figure 5 3 2 Set point up down keys Manual operation lever Figure 5 3 2 Manual Output Operation c Set a desired setpoint by using the set point up down keys See Figure 5 3 2 5 3 2 Alarm Checking and Transfer to Auto Mode Assume that smooth response characteristics have been achieved through manual output operation and the process variable has reached a state of equilibrium at or in the vicinity of the setpoint 1 Alarm checking See Figure 5 3 3 When the front panel
6. 2 4 Accessories Fuse 1A 1 piece Part No S9510VK ROM 1 module When NPR is selected the cont roller is supplied with blank ROM Part No A1123LQ Note The fuse S9510VK is the dedicated fuse Do not use it for other products IM 1B4C2 04E 3 INSTALLATION For general information on installation and mount ing refer to the Instruction Manual Panel Instru ment Mounting IM 1B4F1 01B 3 1 Wiring Connect external signal wires to the terminal board on the rear of the controller housing with M4 4 mm size screws Remove the cover from the housing for access to the terminal board Place the cover in its original position after wiring See Figures 3 1 1 and 3 1 2 Q d 8 eS SSM QM Figure 3 1 1 Terminal Layout M Terminal Connections Terminal Designation oo so a A QUN Table 3 1 1 Terminal Connections gt Analog input 1 gt Analog input 2 Note 1 gt Analog input 3 SET Note 1 gt Analog input 4 gt Analog input 5 gt Status signal 1 IN1 OUT6 Status signal 2 IN2 OUT5 Status signal 3 gt IN3 OUTA Figure 3 1 2 Terminal Board Cover Table 3 1 1 shows the terminal designations and signals to be connected to the SLPC Programmable Indicating Controller Terminal M E Description Designation A B C D F H J K L M N Note 2 gt Communications Status signal 4 gt INA OUT3
7. 3 If the index deviates from the tolerance rotate the zero adjustment screw so that the index points to the middle main scale graduation See Figure 6 2 4 4 Change the input signal to 1 0V 2 0V 4 0V and 5 0 V DC and insure that the output index points to the 0 25 75 and 100 points accordingly The tolerance is 2 5 of span 1 2 of each scale division 5 If the tolerance is exceeded in 4 return to step 1 and make fine adjustments with the reading to fit within the tolerance 6 Repeat steps 4 and 5 as necessary until the readings at all points are held within the tolerance IM 1B4C2 04E Standard screwdriver Figure 6 2 4 Zero Adjustment of Output Indicator 6 2 6 Inclined Mounting In the case of an inclined controller set it up at the actual mounting angle and adjust its measurement pointer and setpoint index zero points as instructed in Sections 6 2 2 and 6 2 3 6 2 7 Brightness Adjustment of Fluorescent Bar Graph Indicator Adjust the brightness of the fluorescent bar graph when it is low See Figure 6 2 5 Note Excessive increase in the brightness could have a harmful effect on the fluorescent tube life Standard screwdriver Figure 6 2 5 Brightness Adjustment of Fluorescent Bar Graph Indicator 6 2 8 Digital Display Setting Note The eight position DIP switches should be set with your finger nail or small screwdriver The fluorescent bar graph version has a four
8. Replace display unit not restored reinstall If normal operation is t original display unit Faulty main card replace IM 1B4C2 04E 5 C A M Mode Transfer Disabled Are C A M opera tions normal NO mode transfer disabled YES Operation mode transfers properly but lamp indica tion is abnormal Power down for at least 2 sec then power up and recheck WD Normal operation is not restored Check CN4 connection Normal operation is not restored Replace display unit Normal operation is not restored Is FAIL lamp lit YES Faulty I O card replace setpoint be increased 6 Setpoint or Manipulated Output Unchanged Manipulated output Can output be increased decreased YES Indicator failure Are set point and manipulated output operable from c Does operation tuning panel mode permit manipulation Check c A M MODE 2 3 Replace display unit If normal operation is not restored reinstall original display unit Faulty I O card replace IM 1B4C2 04E 7 6 7 Measurement Pointer Setpoint Index Error 8 Tuning panel failure Check c A M MODE and tuning Switch setpoints Check SV and PV indications on the tuning panel YES Is indication unstable Is indicating error some what
9. Derivative timerigh imitvetue arm P DA CR R L 2 1 2 A A a eret one EE PER ar ea minec ot w aon ES 2 Q E o values for NPR SPRG programmer volatilization om nochange o o 999 9 999 9 ROM initial value ROM Initial value STC mode OFF 0 1 2 Proportional band 6 3 to 999 9 so so mominitaivaue 00 Nochange o ss es Rommel es 9999 ROM itai value 2 s _ rom nt va 999 9 999 9 ROM initial vatue 999 9 9999 o0 Nochange o oo 0 000 0 000 oo mme o o 04 09 Integral time low limit value 1 to 9999 sec Parameter A ROM initialization with volatilization OFF Note 5 Note 8 Note 6 Note 8 1000 ROM initial value ROM initial value HEC ROM initial value ROM initial value mage o o 2 _ Rom tia vane No change PETAT NNNNNNNN Chr Gi eo ooo NNNNNNN Ve peje E NANA e plo lo fo ofojelofolofolo AAAANAAN TE delef Gier Note 1 R01 to RO5 are limit values for PB1 Tl and TD1 Note 4 Set PBn Tin TOn TRn OSn and RO1 to R10 again n 1 2 R06 to R10 are limit values for PB2 TI2 and TD2 Note 5 Set STC IPn NBn Min again n 1 2 Note2 O Setting is required Note 6 Set STC IPn Pn NBn OSn Min and RO1 to R10 again n 1 2 Setting is not required Note 7 The ROM initial value is a value when the program is written in user ROM while connected with
10. OPERATION eu a Pcie oC o eerta ONE UR 5 1 5 1 Names and Functions of Components S eR T NEE 5 1 5 2 Preparations for Operation ub ctae dt E E E EE deae et 5 8 5 3 Start Up and Operation IPC 5 10 5 4 Setting and Display of Self Tuning Function 5 11 5 5 Setting and Display of Adjustable Set point F ilter Function rS T 514 5 6 Automatic Control X ree A REN 5 15 5 7 Actions to be Taken When FAIL and ALM SECH Light Up 5 16 5 8 Connecting an SPRG Programmer eee 5 19 6 MAINTENANCE ocios da da EUER 6 1 6 1 Test Equipment IAEA A hra 6 1 6 2 Test Calibration and Adjustment oo o 6 1 6 3 Farts Replacement x ceda on AA ach 6 5 7 TROUBLESHOOTING eee fic aca E aes 7 1 7 1 Troubleshooting Flowcharts 6 0 0 00000 ccc e 7 4 7 2 Disassembling and Reassembling Procedures Ln 7 9 Customer Maintenance Parts List oo ooooooo CMPL 1B4C2 04E POWER SUPPLY TERMINALS for PANEL MOUNT ED INSTRUMENTS for HTB IM 1B4F1 11E O Copyright Nov 1989 KY 5th Edition Mar 2007 KP E TEE 1 INITIAL INSPECTION This instrument was thoroughly factory tested be fore shipment When the instrument is received how ever check visually for any external damage that may have occurred during transit Insure that it is complete with all standard accessories Read this sec
11. 1 Item TYPE selection Press the key of a desired display item and the data type code TYPE for that item will be displayed along with its value DATA If more than one item has been assigned to a single key the display changes from one item to another each time the key is pressed Example of key operation and display PV SV DV key Each arrow mark indicates one key operation EE E 2 NONLINEAR key Each arrow mark indicates one key operation BWI bbl e FUI bUl m Hu IDI LUOI HMNDI 2 Item number updating The item number can be updated increased by pressing the NG key Example of key operation and display XN key Each arrow mark indicates one key operation Dile ee 3 Data updating The data value can be increased or decreased by pressing the TUNING keys W E A These keys are operative only when the TUNING slide switch is set to the ENABLE position A Increase data value S Increase decrease data value fast Press con currently with A or W W Decrease data value 4 Self diagnostics The operating status of the controller can be displayed and checked by pressing the CHECK ALARM key The method of display is identical with 1 See Section 5 7 for further details 5 Display turn off The display goes off automatically approximately 30 minutes after the last key operation This elimi nates unnecessary current consumption The display lights up again when key ope
12. Fail negative terminal gt Analog output 1 current output gt Analog output 2 gt Analog output 3 gt Status signal 6 ING OUT1 Status signal 5 gt INS OUT2 Fail positive terminal Note 1 A jumper is attached between terminals 6 and 8 Use it to short terminals A and B when current output is not used Terminals 6 and 8 have no effect on instrument operation and can be shorted or left open 2 Use shielded twisted pair SCCD cables for communication lines IM 1BAC2 04E 3 2 3 1 1 Wiring Instructions 1 2 3 Be sure to use solderless crimp on lugs on all cable connections Each status contact and voltage input must be of the proper rating Note the limits on leadwire resistance voltage drop across leadwires and voltage high low levels The fail and status contact outputs are tran sistor contact signals isolated from power supply and other internal circuitry When connecting external devices pay attention to the following see Figure 3 1 3 Observe correct polarity of contact output terminals When connecting a relay or other inductive device connect a surge absorber protective Contact output circuit 4 5 6 diode CR circuit etc in parallel with the load Note that transistor contacts cannot be con nected directly to an AC circuit Use a relay to switch an AC circuit Do not connect any load which exceeds the contact rating 30 V DC
13. Pme Batch Deviation Setpoint BD1 Batch Bias Value BB1 Output T Output Tracking Output High Limit Setpoint MH1 Output Low Limit Setpoint ML 1 Manipulated aal S Figure 4 2 4 BSC Functional Block Diagram IM 1B4C2 04E E SLPC Circuit Block Diagram UND N 1 uns a 00 Jana UOneJado jenueyy El ot vos v TM vO Ly sojesipur dd 3xajd yjnw eg AW IN indino mE des EI Ly 09 tos LH Or eg ZO indu LH 09 Z 9 IX LY tam nd 0000000 Nr O DN z Es 110d suo neo Juno 4euuuue4604d Duds 101 10198uuo2 E WOU Joen P eoqAsy 101e91puj IM 1B4C2 04E 5 OPERATION 5 1 Names and Functions of Components 5 1 1 Controller with Moving Coil Indicator This controller uses a moving coil indicator for indicating the process variable and setpoint Figure 5 1 1 shows the front view of this type of controller SLPC 171 E and Figure 5 1 2 shows the side view of the controller The names of panel controls and other components are also shown in these Figures Programmable function key PF key Operation mode transfer switches Output memory index Nameplate FAIL lamp red ALARM lamp yellow Setpoint up down keys Setpoint index blue Measurement pointer red Output indicator Manual operation lever Control valve action label open close marks Figure 5 1 1 Controller Front View IM 1B4C2 04
14. nal Set a value that overshoots by about 5 of the PV The MI is added to the MV value so that the controlled deviation decreases depend ing on the DIR REV switch position and the current controlled deviation For an integral controlled process a pulse signal with an amplitude of TR S is added 3 Operation procedures a Check that MI values are correct b Check that the STC mode is set to 0 or 1 c Press the N key once and check that the tuning request RQ comes up d Then press the N key again If the tuning re quest is canceled press any key e Thus the MI is added to the MV RQ will blink for about TR 5 seconds While RQ is blinking the N key even if pressed is omitted 5 4 4 Display of Self Tuning Operation 1 Side tuning panel When STC 0 or 1 and the self tuning function is operating 0 or 1 blinks When STC 2 and start up is being executed 2 blinks When either operation is stopped or the controller is in MAN mode the lamp on the tuning panel is lit continuously not blinking 2 C A Mmode display lamps front of instrument While STC 2 and during start up the C or A lamp blinks 5 5 Setting and Display of Adjustable Set Point Filter Function The adjustable set point filter abbreviated as SVF is based on a PI D type control algorithm and is con figured so that filtering is added to the set point part The effect of the filter can b
15. status and these registers may be simply ignored if the optional functions are not required Control elements such as standard PID sample and hold PI and PID controller with batch switch can be selected With the cascade control module CSC the SLPC functions as two controllers in cascade The cascade loop can be opened or closed from the side panel keyboard With the selector control module SSC the SLPC can function as an autoselector controller or as a tracking controller which can select and output one of several input signals As the CSC and SSC functions incorporate two built in control elements the front panel displays the set point process variable and mani pulated variable of the first element and the side panel displays those of the second Process Variable PV Input Process Variable Cascade Setting Applied when Mode 2 1 A12 Setpoint Output Adaptive Gain Deviation Alarm High Limit Alarm PHI FL 1 Low Limit Alarm PL1 Velocity Alarm VL1 FL4 High Limit Setpoint B06 E B06 Low Limit Setpoint a Velocity Setpoint VL1 l Velocity Time Duration VII Deviation Alarm DL1 EL 3 Deviation Setpoint STC Status CNT1 i om Nonlinear Gap GW1 ES Nonlinear Gain GG1 Sampling Period ST1 B13 Bi Control Time Width Di De 1818 svF parameter amp bi es mo SVF parameter 2 Sample and Hold PI B01 PBI Propotional 3 Batch PID Band Di TI1 Integral Time A TO1 Derivative Di
16. 2 2 Disassembling Display Unit IM 1B4C2 04E 7 10 1 O Board Assembly Front Frame Bottom Bottom Figure 7 2 3 Disassembling Main Unit IM 1B4C2 04E 7 2 5 Replacement of Fluorescent Bar Graph Display Tube 1 Disassemble the display assembly as instructed in Sections 7 2 1 and 7 2 2 2 Remove the cover by unscrewing two screws in Figure 7 2 4 to expose the display tube 3 Carefully pull forward the display tube with the card by grasping its PC board 4 Install a new display tube and assemble it by reversing the removal procedures above Take care not to damage the sealed part of the tube during assembly See Figure 7 2 4 Sealed Port of Fluorescent Tube Cover EN Display Mode Assembly 7 11 7 2 6 Reassembly To reassemble with new parts reverse the dis assembly procedures Assembly Notes O All screws are of the same type O Insure that all necessary connectors CN1 to CN7 have been inserted in proper positions In inserting connectors observe their positions and faces with bosses visible and opposite sides PC board sides l 7 2 7 Continuity Check Once the SLPC Indicating Controller is disas sembled it is initialized with its internal data being lost At the same time the ALM lamp lights up if the controller is turned on As CHECK 80 is displayed on the tuning panel press the key and enter data into the controller again Figure 7 2 4 Re
17. PBu Integral time 0 5 Pu Derivative time 0 125 Pu The method explained above is called the Ziegler Nichols threshold sensitivity method and provides a response characteristic with approximately 25 amplitude attenuation Various adjustment methods such as the step re sponse method have been proposed as alternatives to the Ziegler Nichols method please refer to tex tbooks on automatic control IM 1B4C2 04E 5 16 5 7 Actions to be Taken When FAIL and ALM Lamps Light Up The SLPC programmable indicating controller is furnished with a FAIL lamp and an ALM lamp to vis ually indicate failures in the controller itself and signal errors respectively Whenever a lamp lights up or begins to flash take appropriate corrective action promptly 5 7 1 Actions to be Taken when FAIL Lamp Lights Up The FAIL lamp when lit indicates that a serious failure has occurred in the controller 1 Monitor the current output signal and set it with the manual operation lever to a value that does not adversely affect the process The measurement indicator gives the value of analog input signal No 1 X1 The values just before the failure are held for analog and status outputs during failure The manual operation lever permits manipulating the current output but cannot hold the manipulated output constant for a long time the voltage out put signal decreases with time If the output has to be held use the SPBD manual
18. control station to back up the SLPC For either output an incor rect value may be held depending on which part of the circuit failed Battery Check Button Battery Check Point Input Indicator Selector Switch Manipulated Output Indicator Manual Adjustment Knob Cable with Connector 2 Insert the cable connector from the SPBD manual control station into the jack at the bottom of the SLPC housing and switch the controller output from the SLPC to the SPBD See Figure 5 7 1 3 Select the CHECK item on the tuning panel and determine the cause of the failure See Section 5 74 If the failure is considered attributable to a hardware fault remove the instrument from the panel and troubleshoot it as instructed in Section 7 5 7 2 Actions to be Taken when ALM Lamp Lights Up An illuminated ALM lamp indicates that the controller s high or low limit alarm is actuated or the input output signal line is open Select the CHECK ALARM and STALM SLPC 81 only items on the tuning panel and examine the cause of the alarm condition See Sections 5 7 4 and 5 7 5 5 7 3 Actions to be Taken when ALM Lamp Flashes The ALM lamp begins flashing when the voltage of the data protect battery drops Replace the battery as instructed in Section 6 3 4 Housing Connector Port Controller Figure 5 7 1 SPBD Connection IM 1B4C2 04E Notes 1 When the ALM lamp begins flashing during normal operation re
19. i The PID limit values RO1 to R10 are auto matically set to four times for high limit values or 1 4 for low limit values of the initial PB TI and TD values obtained by auto matic start up 5 Ifa power failure occurs during automatic start up the operation mode is transferred to MAN mode with STC 0 after the power recovers IfaSTALM Refer to Paragraph 5 7 6 occurs during automatic start up the start up opera tion is stopped and operation mode is trans ferred to MAN with STC 0 If during automatic start up with the or lamp blinking the operation mode is switched to MAN automatic start up is stopped STC is set to 0 5 4 3 On Demand Tuning In the on demand mode an STC controller allows the operator to carry out self tuning from the PV re sponse by applying a test signal to the MV value as re quired 1 Applicable conditions An on demand tuning operation is possible when the following conditions are all satisfied e When only basic control BSC or cascade con trol CSC is selected When selector control IM 1B4C2 04E 5 14 SSC is selected on demand tuning is not available When the control operation is in the AUTO or CASCADE mode When the DDC or SPC mode is selected on demand tuning is not available When the STC mode is set to 0 or 1 2 Setting parameters and operation Set parameters when the STC is set to 0 or 1 MI Sets the amplitude of an applied test sig
20. 0 in the display internal data lost does not return to 00 automatically use the key to reset the display 5 7 5 ALARM Display The alarm status of the control function is dis played as a 2 digit number The ALM lamp also lights up Display ALARM T Alarm of first contro element Alarm of second control element ALARM display U l g U H Normal If two or more alarm conditions occur at the same time the total of the individual values is displayed sum of their hexadecimal values Examples High limit alarm Low limit alarm Deviation alarm Velocity alarm ALARM 15 6 2 4 Low limit alarm Deviation alarm ALARM E5 E 2 4 8 Low limit alarm Deviation alarm Velocity alarm 5 4 High limit alarm Deviation alarm The display returns to 00 when the alarm condi tions are removed IM 1B4C2 04E 5 18 5 7 6 STALM Display SLPC 381 Only Examples STALM is assigned to the key and when the self tuning function cannot operate normally dis l r i STALM 086 plays STALM status using a 2 digit number Table 5 7 shows the diagnoses which correspond to STALM dis play codes The ALM lamp also lights up 6 2 4 PID values at limits When two or more alarms occur simultaneously the manipulated variable output stuck at limit sum of the individual alarm display codes is displayed i e addition of hexadecimal numbers STALM SEM EO 20 40 80 STC
21. 200 mA The status contact inputs and outputs are desig nated by program so wire them after confirma tion of the program If not designated status contact signals 1 to 3 are input DI and status signal 4 to 6 are output DO Use shielded twisted pair SCCD cables for communication lines terminals 17 and 18 Short current output terminals not in use Positive Protective diode Negative AC source Figure 3 1 3 Contact Output Connections IM 1B4C2 04E 4 PRINCIPLES OF OPERATION 4 1 Circuit Descriptions See the SLPC circuit block diagram on page 4 4 4 1 1 Analog Input Circuit A voltage input signal enters the input circuit consisting of RIN Ri and Cl RIN uses a high value of resistance 1 MQ so it normally does not affect circuit operation However if the input circuit opens input is disconnected it provides a DC path between and input terminals to prevent the buildup of static charge on the input line 0V DC input e g input is open is equivalent to 25 of the range Ri and CI form an input filter with a time constant of approximately 0 1 sec All analog input negative leads are connected to a common line inside the SLPC 4 1 2 Analog to Digital Converter Circuit Analog input signals entering the input circuit are sequentially selected by the input multiplexer The comparator compares an input signal with the output of the digital to analog converte
22. ALM lamp is on it indicates that some signal line error has been encountered De termine the cause of the error by calling the CHECK ALARM item on the tuning panel and remove it When the FAIL lamp is on it indicates that a failure has occurred in the SLPC programmable indicating controller itself See Section 5 5 2 Transfer from manual operation to automatic operation Press the mode transfer switch and the built in indicator lamp comes on to indicate auto mode is es tablished Mode transfers require no balancing opera tion as they occur bumplessly e e FAIL lamp red ALM lamp yellow co ceo os o or Figure 5 3 3 FAIL and ALM Lamps 5 3 3 Normal Operation 1 Operation mode transfer The SLPC programmable indicating controller can be switched from one mode to another by simply pressing the or M mode transfer push button switches provided that direct transition from M to C mode is prohibited Mode transfers require no balancing operation as they occur bumplessly 2 Parameter setting on the tuning panel Controller parameters can be set or reset at the user s discretion by simply pulling the internal assemb ly out from its housing and entering the parameters on the tuning panel After parameter setting set the TUNING slide switch to the INHIBIT position to pre vent accidental changes to the parameters 5 4 Setting and Display of Self Tuning Func tion The self tunin
23. CO CO CO CH ken on 9 G E EH 9 EA CO E E E EH E E E E E rn oo e E u u nn CO vn E rn OH OF OH E rn OF 0 0 0 0 0 0 0 0 0 0 o0 AHA d d d e dm d E d QO CO CO QO CO Qo QO CO NN DO CO DO DO DO BO DO DO D OOOGOOOoOoooocoooooooooocooooooocooocooco oooocooooooooooooooooooooooooooooooo ooo 0000 0000 o0o000 o0o000 CO EH cO CO CO CO CO CO CO CO CH EH CO CO EH CH we mm u m u u e en bet ren een bech wn en e oo CO OO OO OO OO OO OO Ch Oh OO OO On O O rr m m m m u rr rs ron rz bh OOO C3 1 l 1 1 l l l l l l 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Four digit Display Unit SW L SW2 R aN nm coa O N lt m Y 7 wo N X emt N BEER BEER EE pp EE The decimal point position is SP MARA located after the second digit The decima point position is EA eee eee eee The decimal point position is located after the fourth digit ERN REPE y D P Setting Switches Note The decimal point position cannot be changed for both the minimum and maximum values Figure 6 2 8 Decimal Point Position Setting IM 1B4C2 04E 6 3 Parts Replacement 6 3 1 Replacing the Nameplate Pull the internal assembly out slightly from the housing Open the top lid of the internal assembly and replace the nameplate See Figure 6 3 1 Figure 6 3 1 Replacing Nameplate 6 3 2 Replacing the Scale Plate Open the top lid of the internal assemb
24. DEES User s YEWSERIES 80 Manual Models SLPC E 151 181 251 281 Style E Programmable Indicating Controller S IM 1B4C2 04E a ee AAA YOKOGAWA e moe Yokogawa Electric Corporation _ 5th Edition Notices a Regarding This User s Manual _ 1 This manual should be passed on the end user Keep at least one extra copy of the manual in a safe place 2 Read this manual carefully and fully understand how to operate this product before you start operation 3 This manual is intended to describe the functions of this product Yokogawa Elec tric Corporation hereinafter simply referred to as Yokogawa does not guarantee that the functions will suit a particular purpose of the user 4 Under absolutely no circumstances may the contents of this manual in part or in whole be transcribed or copied without permission 5 The contents of this manual are subject to change without prior notice 6 Every effort has been made to ensure accuracy in the preparation of this manual Should any error or omissions come to your attention however please contact your nearest Yokogawa representative or our sales office H Hecardlhg Protection Safety and Prohibition against Unauthorized Modification 1 In order to protect the product and the system controlled by it against damage and ensure its safe use make certain that all of the instructions and precautions relating to safety contained in this manual are strictly adhered to Yokogaw
25. E Moving coil indicator Data protect battery Set point index zero adjustment screw Stopper Fluorescent bar graph indicator Intermediate stopper Fusehoider Connector Two pole plug with grounding contact Terminal board Digital display select pushbutton Other components are identical with those of the moving coil indicator version Figure 5 1 2 Controller Side View 1 FAIL lamp Lights up when the controller fails 2 ALM lamp Lights up to indicate the establishment of an alarm condition and flashes when data protect battery voltage drops 3 Measurement pointer Indicates the value of the process variable 4 Setpoint index Indicates the value of the setpoint 5 Setpoint up down keys Used for adjusting the setpoint Operable while in A auto or M manual mode Setting To increase setpoint press Al key To decrease setpoint press W key The setpoint remains unchanged when the two keys are pressed at the same time Setting rate 40 sec full scale Fine adjustment Pressing the key momentarily for approx 0 2sec changes the setpoint by 0 1 6 C A M mode transfer switches The desired operation mode can be selected by _ pressing the appropriate pushbutton The pushbutton built in indicator lamp lights up C mode Automatic control The setpoint is set using the computational functions or by com munications data IM 1B4C2 04E A mode Automatic contr
26. E9714AD Display Assembly 3 E9716WN Display Board Assembly 4 E9711FR Cover 5 Y9306JB Pan H Screw M3 x 6 6 E9711DA Frame Assembly 7 E9711FH Knob 8 E9711KM A M Unit 9 E9714CW PF Key Assembly 10 Y9306JB Pan H Screw M3 x 6 11 E9711GP Cover 12 Y9306JB Pan H Screw M3 x 6 CMPL 1B4C2 04E Oct 1989 Printed in Japan Instruction HTB Manual Power Supply Terminal Connections for Panel mounted Instruments Option BEE 1 GENERAL If you specify the terminal board to which the power source is directly connected suffix code HTB the external wiring to the terminal board is necessary 2 APPLICABLE INSTRUMENTS wu ten Strip Chart Recorder Indicator With Housing Bar Graph Indicator With Alarms Indicator With Alarms Indicating Controller Programmable Indicating Controller Programmable Indicating Controller with Pulse gt Width Output Manual Station Auto Manual Station Ratio Set Station Programmable Computing Station Batch Set Station Blending Controller Batch Controller Totalizer 3 NAME OF COMPONENTS AND TERMINAL DESIGNATION OF POWER SUPPLY Terminal boum Designation escription o9 AC or DC Power Supply Os DC polarity reversible 9 Ground o O o Ge Signal Terminal Be Note 1 Be careful for which Signal Terminals Signal Terminal le o have L N terminals too e Note 1 Terminals Layout 4 POWER SUPPLY AND GROUND WIRING 1 Al
27. MS Replace SCMS Observe problem on UOPS COPSV system message panel NO FAIL NO YES LCS or following circuits failure SCMS fault Supervisory system Replace LCS card fault If not successful reinstall 4 LCS card in original position Replace SLPC internal assembly YES SLPC fault NO Fault except internal assembly Aoc housing Check CH and 12 Start Mode Failure Set MODE 1 to desired status 0 cold start 1 hot start and turn power off for the prescribed time inter Vt notsaccasstul val Then if the controller fails to start up in the spec ified mode the I O card is faulty When an SPRG Check communi Programmer is connected to the controller even a cations cable for E E Faulty main card momentary power interruption with a duration of 2 correct polarity open or short circuits replace k seconds or longer is assumed to be a power failure IM 1B4C2 04E 7 2 Disassembling and Reassembling Procedures Follow the disassembly and reassembly procedures in this section to replace possibly faulty units CAUTION Limit the scope of disassembly to the minimum required Have a YOKOGAWA service center replace parts not covered in this section H First remove the cover as shown in Figure 7 2 1 7 2 1 Removal of Meter Assembly 1 Remove seven screws in Figure 7 2 3 2 Remove connectors 3 CN3 CN4 and CN7 3 Carefully pull
28. X 0 5 fixed Figure 5 5 1 Effects of PX and PY Parameters 5 6 Automatic Control When applying the controller to an unknown process it is useful to examine the performance of the process in manual mode This can be useful in estimating the proportional band integral time and derivative time required for automatic mode For example if a small change in the controller output causes a large fluctuation in the process vari able value the width of the proportional band must be increased the gain must be reduced to assure stability Conversely the proportional band must be narrowed For a process which responds quickly to a change in the controller output the integral and derivative time constants must be short Conversely for a process having a long recovery time the integral and derivative time constants must be long 1 Proportional integral controller a Set the operation mode to and manually adjusts the process variable until it agrees with the set point Set the integral time to 9999 seconds set the proportional band to a suffici ently large value and then set the derivative time to 0 seconds b Set the operation mode to A c Perform the following operations to obtain the optimum value for the proportional band Lower the proportional band in steps from a sufficiently large value for example 100 50 gt 20 Take a sufficiently long time for each step so that the control state
29. a does not guar antee safety if products are not handled according to these instructions 2 Be sure to use the spare parts approved by Yokogawa when replacing parts or con sumables Modification of the product is strictly prohibited 3 4 Reverse engineering such as the disassembly or decompilation of software is strictly prohibited 5 No portion of the software supplied by Yokogawa may be transferred exchanged leased or sublet for use by any third party without the prior permission of Yokogawa B Force Majeure 1 Yokogawa does not make any warranties regarding the product except those men tioned in the WARRANTY that is provided separately 2 Yokogawa assumes no liability to any party for any loss or damage direct or indirect caused by the user or any unpredictable defect of the product 2004 05 01 00 Contents CONTENTS Section Title Page 1 INITIAL INSPECTION llle lai 1 1 1 1 Confirm Model and Suffix Code 1 1 1 2 References iia a RC P RDA E 1 1 2 INTRODUCTION ue od rede E fo oe a oS 2 1 2 1 Standard Specifications 2 1 2 2 Model and Suffix Code 2 3 2 3 Optional Specifications o o o 2 3 24 Accessories EE 2 3 3 INSTALLATION oe A AL Bey 3 1 A EE EEN 3 1 4 PRINCIPLES OF OPERATION UPPER X e p E ER RET 4 1 4 1 Circuit Descriptions voveo al GAL LC AP rea do an 4 1 4 2 Principles of Computation and Control acia eda eU was 4 1 S
30. aying cause of fault Process alarm code displaying cause of alarm code displaying cause of alarm 800 0 to 800 0 0 1 800 0 to 800 0 0 1 0 to 100 0 O to 100 0 0 to 100 0 0 to 9999 0 to 9999 0 0 to 100 0 0 000 to 1 000 0 0 to 100 0 Linear setting of 0 0 to 100 0 25 0 to 125 0 Engineering units display 800 0 to 800 0 0 to 9999 25 0 to 125 0 800 0 to 800 0 0 000 to 1 000 0 000 to 1 000 Engineering units using SCALE Engineering units using SCALE Engineering units using SCALE Engineering units using SCALE 1 to 9999 6 3 to 106 3 6 3 to 106 3 6 3 to 106 3 Refer to Section 5 4 6 3 to 9999 1 to 9999 0 to 9999 Note 3 Refer to Section 5 4 Engineering units using SCALE Engineering units using SCALE Engineering units using SCALE Engineering units display Engineering units display Engineering units display Engineering units display 9999 to 9999 9999 to 9999 1to4 0 1 0 1 See Table 5 1 2 Note 1 PXN and PYN are effective for SLPC 51 and SLPC 081 Note 2 STC and STC parameters are effective only for SLPC 81 Note 3 Action range is 2 to 9999 sec 0 amp 1 OFF IM 1B4C2 04E Table 5 1 2 Control Modes MODE Set conditions 3 TUNING switch DIR direct action Dev
31. ble high low limit alarms velocity limit alarm deviation alarm set point transmission input compensation signal addition nonlinear control variable gain feedforward signal addition Adjustable Filter for Set Point Changes Response to setpoint changes can be adjusted Two adjustment parameters for each set point Self tuning Function in SLPC D81 Features Self tuning selector ON OFF switch can be oper ated manually or by user program Limits can be set for tuning of PID parameters Control and Computational Periods 0 2 or 0 1 seconds IM 1B4C2 04E 2 2 Computational Functions Max no of times function may be used in program Functions Function name Addition Subtraction Multiplication Division General Magnitude absolute value functions Square root with low signal cutoff High selector Low selector High limiter Low limiter 10 segment transfer function user definable break points two functions Transfer function with user definable number of segments Functions High limit alarms with unit Low limit alarms addresses First order lag f First order lead Dead time velocity computa tions and moving average Velocity limiter Timers Program set unit Detection of status change Pulse input counter Pulse rate output AND OR XOR NOT CMP test if greater than or Logical equal functions Branching Conditional branching Subroutine calls Signal switching
32. can be fully observed Continue this operation until the control loop begins cycling Cycling refers to periodic oscillation of the process variable pointer around the set point This phenomenon is caused by setting the proportional band narrower setting the gain higher than the optimum value for the process The optimum proportional band is approx 2 2 times that of the proportional band which causes such cycling Next measure the cycling period The optimum integral time can be obtained by multiplying this oscillation period by 0 83 Up to a point decreasing the integral time improves the control response But if the in tegral time is decreased past a limit which is decided by the lag characteristic of the proc ss cycling will start If this happens increase the integral time gradually until the cycling stops 5 15 2 Proportional integral derivative controller a Set the operation mode to and manually adjust the process variable until it agrees with the set point Set the integral time to 9999 seconds Set the proportionala band to a sufficiently wide value and set the derivative time to 0 seconds b Set the operation mode to A c Change the proportional band as described above and find the point where cycling just starts to occur Measure the proportional band value PBu at this point and the cycling period Pu d The optimum settings can be determined as follows Proportional band 1 7
33. cles Tp that are considered normal and set TR Tp GO When response time variations are estimated Select the desired response time When the response time between an increase and a de crease in the measured temperature for fur nace temperature measurements differs for example select whichever response time is greater 5 Notice 1 20 of the TR is the sampling period Ts for estimating the process so a response wave form less than 2Ts cannot be captured cor rectly Generally when the TR is larger than the correct TR value it has fewer process charac teristic errors If the TR changes data files are initialized during a response time of 4TR so the STC does not operate NB Noise Band Set the NB to twice the peak value of the noise signal superimposed on the measured signal The NB is used to prevent the process from being inf luenced by a noise signal OS desired response pattern Set the type of desired response pattern a criteria for self tuning IM 184C2 04E Overshoot about 5 Overshoot zero Overshoot about 10 Overshoot about 15 7 MI Signal applied to the MV 8 9 When the STC is set to mode 2 or the on de mand mode set an additional signal that is ap plied to the manipulated variable MV so that the measured value overshoots by about 5 of the full scale When the STC is in mode 2 it is operating manually Therefore apply the MI so that the current con
34. ctric Corp Model 7651 or equivalent 1 unit SPRG Programmer 1 unit 6 2 Test Calibration and Adjustment 6 2 1 Generating a Maintenance Program Connect the SPRG programmer to the SLPC controller and generate the following program Maintenance program step Program No other operations such as parameter settings are required After preparing the program set the SPRG pro grammer in TEST RUN mode set MODE2 to 1 on the SLPC controller tuning panel and press the mode transfer pushbutton switch Then carry out the following adjustments 6 2 2 Zero Adjustment of Measurement Indicator Moving Coil Version 1 Apply a voltage of 3 0 V DC to process variable input terminals Xl terminals 1 and 2 from the DC voltage current standard 2 Check that the measurement pointer indicates 50 0 5 of the calibration mark on the scale plate 3 If the reading is not in this range rotate the zero adjustment screw to point to 5046 as shown in Figure 6 2 1 4 Change the input signal to 1 0V 2 0V 4 0V and 5 0V DC and check that the readings are at 0 25 75 and 100 calibration marks re spectively The tolerance is 0 5 of span Check each calibration mark at the position where the line of sight and set point value indicator are horizontal 5 If the tolerance is exceeded in 4 apply 3 0 V DC again and make fine adjustments with the reading to fit in the rang
35. de control module CSC which consists of two controllers combined in series O Signal selector control module SSC which consists of two controllers combined in parallel selects one of three signals either one of two controller outputs or an input signal Figure 4 2 2 Behavior of Arithmetic Registers Associated with the Sample Program Input registers Input conversion Computational Analoglinputs Digital inputs parameters LOAD Xl FUNC BSC STORE Y1 Repeated every 0 2 s or 0 1 s Analog outputs Digital outputs Output registers Yn O 4 to 20mA 1to5V E D be D D u Q k o uv 2 c 9 o x o 2 c o o 3 D m 3 O Figure 4 2 3 Input Output Register Configuration IM 1B4C2 04E A program to operate the SLPC as a PID controller is very simple as shown below 1 LD XI 2 BSC 3 ST YI 4 END A variety of options can be used with the BSC con troller as shown in Figure 4 2 4 These functions can be utilized by using A B and FL registers in pro grams In cascade control mode for example an ST in struction is used to store the cascade set point input value in Al When a feedforward compensation is required the feedforward signal is stored in A4 The high or low alarm status can be output by storing the contents of FL1 and FL2 in DOn digital output registers Optional functions defined by certain A registers and FL registers are initialized to OFF
36. de of the SLPC Programmable Indicating Controller See Figure 5 1 5 Keyboard setting inhibit enable switch Direct action reverse action selector switch een et a a a c PROGRAMMABLE CONTROLLER MODEL SPG 4 Display TUNING ACTION L TYPE DATA y INHIBIT RVS1 BATCH NON PN SAMPLE LINEAR TN l Cover for SPRG con nector and ROM ROM socket PV XN DI Keyboard SV YN DO CHECK DV SCALE MODE ALARM OU N r TUNING SPRG programmer 4 Y S A E a a oe oe oe oe eo o o o e e e PROGRAMMER Figure 5 1 5 Tuning Panel 1 Display Displays the data type code TYPE and data value DATA of the data entered from the keyboard Display example Fg TL OB Lt Ueto ee TYPE DATA 2 Keyboard Used for entering parameters displaying and changing data and so on The names and functions of the keyboard switches are summarized in Tables 5 1 1 and 5 1 2 IM 1B4C2 04E Table 5 1 1 Names and Functions of ae Panel Keyboard Switches E registers Cl registers O registers CO registers Deviation set point Bias value Lockup width SAMPLE Sample times periods Control times NON LINEAR Non linear control gain Computional parameters Computional parameters Program setting time Program settings output value Temporary storage registers Not used Deviation alarm set point Velocity alarm Time duration
37. digit display on the right side of the bar graph indicator on the front panel The numeric value displayed on the digital display corresponds with that displayed on the bar graph indicator scale When the scale plate is changed the digital display setting must also be changed by the following pro cedure Figure 6 2 6 Eight Position DIP Switches 1 Remove the cover as shown in Figure 6 2 6 2 Two 8 position DIP switches L and R are located side by side inside the cover See Figure 6 2 6 3 The DIP switch setting direction marks are pririted on the scale plate See Figure 6 2 7 4 Set the DIP switches according to the indicated setting positions so the digital display conforms to the scale graduations on the scale plate EN setting When the switches Plate are set as shown values from roel 0 0 to 100 0 are displayed ON tirrr irral 100 Es is an example switch e x a EU Se Ss This indicates the direction in which the switch must be set Figure 6 2 7 DIP Switch Setting Direction Marks Printed on Scale Plate 5 If the value displayed on the four digit display is to be displayed on a different range from the indi cator scale range set the 8 digit DIP switch as fol lows a Select the desired display values minimum and maximum values from Table 6 1 b Set binary values which correspond to these minimum and maximum values on SW1 L and SW2 R Nos 1 to 7 of SW1 L are used f
38. e adjusted by two parameters to continuously change the set point fol low up characteristics between PI D and I PD SLPC 151 and SLPC 81 are equipped with this function 5 5 1 Effect of Changing the Filter Parameters Figure 5 5 1 shows examples of set point follow up waveforms observed when parameters PX a and PY 8 are separately changed from 0 to 1 IM 1B4C2 04E The PX parameter has the greater effect on the fol low up waveform The larger the value of PX the faster the rise time of the follow up waveform The PY parameter on the other hand has a fine adjustment ef fect and the larger the value of PY the smaller the overshoot 5 5 2 Method for Tuning PX and PY 1 When no self tuning is provided Make a step change in the manipulated variable output and calculate optimum P I and D values from the response Make a step change in the set point and adjust PX so that the intended followup characteristic is obtained When derivative action is provided fine adjustment by PY is possible The recommended values of PX and PY are PX 0 5 and PY 0 0 2 When self tuning is provided After setting PX 0 5 and PY 0 0 recom mended values start operation using the self tuning function PX is optimized to provide the best response to set point changes PID parameters are optimized to provide the best response to an external disturbance e Effect of PX PY 0 fixed e Effect of PY P
39. e of 50 0 5 6 Repeat 4 and 5 until the readings at all input points are held within the tolerance Figure 6 2 1 Zero Adjustment of Measurement Pointer 6 2 3 Zero Adjustment of Setpoint Index Moving Coil Version 1 Apply a voltage of 3 0 V DC to input terminals X2 terminals 3 and 4 from the DC voltage current standard Standard screwdriver Figure 6 2 2 Zero Adjustment of Setpoint Index IM 1B4C2 04E 6 2 2 Adjust using the same procedure as described in steps 2 through 6 for the measurement pointer zero point Section 6 2 2 Figure 6 2 2 shows how to adjust the setpoint index zero point 6 2 4 Adjusting Fluorescent Bar Graph Indicator The fluorescent bar graph indicator requires no zero adjustment for either the setpoint index or input indication Perform only steps 1 and 2 Section 6 2 2 6 2 5 Zero Adjustment of Output Indicator 1 Apply a standard voltage of 3 0 V to input termi nals X3 terminals 5 and 6 from the DC voltage current standard Keep current output terminals A and B shorted 2 Make sure that the output index is just on the main scale mark in the middle The tolerance is 2 5 equivalent to 1 2 of each scale division See Figure 6 2 3 Check each main scale mark at the position where the line of sight and output indicator pointer are vertical Output indicator pointer Figure 6 2 3 Output Indicator Main Scale Marks
40. e scale for indicating the process variable and setpoint in engineering units in this order maximum value minimum value and decimal point Maximum value HI Set the value to be dis played when the internal data is 1 0 Key in an as signed 4 digit integer Minimum value LO I Set the value to be dis played when the internal data is 0 0 Key in an as signed 4 digit integer Decimal point JP Specify the decimal point position by its number Decimal point number Note Decimal point is not displayed at decimal point number 4 position Example Setting a scale range of 10 00 to 40 00 Key in z Se HI 1000 Current Hi value is dis LrvprJ Lpara Played in the DATA section z may be used ES y concurrently HI 000 LUI H Lryped Lpata t Current LO1 value is dis played in the DATA section amp may be used concurrently LUI IDUUO Current DP value is dis played in the DATA section IP IP d For details of decimal point see the figure above However use the Al keys to change a setting XY lH For cascade or selector control the scale for the second control element must be set in the same way as for the first con trol element 5 Setting other parameters Set all other parameters necessary for control and computation Parameter setting can be facilitated by the use o
41. e the power on in the controller while rep lacing the battery If the battery is removed while the power is off some data parameter settings will be lost 1 Pull the internal assembly out slightly from the housing and remove the battery cover and the battery See Figures 6 3 4 and 6 3 5 2 Insert a new battery and mount the battery cover in position 3 Insure that the front panel ALM lamp stops flashing IM 1B4C2 04E 6 6 Handling Care of the Data Protect Battery 1 Storage conditions Ambient temperature 10 to 60 C Ambient humidity 5 to 95 relative humidity non condensing Location free from corrosive gases 2 Where possible replace the battery with its case Be sure to observe correct battery polarity when installing just the battery itself 3 When measuring battery voltage be sure to use a high input impedance voltmeter Never measure voltage with a circuit tester or the like Voltage 2 45 V or higher H Ai H E Figure 6 3 4 Removing the Battery Cover 4 Cautions in handling batteries O Do not recharge batteries O Do not heat or dispose of batteries in a fire O Do not short together the positive and negative poles O Observe correct polarity when installing O Do not apply shock do not attempt to dis assemble 6 3 5 Replacing User ROM CAUTION Do not attempt to install or remove User ROM while the controller is energized otherwise the controll
42. ep change in MV may cause the output value to reach the limit value or MV over range Stop Process variable input is out of range The change in the process variable was too small for automatic start up to be executed and the maximum observation time about 80 minutes has passed IM 1B4C2 04E 5 8 Connecting an SPRG Programmer Use an SPRG Programmer to change set data or control programs stored in the controller Refer to the SPRG Instruction Manual IM 1B4W1 02E for detailed SPRG operation infor mation This section explains how to connect the SPRG Programmer to the SLPC programmable indicating controller CAUTION Never attach or remove the SPRG connector from the SLPC while power is being supplied 5 8 1 Connecting the SPRG 1 Turn off both the SLPC and SPRG 2 Set the SPRG in PROGRAM pde 3 Attach the SPRG cable connector to the SLPC See Figure 5 8 1 4 Turn on the SPRG 5 Turn on the SLPC 5 19 5 8 2 Disconnecting the SPRG 1 Set the SPRG in PROGRAM mode 2 Turn off the SLPC 3 Turn off the SPRG 4 Detach the SPRG cable connector from the SLPC Alingnment Marks A Programmer Figure 5 8 1 Connecting the Cable to the SLPC IM 1B4C2 04E 6 MAINTENANCE This chapter explains the SLPC Programmable Indicating Controller adjustments and parts replace ment procedures 6 1 Test Equipment DC voltage current standard Yokogawa Ele
43. er is a microprocessor based user programmable instrument which provides signal computation and control func tions as well as sequence logic functions In addition to simple PID control batch control and sample and hold PI control the SLPC s control functions include variable gain control and dead time compensation control and a single SLPC can simulate two controllers in a cascade control or autoselector control configuration A new intelligent self tuning model automatically optimizes PID parameters A user adjustable set point filter used to improve the response to set point changes is also provided as a standard feature There are about 46 different computational and se quence logic functions these can be freely combined to create user defined functions And by using subprograms even large or complex application programs can be easily realized The SLPC controller is as easy to program as an electronic calculator It is programmed by connecting it to an SPRG programmer 2 1 Standard Specifications Input Output Signals Analog Input Signal 1 to 5 V DC 5 points Analog Output Signal to 5 V DC 2 points 4 to 20mA DC 1 point Status Input Signal Contact or voltage level Status Output Signal Transistor contact 6 points user defined as output or input Fail Output Signal Transistor contact 1 point This contact output is open in the fail state also open when power fails Indication Setting Op
44. er may switch to FAIL mode and the ROM may be damaged Handling Care of the User ROM User ROM is a PROM a MOS metal oxide semiconductor IC This type of IC must be handled carefully as it may be damaged by static electricity Note also that the program written into it will be lost if the ROM is exposed to ultraviolet rays through the window on the top of the device l Note the following considerations when handling User ROM IM 1B4C2 04E Figure 6 3 5 Removing the Battery Cautions against Static Electricity Be sure to use a conductive mat when carrying and storing the PROM device Do not bring it into contact with clothes and other substances that can be charged easily Do not handle the PROM using chemical fiber gloves Protect from Ultraviolet Rays Do not remove the seal from the PROM except when it is necessary to erase its contents When installing a new PROM in the controller be sure to affix the specified seal to it e Do not Damage Pins If the pins are bent straighten them while being careful not to apply force to the base of the pin Conductive mat Figure 6 3 6 ROM Seal Cover plate N ROM Socket Figure 6 3 7 Removing Tuning Panel Cover Plate and ROM To replace User ROM to support program changes proceed as follows 1 Removing User ROM a Turn off the power to the controller Leave the data protect battery in position b Remove the tuning panel cover plate Use
45. eration Functions Process Variable and Set Point Indicators Dual pointer moving coil meter or fluorescent bar graph indicator plus a four digit numeric display Output Indicator Moving coil indicator Setting Methods Manual Setting Setting speed 40 sec full scale Remote Setting By input signal or computation Control Mode Switching By C A M switches or a user programmed definition Manual Output Operation Two speed lever action Parameter Setting and Data Display From tuning panel side panel Programmable Function Key PF key 1 key which can be used as status input signal PF Lamp 1 lamp which can be turned on off by user program i Control Functions Control Modules Basic Control Module A single control module Cascade Control Module Two control modules con nected in cascade One SLPC controller can imple ment a cascade loop An arithmetic computation may be performed between primary and secondary controllers Signal Selector Control Module Two control modules connected in parallel One SLPC controller can implement an autoselector control loop Functions in Common in the Modules above Output tracking output limiter Control Elements A Control Module Comprises One of Three Control Elements Basic PID control element Sample and Hold PI control element or PID control element with batch switch These control elements des cribed above may contain the following common functions Process varia
46. erratic YES NO Is display normal Power off for at feast 2 sec then recheck Zero adjustment See Section 6 2 Normal operation is not restored Normal operation is not restored Is item selectable Is analog output normal Check Y2 Y3 To 10 Can settings be changed Replace display unit Recheck problem Faulty CPU card replace IM 1B4C2 04E 9 Contact Output Signal Error Replace housing If normal operation is not restored reinstall original housing Check CN1 and other connections Normal operation is not restored Faulty VO card replace 10 Analog Output Signal Error Is input output disabled Replace housing Normal operation ___ is not restored Check CN1 connection is not restored Normal operatio d S Signal value error Check tuning panel for error erratic indication etc NO Recheck problem Replace I O card IM 1B4C2 04E 11 Communications Failure Communications with SCMS Communications with supervisory device only device only Communications device 1 via LCS card supervisory device and communications with SCMS device Communications with Yes Check SCMS communication mode MODE2 2 Check SCMS communication mode MODE2 1 Remove or replace SC
47. f data sheets Table 5 1 1 lists the parameters and their setting ranges l Parameter setting example Setting the integral time for the second control ele ment to 600 seconds Key in l imi TI C t TI2 value is dis TI2 1000 layed id TI EDI fe may be usse concurrently Other parameters can also be set in the following sequence O Item selection Select a desired item using one of the 11 item type keys i Number updating Update the item number with the t key 3 Data setting Set the data value with the W ES and Al keys IM 1B4C2 04E 5 10 6 Initial value default value Initial values can be loaded into ROM at the same time the user program is entered by using an SPRG Programmer If any data that was set from the keyboard is lost due to a power supply failure coupled with the lack of a data protect battery its initial value stored in ROM is automatically loaded by CPU as a setting data and the control starts Default values are the values when the programmer and the parameter are initialized while connected with the SPRG When you create a new user program be sure to initialize the programmer and the parameter See Tables 5 1 1 and 5 1 2 See Table 5 4 1 for STC parameters Set the parameters again if necessary 7 Inclined mounting When controller is mounted at an angle to the vertical the indicator requires a zero adjustment See Section 6 2 for the zero adjustment procedures
48. g function of the SLPC 381 auto matically adjusts P I and D parameters to their optimum values depending on the characteristics of the controlled system 5 11 5 4 1 Self Tuning Parameters Table 5 4 1 lists the setting parameters which are re lated to the self tuning function These parameters are assigned to the key on the tuning panel 1 STC Setting STC mode l STC mode is set as follows The STC action is stopped New PID values are displayed PID values are not automatically updated n STC ON PID values are automatically updated 2 Automatic start up Refer to Paragraph 5 4 2 EC On demand tuning Refer to Paragraph 5 4 3 For setting the STC mode use the Wand A keys on the tuning panel as shown below Note that STC 2 can be set only in MAN mode A key OFF 0 12 Y key 2 1 0 OFF 2 PB TI TD PID parameters These PID parameters are used in control com putations When self tuning action status at STC the initial setting automatically updates these values Table 5 4 1 Names and Descriptions of Self Turning Parameters z c 3 2 Type Name description Display setting range STC 1 2 TI 1 2 T n2 12 EU Integral time 1 to 9999 TR 12 Process responsonme tms 12 Jusen ZS 1 2 desied response paterntyos otas 12 Jus mengn wem Los e negra tme gas 1 R 03 08 1 to 9999 Integral time high limit value Los so
49. gnal RT is about 1 When RT is greater than or equal to 2 or when it is less than or equal to 0 5 an alarm occurs 12 LM TM GM Equivalent model STC controllers indicate a simulated process mod el with an approximation of the dead time and first order lag system LM TM and GM indicate equivalent dead time the equivalent first order lag time constant and equivalent gain respective ly For LM TM and GM respective values when the STC mode is 1 and when the CR is 5 or less are retained Calculated PID parameters are related to PB TI and TD The CR is updated by the process characteristics When the CR is greater than 5 LM TM and GM are not updated 5 4 2 Automatic Startup STC mode is set to 2 for automatic start up mode In this status the STC parameters PB TI TD IP TR NB R are automatically calculated by the step response method 1 Applicable control modules BSC Basic control module CSC Cascade control module Available for the Secondary loop with cascade open Available for the Primary loop when cascade closed 2 Setting parameters STC OS and if required TD are set Set TD 0 for PI control TD is set to 1 or greater for PID control Automatic start may result in PI control 3 Operation procedure D First make sure that no STALM Refer to Par agraph 5 7 6 has occurred In MAN mode set STC to 2 Manually stabilize the process variable signal to an appropriate value Switch the contr
50. iation Process variable Enables or inhibits the functions of the TUNING Setpoint pushbutton switches W E A RVS reverse action Deviation Setpoint Pro COLD start The controller is restarted in manual mode and manipulated output restarts from 6 3 96 HOT start The controller is restarted in exactly the same mode and status it was in immediately before the power failure mode canceled the setpoint is set with the front panel SET key without remote setting In mode the data stored in A1 register is set as a setpoint In mode the data transmitted from a supervisory system is set as a setpoint Cascade closed the output signal of the first loop is set as a setpoint for the second loop Cascade open the output signal of the first loop is adjusted with tuning panel pushbutton switches SV2 Set when using CSC or SSC External second loop setting the data stored in register A5 is set as a setpoint for the second loop Second loop instrument setting the setpoint of the second loop is adjusted with tuning panel pushbutton switches SV 2 4 Supervisory system backup When the supervisory system 1 fails operation mode is switched to manual M to enable controller output to be manipulated manually Set when performing communiations with a supervisory system When the supervisory system 1 fails the setpoint i
51. l cable ends must be furnished with crimp on type solderless lugs for 4mm screw 2 Examples of applicable cables Cross sectional area of the cable conductor 2 0mm2 Note Power supply cables should be determined from the instrument power consumption they must have conductors with cross sectional area of at least 1 25mm2 Applicable cable 600V vinyle insulated cable IV conforming to JIS C3307 Vinyle sheathed cables for electric appliances KIV conforming to JIS C3316 3 After completing the power supply and ground wiring mount the power terminal cover Power Supply Terminal YOKOGAWA e Copyright Mar 1991 YK 1st Edition Mar 1991 YG IM 1B4F1 11E
52. ly Remove the scale plate r taining cap using a small regular screwdriver To remove the scale plate use tweezers as shown Insert a new scale plate and put the cap back in the original position Moving coil version only _ Scale Plate Handling Instructions O Keep fingers off the scale side and the back side of the scale plate O If the scale plate is stained wipe it using a soft cloth Never use alcohol or other original solvents which could also remote the markings on the scale plate Figure 6 3 2 Replacing the Scale Plate 6 3 3 Replacing the Fuse If it seems that the fuse may be faulty check the inside of the fuse holder for contamination or poor contact with the use Recommended replacement interval About 3 years 1 To remove the fuse unscrew the fuse holder cap turn it counterclockwise in the direction of the arrow the cap and fuse can then be removed 2 Install a new fuse of the correct rating Tighten the cap firmly Note Use the dedicated fuse S9510VK Do not use a fuse for other products Fuse Part No S9510VK Rating 1A Figure 6 3 3 Replacing the Fuse 6 3 4 Replacing the Data Protect Battery Replace the data protect battery immediately when the front panel ALM lamp begins flashing Recommended replacement intervals About 5 years charging at ambient temperatures below 45 C About 1 year shelf life at ambient temperatures below 45 C CAUTION Leav
53. measurement indicator then automatically indicates the value of input signal No 1 X1 4 1 5 Analog Output Circuit The analog output signals after digital to analog conversion are fed via the output demultiplexer and buffer amplifier to the current and voltage output circuits The analog output signal negative line is common and is connected directly to the analog input signal common negative line 4 1 6 Digital Output Circuit The digital output signals are transformer isolated and output to the field as open collector contact signals When the citcuit is designated for output by a program 4 2 Principles of Computation and Control 4 2 1 Principles of Computation The SLPC performs three basic operations It reads the input signal computes and outputs the com puted result The example in Figure 4 2 1 shows how to program the addition of two input signals Figure 4 2 2 shows how the stack registers S change during the program All computations are performed in the common stack registers S Connection of signals to the registers that is input to the S registers is performed by means of the LOAD LD instruction The S registers Si thru Ss comprise a stack and data in S is pushed down SI to S2 S2 to S3 and so on each time new data is input by the LD instruction Arithmetic operations can be performed on data thus input by using FUNCTION instructions There are approximately 46 different compu
54. mode switching current output open process variable input over range The display value returns to 0 as soon as the corres ponding alarm returns to normal Table 5 7 1 Self Tuning Alarm Display Items STALM STC Diagnosis STC action To clear alarm display mode O There has been an attempt to use a control element Stop whose use in combination with STC is prohibited Control module is not executed every period Continue Control samples set in self tuning functions do not match press conditions where RT gt 2 or RT lt 0 5 O Current output open Stop The manipulated variable output is limited by the output limiter Remove cause of alarm s 02 P I and D values are at high or low limits O O Turn STC OFF O Press N key Continue O There has been an attempt to use a control module element whose use in combination with STC is prohibited Control module is not executed every period In CSC mode internal cascade loop was opened or closed OO Rest STC 2 A command to change the STC mode or turn off STC action was issued by a user program or manually O The operation mode was transferred to BACK UP MAN status Power failure Current output open Turn STC OFF Transfer to MAN mode STC 0 O Press N key oo Must remove cause of alarm O There is a possibility that a st
55. ns ROM are installed in the proper posi tions If any of them has not been installed see Section 6 3 Parts Replacement for installation procedures 5 2 2 Preparations for Operation 1 Setting valve open closed indexes See Figure 5 2 4 Position the valve open closed marks to agree with the control valve action direct or reverse The open closed marks can be removed manually or by using a pair of tweezers Closed valve closing direction Open valve opening direction _ II pepa DA agir gt en Figure 5 2 4 Setting Valve Open Closed Indexes 2 Setting the tuning board See Figure 5 2 5 Set the DIR RIV select switch on the tuning panel to the required position Next turn on the power and set the TUNING switch to ENABLE Parameters can now be set from the keyboard TUNING ACTION ENABLE DIRI DIR2 INHIBIT RVST ROM Figure 5 2 5 Setting Select Switches 3 Mode Setting Call up the display MODE with a key operation and set the desired mode by pressing A or W Display and setting example Key in 3 en MODE MOTE MOTE gt If O is acceptable proceed to the next step MODE E KI MODER 0 If 1 is acceptable proceed to the next step El MODE Note Al and vi take about 1 second for activation This time is required to prevent faulty mode setting 4 Scale Setting Set th
56. o mode to AUTO or CAS automatic start up begins The A or C amp on the front of the instru ment blinks In automatic start up mode PID control does not start for 30 seconds but the controller automatically applies a step change MI to e 00 5 13 the manipulated output in the safe direction to increase the deviation rather than reverse its sign The controller caluculates the self tuning parameters from the process response to this step change When an STALM has occurred the control mode may fail to switch to AUTO CAS Refer to Paragraph 5 7 6 When the process variable signal stabilizes the controller automatically returns the manipulated output to its initial value When all of the parameter settings are com plete STC mode is automatically switched from 2 to 1 and PID control starts The to lamp then changes from blinking status to ON 4 Check items in conducting the automatic start up D The process must be such that a 596 output E change will have no undesirable effects If process gain is high and the process vari able changes by more than 1 5MI the manipulated output is automatically returned to its initial value 8 If process gain is low and the change in the process variable is less than 296 automatic start up is considered inappropriate and after the maximum observation time about 80 minutes has passed the operation mode switches to MAN and an STC alarm is issued
57. ol The setpoint is set by using the SET pushbutton switches M mode Manual control The manipulated output signal can be increased or decreased by using the manual operation lever The setpoint can also be adjusted 7 Output indicator Indicates readings of the current output signal in the range 4 to 20mA DC 8 Manual operation lever Used for adjusting the manipulated output signal of the controller in M mode Action l Moving the lever to the left decreases the signal output while moving it to the right increases the signal output Setting rate 4 40 sec full scale d PP 4 sec full scale Fine adjustment Moving the lever from the neutral position to the left 4 or right gt momentarily for approx 0 2 sec changes signal output by 0 1 For cascade or signal selector control Process variable of the first control element CNTI For cascade or signal selector control Setpoint of the first control element CNTI 9 Programmable function key PF key When this key is pressed for about 0 2 seconds it acts as a status contact input signal by user pro grammed definition 10 PF lamp This lamp can be lit or turned off by user program Nameplate PF lamp Programmable function key PF key Operation mode transfer switches Output indicator Manual operation lever 5 3 5 1 2 Controller with Fluorescent Bar Graph Indi cator This controller uses a fluorescent bar g
58. or setting the minimum value and Nos 2 to 8 of SW2 R are used to set the maximum value Notes 1 Values outside those given in Table 6 1 cannot be displayed 2 The display range of the four digit display unit is 1999 to 4999 3 The reading in the four digit display unit is linear in relation to the input 1 to 5 V DC 6 Decimal Point Position D P Setting When the four digit display values include decimal points a separate decimal point setting is required in addition to the maximum and minimum value setting described above Set No 8 of SW1 L and No 1 of SW2 R as fol lows depending on the decimal point position required See Figure 6 2 8 IM 1B4C2 04E Table 6 1 Display Values Given by Digital Display Unit and Corresponding DIP Switch Settings Display Value Minimum Display Value Minimum or Maximum Value DIP Switch Setting or Maximum Value DIP Switch Setting a e A ren rn C9 CO CO CO CO CO CH EH ren He me SB ee CO CO CO CO CO CO OO KH u vn 9 E G G ren KF ren rn 9 E E OF SEP SB HEH OOOO en HE 0000 ro e rn am zen E E rn rn E E en rn E OO en rn OOF 0000000000 D a t E rn C5 rn D rn E en E en Or Or Om E rn OK E re E rn E zen DO zs C rn CH KO D OO Ch Gn CO DO OO OD OC Ln 4 CO CO O LO OO 4 O OU P Lo t9 CO OO 4 0 ooooooooooooooooooooooooooooooooooco0 0 m Eet keen ken Eet keen Fon Feb St re t t k Kg a C3 C3 C3 C3 C2 C3 C3 C3 C3 CO CO Oo
59. place the battery immedi ately i 2 A flashing ALM lamp overrides a continuously lit alarm lamp No alarm status can be indicated therefore while the ALM lamp is flashing Other alarms can still be displayed on the tuning panel 5 7 4 CHECK Display The CHECK display items are listed below CHECK Normal Fault in A D converter Fault in D A converter Arithmetic range overflow Input signal overrange Unmounted or failed User ROM Data protect battery not installed or Lamp flashing low battery voltage Current output signal line open _ or overloaded 80 RAM memory data lost PWR ERR Supply voltage too low Microprocessor faulty display not possible A value of 80 in the display together with an illuminated ALM lamp following a power failure after power applica tion indicates the occurrence of power failure When 80 is displayed check the PID and other parameters on the side panel since they have been initialized The display of 80 during normal operation indicates a failure due to the loss of internal data If two or more faults occur at the same time the displayed value is the total of the individual display values sum of their hexadecimal values Examples CHECK ac 0C 04 08 Computing range overflow Input signal overrange CHECK AD AO 20 80 Battery low Data lost The display value returns to 00 upon removing the cause of the fault The value 8
60. placing Fluorescent Bar Graph Display Tube IM 1B4C2 04E Customer Model SLPC Style E YEWSERIES 80 Maintenance Programmable Indicating Parts List Controller Item PartNo Qty Description 1 E9711TG 1 Cover 2 Y9405LB 1 B H Screw M4 x 5 3 Y9422NP 1 Tag No Label blank 4 E9711DH 1 Battery Assembly 5 9711GQ 1 Cover 6 E9712BE 1 Cover YOKOGAWA O Copyright 1989 YK 1st Edition Oct 1989 YK CMPL 1B4C2 04E Oct 1989 CMPL 1B4C2 04E Oct 1989 Model Item Part No 1 For suffix code details indicated by O refer to YOKOGAWA GS sheets E9714AA E9714AC E9714LA Below E9714EW E9714EU A1123LQ Below E9716YB E9716YS S9510VK Y9306JB E9711FG E9714BE E9714BF E9711KA E9711KE E9711KC E9711KD E9711TD E9711TE Y9306JB Description Meter Assembly Display Assembly See Page 4 Scale specify range when ordering Contro Assembly I O Board Assembly CPU Board Assembly For Models SLPC 151 and SLPC 251 For Models SLPC 181 and SLPC 281 EP ROM Power Supply Unit For 100 V Version For 220 V Version Fuse 1A Pan H Screw M3 x 6 Plate blank Bracket Bracket Knob Plate Tip W t Tip O Stopper Screw j Pan H Screw M3 x CMPL 1B4C2 04E E9714AA Meter Assembly E9714AC Display Assembly d NN N IN Qty Part No E9714AA E9714AC Item Part No Description 1 E9714AB Meter Assembly 2
61. r ROM will be exposed See Figure 6 3 7 c Using a small standard screwdriver turn the ROM lock on the ROM socket counterclockwise 1 4 turn d Grasp the ROM manually and pull it out of the socket being careful not to damage the pins See Figure 6 3 8 2 Installing User ROM a Turn off the power to the controller Leave the data protect battery in position b Install the new ROM with its recessed window facing up c Insure that the ROM pins are correctly aligned with their corresponding socket positions When installing a 24 pin ROM the two pairs of pins in the top socket should not be used see the mark beside socket d Press the ROM carefully into position e Using a small standard screwdriver turn the ROM lock on the ROM socket clockwise until it stops turning approximately 1 4 turn 6 3 6 Replacing the Fluorescent Bar Graph The illumination of the fluorescent bar graph display decreases with time Adjust the display for optimal illumination with the side panel brightness adjustment volume If such adjustment is difficult replace the bar graph Recommended replacement interval About once every 3 to 5 years depending on conditions See Section 7 2 for the replacement procedure Figure 6 3 8 Removing ROM IM 1B4C2 04E 7 TROUBLESHOOTING If operational troubles occur in the SLPC Programmable Indicating Controller identify the problems fully and resolve them according to the troubleshoo
62. r circuit and the CPU adjusts the converter output so that the two signals are equal basically a successive approximation type of analog to digital converter The corresponding digital value is stored in data memory RAM 4 1 3 Digital Input Circuit Each digital status input signal is isolated by a l transformer in the input circuit Input status is read via an input port and transmitted via the data bus to RAM When the circuit is designated for input by a program At the same time as the digital input are read the switch status SET C A M MV PF TUNING ACTION on the instrument front and side panels is also read and stored in RAM 4 1 4 Digital Computing Circuit When all the input data is read the microprocessor CPU carries out data processing according to the computation control program stored in User ROM The results of computation and control are output via the digital to analog converter circuit or output ports lf a supervisory system is connected data com munications is performed via a loop communica tion card LCS The communications line is isolated from the controller by a photocoupler The watch dog timer WDT connected to the CPU supervises the CPU operation it causes the FAIL lamp to light up and outputs a fail contact signal if the CPU fails If the CPU fails the manipulated out put current signal Y1 is automatically isolated from the digital circuit and can be varied manually The
63. raph indi cator for indicating the process variable and setpoint Figure 5 1 3 shows the names of front panel controls of this type of controller SLPC 270 E For a side view of the instrument see Figure 5 1 2 FAIL lamp red ALARM lamp yellow Setpoint index indicated by a bright cursor Process variable setpoint digital display Measurement indicator bar graph Set point up down keys Output memory index Control valve action label open closed marks Figure 5 1 3 Controller Front View 1 Bar graph display Displays the value of the process variable as a bar graph 2 Setpoint index cursor Indicates the setpoint of the controller with a bright cursor 3 Digital display Displays the value of the process variable as a 4 digit number in the appropriate engineering unit The setpoint is displayed while the side panel digital display select pushbutton is pressed See Figure 5 124 For cascade or signal selector control Process variable of the first control element CNTI For cascade or signal selector control Setpoint of the first control element CNT1 Other functions are identical with those described in Section 5 1 1 Digital display Display select pushbutton Figure 5 1 4 Digital Display Select Pushbutton IM 1B4C2 04E 5 4 5 1 3 Names and Functions of Tuning Panel m Panel layout The tuning panel for parameter setting and data display is on the right si
64. ration is resumed Unused signals and parameters Input output signals and parameters that are not used in the application program can also be dis played or set by keyboard operations such data however is irrelevant to and has no effect on the execution of control and computational functions IM 1B4C2 04E 5 8 5 2 Preparations for Operation Make preparations with the coritroller installed in the panel or removed and placed on a work table The controller is assumed to be in housing Removing the internal assembly from the housing 1 Pull out the internal assembly by pushing up the stopper located below the front panel When it is drawn out halfway the internal assembly is restrained by an intermediate stopper The tuning panel is fully operative at this stage See Figure 5 2 1 Stopper Figure 5 2 1 Pulling Out Internal Assembly 2 To remove the internal assembly from the hous ing push down the intermediate stopper spring while pulling the assembly out from the housing as shown in Figure 5 2 2 Intermediate stopper spring Figure 5 2 2 Removing Internal Assembly IM 1B4C2 04E 3 To separate the internal assembly from the housing detach the connector from the as sembly See Figure 5 2 3 Connector Internal assembly Figure 5 2 3 Detaching Connector 5 2 1 Checking Special Parts Are Installed Check to see that the fuse data protect battery and applicatio
65. s held in auto A mode for automatic control 5 Supervisory setting Setting operation by a supervisory equipment 2 is enabled Setting operation by a supervisory equipment 2 is inhibited 1 Supervisory system System with which the computer or Operator station is connected 2 Supervisory equipment Computer CENTUM YEWPACK or uXL Operator station ENABLE Settings and resettings are enabled INHIBIT Settings and resettings are disabled 4 ACTION switches Select the direction of control action between direct DIR and reverse RVS DIRI RVS1 Set the action of the basic control module or the first control element CNT1 of the cascade or signal selector control module DIR2 RVS2 Set the action of the second control ele ment CNT2 of the cascade or signal selector con trol module IM 1B4C2 04E cess Variable 5 ROM socket Used to install the ROM containing the user program The ROM can be secured in position by turning the socket lock clockwise Turn the socket lock counterclockwise to dismount the ROM 6 CONNECTOR PROGRAMMER Used to connect the cable of an SPRG program mer Keyboard operation See Figure 5 1 6 PROGRAMMABLE CONTROLLER SVI 800 L TypE t DATA d BATCH NON SAMPLE LINEAR item selection Se Self diagnosis KL Es SS SS d ONS A TURING 4 mmu Data setting LC Item number updating Figure 5 1 6 Keyboard Functions
66. tational and control FUNCTION instructions These instruc tions are entered using their associated symbols such as and HSL The result of a computation per formed on the necessary number of data stored in S registers is popped up to top register S1 The STORE ST instruction is used to retrieve the result of computation and store it in an output register to be described later Execution of the ST instruction does not affect the contents of the S registers 4 2 2 Input Output Register Configuration Figure 4 2 3 shows the configuration of the LD X1 SLPC s input output registers Analog digital and set n LD X2 parameter inputs are read into registers XN DIN Addition and PN before execution of the user program begins ST Yl JOutput The user program reads required input signals and computed resuit parameters from the respective input registers into the arithmetic register using the LD instructions and stores the computed results in output registers YN and DOn using ST instructions Finally the controller out puts the contents of output registers YN and DOn as analog or digital values This cycle repeats itself every 0 2s or 0 1s i pres in X1 X2 Figure 4 2 1 Two Input Adder and Program 4 2 3 Principles of Operation of Control Modules The SLPC Indicating Controller incorporates three control modules O Basic control module BSC which consists of one controller contained in a single module O Casca
67. the SPRG For display only 3 Note 8 The user ROM using the function extended by SLPC E is called E ROM The other user ROM is called A ROM A _ n on demand mode Note 3 Action range is 2 to 9999 sec 0 amp 1 0FF For details refer to Tl 184C2 02E IM 1B4C2 04E 5 12 3 4 5 6 IP Process Type This specifies whether the process is static con trolled or integral controlled In an integral con trolled process when step input is applied the measured value is increased or decreased infinite ly Processes excluding the level control process are almost all static controlled TR Process 95 response time This specifies a 95 response time to a step input in the process STC controllers calculate the de sired sampling time as well as time required to observe a measured signal waveform Set an appropriate TR in the following ways Estimate the TR from the step response waveform of the process Set the TR to the time required for a process variable change APV until it reaches 95 of the settling value If the response time can be approximated with dead time L and first order lag time constant T TR L 3T When the process is integral controlled When a pulse input is applied set the TR to the time required for a process variable change APV until it reaches 95 of the set tling time Estimate from the continuous operating con ditions Read the attenuation wave cy
68. the meter assembly out toward the front 7 2 2 Disassembling the Meter Assembly 1 Pull off knob in Figure 7 2 3 2 Remove four screws to separate the front frame 3 Pull the A M unit out and downward after re moving two screws in Figure 7 2 2 4 To separate the meter assembly remove three screws from the molded section The meter assembly in the fluorescent bar graph version can be separated in the same manner Figure 7 2 1 Removing Cover 7 2 3 Removal of Power Supply Unit 1 Remove four screws D in Figure 7 2 3 2 To separate the power supply unit pull it out toward the rear and remove connector CN2 7 2 4 Disassembling the Control Assembly 1 2 3 4 5 6 Remove the meter assembly and the power supply unit as instructed in Sections 7 2 1 and 7 2 3 Separate the I O board assembly from the chassis by removing two screws 6 in Figure 7 2 3 Remove two screws and open the cover to expose screw 8 on opposite side in the figure Remove two screws from the opposite side to open the tuning panel CPU board assembly Pull the connectors CN5 and CN6 out and down ward to separate the tuning panel CPU board as sembly To release the tuning panel from the bracket remove three screws ii Insure that all necessary connectors CN1 to CN7 have been inserted in the proper positions Meter Assembly Pull out and downward A M Unit Figure 7
69. ting flowcharts shown in Section 7 1 7 1 Troubleshooting Flowcharts 1 Problem Identification Instrument failure Totally YES inoperable NO Is YES FAIL ALM lamp FAIL lamp is lit lit ALM lamp is lit NO or flashing Setting YES manipulated disabled disabled NO disabled Indicator YES failure NO Tuning YES panel failure NO Input output signal error NO Communi YES cation error NO Start YES mode failure NO C A M mode transfer y Setpoint unchanged g Output operation YES Contact input output signal error Analog input output signal error Troubleshooting can be facilitated by the use of the extension cable contained in the service kit SSKD When the trouble is difficult to locate consult the YOKOGAWA service center serving your area To 2 To 3 To 4 To 5 To 6 To 7 To 8 To 9 To 10 To 11 To 12 Power down for at least 2 seconds then power up and recheck the problem IM 1B4C2 04E 7 2 2 Totally Inoperable Check connection between internal assembly and housing Is fuse normal Replace fuse Replace housing If normal operation is Fuse blows again 770 not restored reinstall IM 1B4C2 04E original housing Faulty power supply unit replace 3 FAIL Lamp is Lit
70. tion carefully before operating the SLPC Programmable Indicating Controller For items not covered in this section refer to the appropriate sections in the manual 1 1 Confirm Model and Suffix Codes The model and suffix codes are on the name plate on the side panel of the instrument Check them against the model and suffix codes given in Section 2 2 to make sure that the instrument meets your specifi cations If you have any questions about this instrument please contact either your nearest Yokogawa Sales amp Service Office or Yokogawa Electric Corporation Tokyo Japan YEWSERIES 80 Indicating Controller DATA SHEET erer y 1 2 References This instruction manual provides information about the handling of the SLPC Programmable Indicating Controller its operational procedure and simplified maintenance workflows To run the SLPC to fully support your applications certain preparatory steps are required including the processes of generating a program on instrumentation flow sheet forms and loading the resultant program in read only memory ROM Information on these operations is available in specific manuals Step 1 Information and material related to program generation l YS80 Programmable Indicating Controller Func tions and Applications Technical Information TI 1B4C2 02E Q SLPC Worksheet WS 1B4C2 11 SLPC Data Sheet WS 1B4C2 12E SLPC Data Sheet WS 1B4C2 14 5 SLPC Program Sheet WS 1B4C2 15
71. tional A2ER Both versions may use AC or DC without change to the instrument DC polarity reversible 20 to 130V 120 to 340V AC 47 to 63Hz 80 to 138V 138 to 264V 2 2 Model and Suffix Codes Moa Sitas la DE codes SLPC Programmable Indicat ing Controller A coil a bar graph Description dator u ini Enhanced model with adjustable filter Enhanced model with adjustable filter and self tuning function Style code Joe Unprogrammed With user program Options 220V power supply With mounting kit Bezel color change Common options Without housing Nameplate engraving 1 Specify A2 NHS to order without housing 2 The order acceptance of fluorescent bar graph is discontinued E TE leet T EA 2 3 Optional Specifications NPR Controller supplied unprogrammed with blank EPROM The user can write his program to EPROM using a SPRG Programmer UPR Controller supplied with user program pre pared in YOKOGAWA M amp C configuration A2ER For 220 V version power supply MTS Controller supplied with kit for separate mounting SCF GUM Mounting kit bezel color change from standard color black Choose color from set of optional colors see GS 22DIFI E Specify color code in space D NHS No housing instrument only See GS 1B4F1 E to order housing separately NPE Letters engraved on front panel nameplate
72. trolled deviation is main tained When the STC is in the on demand mode it is in automatic operation Therefore apply the MI so that the controlled deviation decreases RO1 to RIO P I D limit values These parameters can be used to limit the ad justable ranges of P I and D parameters If high limit value x low limit value is set the parameter concerned is fixed at the low limit value PA IA DA new calculated P I D values If STC 0 for display only of calculated P I and D values the optimum parameter values calculated by the STC functions can be displayed but are not used in control computation When STC OFF or 1 displaying PA IA and DA values results in the same values as for PB TI and TD respectively Q Estimation from step response waveform MV PV settling Estimation from damped oscillatory waveform Natural oscillation period Figure 5 4 1 Method of Estimating TR 10 CR Probable Error An error when process characteristics are esti mated The STD controller requires PID parameter settings when the CR is less than 5 11 RT Signal Distribution Ratio This indicates the ratio of the PV distributed value to the model distributed value STC con trollers calculate a signal distribution ratio using a final model STC 1 for the STC mode set to 0 to find process characteristic variations When the distributed value of the process signal matches that of the model output si

User`s ` YEWSERIES 80

Contents

Download Pdf Manuals

Related Search

Related Contents