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PR130 - Goennheimer.de

1. for analog output 1 Feeding terminal for 2 m m transductor LCD Keys Exi i 3o b o x i power supply 5 dk 54 7014 TTY is Process variable 1 X1 Sender 6 TTY Sender Bs A 9 D Process variable 2 X2 A m 4 ie D gt j Analog output External set point WE 2 1204 7 A 25 19 D gt 26 Analog output 2 Pt100 Terminals 7 Lo erminals de PT100 8 Digital input 1 21 Digital input 2 22 Digital a Digital input 3 23 inputs Y 2 ES PA Digital output 1 Digital input 4 24 N 29 Y z K _ Digital output 2 ad 30 17 ur 1 31 2 i Recei Y z K _ Digital output 3 TTY Receiver ME ecelver Y7 k ga 9 p 1488 7 igi EN ae Digital output 4 Please use shielded cables to prevent measuring noise G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 3 Configuration and operation Page 12 3 3 Terminal chart Feeding terminal 4 analogous output Feeding terminal 4 transductor in Digital input 2 Digital input 3 Bed power supply Digital input 4 hi Analog output 2 Process variable X1 u Digital output 1 f n Process variable X2 Digital output 2 Digital output 3 External reference WE u ae Digital output 4 Analog output 1 _ TTY Sender y TTY Receivver Pt100 terminals 3 4 Connecting 3 4 1 Power supply Transmitter Please connect the Ex i
2. related to step 44 45 or ignore sets controller to manual operation mode actuator value is constant sets controller to manual operation mode actuator value is set to safety actuator value few ess Start up settings after sudden power supply failure Choices previous setting manual control Automatic control ESTE ee A Ysafety tion tion Ystart Ysafety tion W Wsafety 2 continues previous opera switches to manual control tion Y Ysafety LH _ A _____ A star Vale Se ____ __ Set Baud rate of MODBUS interface G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 25 pe ee Set slave address of MODBUS interface ew se Set swap float setting of MODBUS interface swap float setting of MODBUS interface Choices normal swap float few Js Set E Code to leave operation mode Choices 9999 9999 Po ar merenumose Set P Code to enter parameter menu in operation mode Step Choices 6 1 9999 9999 RE Set B Code to enter operation menu e g to set internal refer ence values 9999 9999 Remark 0000 disables B code id Set G Code to enter G menu e g to set auto manual opera tion mode select reference 9999 9999 Remark 0000 disables G code G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and op
3. 250 250 4250 C 850 250 850 C cal Ea a 0 Analogous 0 4 20mA 2 2 point PWM controller BT E 2 x Analogous 0 4 20mA 3 3 point PWM controller nm ie Tune 16 s2 Configure analogous outp 2 25 26 0 0 20mA_ 4 0 7 Configure analogous outp 1 13 14 O normal TT t nvet__________ 8 rm Configure analogous outp 2 25 26 0 normal_ kiwe 3 9 KA Calibration menu Calibration for measuring resistors e g Pt100 2 wire if YL ogre Ana ogous npt L Em T 11 B2 Configure Analogous input 1 X2 0 0 20mA thaom TC ii Aa DL Decimal point for measured value _ Postionoffxeddecmalpontiersetpeintandachalvaluedispay f e g 0 TOO 0000 _20 200 C 0 e g 0 100 1000 _ 20 200 C 200 0 Function digital input 1 0 No function 1 Switch to automatic 2 Switch to manual 3 Toggle automatic manual 4 Select external reference 5 Select internal set point 1 6 Select internal set point 2 If a conflict between two inputs arises due to the programming of the inputs the input with the lowest number has priority 7 Select safety set point 8 Toggle int reference 1 2 9 Toggle int ext reference 10 Toggle PID parameter set1 2 11 Select safety output value 12 Lock keyboard Function digital input 2 Function digital input 3 Function digital input 4 ion digital outpu 0 no function 2 PWM control 2 4 X1 max overflow 6 X2 max overflow 8 WE max overflow
4. Configuration and operation registers are defined as below Page 9 and transmit commands and measurements The Register Access Data format Function Hex 40001 R Floating point Actual value 1 X1 40002 40003 R Floating point Actual value 2 X2 40004 40005 R Floating point External reference desired value WE 40006 40007 R Floating point Manipulated variable Y 40008 40009 R W Floating point Internal reference W1 4000A 4000B R W Floating point Internal reference W2 4000C 4000D Bit field Info Flags R Digital outputs Bit 0 no function R Bit 1 PWM signal 1 manipulated variable R Bit 2 PWM signal 2 manipulated variable R Bit 3 limit X1 underflow R Bit 4 limit X1 overflow R Bit 5 limit X2 underflow R Bit 6 limit X2 overflow R Bit 7 limit WE underflow R Bit 8 limit We overflow R Bit 9 limit Y underflow R Bit 10 limit Y overflow R Bit 11 limit Xp underflow control error R Bit 12 limit Xp overflow control error R Bit 13 X1 broken wire R Bit 14 X1 physical current overflow R Bit 15 X1 physical current overflow or broken wire 4000E R BitO X2 broken wire R Bit 1 X2 physical current overflow R Bit 2 X2 physical current overflow or broken wire R Bit3 WE broken wire R Bit 4 WE physical current overflow R Bit 5 WE physical current overflow or broken wire 4000F Bit field Info Flags R Digital inputs BitO0 DE1 R Bit1 DE2 R Bit2 DE3 R B
5. Interface Option alicia ae ish 9 2 4 1 Registersct aa o dle iat E Geet cs 9 2 4 2 Hardware a meine aa pha as dala she Ge eed pa eee ET ERE 10 ZAS EUACUONS 22h ia Bien rn eee ee ee ee 10 3 Mounting and Connecting uesunssnreennnennnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnsnnnnnnnsnnennnssnnenn nennen nnnnen 11 3 1 Mounting Dimensions enira i Eua EEEE EEEE een hin 11 3 2 Block diagram irsini aiir iei AEAT de AAE EEA AN AEE a eE iaeiae a 11 3 3 Terminal ehari iese reran ten pee Pee ig cise tee E Ta A a a 12 34 COMME CHI E NN 12 3 4 1 Power S pply Transmitter t i isee e a aaa a eaaa a O e Aae e aiea 12 3 4 2 Supply of analogous output AO ei enirar taera eE EAE AAEE AA geo 13 3 4 3 Actual value signal input XV eenei enta e AEEA OE N rn 13 3 4 4 Actual value signal 2 disturbance input X2 oooociciniccccininocccinccocccononannncnnnnnnncnnnnnn nn nnnnn nos 14 3 45 External reference input external desired value WE cccccccccssseeeeenieeeeeenteeeeeenaees 14 3 4 6 Manipulated variable on analogous OUtPUL 1 2 2 ccceceeeeececeeeeeeeencenneceeeeeeetetsenieeeeeetentetseaes 14 34 7 DORIA inputs tic aAa an ea ne ai 14 34 8 Dla OPUS iii id tb e deren 14 349 MODBUS 2222 a Ban ee an i avn es Fee a evens Sees da ee 14 4 Configuration and operation neunssrresnnnenrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnsnnnnnrnsnnnnenrnsnnnenrnsn nennen 15 4 1 4 Controller operation iii did Oi 15 4 2 Controller configur
6. Page 18 4 2 2 Structure menu table nr fixed reference controller internal external reference 2 PID parame ter sets fixed reference controller with disturbance rejection in error signal fixed reference controller with disturbance rejection in actuator Ratio control with internal or external ratio reference Override Min control Override Max control See also the function charts of the controller types in paragraph 2 Actual signal input terminal 7 8 0 Pt100 2 wire connection calibration of the measure system in step 7 1 Pt100 3 wire connection 2 Pt100 4 wire connection A PR130 without Pt100 option doesn t show this step selected PT 100 temperature range 250 250 250 C 850 250 850 C it ds Controller output Analogous signal 0 4 20 mA terminal 13 14 2 x analogous signal 0 4 20 mA terminal 13 14 25 26 split range 2 Point PWM control 3 Point PWM control 0 20 mA 4 20 mA live Zero ai EEE Configure Analogous output 2 0 20 mA 4 20 mA live Zero E RM Configure Analogous output 1 normal invert ee Configure Analogous output 2 normal invert G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 4 Configuration and operation 0 pass calibration menu 1 call calibration menu terminate your wire at the end of the wire with a 100 2 resistor then press Enter the calibration is done in one second Choices 0 normal
7. de PR130 4 Configuration and operation Page 15 4 Configuration and operation The PR130 starts always in operation mode Press the menu button several times to reach the main menu entering the right EC Code In this state you can enter into the structure Stru or parameter PArA menu or begin regulation operation Beitr Enter all structure data and parameters before starting regulation operation Consider that the parameter menu also can be entered while regulation operation on line is active in contrast to the structure menu this can only be entered off line Controller status survey Main menu BEtr Stru Regulator off duty offline inputs PArA Structure menu Controller type Basic configurations Parameter menu PID parameter limit values ge i y Key o MENU e l G Menu _ Betriebsmenu Manual Auto Select desired value 1 2 or external Key G Set desired value Stop reg operation O Regulation operation online inputs 4 1 Controller in operation Before starting all structure data and parameters should be entered The control ler starts operation with Ys safety actuator value and in manual mode G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 16 Menu adjust internal reference Bargraph shows control error Xp Select disp
8. power supply to the terminals 3 4 For the controller only it will be sufficient to use a power supply which provides 20 mA by an voltage of at least 15 V Connect an active transducer directly to termi nals 7 8 Figure 1 Power supply with active transductor If a transmitter should be supplied too you need a power supply providing 40 mA by an voltage of at least 15 V Connect the power supply to the terminals 3 4 in this case and the transmitter to terminal 2 and 7 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 3 Configuration and operation Page 13 Figure 2 Terminal chart for supplying of a transmitter 3 4 2 Supply of analogous output AO Supply the analogous output separately according the following chart otherwise you can supply the AO with the same power supply as the controller us ing a bridge from terminal 1 to 6 Regard in this case the power supply must de liver 20 mA more current at 15 V 20 n I H TE dl EA 3 4 3 Actual value signal input X1 as lol co y 3 4 3 1 Current Signal 0 4 20 mA Analogous input 1 terminals 7 8 Impedance 15 Q G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 3 Configuration and operation Page 14 3 4 3 2 Pt100 Connection Anal
9. wide area of controller types The types are presented below 2 2 1 Fixed reference controller w1 W2 WE Manu Conversion 0 20 mA 4 2mA PID controller PWM PWM inverted 2 2 2 Fixed reference controller with disturbance rejection in error signal In some cases the impact of a disturbance is more or less predictable Take a heater door for example the opening of the door leads to a certain temperature loss of 30 K Instead of waiting until the controller reacts to the disturbance a direct reaction can be started to minimise the deviation In this case you could locate a switch at the door and when the door is opened the heating will be increased G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de WT158 w2 j PID controller X1 X1 C1 Z C2 ZIX2 1 Operation instructions Manu page 5 Conversion 0 20 mA 4 2mA PWM PWM inverted 2 2 3 Fixed reference controller with disturbance rejection in actuator signal Manu nr PID controller X1 ZIX2 2 2 4 Ratio control Y C3 C3 C4 4 24 Conversion 0 20 mA PWM PWM inverted This type of controller contains two actual value inputs The regulated value is the relationship between these actual values The control algorithm builds the quotient of the two signals compares to the desired value and calculates the new actuator value according to the block diagram b
10. 1 Email info goennheimer de PR130 5 2 5 3 4 Annex Page 33 Problems and solutions Code forgotten turn the device off e g disconnect from power supply press G key turn the device on hold the key until REST appears all data is set to ex work defaults Display remains dark Check the supply circuit for a minimum current of 20 mA Appliance runs however no measurement value or false measurements check wiring and polarity of each signal check parameter B1 B2 B2 P1 Q1 Appliance turns sometimes off behaves chaotic Power supply is too weak Type code PR130 x x x Inputs 3 X 0 4 20MA zer cine iia nina 0 2 x 0 4 20mA x actuator feedback occcconncccccnccnconocicinnnacccnnaninnna 5 2 x 0 4 20mA 1x PTI O a a nana 8 Serial interface WIth Utt RIN e orcs A EN O waa ena at Unie a nu nuded 0 ale Sender nd Receiven cce A nner 4 Analogous output Without analogous output 0 4 20MA uuunnesensnnennennnnnnennnnnnnn nennen ennn nennen 0 One analogous output 0 4 20MA usessnneneessnnnnnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 4 Two analogous outputs 0 4 20mA 5 5 4 Structure and parameter menu table G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Annex Page 36 How to use the PID Controller PR130 Display Description Aut To toggle closed loop feedback control to UTO open lo
11. 10 Y max overflow 12 XD max overflow 14 X1 physical current overflow pco 16 X2 broken wire 18 X2 pco or bw 20 WE physical current overflow 22 Manual Auto Indicator 1 PWM control 1 3 X1 min under run 5 X2min under run 7 WE under run 9 Y min under run 11 XD min under run 13 X1 broken wire bw 15 X1 pco or bw 17 X2 physical current overflow 19 WE broken wire 21 pco or bw Working mode of Digital output 1 no normal open nc normal closed Working mode of Digital output 2 no normal open nc normal closed Working mode of Digital output 3 no normal open nc normal closed Working mode of Digital output 4 no normal open nc normal closed its for actual value X1 its for actual value 2 X2 its for external reference WE its for manipulated variable its for control error Xp 0 Ingnore 1 Fit signal to internal limit Use W tracking function 0 Don tuse 1 Use W tracking function Circuit break and short circuit detection 0 No detection 1 Circuit break detection I lt 0 5mA 2 Short circuit detection 1 gt 22 5mA 3 Both 0 5mA lt lt 22 5mA Reaction by malfunction 0 No reaction 1 Manual operation mode hold last actuator value 2 Manual operation mode switch to safety manipulated value Y safety Power up status 0 Continue with last settings Y star Y safety 1 C
12. 4 BA 02 03 02 13 ANLAGE 14 EG Baumusterpriifbescheinigung Nr TUV 02 ATEX 1863 15 Beschreibung des Gerates Der PID Regler Typ PR130 ist ein elektronischer Universalregler zur direkten Montage in explosionsgef hrdeten Bereichen Die Folientastatur darf nur feucht gereinigt werden Die h chstzul ssige Umgebungstemperatur f r die Temperaturklasse T6 betr gt 40 C und f r T4 65 C Elektrische Daten Speisestromkreis 1 Klemmen 1 4 Speisestromkreis 2 Klemmen 3 6 4 Speisung Messumformer Klemmen 2 4 Typ PR130 0 x x Analogeing nge Klemmen 7 8 bzw 9 10 bzw 11 12 PT100 Anschluss Klemmen 7 8 19 20 Poti Anschluss Klemmen 7 8 19 in Z ndschutzart Eigensicherheit EEx ib IIC nur zum Anschluss an bescheinigte eigensichere Stromkreise mit folgenden H chstwerten U 30 V l 160mA P 15W wirksame innere Kapazit t 33 nF wirksame innere Induktivit t 40 uH in Z ndschutzart Eigensicherheit EEx ib IIC nur zum Anschluss an bescheinigte eigensichere Stromkreise mit folgenden H chstwerten U 30 Y 1 160mA P 15 W wirksame innere Kapazit t 2 nF wirksame innere Induktivit t 30 uH in Z ndschutzart Eigensicherheit EEx ib IIC H chstwerte Uo U ankLa 6 lo 23 mA h chstzul u ere Kapazit t Co ankL 3 6 2 NF h chstzul u ere Induktivit t L o ani 3 6 30 UH in Z ndschutzart Eigensicherheit EEx ib IIC nur zum Anschluss an besc
13. 4 4 20 mA live Zero Choices normal 4 20 mA live Zero ew Tee Configure Analogous input3 Choices normal 4 20 mA live Zero ar Set global decimal point no decimal point decimal point on position 1 decimal point on position 2 decimal point on position 3 9999 9999 Caution __ Caution Q P must be less than 4000 Displayed value at 100 input current Choices 9999 9999 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 20 Function of Digital Input 1 te 21 no function select AUTO operation select MANU operation toggle MANU AUTO select internal reference 1 select internal reference 2 select internal safety reference toggle internal reference 1 internal reference 2 toggle internal reference external reference toggle PID parameter set 1 PID parameter set 2 set manipulated value to safety set point disable front keys _ DROP MONDRWNA0 The input with the lowest number has the highest priority if an input conflict occurs Function of Digital Input 2 Choices like step 16 Function of Digital Input 3 Choices like step 16 Function of Digital Input 4 Choices like step 16 ER Function of Digital Input 5 only modbus option Choices like step 16 Function of Digital Input 6 only modbus option Choices like step 16 e Function of Digital Inpu
14. User s manual E Ex i controller PR130 ATEX manual_p130r_v2 1 2 Postfach 10 05 07 G 6 n n h e j m e r Dr Julius Leber Stra e A 67433 Neustadt WeinstraRe peni phone 49 6321 49919 O http Avww goennheimer de Email info goennheimer de Zert Reg Nr Q1 0297038 fax 49 6321 49919 41 i 67405 Neustadt Elektronic GmbH PR130 1 Introduction Page 2 Contents 1 Operation instruction explosion proofed devices u222240004400nnannnnnanannnnnnnnnnnnnannnnnnnnn nana nn 3 Z gt INFOdUCHION add 4 21 Gontrol block A A 4 2 2 internal controller types controller StrUC UFES ooooooinninicnnonnnccccnneccccccnanncccnnannn cnn narran 4 2 2 1 Fixed reference CONtrOlle ooooococococococicoconoccnoninconcnncncnnnnnnnnernc nn nene 4 2 2 2 Fixed reference controller with disturbance rejection in error signal 4 2 23 Fixed reference controller with disturbance rejection in actuator signal 5 2 24 RatiovCOnmtrl iii A ee Rai pes RIADA bes 5 2 2 5 OvOrrid Min CONKIOI 2212ccccccccececceecnceaecececececeenneaecececstssecasaaecesessseaaaseaecesesstecneasneseeeteess 6 2 2 6 Ove rride MAx COntrol 22ccccccceccececeeetecnneaecececeeececsanaecesecesesaeaeaaeaeseeesesecseaeeeeeeeeeteesesaneneess 7 2 3 Controller structures with several CONEIOIlCIS 2 cscceccccceceeeeecneaececeeetecseneaneeeeeetecsesineseeeeeens 8 2 3 1 CaScadescontrol sss aus sine id iin 8 2 4 MODBUS
15. always between YAmin lt YA lt YAmax Function in exception if W W2 then the control algorithm is YA PID algorithm Xd with Xd W2 X1 if X2 lt X1 Xd W2 X2 if X1 lt X2 The controller takes always the bigger actual signal as the active actual signal G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de WT158 1 Operation instructions page 8 2 3 Controller structures with several controllers 2 3 1 Cascade control Cascade control improves the control effectiveness considerably Particularly the dynamical behaviour of the control system is improved Control plants containing a parameter relationship Tg Tu see paragraph 3 3 2 less than 2 3 are hardly controllable with a single PID controller because of their long delay The solution lies in separation of the control system in most two partial systems which are separately controlled With this trick the long delays of the single system are cancelled To realise a cascade control two PR130 controllers are needed wi w2 WE Manu Reference input Conversion 0 20mA PID controller 4 2mA x Master controller v Ww PID controller X1 9 Y Slave controller Energy e Oven G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 2 4 MODBUS Interface Option 2 4 1 Registers The PR130 uses only Holding registers to receive 3
16. assigbar klein wirksame innere Induktivit t 20 uH in Z ndschutzart Eigensicherheit EEx ib IIC nur zum Anschluss an bescheinigte eigensichere Stromkreise mit folgenden H chstwerten je Kreis U 30 V li 160 mA P 1 5 W Die wirksame innere Kapazit t ist vernachl ssigbar klein wirksame innere Induktivit t 20 pH Seite 3 4 Anlage EG Baumusterpr fbescheinigung Nr T V 02 ATEX 1863 16 Pr fungsunterlagen sind im Pr fbericht Nr 02 YEX 180416 aufgelistet 17 Besondere Bedingung keine 18 Grundlegende Sicherheits und Gesundheitsanforderungen keine zus tzlichen BA 02 03 02 Seite 4 4
17. ation structure menu usssrnnneennnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnan 17 4 2 1 Key FUN CHON CHAE as sti sesh patie Rn En lee pee sees Me ie ite peed teenies 17 4 2 2 Structure menu tlablea 2 2222 22 dia 18 4 3 Parameter Men cota tei Rabe ee Renee eee 26 4 3 1 KEY Tunction ch ft n n nn im eet taa 26 4 3 2 Parameter menu table oeren sean a aa a a a aa eae a aea arri aei aeit 26 4 3 3 Howto determinate the PID parametefsS 2 ccccceesecceceeeeeetecneneeceeeseeesesseneeaseeeeeeteeteess 30 Y D P T TE T T A TTT 32 5 1 NS een 32 5 2 Problems and Solutions AN 33 Did NN 33 5 4 Structure and parameter menu table 24 4un04424424nnnnnnnnnannnnennnnnnnnnnnnnnneennnnnnannannnn 33 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de WT158 1 Operation instructions page 3 1 Operation instruction explosion proofed devices Application and Standards This instruction manual applies to explosion protected control panels of type of protection types below This apparatus is only to be used as defined and meets requirements of EN 60 079 particularly EN60 079 14 electrical apparatus for potentiality explosive atmospheres It can be used in hazardous locations which are hazardous due to gases and vapours according to the explosion group and temperature class as stipulated on the type label When installing and operating the explosio
18. ce cancellation on output 100 0 100 0 28 c5 Additive Constant C5 related to ratio control 100 0 100 0 fo Ratio controller only 0 000 9 999 Start ratio 0 Value End ratio 100 Value On value Off value Minimum pulse time using PWD control 000 1 100 0 Seconds Maximum pause time using PWD control 000 1 100 0 Seconds 35 Periodic time using PWD control 000 1 500 0 Seconds Periodic time for heat using 3 point PWD control Periodic time for cool down using 3 point PWD control 000 1 500 0 Seconds G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 1 2 3 Gay EG Baumusterpr fbescheinigung Ger te und Schutzsysteme zur bestimmungsgem en Verwendung in explosionsgef hrdeten Bereichen Richtlinie 94 9 EG EG Baumusterpr fbescheinigungsnummer T V 02 ATEX 1863 4 Ger t PID Regler Typ PR130 5 Hersteller G nnheimer Elektronic GmbH 6 Anschrift D 67433 Neustadt Weinstra e Dr Julius Leber Str 2 7 Die Bauart dieses Ger tes sowie die verschiedenen zul ssigen Ausf hrungen sind in der Anlage zu dieser Baumusterpr fbescheinigung festgelegt 8 Die T V NORD CERT GmbH amp Co KG T V CERT Zertifizierungsstelle bescheinigt als benannte Stelle Nr 0032 nach Artikel 9 der Richtlinie des Rates der Europ ischen Gemein schaften vom 23 M rz 1994 94 9 EG die Erf llung der grundlegenden Sicherheits u
19. ces Limiting of external reference signal maximum ignore fit signal to internal limit ue eee T Limiting of actuator signal minimum only enabled in automatic Limiting of actuator signal minimum only enabled in automatic controller mode Choices ignore fit signal to internal limit ew es Limiting of actuator signal maximum only enabled in auto matic controller mode Choices ignore fit signal to internal limit Limiting of error signal minimum Choices ignore fit signal to internal limit env Tee Limiting of error signal maximum of error signal maximum Choices ignore fit signal to internal limit G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 4 Configuration and operation eT Enable tracking function for internal reference values W will be set to X when controller mode is switching to automatic mode Choices disable tracking function enable tracking function few Jess validation of actual signal X1 detecting physical disturbances ignore no validation signal is too less lt o 5 mA resp Pt100 Min Malfunction signal is too big gt 22 5 mA resp Pt100 Max Malfunction both pe ess Validation of actual signal X2 detecting physical disturbances signal X2 detecting physical disturbances ds Validation of external reference signal WE detecting physical disturbances Choices see step 44 ES A E by physical disturbances
20. d beat control regulation with 20 overshoot disturbance tracking disturbance tracking Controller G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 31 Example We are looking for Tn Tv and Kp in a temperature control system The working range of the system is about 200 C The heating power is continuos adjustable the total power is 4 kW First the heat will be adjusted to achieve 180 C by 60 power Now increase abrupt the heating power to 80 The temperature course will be recorded Next determinate Tu and Tg by applying the turning tangent Tu is 60 sec and Tg is 600 sec The plant amplification is given by Ky At _ 210 C 180 C _ 30K Ay 80 60 20 1 5K with Tu and Tg die PID parameters are Tn 1 Tg 600s Tv 0 5 Tu 0 5 1 60s 30s Tg 06 10min Kp 0 6 0 6 U Tu Ks Imin 1 5 4 K G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 5 Annex 5 1 Technical details 4 Annex Page 32 Prozess controller PR130 General Ex Protection E Ex ib IIC T6 Device group 126 EC Certificate TUV 02 ATEX 1863 Indication LCD LC Display with Bargraph figure height 10 mm Display Range 9999 bis 9999 Displayed variables Control error Xp Bargraph actual value X1 or desired value W selectab
21. e PR130 Identity Parameter menu online call controller is still working PC Identity EC 4 Configuration and operation Page 17 Choices To call the parameter menu in auto operation mode the P code must be entered Pass ing this code allows to view and set each parameter in this menu In the meantime the controller is still working Manipulated parameters will be confirmed with MENU ENTER or left right key The ENTER key terminates the menu Terminate online operation e g to call structure menu Choices Passing through the E code terminates the online operation immediately Additionally all digital outputs are getting inactive In this state you are able to structure and to config ure the device in a new way 4 2 Controller configuration structure menu The following table describes the structure menu in detail In this table is space left for you to record your selections or you can use the structure and parameter summary in the annex Stepping through the structure menu is only possible in offline mode all digital outputs are low the auto matic regulation is inactive 4 2 1 Key function chart Next menu step Increase figure Decrease figure Parameter id Start edit confirm Input field End quit menu Step menu back Next menustep Menu step number G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation
22. elow w1 W2 WE V0 VE l X2 WE X5 X2 A PES 7 PID controller x X1 Manu p 4 2mA Conversion 0 20 mA V PWM PWM inverted G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de WT158 1 Operation instructions page 6 2 2 5 Override Min control wi w2 y L WE Manu Conversion YA W y PID Set 1 Y1 0 20 mA l oo g gt 4 2mA gt gt PWM al PID controller Sea X Y min Y max X1 W2 o PID Set 2 pS Y2 gt gt PID controller Y min Y max X2 YAmin YAmax Set the YAmin and YAmax in the parameter menu YA is always between YAmin lt YA lt YAmax Function in exception if W W2 then the control algorithm is YA PID algorithm Xd with Xd W2 X1 if X2 gt X1 Xd W2 X2 if X1 gt X2 The controller takes always the smaller actual signal as the active actual signal G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de WT158 1 Operation instructions page 7 2 2 6 Override Max control wi Lf w2 V WE Manu Conversion YA N WE PID Set 1 Y1 N 0 20 mA a Soap i PID controller ae ee PWM inverted y Y min Y max Ke W2 A X PID Set 2 Y A PID controller N Y min Ymax x2 YAmin YAmax Set the YAmin and YAmax in the parameter menu YA is
23. eration Page 26 4 3 Parameter menu 4 3 1 Key function chart Next menu item Increase figure decrease figure Parameter id Start edit confirm Input field End quit menu SEP meni back Next menu step Menu step number 4 3 2 Parameter menu table Py PID parameter Kp of PID parameter set 1 Step 1 00 01 99 99 Step 0001 4999 sec Remark 5000 I component disabled P or PD controller 000 0 999 9 sec Remark 000 0 D component disabled P or Pl controller ii Operating point for P or PD controller of PID parameter set 1 Actuator signal YA P1 Xd V1 P1 AXd A1 000 0 100 0 P2 PID parameter Kp of PID parameter set 2 O G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 4 Configuration and operation 0001 4999 sec Remark 5000 I component disabled P or PD controller Choices 000 0 999 9 sec Remark 000 0 D component disabled P or Pl controller selected Operating point for P or PD controller of PID parameter set 2 Actuator signal YA P2 Xd V2 P2 AXd A2 Choices 000 0 100 0 Set signal limits if enabled in structure menu Minimum of actual signal 1 X1 Maximum of actual signal 1 X1 Minimum of actual signal 2 X2 Maximum of actual signal 2 X2 Minimum of external reference signal WE Maximum of external reference signal WE Minimum of actuator value YA only in auto mode active Ma
24. heinigte eigensichere Stromkreise mit folgenden H chstwerten je Kreis U i 30 V l 160mA Die wirksame innere Kapazit t und Induktivit t sind vernachl ssigbar klein beim Typ PR130 8 x x bzw beim Typ PR130 5 x x Seite 2 4 BA 02 03 02 Anlage EG Baumusterpr fbescheinigung Nr T V 02 ATEX 1863 Analogausg nge Klemmen 13 14 bzw 15 16 bzw 25 26 TTY Empf nger Klemmen 17 18 Digitaleing nge Klemmen 21 24 4 Digitalausg nge Klemmen 27 28 bzw 29 30 bzw 31 32 bzw 33 34 in Z ndschutzart Eigensicherheit EEx ib IIC H chstwerte U 54 V lo 5 3 mA Po 7 2 mW h chstzul u ere Kapazit t 10 uH h chstzul u ere Induktivit t 100 mH in Z ndschutzart Eigensicherheit EEx ib IIC H chstwerte je Kreis U U an KL 1 l l an KL 1 Po Pi i anKL 1 h chstzul u ere Kapazit t Co ankL1 33 NF h chstzul u ere Induktivit t Lo an K 1 40 pH in Z ndschutzart Eigensicherheit EEx ib IIC nur zum Anschluss an bescheinigte eigensichere Stromkreise mit folgenden H chstwerten U 30 V li P 144 W Die wirksame innere Kapazit t ist vernachl ssigbar klein wirksame innere Induktivit t 20 uH ll a 3 gt in Z ndschutzart Eigensicherheit EEx ib IIC nur zum Anschluss an bescheinigte eigensichere Stromkreise mit folgenden H chstwerten U 30 V l 160 mA R 6 kQ Die wirksame innere Kapazitat ist vernachl
25. it3 DE4 Control R W Bit4 DES R W Bit5 DE6 R W Bit6 DE7 R W Bit7 DE8 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 3 Configuration and operation Page 10 Remarks e The bits in Registers assigned with R are read only that means that only read access is possible e Writing to registers with floating point content must be done with function 16 Preset multiple register Write register 40009 and 4000A simultaneously otherwise the controller will ignore the value 2 4 2 Hardware The PR130 uses Modbus RTU Baud rate selectable via TTY The parity can be set to even odd or none 2 4 3 Functions The PR130 supports the following functions Function number Function 3 Read holding register 6 Preset single register 16 Preset multiple register G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 3 Configuration and operation Page 11 3 Mounting and Connecting 3 1 Mounting Dimensions 144 front panel cut out 136 5 x 66 mm 3 2 Block diagram Feeding terminal
26. layed value W X Symbol for the display contents e g X1 actual value Blinking SET symbol while menu inputs are expected toggles MANUAL AUTO reference Current mode MANUAL AUTO Display field Manipulated variable Y Decreases Y increases Y REMARK The priority of the digital inputs is higher than the priority of the front keys i e you are not able to manipulate certain settings with the front keys if functions like TOGGLE MANU AUTO or SELECT EXTERNAL REFERENCE SIGNAL are active via a digital input G Menu Call with G Key possibly protected with G Code Identity selected Operation mode M Choices MANU Manual control of the actuator output signal AUTO Automatic control of the actuator output signal with PID algorithm iw es Select Reference Internal reference value 1 Internal reference value 2 External reference signal Internal safety reference value Reference Menu Call with MENU key possibly protected with B Code Internal Reference 1 Choices Set the internal reference value 1 nity Internal Reference 2 Choices Set the internal reference value 2 Applying override control W2 is used as reference of the limit controller By all other controller types W1 and W2 are valid as internal refer ence sources selectable via G menu or digital inputs G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer d
27. le and manipulated variable Y Keyboard Keys on Foil with 7 keys Montage Zone Hazardous area Zone1 Ambient temperature 20 C 65 C T4 20 C 40 C T6 Housing Acc DIN 43700 Dimensions W x H x D 72 mm x 144 mm x 85 mm Material Noryl Weight ca 500 g Front Protection Standard IP40 Option front window door IP54 Option pasted Foil IP65 Electrical Supply controller te 3 4 U gt 15 V 1 20 mA Specifications Supply analogous output te 1 5 U gt 15 V 20 mA per each output e g 2 Analogous outputs TTY output 20 mA 20 mA 20 mA 60 mA Sample time Cycle time of the controller 33 ms Analogous inputs A1 3 0 4 20 mA load 15 Ohm The power supply circuit and the three measurement circuits are gavanically connected common ground 4 8 10 12 are internal connected Error in measurement 0 2 Temperature error 0 01 K Digital inputs 0 Signal lt 1 5 Volt 1 Signal gt 3 5 Volt input resistance min 6 kQ Analogous output Current signal 0 4 20 mA error max 0 2 range TK lt 0 01 K Digital outputs Inquiry through intrinsically safe control circuit Galvanically separated up to a voltage of 60 volts Residual voltage driven 1 2 volts TTY interface 600 9600 Baud 8 Data bits 1 Stop bit Modbus See certificate TUV 02 ATEX 1863 for more information G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 4
28. n protected device the respective nationally valid regulations and requirements are to be observed General Instructions Operation of this device should only be implemented by authorised persons and in strict ac cordance with local safety standards The electrical data on the type label and if applicable the special conditions of the test certificate TUV 02 ATEX 1863 are to be observed For outdoor installation it is recommended to protect the explosion protected device against direct climatic influence e g with a protective roof The maximum ambient temperature is 40 C if not stipulated otherwise Intrinsically Safe Circuits Erection instructions in the testing certificates of intrinsically safe apparatus are to be ob served The electrical safety values stipulated on the type label must not be exceeded in the intrinsically safe circuit When interconnecting intrinsically safe circuits it is to be tested whether a voltage and or current addition occurs The intrinsic safety of interconnected circuits is to be ensured EN 60079 14 section 12 Safety Measures to read and to comply Work on electrical installations and apparatus in operation is generally forbidden in hazardous locations with the exception of intrinsically safe circuits In special cases work can be done on non intrinsically safe circuits on the condition that during the duration of such work no explo sive atmosphere exists G nnheimer Elektronic GmbH ph
29. nd Gesundheitsanforderungen f r die Konzeption und den Bau von Ger ten und Schutzsystemen zur bestimmungsgem en Verwendung in explosionsgef hrdeten Bereichen gem Anhang II der Richtlinie Die Ergebnisse der Pr fung sind in dem vertraulichen Pr fbericht Nr 02 YEX 180416 festgelegt 9 Die grundlegenden Sicherheits und Gesundheitsanforderungen werden erf llt durch bereinstimmung mit EN 50014 1997 EN 50020 1994 10 Falls das Zeichen X hinter der Bescheinigungsnummer steht wird auf besondere Bedingungen f r die sichere Anwendung des Ger tes in der Anlage zu dieser Bescheinigung hingewiesen 11 Diese EG Baumusterpr fbescheinigung bezieht sich nur auf Konzeption und Pr fung des festgelegten Ger tes gem Richtlinie 94 9 EG Weitere Anforderungen dieser Richtlinie gelten f r die Herstellung und das Inverkehrbringen dieses Ger tes Diese Anforderungen werden nicht durch diese Bescheinigung abgedeckt 12 Die Kennzeichnung des Ger tes muss die folgenden Angaben enthalten x 112G EEx ib IIC T6 bzw T4 T V NORD CERT GmbH amp Co KG Hannover 15 07 2002 T V CERT Zertifizierungsstelle Am T V 1 D 30519 Hannover Tel 0511 986 1470 Fax 0511 986 2555 T V NORD CERT Der Leiter T V CERT A4 07 01 10 000 L Diese EG Baumusterpr fbescheinigung darf nur unver ndert weiterverbreitet werden Ausz ge oder nderungen bed rfen der Genehmigung der T V NORD CERT GmbH amp Co KG Seite 1
30. ogous input 1 terminals 7 8 and additional Pt100 Terminals terminals 19 20 4 wire connection 3 wire connection 2 wire connection 19 19 19 7 7 7 20 20 20 8 8 8 Adjust the wire impedance in 2 wire connection by software in structure menu step 9 KA 3 4 4 Actual value signal 2 disturbance input X2 Analogous input 2 terminals 9 10 3 4 5 External reference input external desired value WE Analogous input 3 terminals 11 12 3 4 6 Manipulated variable on analogous output Analogous output 1 terminals 13 14 Configure the analogous output of the controller in structure menu step 5 6 as 0 20 4 20 20 0 or as 20 4 mA output The maximum impedance depends on the used power supply 3 4 7 Digital inputs The four digital input terminals terminal 21 24 are programmable for different functions and different working modes normally open connection or normally closed connection See also structure menu steps 16 up to 18 The PR130 with MODBUS option has four additional virtual digital inputs These inputs are only available via MODBUS See also chapter 2 4 3 4 8 Digital outputs The four digital outputs are programmable for different functions limit monitoring min or max external signal exceeding and PWM manipulated variable signal 3 4 9 MODBUS The Modbus interface works via TTY terminals 15 18 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer
31. one 49 6321 49919 0 fax 41 Email info goennheimer de WT158 1 Operation instructions page 4 2 Introduction The PR130 is an electronic all purpose controller for use in hazardous area Its wide programmability offers uses in many applications The protection class of the PR130 is intrinsically safe therefore any circuit connected to the controller must be intrinsically safe The analogous output provides an active intrinsically safe signal 0 4 20 mA to a control positioner or servo actuator The four digital inputs are programmable and can fulfil several functions e g to toggle closed loop feed back control and open loop control to select the actual reference The four digital output ports can be used to monitor the actual value the actuator signal to alarm certain failures or as actuator signal in PWM control mode Pulse Width Modulation 2 1 Control block diagram Display scaled with P1 Q1 D1 X1 X2 W Xd Actual 7 Normalize 0 100 X1 Analogous 13 value 1 X1 8 control algorithm output 1 144 value 2 X2 10 Controller mode Parameters output2 26 limits External 11 y tiza 100 WE PWM m2 reference WE 12 NOMatize outputs 34 2 2 Internal controller types controller structures The use of the PR130 is not limited as an usual fixed reference controller With the PR130 you can real ise a
32. ontinue with last settings Y star Y safety res Wstan W safety 2 Switch to manual operation mode Y stat Y safety Operation mode code Code number to leave operation mode Parameter code Code number to change parameters Operation menu code Code number to change internal reference values G Menu code Code number to change auto manual reference 1 2 external G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Annex Page 35 PR130 Parameters tep ID Menu Poit Choices Chosen Controller constant Ke for set 1 00 01 99 99 1 5000 Integrator disabled 000 0 Differentiator disabled Al Working point for P or PD controller set1 000 0 100 0 only active if integra ca 5000 Integrator disabled V2 Derivative action time for set 2 000 0 999 9 Seconds A ro dated il la tor is disabled 19 X1Min Limit if enabled Range of X1 Limit if enabled a 17 XoMin_ Limit fenabled Ref S O lll e el caia IN 100 ratio controller 0 to 16 384 21 ws internal safety reference value Cd PQDT 22 Ys Safety actuatorvalue ss 17T 77 Coefficient C1 related to disturbance cancellation on input 9 999 9 99 25 C2 Additive Constant C2 related to disturbance cancellation on input _ 200 0 200 0 26 c3 Coefficient C3 related to disturbance cancellation on output 9 999 9999 27 C4 Additive Constant C3 rel to disturban
33. op control Butto 3 8 Done Enter Press the right or left arrow button to increase or decrease the regulator quantity in open loop control Aut To choose the reference source UTO PR130 has 4 different reference sources Int1 W1 internal reference 1 Int2 W2 internal reference 2 Etrn WE external reference source on chan Save nel 3 Save WS internal safety reference Done Enter To toggle the indication while operating actual signal or chosen reference To enter the references W1 and W2 Menu E g W1 50 C W2 100 C 0000 Press menu button W1 for setting is chosen 0050 Press arrow up button until 0050 is adjusted Press menu button a second time to select W2 Menu for setting 0000 O O N Press arrow up button until 0100 is adjusted Done m G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Annex Page 34 ROSA _ PR 130 structure Plant e Structure of controller 0 Fixed set point controller Fixed set point controller with disturbance at input Fixed set point controller with disturbance at output Ratio controller with internal or external ratio Override Minimum Controller Override Maximum C ontroller Actual value input Con 7 8 Pt100 2 wires 1 Pt100 3 wires only by PT100 option PELOO 4 wires J Measure range of P t100
34. ph 2 2 4 0 000 9 999 at 20 mA input current Ban Actuator threshold for heat up 3 Point PWM and split range con trol only Controller pulses only on PWM output 1 while actuator value is above Y1 Choices 000 0 100 0 er Actuator threshold for cool down only using 3 Point PWM and split range control Controller pulses only on PWM output 2 while actuator value is below Y2 Choices 000 0 100 0 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 29 Minimum pulse time using PWM control Choices 000 0 MI MP lt T1 touse T1 YA if T1 YA 2 MI MI else Minimum pause time using PWM control Choices 000 0 MI MP lt T1 tpause T1 100 YA if T1 100 YA gt MP MP else a Periodic time using 2 Point PWM control respectively T1 Periodic time for heat up using 3 Point PWM control Step Choices 000 1 999 9 sec ay cycle using 3 point PWM control TVheat up YA Y1 100 Y1 ww Pe Periodic time for cool down using 3 Point PWM control Choices 000 1 999 9 sec Duty cycle TV oot down YA Y2 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 30 4 3 3 How to determinate the PID parameters The dynamic behaviour of a PID controller can be charac
35. t 7 only modbus option Choices like step 16 Function of Digital Input 8 only modbus option Choices like step 16 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 21 se Working mode of Digital Input N Choices normal open normal closed Pe working mode of Digital Input2 i ti iti s s sSsS Choices normal open normal closed identity selected TVA mada nf Diqtalinnit2 2 fl Working mode of Digital Input 3 Choices normal open normal closed e Tee Working mode of Digital Input4 mode of Digital Input 4 normal open normal closed enw e Working mode of Digital Input 5 only modbus option Choices normal open normal closed enw TT Working mode of Digital Input 6 only modbus option Choices normal open normal closed Pe working mode of Digital Input 7 only modbus option Choices normal open normal closed enw e Working mode of Digital Input 8 only modbus option normal open normal closed G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 22 Choices 0 no function 1 PWM control 1 2 PWM control 2 3 X1 min underflow 4 X1 max overflow 5 X2min underflow 6 X2 max overflow 7 WE underflow WE max overflow 9 Y min under run Y max overflow 11 XD min under r
36. terised by some general rules integer P con trollers have a remaining control deviation this can be cancelled by introducing an integral contribution But this integral part increases controller oscillation tendency and the control loses speed Plants contain ing a dead time are only adjustable with an integral contribution because a pure P controller leads to permanent oscillations A pure l controller is unsuitable for plants without compensation A D component gives the controller a fast response but pulsating signals e g in pressure control leads to instabilities Controllers containing a D component are suitable for slow plants e g in temperature control To achieve zero error conversation a PID controller must be used Some further relationships between plant order and controller structure a Pl controller is sufficient for 1 order plants 2 order plants requires a PID controller for very high claims a cascade control is required Plants in 3 and higher order are often only controllable with a cascade control Parameter determination according to the step response To utilise the step response of the plant the controller must be off line Points of interest are the delay time Tu recovery time Tg and the plant amplification Ks actuator value E IN A y v 3 actual value time N Z Tg y e ee A O A x a US time Ks Ax Ay Next determinate the PID parameters according the following table dea
37. un XD max overflow 13 X1 broken wire bw X1 physical current overflow pco 15 X1 pco or bw X2 broken wire bw 17 X2 physical current overflow X2 pco or bw 19 WE broken wire 20 WE physical current overflow 21 pco or bw 22 Manual Auto Indicator 0 Manual 1 Auto selected Function of Digital output 1 Function of Digital output 3 Choices like step 24 Function of Digital output 4 Choices like step 24 Working mode of Digital output 1 Choices no normal open nc normal closed Working mode of Digital output 2 Choices o normal open nc normal closed Working mode of Digital output 3 Choices o normal open nc normal closed Working mode of Digital output 4 Choices o normal open nc normal closed G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 23 JT Limiting of actual signal X1 minimum Choices ignore fit signal to internal limit fen Pr Limiting of actual signal X4 maximum Choices ignore fit signal to internal limit e pT Limit monitoring limiting of actual signal X2 minimum Choices ignore fit signal to internal limit pe Per Limiting of actual signal X2 maximum Choices ignore fit signal to internal limit Limiting of external reference signal minimum Choices ignore fit signal to internal limit Identity selected WEnax Choi
38. ximum of actuator value YA only in auto mode active Minimum of error signal Xd unit Maximum of error signal Xd unit m hysteresis OFSignal mts of signal limits Choices Unit concerned to P Q step 18 19 structure menu pe Jess Slew rate limit of reference signals values Choices Enter the approximate rising 0 to 100 time of any reference Unit is seconds The value 000 0 disables the slew rate e pe Jess Internal safety reference value Choices Value in range of P1 e Safety actuator value Choices 0 100 0 G nnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de PR130 4 Configuration and operation Page 28 selected Adjust cut off frequency of low pass filter for signal X1 X2 WE 0 1 15 Hz Coefficient C1 related to disturbance cancellation on input Choices 9 999 9 999 Additive Constant C2 related to disturbance cancellation on input Choices 200 0 200 0 Coefficient C3 related to disturbance cancellation on output Choices 9 999 9 999 di Additive Constant C4 related to disturbance cancellation on output Choices 100 0 100 0 100 0 100 0 2 Lowest ratio of external ratio reference only by using ratio control see block diagram in paragraph 2 2 4 0 000 9 999 at 0 4 mA input current pi Highest ratio of external ratio reference only by using ratio control see block diagram in paragra

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