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Crouzet TEMPERATURE CONTROL USER MANUAL CTD 24

1. cccceeceeeeeeeeeeeees A 1 SECURITY CODES oreda aA EAE ARATE A 2 GENERAL INFORMATIONS ccccceeceeeeeeee sees 47 MOUNTING REQUIREMENTS This instrument is intended for permanent installation for indoor use only in an electrical panel which encloses the rear housing exposed terminals and wiring on the back Select a location for instrument mounting where minimum vibrations are present and the ambient temperature is within O and 50 32 and 122 OF The instrument can be mounted on a panel up to 15 mm thick with a 45 x 22 2 mm square cutout For outline and cutout dimensions refer to Fig A The surface texture of the panel must be better than 6 3 um The instrument is shipped with rubber panel gasket To assure the IP65 and NEMA 4 front protection insert the panel gasket between the instrument and the panel as shown in fig 1 For the instrument mounting proceed as follows 1 insert the gasket in the instrument case 2 insert the instrument in the panel cutout 3 pushing the instrument against the panel insert the mounting bracket and press it against the panel 1 48 Gasket LA CroL cG Crouzet CTD 24 Bracket Fig 1 Crouzet 6 CONNECTIONS Screw terminals from n up to 6 screw M2 6 for cables from f 0 25 to f 2 5 mm or from AWG 22 to AWG 14 max torque 0 4 Nm Screw terminals from n up to 9 screw M2 for cables from f 0 25 to f 0 75 mm or
2. ln L configuration parameter to rH NOTE When rL is modified and the new value is higher than the SP and or SP2 value the SP and or SP2 value will be realigned to rL 29 48 W O Cr ouzet Set point high limit Gr 5 Range from rL to ln L configuration parameter NOTE When rL is modified the new value is lower than the SP and or SP2 value the SP and or SP2 value will be realigned to rH Rate of change for positive set point variations Gr 5 Range from 1 to 200 digits per minute Above this value the display shows Inf and the transfer will be a step change F Rate of change for negative set point variations Gr 5 rdg Range from 1 to 200 digits per minutes Above this value the display shows Inf and the transfer will be a step change Time out for the 80ft start Gr 5 This parameter is available when at least one output is configured as control output Range from 1 to 540 min Above this value the display shows InF and the limiting action is always active NOTE The tOL can be always modified and ifthe new value is set from 1 to 540 it will be activated only at the next instrument power up or when the instrument is reverted from the output power off If InF is set it will be immediately activated Group 5 default data loading Range OFF No loading data ON loading data 30 48 W O Cr ouzet Run time
3. alarm 2 type Proc alarm on threshold alarm 2 config H A high alarm alarm 2 action dir direct action alarm 2 stand by OFF stand by disabled 48 48 Crouzet 4 NG
4. In this open loop mode all control outputs will be in the OFF state and the alarms will be in non alarm condition the instrument will function as an indicator showing on the display the measured value It is possible to disable the control output by pressing the REV key for more than 4 s or setting to OFF the Cntr run time parameter Gr 2 During the output power off all the display functions normal display mode and alternative functions of the display are available but the display will show OFF if the control output value is required At power up the control output will remain disabled if a power down is occurred It is possible to restore the control outputs by pressing the REV key for more than 4 seconds or setting to ON the Cntr run time parameter Gr 2 When the control output is restored all the instrument functions will be activated as for a power up NOTE if the run time parameter Gr 2 which encompasses the Cntr parameter is software protected the REV pressure has no effect In this case the control output may be enabled or disabled by setting the Cntr parameter only SP SP2 SELECTION By setting the SP SL Set point selection run time parameter it is possible to select the operating set point between SP and SP2 The SP SL parameter will be available only if the AV Sp Set point available configuration parameter is set to 2 otherwise will be available SP o
5. OP SP during run time mode when the instrument performs a ramp it will show the operative se1 point HS p Set point available Range amp 1 Only the main set point is available 2 Main and auxiliary set point are available Time out selection F lou Range tn 10 10s time out tn 30 30s time out NOTE for more details see NOTE 3 at page 15 15 48 D rouzet Time of selection on alternative functions of the display Ou This time out is applied in run time mode to the alternative functions ofthe display when the instrument is in normal display mode Range tn 10 10s time out tN 30 30s time out nonE No time out is applied Security code for run time parameters Range 0 No protection it is always possible to modify all run time parameters 1 always protected it is not possible to modify any run time parameter from 2 to 9999 security code for run time parameter protection Run ti me parameter groups protected by security code This parameter is available if a security code is set S run is different from 0 or 1 Range All all run time parameters groups will be protected 1 from group 2 up to hidden will be protected 2 from group 3 up to hidden will be protected 3 from group 4 up to hidden will be protected Security code for configuration parameters Range 0 No protection it is always possible to modify all configuration parameters 1 alwa
6. and Pb Lo parameters Hysteresis for ON OFF control Gr 4 This parameter is available when Pb 0 On OFF control action Range from 0 1 to 10 0 of the input span Eu Integral time Gr 4 Er This parameter is available when at least one control output is configured and Pb is different from O Range from 00 01 to 20 00 mm ss Above this value the display blanks and the integral action is excluded NOTE When device is working with SMART algorithm the ti value will be limited as selected by Gr Hd tLHi and tL Lo parameters 25 48 Crouzet 4 NG Derivative time Gr 4 This parameter is available when at least one control output is configured the Cn tP configuration parameter is equal to Pid and Pb is different from 0 Range From 00 00 to 10 00 mm ss NOTES 1 When device is working with SMART algorithm and the Cn tP configuration parameter is equal to Pid the td value will be proportional to the ti value with a ratio established by the SMART algorithm 2 When Cn tP is equal to Pi the derivative action is excluded Integral preload Gr 4 This parameter is available when at least one control output is configured and Pb is different from O Ranges from 0 to 100 of the output when device is configured with only one control output from 100 to 100 of the output when device is configured with two control ou
7. Run time and configuration modes General notes 2 3 4 5 6 7 When the instrument is in run time mode and no modification parameter is in progress the instrument displays the measured variable we define this condition normal display mode The instrument parameters are divided in two families symbol character Run time parameters formed by the groups 1 2 ema 3 4 5 6 default and hidden 5 k Configuration parameters TFE W At power up the instrument starts in the same mode configuration or run time it was prior to the power n m OFF E ba a Z General note about graphic symbols used for an mnemonic code visualization H i V The instrument displays some characters with special e fe J symbols J The following table shows the correspondence between the symbols and the characters 5 48 i N rouzet r Keyboard description FUNC REV A FUNC vV FUNC A REV v REV NOTES o when the instrument is in normal display mode if depressed for less than 4 S it changes the indication on the display see Alternative function of display o when the instrument is in normal display mode if depressed for more than 4 S it enables the lamp test see Lamp Test paragraph o During parameter modification it allows to memorize the new value of the selected parameter and go to the next parameter increasing order o When the instrument is
8. described at point a 1 This instrument is capable to detect the sensor leads break condition When the sensor leads break condition is detected the instrument shows Note On the linear input the leads break can be detected only for 12 60 mV range In addition on RTD input a special test is provided to signal when input resistance is less than 12 Q Short circuit sensor detection The instrument is also capable to detect a reference junction measurement error E 502 and on the internal auto zero E 500 When a fault condition different from over range or under range is detected alarms and control output will operate as in presence of an over range condition ERROR MESSAGES At the end of the configuration parameters modification the instrument checks the new parameter values At instrument start up in run time mode all the parameters are checked 44 48 rouzet NG If an error is detected on a run time parameter group for ex group 5 the instrument will show The Instrument resets Itself automatically after a 6 second time out When one of these errors Is detected following the procedures described for standard parameter modification achieve the group with the wrong parameter setting and correct it every keystroke resets the time out The time out Is disabled when modify configuration parameters mode is enabled When the error is corrected push the Y FUNC keys until the Ins
9. A Ji Low threshold used when the alarm 2 is a band alarm Gr 3 This parameter is available only when the alarm 2 is configured as band alarm Gr 6 A2 tP bAnd Range from 0 to 1000 digits as band alarm Gr 6 A2 tP bAnd Range from 0 to 1000 digits High threshold used when the alarm 2 is a band alarm Gr 3 This parameter is available only when the alarm 2 is configured NOTE The bA2 L and bA2 h values are algebraically added to the operative set point in order to obtain the band limits Alarm 1 hysteresis Gr 3 HSA This parameter is available only when Out 1 is configured as alarm output O1 Fn ALr 1 Range from 1 to 200 digits H C A o Alarm 2 hysteresis Gr 3 This parameter is available only when Out 2 is configured as alarm output O2 Fn ALr 2 Range from 1 to 200 digits d m co Group 3 default data loading IdFL3 Range OFF No loading data ON loading data 24 48 S Si ouzet Run time group 4 CONTROL PARAMETERS Gr 4 Proportional band Gr 4 This parameter is available when at least one control output is configured Range from 1 0 to 100 0 of the input span Set 0 0 for On OFF control action NOTES 1 The Pb resolution will be equal to 0 1 up to 10 0 and 1 from 10 0 up to 100 0 2 When device is working with SMART algorithm the Pb value will be limited as selected by the Gr Hd Pb Hi
10. If only one control output is configured it has to be nAin 5 The linear input span is greater than 100 digits 17 48 Crouzet 4 NG If a wrong setting is detected the display will show for 2 seconds and then the instrument restarts the configuration procedure Correct the error and repeat the configuration end Exiting from the configuration group the following actions are carried out as well a If only one control output is configured the SF UL parameter Output safety value will be forced to zero if its value is less than 0 b If the LBA alarm output is assigned to an output configured as control output the L b AL parameter LBA output assignment will be forced to diSP c If the output configuration is changed the IP Integral pre load Gr 4 run time parameter will be forced to 50 if one control output is configured or to 0 if two control outputs are configured d If the instrument is configured with two control outputs the control action Cn Ac parameter will be forced to rEv and it cannot be modified RUN TIME MODE The run time mode is the instrument operating mode during the run time mode the instrument performs the control loop and manages all the functions SMART alarms etc When the instrument operates in run time mode the display shows the measured value we define this condition as normal display mode ALTERNATIVE FUNCTIO
11. from AWG 22 to AWG 18 max torque 0 25 Nm r Ta 1Tel olala 1 2 3 14 5 L6 7 8119 IN L C C NO JI Ni RELAY RELAY RTD tc Pane 5 ae ssaRy tS OUT1 OUT2 LINEAR A MEASURING INPUTS NOTE Any external component like zener barriers etc connected between sensor and input terminals may cause errors in measurement due to excessive and or not balanced line resistance or possible leakage currents External resistance 100 max maximum error 0 1 of span Ones umpamen p tS Cold junction automatic compensation g from 0 to 50 C Cold junction accuracy 0 1 C C Shield Input impedance gt 1 MQ str NOTES 12 ee 8 Shield 1 Don t run input wires together with ower cables p Fig 2 THERMOCOUPLE INPUT WIRING 2 For TC wiring use proper compensating cable preferable shielded 3 When a shielded cable is used it should be connected at one point only 2 48 LA lt y Crouzet RTDINPUT Input for RTD Pt 100 Q 3 wire connection Line resistance automatic compensation up to 25 Q wire with no measurable error NOTES 1 Don t run input wires together with power cables 2 Pay attention to the line resistance a high line resistance may cause measurement errors 3 When shielded cable is used it should be Fig 3 RTD INPUT WIRING grounded at one side only to avoid ground loop currents 4 The resistance of the 3 wir
12. group 6 ALARMS SETTING Gr 6 Alarm 1 type Gr 6 m C This parameter is available only when OUT 1 is configured as alarm 1 output 01 Fn configuration parameter ALr 1 Range Proc Alarm on process variable bAnd Band alarm on process variable dEV Deviation alarm on process variable NOTE When alarm type has been changed the alarm threshold will be forced to its default value and alarm status will be deleted Alarm 1 configuration Gr 6 This parameter is available only when OUT 1 is configured as alarm 1 output 01 Fn configuration parameter ALr 1 Range H A High alarm outside band with automatic reset L A Low alarm inside band with automatic reset H A Ac High alarm outside band with automatic reset and acknowledge LA Ac Low alarm inside band with automatic reset and acknowledge H L High alarm outside band with manual reset L L Low alarm inside band with manual reset NOTE When alarm configuration has been changed the alarm status will be deleted 31 48 Crouzet 4 NG Example for A1 Cn A2 Cn H A Measured Alarm Alarm Value Threshold Hysteresis ON Relay out OFF ON LED 1 2 a Flash Flash a T yn ak jn if A alarm condition detection B automatic reset of alarm C manual reset the LED gets steady lit the alarm remains in the alarm status until the process variable reaches the alarm threshold minus
13. hysteresis D 32 48 LAr TOAS Cr rouzet Example for A 1 Cn A2 Cn H A A c Measured Alarm Alarm Value Threshold Hysteresis ON d Relay out OFF LED 1 2 OFF 5 i Flash Flash A A B A C D A alarm condition detection B automatic reset of alarm C manual reset the LED gets steady lit the relay output goes OFF but the LED remains steady lit until the process variable reaches the alarm threshold minus hysteresis D 33 48 IA e CY Crouzet Example for A1 Cn A2 Cn H L Measured Alarm Value Threshold FE O Z O erm E O 9 ON LF p Relay out OFF ON LED 1 2 F OF Alarm Hysteresis Flas Flash Steady A alarm condition detection B the alarm remains in alarm status even if the measured value is under the threshold until a manual reset is performed C E ifa manual reset is performed when the alarm condition still exist the LED gets steady lit the alarm remains in the alarm status until the process variable reaches the alarm threshold minus hysteresis D 34 48 LAr cG Crouzet p ir Alarm 1 action Gr 6 This parameter is available only when OUT 1 is configured as alarm 1 output 01 Fn configuration parameter ALr 1 Range dir direct action Relay energized or SSr 1 in alarm condition rEV Reverse action Relay energized or SSr 1 in non alarm condition Alarm 1 stand by mask function Gr 6 Th
14. range 330 750 F 13 TC type N range 150 2550 F 14 TC type S range 60 3200 F 15 TC type R range 60 3200 F 16 RTD Pt100 range 330 1560 F 17 Linear range O 60 mV 18 Linear range 12 1 60 mV For these ranges it is possible to select a readout with one decimal figure in this case the instrument cannot display a measure lower than 199 9 or higher than 999 9 and the input range will be limited by it NOTE When input type has been changed the instrument automatically forces the fA In L and SS th parameters to the new initial scale value 0 for linear range the n In H parameter to the new full scale value 4000 for linear range the n In d parameter to no decimal figure 10 48 i rouzet NG Decimal point position A Ind This parameter is available only for the input types 1 up to 4 8 16 up to 18 No decimal figure One decimal figure Two decimal figures Three decimal figures NOTES 1 For input types 1 to 4 8 and 16 only the no decimal figure and one decimal figure are selectable the input range is limited within 199 9 and 999 9 and it acts as an input type changement 2 For linear input types 17 and 18 all positions are available f lel Readout initial scale value nl Range For linear inputs it is programmable from 1999 to 9999 For TC and RTD inputs it is programmable from init
15. INDEX MOUNTING REQUIREMENTS ccccccceeeeeeeeeees 1 CONNECTIONG ccccscccceseeceseeceeceseesecsseeeseeeeseas 2 INSTRUMENT CONFIGURATION c ceceeeeees 5 Run time and configuration modes 006 5 General note about graphic symbols used for mnemonic code visualization 00ccee 5 Keyboard CeSCriIption cccseceeseeeeeeeeeeeeeeeaeees 6 Hardware setting cccccssccssseessseeeeseeenseeseaees T CONFIGURATION MODE c ccccceeeeceeeeeeeeeeeeees 8 Monitor mode ccccceccceeeceeeeaeeeeeeeeaeeeeeeeseeeeees 8 Modify mode ccccssececcessecceeseecceseeeseeseessaaeees 9 CONFIGURATION PARAMETERS 0000008 10 RUN TIME MODE cccccccccecceceeceeeeeeeeeeeeeeeeeeaes 18 Alternative functions of the display 5 18 gle Isic Ce 6a eee ii eee eee 19 RUN Time parameters cccccceececeecceeeeaeeeseeeeeeeeaes 19 Output power Off function cece eecceeeeeeeeeeeeaeees 40 SP SP2 selection ee ceeccceeeeceeeeeceeeeeeees 40 Direct access to the set point ceeeee 40 Lamp lOS ericka i 41 Loop break alarm ccccccceccceeeeeeeeseeeeeeeeaeeeaes 41 SMART function ccccceeeceeeeeeeeeeeeeeeeesaneeees 42 ERROR MESSAGES cccccceeccceeceeeeeeeseeeeseesenanees 43 GENERAL INFORMATIONS ccccceeceeeeeeeee eens 46 DEFAULT PARAMETERS
16. If the run time display type has been changed L b AL indication will be restored after t2 ou t2 ou will be equal to 10 s if it was set as nonE INDICATORS ST Flashing when the first part of the SMART algorithm is active Lit when the second part of the SMART algorithm is active 1 Lit when OUT 1 is used as control output and it is in ON condition or when alarm 1 is in alarm state and acknowledged Flashing when alarm 1 is in alarm state not acknowledged 2 Lit when OUT 2 is used as control output and it is in ON condition or when alarm 2 is in alarm state and acknowledged Flashing when alarm 2 is in alarm state not acknowledged RUN TIME PARAMETERS When the instrument is in normal display mode it is possible to monitor or to modify the run time parameters in the following way 1 by pushing the W FUNC keys select the parameter group to be modified use the A REV keys to scroll backward The display will show the number of the parameter group selected 19 48 G Crouzet NG NOTE if a security cede is assigned to run time parameters group the SC group security code will be displayed before the first protected group 2 Push the FUNC key to scroll forward through parameters REV for backward the display will show the mnemonic code 3 Push A or key the instrument shows the value or status of the selected parameter 4 By Aor V key it is possible to change the desired val
17. NS OF THE DISPLAY From the normal display mode it is possible to change the information shown on the display in the following way a By pushing the FUNC key the display will show if configured the loop break alarm LBA status annunciator as follows L b OF L b AL AL flashing alarm condition L b AL AL steady alarm acknowledged no alarm b Push FUNC key again the display will show the Fig 10 Control output operative or final set point as set for the value Set point SP dS parameter the decimal point as shown in Fig 10 is lit 18 48 f r a Crouzet NG c Push FUNC key again the display will show the control output value the two points as shown in Fig 10 are lit The value of the MAIN control output is shown on the two most significant digits while the SECONDARY control output is shown on the two least significant digits NOTES 1 The graphic symbol 0 IT shows that the respective output value is 1 00 2 If the control output is disabled the display will show OFF d Push FUNC key again the display will show IIVII followed by code All and the software version code Push FUNC key again The display will return in Normal Display Mode NOTES 1 The alternative functions of the display are bound to the time out set by 2 0u parameter 2 When the LBA is in alarm condition the L b AL indication AL is flashing will be immediately displayed
18. above the set operating range of 20 to 40 degrees Celsius C Since the CTD24 is monitoring the temperature the configuration and parameter control functions are not necessary The main requirements are to set the temperature input device and the output functions Configuration Parameters 1 9 In Inte Input type 11 ie f i lowlimitscale value 150 fl lnl ow limit scale value In RH high limit scale value 2500 D F GE input offset adjustment O Fr oari an 0 C FA output 2 function Alr 2 set point indication Fn SP ASP set point available 1 type K thermocouple default value default value default value alarm 1 output alarm 2 output default value only main set point All remaining functions can be left at the default settings 10 Security codes can be activated at the user s discretion ll Run Timer Parameters 1 2 Gr Set point values can be set but not necessary T F J Alarm threshold and hysteresis value a manual rest of alarms OFF 47 48 D C Crouzet C AL j alarm 1 threshold 20 low temperature limit RL g alarm 2 threshold 40 high temperature limit HSA r alarm 1 hysteresis 1 low temperature limit HSRE alarm 2 hysteresis 1 high temperature limit e 5 Alarm settings f A it m alarm 1 type Proc alarm on threshold I n i H iLf alarm 1 config L A low alarm alarm 1 action dir direct action D a rq alarm 1 stand by OFF stand by disabled
19. ate the two limits which define the correct process behavior The LBA function is automatically activated when the control algorithm requires the maximum or the minimum power If the process response is slower than the estimated limits the instrument generates the L b AL AL flashing alarm indication in order to show that one or more element of the control loop is in fault condition X It is possible to acknowledge the LBA alarm by setting rst manual reset of alarm Gr 3 run time parameter to ON and then pushing the FUNC key the indication displayed prior to the alarm condition will be shown again The alarm acknowledgement status L b AL with AL steady may be displayed by pushing the FUNC key once when the instrument is in normal display mode Deviation from 0 to 500 units Time from 1 second to 40 minutes Hysteresis from 1 to 50 of the power output NOTES 1 The LBA does not operate during the soft start 2 The LBA function can work even when the instrument operates with the SMART function 41 48 rouzet 4 NG SMART FUNCTION It is used to automatically optimize the control action To enable the SMART function proceed as follows 1 push the W FUNC keys until Gr 2 run time parameter group is shown 2 push the FUNC key until S rt parameter is shown 3 push A or V and set the On indication on the display 4 push the FUNC key The ST LED is flashing during the first part o
20. atic reset H A Ac High alarm outside band with automatic reset and acknowledge LA Ac Low alarm inside band with automatic reset and acknowledge H L High alarm outside band with manual reset LL Low alarm inside band with manual reset NOTE When alarm configuration has been changed the alarm status will be deleted A J R C Alarm 2 action Gr 6 This parameter is available only when OUT 2 is configured as alarm 2 output 02 Fn configuration parameter ALr 2 Range dir direct action Relay energized or SSr 1 in alarm condition REV Reverse action Relay energized or SSr 1 in non alarm condition Alarm 2 stand by mask function Gr 6 This parameter is available only when OUT 2 is configured as alarm 2 output 02 Fn configuration parameter ALr 2 Range OFF Stand by function disabled On Stand by function enabled NOTES 1 Ifthe alarm is programmed as band or deviation alarm this function masks the alarm condition after a set point change or at the instrument start up until process variable reaches the alarm threshold plus or minus hysteresis If the alarm is programmed as a process alarm this function masks the alarm condition at instrument start up until process variable reaches the alarm threshold plus or minus hysteresis 36 48 rouzet 4 NG 2 The change from On to OFF has immediate effect while the change from OFF to On has effect at t
21. ax Insulation 2300 V rms according to EN 61010 1 Display updating time 500 ms Sampling time 250 ms for linear inputs 500 ms for TC and RTD Inputs Accuracy 2 f s v 1 digit 25 C 77 F and nominal power supply voltage Common mode rejection 120 dB 50 60 Hz Normal mode rejection 60 dB 50 60Hz Electromagnetic compatibility and safety requirements This instrument is marked CE Therefore it is conforming to council directives 89 336 EEC for industrial residential and commercial environment and to council directives 73 23 EEC and 93 68 EEC reference harmonized standard EN 61010 1 Installation category Pollution degree 2 Temperature drift CJ excluded lt 200 ppm C of span for mV and TC ranges 3 4 5 11 12 13 lt 250 ppm C of span for TC ranges 1 2 5 7 9 10 14 15 lt 500 ppm C of span for RTD ranges Operative temperature from 0 to 50 C 32 to 122 F Storage temperature 20 to 70 4 to 158 F Humidity from 20 to 85 RH non condensing Control output updating time 250 ms when a linear input is selected 500 ms when a TC or RTD Input is selected 46 48 O Crouzet Programming Example Temperature monitor with alarm set points for low limit and high limit The CTD 24 controller is not directly controlling the heater or device that is changing the temperature It is monitoring the temperatures and will activate one of 2 alarms if the temperature goes below or
22. condition NOTE the reset acknowledge function is always enabled it is not protected by security code 22 48 Crouzet 4 NG A L j Alarm 1 threshold Gr 3 This parameter is available when alarm 1 is configured as process or deviation Gr 6 A1 tP Proc or dEV Range in engineering units within the span limits for process alarm from 1000 to 1000 digits for deviation alarm NOTE The span limits are configured by f In L and A In H configuration parameters Low threshold used when the alarm 1 is a band alarm or This saranieter is available only when the alarm 1 is configured as band alarm Gr 6 A1 tP bAnd Range from 0 to 1000 digits High threshold used when the alarm 1 is a band alarm Gr 3 This parameter is available only when the alarm 1 is configured as band alarm Gr 6 A1 tP bAnd Range from 0 to 1000 digits NOTE The bA1 L and bA1 h values are algebraically added to the operative set point in order to obtain the band limits Alarm 2 threshold Gr 3 This parameter is available when alarm 2 is configured as process or deviation Gr 6 A2 tP Proc or dEV Range in engineering units within the span limits for process alarm from 1000 to 1000 digits for deviation alarm NOTE The span limits are configured by A In L and A In H configuration parameters 23 48 W O Si ouzet b
23. e time out See note 2 NOTES 1 During monitor mode the instrument continues to operate as in run time mode 2 If no push button is depressed for more than 1 0 s or 30 s according to t1ou time out selection parameter setting the instrument returns automatically to the normal display mode 8 48 gt rouzet 4 NG MODIFY MODE When it is desired to modify the configuration parameters proceed as follows By A or V key select the configuration modify mode if the hardware protection is disabled see Hardware protection for configuration parameters paragraph the display will show Push the FUNC key 1 If the araon group is protected by security code the display will show 1 A By A and T keys enter a value equal to the security code set for the configuration mode or the master key see appendix A Note the master key allows to enter in modify configuration parameters mode either if any other configuration security code is set or if the configuration parameters are always protected S CnF 1 Push the FUNC the FUNC key the display will show dFEn It is the first parameter of the configuration group and the parameter modification is started Press the FUNC key to scroll through parameters when the parameter to be modified has been reached change its value or status by A and W keys 1 B If the value is different from the security code the display will show COnF 2 If the configuration gro
24. edure has been enabled while the second part of the SMART algorithm ADAPTIVE was in progress the HPb and Hti parameters will be updated with the values calculated by the first part TUNE of the SMART for the new type of control action If these values are wrong the following actions occur the HE 120 error message is displayed for 2 seconds the IIPbR and RtiR parameters will not be updated the instrument will work as PI controller td parameter will be forced to 0 It is advisable to restart the SMART algorithm 5 er Condition for output safety value This ae is available only when at least one control output is configured Ranges Std No safety value standard setting see chapter ERROR MESSAGES Ov Un Safety value applied when the instrument detects an overrange or underrange condition of the input OvEr Safety value applied when the instrument detects an overrange condition of the input Undr Safety value applied when the instrument detects an underrange condition of the input 13 48 W O Si ouzet SFY Output safety value This parameter is available only when ASECnA is equal to Ov Un OvEr or Undr Range from 0 to 1 00 if the instrument is configured with one control output from 100 to 100 if the instrument is configured with two control outputs x G LHI Input threshold to enable the soft start This parameter is available only when at least one control
25. es must be the same LINEAR INPUT NOTES 1 Don t run input wires together with power cables 2 Pay attention to the line resistance a high line resistance may cause measurement errors 3 When shielded cable is used it should be grounded at one side only Fig 4 mV INPUT WIRING avoid ground loop currents 0 60mV gt 1Ma_ 0 2 1 digit 12 60mV 25 CY Crouzet bee B RELAY OUTPUTS The contact rating the relay outputs 3A 250V AC on resistive load The number of operations is 1x 105at Out specified rating NOTES Out 2 1 To avoid electrical shock connect power at the end of the wiring procedure Q py a ab NO Q 5 puso NO 6 line 2 For power connections use No 16 or 14 A WG rated for at last 75 C Fig 5 RELAY OUTPUTS WIRING 3 Use copper conductors only 4 Don t run input wires together with power cables All relay contacts are protected by varistor against inductive load with inductive component up to 0 5 A VOLTAGE OUTPUTS FOR SSR DRIVE They are time proportioning Out 1 outputs SOLID STATE RELAY Logic level 0 Vout lt 0 5 V DC Out 2 o J Logic level 1 5 o 14V 20 20 mA E P 24 V 20 1 mA LS ea SOLID STATE Maximum current 20 mA RELAY Fig 6 SSR DRIVE OUTPUTS NOTE These outputs are not isolated A double or reinforced isolation between instrument outpu
26. f the SMART algorithm TUNE while it is steady lit during the second part ADAPTIVE When the smart function is enabled it is possible to display but not to modify the control parameters To disable the SMART function proceed as follows 1 push the W FUNC keys until Gr 2 run time parameter group is shown 2 push the FUNC key until SfArt parameter is shown 3 push A or V and set the OFF indication on the display 4 push the FUNC key The ST LED will turn off The instrument maintains the current set of control parameters and it enables parameter modification NOTES 1 the SMART function cannot be activated when the ON OFF control is programmed Pb O the control output is disabled the SMART function is not configured 2 The SMART enabling disabling can be protected by safety key 42 48 Crouzet NG ERROR MESSAGES OVERRANGE UNDERRANGE AND SENSOR LEADS BREAK INDICATIONS This instrument is capable to detect a fault on the process variable OVERRANGE or UNDERRANGE or SENSOR LEADS BREAK When the process variable exceeds the full scale value programmed by the n In t parameter an OVERRANGE condition occur and it will be shown on the display as follows When the process variable is lower than the initial scale value programmed by the n In t parameter an UNDERRANGE condition occur and it will be shown on the display as follows In presence of an input out of range c
27. he next start up or set point change Loop break alarm configuration Gr 6 This parameter is available only when the LBA is configured L b AL configuration parameter is different from nonE Range A Alarm with automatic reset A Ac Alarm with automatic reset and acknowledge L Alarm with manual reset Loop break alarm action Gr 6 This parameter is available only when the LBA is configured L b AL configuration parameter is different from nonE Range dir direct action Relay energized or SSr 1 in alarm condition rEV Reverse action Relay energized or SSr 1 in non alarm condition NOTE if the LBA is ored with AL 1 or AL2 this parameter can be monitored only but not modified The action type will be the same as selected for AL1 or AL2 Group 6 default data loading Range OFF No loading data ON loading data 37 48 rouzet NG Run time group dF DEFAULT RUN TIME PARAMETERS LOADING Range OFF No loading data ON loading data Run time group Hidden HIDDEN PARAMETERS SMART LIMITS This group is not normally accessible scrolling through the run time parameter groups It is possible to enter in this group from every group when Gr 1 or Gr 2 etc is displayed by keeping depressed the W FUNC keys for 4 seconds Minimum value of proportional band calculated by SMART algorithm Gr Hd This parameter is available only when SMART function is c
28. ial range value to ii In H parameter readout full scale value NOTES 1 Changing the ii In I value the rl run time parameter will be aligned to it if the new value is higher than the SP and or SP2 value the SP and or SP2 value will be aligned to rl 2 Ifa linear input is selected the SS th Input threshold to enable the soft start configuration parameter will be aligned as well 3 Ifa linear input is selected the value of this parameter can be greater than ii ln H in order to get a reverse readout je H J Readout full scale value Range For linear inputs it is programmable from 1999 to 9999 For TC and RTD inputs it is programmable from ii In I readout initial scale value to full range value NOTES 1 Changing the ii ln H value the rHO run time parameter will be aligned to it if the new value is lower than the SP and or SP2 value the SP and or SP2 value will be aligned to Nrl 2 The programmed input span in absolute value must be greater than 300 or 550 of for TC inputs 100 or 200 of for RTD inputs 100 digits for linear inputs 3 Ifa linear input is selected the value of this parameter can be smaller than ii ln l in order to get a reverse readout 11 48 O Crouzet OFSE Input offset adjustment Range from 500 to 500 digits NOTES 1 The decimal point will be automatically positioned as selected for the main input 2 The offset value will be algeb
29. in normal display mode if depressed for more than 4 S itis possible to disable the control output see Output power OFF paragraph o During parameter modification it allows to scroll back the parameters without memorizing the new setting o During parameter modification the first pressure allows to display the current value or status of the selected parameter the following pressure allows to increase this value or to change the status o During parameter modification the first pressure allows to display me current value or status of the selected parameter the following pressure allows to decrease this value or to change the status o During parameter modification they allow to increase the value under modification with higher rate o If depressed for less than 4 s they allow to scroll the run time parameter groups in increasing order only when the mnemonic code of a group is displayed for ex Gr 1 o During parameter modification they allow to decrease the value under modification with higher rate o When the instrument is in normal display mode if depressed for more than 4 s they allow to start the configuration mode o If depressed for less than 4 s they allow to scroll the run time parameter groups in decreasing order only when the mnemonic code of a group is displayed for ex Gr 1 O During parameter modification they allow to jump to the max programmable value o During parameter modification they all
30. is parameter is available only when OUT 1 is configured as alarm 1 output 01 Fn configuration parameter ALr 1 Range OFF Stand by function disabled On Stand by function enabled NOTES 1 If the alarm is programmed as band or deviation alarm this function masks the alarm condition after a set point change or at the instrument start up until process variable reaches the alarm threshold plus or minus hysteresis If the alarm is programmed as a process alarm this function masks the alarm condition at instrument start up until process variable reaches the alarm threshold plus or minus hysteresis 2 The change from On to OFF has immediate effect while the change from OFF to On has effect at the next start up or set point change Alarm 2 type Gr 6 This parameter is available only when OUT 2 is configured as alarm 2 output 02 Fn configuration parameter ALr 2 Range Proc Alarm on process variable bAnd Band alarm on process variable dEV Deviation alarm on process variable NOTE When alarm type has been changed the alarm threshold will be forced to its default value and alarm status will be deleted 35 48 Crouzet 4 NG Alarm 2 configuration Gr 6 This parameter is available only when OUT 2 is configured as alarm 2 output O2 Fn configuration parameter ALr 2 Range H A High alarm outside band with automatic reset LA Low alarm inside band with autom
31. nly DIRECT ACCESS TO THE SET POINT When the device is in run time mode it is possible to quickly modify the selected operative set point value Pushing the A or VW key for more than 2 seconds the selected set point value will be displayed the decimal point on the right of the least significant digit is lit and it will start to change The new set point value will be operative since no key is depressed for more than 2 s the previous indication will be displayed The direct access of the set point is disabled if all the run time parameter groups are protected 40 48 ire cG Crouzet LAMP TEST When it is desired to verify the display efficiency push the FUNC key for more than 4 seconds The instrument will turn ON with a 50 duty cycle all the LEDs of the display we define this function LAMP TEST During the LAMP TEST the instrument continues to control the process No time out is applied to the LAMP TEST Push any key when it is desired to come back to the previous indication LOOP BREAK ALARM LBA function The functioning principle of this alarm is based on the concept that with a steady load and steady power output the process rate of rise deviation time is steady as well Thus analyzing the process rate of rise of the limit conditions set by the following parameters A OLL and A OLH for heating or S OLL and S OLH for cooling or A OLL and S OLH for heating cooling it is possible to estim
32. oint selection Gr 1 PSt This parameter is available if AV SP 2 Range O SP SP is the operative set point O SP2 SP2 is the operative set point NOTE the modification of this parameter is always allowed even if Gr 1 is protected Main set point Gr 1 p x Range from rL set point low limit to rH set point high limit p k Auxiliary set point Gr 1 This parameter is available if AV SP 2 N Range from rL set point low limit to rH set point high limit JFL Range OFF No loading data ON loading data Group 1 default data loading a 21 48 G Crouzet 6 Run time group 2 CONTROL FUNCTIONS ENABLE DISABLE Gr e i SMART function Gr 2 Sart This parameter is available if at least one control output is configured the SMART function is enabled Sn Fn Enb the control output is enabled Cntr ON and the control action is enabled Pb parameter is different from 0 Range OFF SMART algorithm is deactivated ON SMARTI algorithm is activated r Control output enable disable Gr 2 unter This parameter is available if at least one control output is configured Range OFF The control output is disabled ON The control output is enabled Run time group 3 ALARM THRESHOLD AND HYSTERESIS VALUE Gr J Manual reset of the alarms Gr 3 Range ON OFF Change to ON and then depress FUNC key to reset acknowledge the alarm
33. ondition the control outputs operate as follows a When the SF Cn parameter is set to Std a 1 An OVERRANGE is detected and the instrument is set for one control output only the output will be forced to O if reverse action is programmed or to 100 if direct action is programmed the instrument is set for two control outputs the Main output is forced to 0 and the Secondary output is forced to 100 a 2 An UNDERRANGE is detected and the instrument is set for one output only the output is forced to 100 if reverse action is programmed or to 0 if direct action is programmed the instrument is set for two control outputs the Main output is forced to 100 and the Secondary output is forced to O b With the SF Cn parameter set to Ov Un when an over range or an under range condition is detected the power output is forced to the safety value SF UL 43 48 rouzet 4 NG c When the SF Cn parameter is set to OvEr c 1 if an over range condition is detected the power output is forced to the safety value SF UL c 2 if an under range condition is detected the instrument will operate as described at point a 2 d When the SF Cn parameter is set to Undr d 1 if anunder range condition is detected the power output is forced to the safety value RSF ULR d 2 if an over range condition is detected the instrument will operate as
34. onfigured SA Fn configuration parameter is equal to Enb Range From 2 0 to Pb Hi NOTE The Pb Lo resolution will be equal to 0 1 up to 10 0 and 1 up to 100 0 Maximum value of proportional band calculated by SMART algorithm Gr Hd configuration parameter is equal to Enb Range from Pb Lo to 100 0 NOTE The Pb Hi resolution will be equal to 0 1 up to 10 0 and 1 up to 100 0 38 48 LAC cG Crouzet Minimum value of integral time calculated by SMART algorithm Gr Hd This parameter is available only when SMART function is configured SA Fn configuration parameter is equal to Enb Range from 00 01 mm ss to ti Hi Maximum value of Integral time calculated by SMART algorithm Gr Hd configuration parameter is equal to Enb Range from ti Lo to 20 00 mm ss Relative gain of the secondary output calculated by SMART algorithm Gr Hd configuration parameter is equal to Enb and the secondary control output is configured Range OFF Smart algorithm does not calculate r Gn value On Smart algorithm calculates r Gn value Hidden group default data loading Gr Hd Range OFF No loading data ON loading data 39 48 NG rouzet OUTPUT POWER OFF FUNCTION This function allows to disable the control output when the instrument is in normal display mode or when an alternative display function is shown
35. output is configured Range for TC RTD ranges within the input range for linear input within A In L Read out initial scale value and In H Read out full scale value NOTE At start up if the measured value is lower than the threshold value the device maintains the output power limiting Gr 5 A OLL A OLH S OLL and S OLH for a programmed time Gr 5 tOL This function is called soft start This threshold value has no effect if tOl InF L A J Loop break alarm LBA output assignment This parameter is available only when at least one control output is configured Range nonE Function disabled diSP The LBA is signaled on display only Out1 The output 1 is used as output for LBA Out2 The output 2 is used as output for LBA NOTE If Out1 or Out 2 is selected and the related output is configured as control output this parameter will be forced to diSP Range from 0 to 500 digits 14 48 rouzet NG bE n LOOP break alarm timer m This parameter is available when L b AL is different from nonE Range from 00 01 to 40 00 mm ss minutes seconds z Loop break alarm hysteresis This parameter is available when L b AL is different from nonE p Range 1 to 50 ofthe power output Set point indication 8 Range Fn SP during run time mode when the instrument performs a ramp it will show the final set point value
36. ow to jump to the min programmable value 1 All the actions above explained which require the pressure of two or more keys must follow exactly the keys sequence shown 2 A 10 or 30 seconds time out see nt10uH can be selected for parameter modification during run time mode lf during parameter modification no key is depressed for more than 10 30 seconds the instrument goes automatically to the normal display mode and the eventual modification of the last parameter will be lost 6 48 O Crouzet HARDWARE SETTING Hardware protection for configuration parameters modification A hardware protection for configuration parameters modify mode is also available it is located on the solder side of the instrument circuit The instrument is shipped from factory without AFig 8a any parameter protection In order to enable this protection proceed as follows 1 Switch off the instrument 2 Remove the instrument from its case by E pushing the locks see Fig 8a A and then slip out the instrument until the first stop few mm see Fig 8a 8 3 Unplug the terminal block cover see Fig 8b C 4 Slip out the instrument completely see Fig 8b 0 5 Solder the Sh2 pads See Fig 9 6 Re insert until the first stop the instrument into the case 7 Plug in the terminal block TE Py 8 Push the instrument completely into the case 9 Switch on the instrument CONFIGURATION MODE The inst
37. pan p Main control output max rate of rise Gr 5 m This parameter is available when one output is configured as main control output J Ranges from 1 s to 25 s Above this value the display shows Inr meaning that no limit is imposed NOTE the ramp function will be active even if device is configured for On OFF r Y Main output cycle time Gr 5 3 r 5 r This parameter is available when one output is configured as main control output Range from 1 to 200 s 28 48 LA cr cG Crouzet Secondary control output low limit Gr 5 This parameter is available when one output is configured as secondary control output Range from 0 of the output span to S OLH Secondary control output high limit Gr 5 This parameter is available when one output is configured as secondary control output Range from S OLL to 100 of the output span Secondary control output max rate of rise Gr 5 This parameter is available when one output is configured as secondary control output Ranges from 1 s to 25 s Above this value the display shows Inf meaning that no limit is imposed NOTE the ramp function will be active even if device is configured for On OFF control Secondary output cycle time Gr 5 This saraniclari is available when one output is configured as secondary control output Range from 1 to 200 s l Set point low limit Gr 5 FL Range from
38. raically added to the input process value Read out Real curve y y Filter on the measured value I Inf L Ranges NonE no digital filter 1 filter with 1 second time constant 2 filter with 2 seconds time constant 4 filter with 4 seconds time constant 8 filter with 8 seconds time constant 12 filter with 12 seconds time constant 16 filter with 16 seconds time constant 20 filter with 20 seconds time constant NOTES 1 This is a first order digital filter applied to the measured value 2 This filter has effect on all instrument functions display alarms self tuning control 0 Fr OUT 1 function Range nonE Output not used FiAin Time proportional main control output SECn Time proportional secondary control output ALr 1 Alarm 1 output 12 48 lA cr cG Crouzet Der OUT 2 function Range nonE Output not used FiAin Time proportional main control output SECn Time proportional secondary control output ALr 2 Alarm 2 output SAF nr Smart function This parameter is available only when at least one control output is configured Range diS Smart function disabled Enb Smart function may be enabled Control action type This parameter i is available only when at least one control output is configured Range Pid The process is controlled by PID action Pi The process is controlled by PI action Note if the control action type was changed and the configuration proc
39. rument will start in the same way it was prior to the power down configuration mode or run time mode a If the instrument starts in run time mode depressing the Y FUNC for more than 4 seconds the instrument will show COnF CUNT By pushing the FUNC key it is possible to select between monitor mode it is possible to verify all the configuration parameters without stopping the control modify mode it is possible to verify and to modify all the configuration parameters the control will be stopped NOTE If no push button is depressed for more than 10 s or 30 s according to t1ou time out selection parameter setting the instrument returns automatically to the normal display mode b If the instrument starts in configuration modify mode the display will show dFLn It is the first configuration parameter displayed in modify mode MONITOR MODE When it is desired to monitor the instrument configuration proceed as follows 1 By the A or V key select the monitor mode the display will show 2 Push the FUNC key the display will show n Int itis the first parameter of the configuration group displayed in monitor mode 3 Press the FUNC key to scroll through parameters 4 Press the A or V key to display the value or status of the selected parameter 5 It is possible to return in normal display mode manually by pushing the Y FUNC keys when the display shows ConF automatically at the end of th
40. t and power supply must be assured by the external solid state relay 4148 PI PN cG Crouzet C POWER LINE WIRING 100V to 240V AC 50 60Hz 15 to 10 of the nominal value 24 V AC DC 10 of the nominal value NOTES Fig 7 POWER LINE WIRING 1 Before connecting the instrument to the power line make sure that line voltage corresponds to the description on the identification label To avoid electrical shock connect power line at the end of the wiring procedure For supply connections use No 16 AWG or 14 AWG rated for at last 75 Use copper conductors only Don t run input wires together with power cables For 24 V DC the polarity is a do not care condition The power supply input is NOT fuse protected Please provide it externally Power supply Type Current Voltage 24 V AC DC T 500 mA 250 V 100 240 V AC T 125 mA 250 V When fuse is damaged it is advisable to verify the power supply circuit so that it is necessary to send back the instrument to your supplier 8 The safety requirements for Permanently Connected Equipment say a switch or circuit breaker shall be included in the building installation It shall be in close proximity to the equipment and within easy reach of the operator it shall be marked as the disconnecting device for the equipment NOTE a single switch or circuit breaker can drive more than one instrument 9 When a neutral line is present connect it to terminal 1 INSTRUMENT CONFIGURATION
41. tputs l Relative secondary output gain Gr 4 rin This parameter is available when two control outputs are configured Range from 0 20 to 1 00 Overlap dead band between main and secondary outputs Gr 4 This parameter is available when two control outputs are configured Range from 20 to 50 NOTE A negative value means a dead band while a positive value means an overlap 26 48 i rouzet 4 NG Antireset windup Gr 4 This parameter is available when at least one control output is configured and Pb is different from 0 Range from 10 to 200 of the input span Control action Gr 4 Range rEv reverse action dir direct action REVERSE ACTION DIRECT ACTION Input Input t t Output Output t t NOTE when device is configured with two control outputs or the first part of the SMART algorithm TUNE is in progress the control action can be monitored only Group 4 default data loading Range OFF No loading data ON loading data 21148 i Si ouzet 4 NG Run time group 5 AUXILIARY CONTROL PARAMETERS Al J L Main control output low limit Gr 5 This parameter is available when one output is configured as main control output Range from 0 of the output span to A OLH nDL LI Main control output high limit Gr 5 This parameter is available when one output is configured as main control output Range from OLL to 100 of the output s
42. trument resets if in run mode or end the modify configuration parameters mode following the normal procedure Repeat the above described procedure if another error is shown The instrument is also capable of detecting the following errors E 100 Error during data saving in EAROM E 120 Error on control parameters calculated by SMART when the control action was changed from PI to PID or viceversa E 130 Error during SMART the algorithm Is notable to calculate correctly the control parameters The instrument will be forced to work as PI controller E 140 Error when control parameters calculated by SMART are out of range of the values set in the Hidden group Note push any key to delete E 130 or E 140 indication E 500 Error during auto zero measurement E 502 Error during reference junction measurement Note this error may be generated by an ambient temperature higher than 70 C 158 F or lower than 20 C 4 F E 510 Error during calibration procedure When one of these errors Is detected contact your supplier 45 48 rouzet 4 NG GENERAL INFORMATION GENERAL SPECIFICATIONS Case Polycarbonate brown transparent color Self extinguishing degree according to UL 746C Front protection designed and tested for IP 65 and NEMA 4X for indoor locations when panel gasket is installed Test were performed in accordance with CEI 70 1 and NEMA 250 1991 STD Weight 90 g Power consumption 2 5 Watts m
43. ue or status 5 Pushing the FUNC key the instrument memorizes the new value or the new status and goes to the next parameter 6 It is possible to exit from the run time parameter monitor modify N automatically after the time out see note 3 manually by pushing the W FUNC keys when Gr dF or Gr Hd if selected is displayed or by pushing the A REV keys when Gr 1 is displayed NOTES 1 If no parameter of a group is available this group will not be displayed 2 Some of the following parameter may be skipped according to the instrument configuration 3 The parameter monitoring and modification are subjected to a time out see t1 0u configuration parameter after that the display returns in Normal display mode and the eventual modification of the last displayed parameter will be lost Run time group SC RUN TIME SECURITY CODE This group is available when a security code is assigned to run time parameters and it will be displayed before the first run time parameter Run time security code GR SC Range from 2 to 9999 Enter the assigned code and then push the FUNC key 20 48 Crouzet 4 NG 1 If a wrong code is entered it is only possible to verify the parameters value or status 2 When the instrument returns in normal display mode or in alternative display the protection is automatically restored Run time group 1 SET POINT VALUES un i J ed a ea Set p
44. up is not protected by security code the display will show dFLn When it is desired to return to normal display mode push the FUNC key more times until the configuration parameter end is reached the display will show Cnfd by A and V keys select the YES indication then push the FUNC key again NOTE During the modify mode the instrument stops the control and sets to OFF the control outputs sets alarms in no alarm condition the time out will be removed 9 48 D f Si ouzet CONFIGURATION PARAMETERS Some of the following parameter may be skipped according to the instrument configuration yer _ Default configuration parameter loading OFL B J Range OFF No loading data dF t1 Loading European Table Tb 1 default parameters dF t2 loading Am9r ican Table Tb 2 default parameters NOTES 1 the list of both default parameter tables is reported at Appendix A 2 see also the note of the Cn tP configuration parameter at page 11 Input type and standard range A Ink Ranges 1 TC type L range 100 900 C 2 TC type J range 100 1000 C 3 TC type K range 100 1370 C 4 TC type T range 200 400 C 5 TC type N range 100 1400 C 6 TC type S range 50 1760 C 7 TC type R range 50 1 760 C 8 RTD Pt100 range 200 850 C 9 TC type L range 150 1650 F 10 TC type J range 150 1830 F 11 TC type K range 150 2500 F 12 TC type T
45. ys protected it is not possible to modify any configuration parameter from 2 to 9999 security code for configuration parameter protection 16 48 ie cG Crouzet General notes about security codes 1 If a value from 2 to 9999 has been assigned as security code it cannot be displayed anymore when returning on this parameter the display will show Opn 2 If the security code is forgotten a new value can be set 3 For configuration parameter only is available a master key by this code it is possible to enter in modify configuration mode even if the configuration parameters are protected S CnF 1 or from 2 to 9999 The master key is located on Appendix A 4 Fill out and cut the part of the Appendix A reserved to the security codes if it is desired to keep them secret Range NO with this selection the instrument comes back to the first display of the configuration modify mode YES this selection ends the configuration modify mode the instrument preforms an automatic reset and restarts the run time mode Pushing Aor Y key to select the desired action and then push FUNC key General note about configuration group Exiting from the configuration group the instrument automatically verifies the congruence for parameters The congruence test is passed when 1 No output is configured as control output 2 Only one output is configured as Ain 3 Only one output is configured as Secn 4

Crouzet TEMPERATURE CONTROL USER MANUAL CTD 24

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