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USER`S MANUAL 1 • INSTALLATION !

1. ORDER CODE s IN 50Aac Hole for 2 9 x 9 OUT 50mAac self threading screws IN 25Aac COD 330201 OUT 50mAac i T COD 330200 TECHNICAL DATA Mod probe Ambient probe Cap material Plastic 7 x 25mm Temperature range 20 80 C PTC R 25 C 1K 1 KTY 81 110 Response time 20sec in still air s Isolation 100Mz 500Vd c between cap and terminals ORDER CODE Wire material Unipolar in PVC 12 0 18 PTC7x25 5m Wire length 5 50m e RS232 TTL interface for GEFRAN instrument configuration N B RS232 interface for PC configuration is supplied with the WINSTRUM programming software Make connection with instrument powered but with inputs and outputs disconnected e ORDER CODE COD 1108200 Cable Floppy 25 APPLICATIONS e Twin setpoint application ramp hold time expiration alarm Absolute alarm Referred to current setpoint Reverse alarm Direct alarm Time min or sec Delay for tripping Time set in parameter Hy n Setpoint lt AL ORDER CODE OUTPUT 1 AL POWER SUPPLY 20 27V 100 240V OUTPUT 2 MAIN Relay ___________________ DIGITAL COMMUNICATION OUTPUT 4 Logic 0 None Triac 1A 2 RS485 2 wires R Relay output INPUT OUTPUT 3 None Relay
2. Logic Continuous control output 10V Analog retransmission 20mA TA input 50mAac Digital input 24V Please contact GEFRAN sales people for the codes availability e WARNINGS WARNING this symbol indicates danger It is placed near the power supply circuit and near high voltage relay contacts Read the following warnings before installing connecting or using the device e follow instructions precisely when connecting the device e always use cables that are suitable for the voltage and current levels indicated in the technical specifications e the device has no ON OFF switch it switches on immediately when power is turned on For safety reasons devices permanently connected to the power supply require a two phase disconnecting switch with proper marking Such switch must be located near the device and must be easily reachable by the user A single switch can control several units e if the device is connected to electrically NON ISOLATED equipment e g thermocouples a grounding wire must be applied to assure that this connection is not made directly through the machine structure e if the device is used in applications where there is risk of injury to persons and or damage to machines or materials it MUST be used with auxiliary alarm units You should be able to check the correct operation of such units during normal operation of the device e before using the device the user must check that
3. HS 2 It is enabled by means of configuration code AL n in this case the alarm trip value is expressed in HB scale points By means of code Hb F Out phase select the type of functioning and the assigned control output The alarm limit setting is A Hb The direct HB alarm trips when the ammeter input value is below the limit set for Hb t seconds of the ON time for the selected output The HB alarm can be activated only with ON times greater than 0 4 seconds excludes continuous output The HB alarm also checks load current during the OFF interval of the cycle time for the selected output The HB alarm trips if the measured current exceeds approximately 12 5 of the full scale set for HB t seconds of OFF status of the output parameter HS 2 in InP The alarm is reset automatically if its cause is eliminated Setting limit A Hb 0 disables both types of HB alarms with de energizing of the assigned relay You can display the load current by selecting the item In 2 level 1 NOTE ON OFF times refer to the cycle time set for the selected output Continuous alarm Hb_F 3 7 is active for a load current value below the set limit It is disabled if the heating cooling output value is below 3 e HOLD function The input value and alarms are frozen while the logic input is closed With logic input closed a reset turns OFF both the relay outputs and the alarms latch 14 e SENSOR FAULT AND LOOP BREAK LBA ALARM LBA lo
4. HEAT continuous out 2 10V_ COOL continuous out 2 10V only for rL 3 1 200 sec 1 200 sec 1 200 sec 0 1 sec fixed with continuous out Ct 3 does not appear in configuration 200 sec Cycle time for OUT1 Heat or Cool Cycle time for OUT2 Heat or Cool Cycle time for OUT3 Heat or Cool Cycle time for OUT4 Heat or Cool p Fault action sets state in case of probe fault Err Sbr NIDATA VN o Out W Assignment of signal or reference value lt 2 Reference value PV process variable SSP active setpoint SP local setpoint Deviation SSP PV HEAT COOL AL1 alarm point AL2 alarm point AL3 alarm point Value acquired from serial line N D O wN o 16 for code 0 if input is in error status Err Sbr output assumes minimum trimming value Fixed scale limits Retransmission output not available with ON OFF control action Minimum limit o analogue repetition signal output 0 1999 9999 Maximum limit o analogue repetition signal output 1999 9999 Protection code Display Modification SP In2 alarms OuP INF SP alarms S
5. of the input range Hy 3 sets the hysteresis for output 3 and is a of the input range Hb t sets the the waiting period for the heater break alarm only applies to 600 R H Lb t sets the the waiting period for the loop break alarm Lb t 0 to disable Lb P sets the default output power under loop break conditions See note 14815 FA P sets the default output power under sensor fault conditions See note 14 G SP sets the ramping gradient See note 21 Press and hold the F key down until you get to the level 1 menu then release the F key 8 DECIMAL POINT When changing the decimal point the parameters Lo S Hi S oFS Lo L and Hi L are affected and also the control and alarm setpoints Make sure to check and adjust all these parameters after changing the decimal point For example changing the decimal point from 0 to 1 will change Hi S from 1000 to 100 0 As a result the unit will register a sensor fault if the temperature exceeds 100 C Set the HI S parameter to 999 9 to rectify this 9 INPUTS SCALE TYPE The input scale is defined by the parameters Lo S and Hi s in the CFG menu If the temperature falls outside the scale defined by Lo S and Hi s the controller will indicate a sensor fault Changing the input scale also affects the proportional band in PID control because h Pb and c Pb are a of the input range oes rlaler lgemey lalye g The Gefran 600 controller allows changing of the sensor
6. D During PID control power is increased or reduce by pulsing the output at varying duty cycle The cycle time sets the frequency of switching of the output Example if Ct 2 20 and the controller calls for 30 output power the output will pulse at a duty cycle of 30 thus the ON time will be 6 seconds the OFF time will be 14 seconds yielding a total cycle time of 20 seconds Contactors and relays are subject to wear and tear Arcing across contacts during switching causes heat build up A shorter cycle time will therefor adversely affect the life span of the contactor relay A long cycle time can cause poor control performance cyclic fluctuation of the process variable particularly on processes with low inertia e g air heating hotrunner nozzles Typical values Ct 2 1 If the control output switches a solidstate relay controller type 600 R D 0 0 1 Ct 2 20 if the control output switches a contactor or relay controller type 600 R R 0 0 1 Ct 2 0 1 for fast hotrunner applications only on controller type 600 R D 1 R62 21 gt SAFOTSTART AND GRADIENT RAMPING FUNCTION Softstart This feature is obtained by setting S tu 4 or 6 and by setting a softstart time in the SoF parameter CFG menu The purpose of softstart is to allow moisture to escape from the elements before full heating power is applied This also reduces stress due to thermal expansion in the startup phase Softstart causes the output power to in
7. PAS Release the F key and enter the password 99 Now press and hold the function key down until the desired menu is displayed Release the function key then press the function key briefly to get to the first parameter in the menu 3 Setting up the controller When setting up a controller it is advisable to work through the menus in the following sequence PAS password 99 Pro enable access to menus PAS password 99 Hrd InP Out and then CFG The reason is that by selecting options in a menu some parameters in another menu become superfluous and are thus skipped making setting up easier e g in ON OFF control the h It and h dt parameters are skipped 3 1 Pro protection barring access to settings The protection menu allows tamper proofing by restricting access to the various menus and settings After configuring and tuning the controller we recommend setting Pro 12 thus protecting the setup only allowing access to the control setpoint and the alarm setpoints Pro 0 factory default allows access to the Easy Programming menu which contains only the most commonly used set up parameters Pro 128 enables full access to all parameters Pro 12 allows access to the control setpoint and alarm setpoint blocking access to all other menus Pro 13 will prevent changing of alarm setpoints Pro 14 will also prevent changes to the control setpoint Easy configuration only applies to 600 R R D 0 0 1 units The EASY
8. 2 is mapped to main control heating 1 6 Analog output Type 600 R C and 600 R W have a small PC board attached to the CPU board There is a jumper setting on this board with the jumper in place factory default the output is set to 0 2 10V When the jumper is removed the output is 0 4 to 20mA On the 600 R C the analog output can only be used for control purposes The 600 R W can be configured for analog control or for analog retransmission Change from 0 20 0 10V to 4 20mA 2 10V This is a software setting In the Out menu set rL 3 64 heat or 65 cool for control purposes For retransmission go into the U CAL menu function 1 Connect a mA V meter to the analog output and adjust the value 4mA or 2V with the UP and DOWN arrow keys The factory default setting is 0 20 mA e Device structure SERIAL INTERFACE OUT4 CPU POWER DISPLAY LEVEL 1 MENU PV S V Process variable PV display Work Setpoint SV display or control output value with controller in manual Local Setpoint Setpoint 1 Setpoint 2 Ammeter input value with CT input present Alarm point 1 scale points Alarm point 2 scale points Alarm point 3 scale points Heater break alarm point scale points of ammeter input Control output value Heat Cool The automatic return PV SV display i
9. 6 64 70 reducing the digital input filter action by reducing FLT e g FLt 0 1 in the InP menu selecting the shortest possible cycle time for the control output e g Ct 2 1 in the Out menu using analog output 20mA 10V in conjunction with Thyristor drives 18 13 ALARMS Normal absolute alarm Symmetrical absolute alarm AL2 Hyst2 AL1 Hystt AL1 Hystt T i AL1 Hyst1 alarm 1 reverse alarm alarm 2 l direct alarm For AL1 reverse absolute alarm low with positive Hyst1 AL1 t 1 For AL1 symmetrical Lo absolute alarm with Hyst1 AL1 OFF if disabled on power up For AL1 symmetrical Hi absolute alarm with Hyst1 AL1 For AL2 direct absolute alarm high with negative Hyst2 AL2 t 0 t t A Deviation alarm Symmetrical deviation Alarm SP AL1 j SP AL1 ae ae Hysti gt time reverse alarm reverse alarm direct alarm gt gt direct alarm For AL1 Lo deviation alarm with negative Hyst 1 AL1 3 For AL1 Symmetrical Lo deviation alarm with Hyst 1 AL1 t For AL1 Hi deviation alarm with negative Hyst 1 AL1 2 t t For AL1 Symmetrical Hi deviation alarm with Hyst 1 AL1 t Enabling Alarms Before any alarms can be configured they need to be enabled see Al n in the Hrd menu If you do not require an
10. a relay to start the process when the temperature is at operating temperature This would normally necessitate 5 outputs heat cool high alarm low alarm symmetrical alarm On the Gefran 600 this can be achieved with 4 outputs using the 600 R D R R 1 Alarm Reference Signals The alarm reference signals usually the process variable are set by the Al r A3 parameters in the Out menu There are two variables that can cause alarms to trigger Firstly you can cause an alarm in response to a change in the process variable PV e g high temperature condition low temperature condition etc You can also cause an alarm if the control setpoint is set to excessive levels The reference setpoint for an alarm can either be absolute or relative to the main setpoint see next section Al r 0 normal setting means the alarm will react if the main input signal is higher lower than the AL 1 setpoint Al r 1 means the alarm will react if the main active setpoint is set higher lower than the AL 1 setpoint only applies to absolute alarm This feature is useful to draw attention if the main setpoint is set to excessive levels by machine operators Al r 2 is identical to Al r 0 except that it only applies to relative alarms referred to the active setpoint in multiset function special case where a second control setpoint is introduced via serial communication The above also applies to A2 r and A3 r The alarm types are set by the A1 t A3
11. can also retransmit deviation from setpoint An o 4 This is useful to influence other variables in the process e g to reduce conveyor speed when the oven temperature drops below the set value Use the retransmission output to feed into the variable speed drive or PLC Setpoints can also be retransmitted for example where one controller provides the master setpoint for various slave units L An sets the minimum limit Zero of the retransmission signal H An sets the maximum limit span of the retransmission signal This applies only to units with analog retransmission 600 R W e Configuration Parameters press and hold the F key down until you get to the CFG menu then release the F key Press the F key briefly to move from one parameter within the menu to the next S tu This enables self tuning auto tuning and softstart See note 18 h Pb Sets the proportional band for the main control output The value is a of the input range Hi S Lo S in the InP menu e g for Type J sensors h Pb 4 equals 40 C 4 of 1000 C h It Sets the integral time for the main control output The time is set in minutes h dt Sets the derivative time for the main control output The time is set in minutes this parameter should not exceed of the h It parameter See note 18 hP H limits the maximum heating power Normally this parameter remains set to 100 The parameter can be reduced if elements are rated too
12. configuration is an abbreviated version containing only the most commonly used parameters It is enabled by setting the protection level Pro 0 factory default setting ee NSD Ald PROGRAMMING and CONFIGURATION THE EASY CONFIGURATION IS SUITABLE FOR VERSIONS WITH TWO OUTPUTS OQUT1 OUT2 TO ACCESS THE OTHER Custom menu PARAMETERS ADD 128 TO THE Pro VALUE Input settings LEVEL 1 MENU Output settings P V S V Process variable PV display l Work Setpoint SV display or control output value with controller in manual Password Alarm point 1 scale points Protection code Probe type signal enable custom linearization and main input Maximum limit of main min max input range scale See type table page 6 l input scale selected in tyP x Format l Lower limit for local Decimal point position for XXXX i i setpoint and absolute Lo S Hi S main input scale XXX X i alarms XX XX X XXX Upper limit for local setpoint and absolute alarms Minimum limit of main input scale 3 2 1 Input parameters InP press and hold the F key down until you get to the InP menu then release the F key Press the F key briefly The top display will show tyP Use the up down arrow keys to select the sensor input type 0 J
13. high for the application This reduces overshoot and also stress due to thermal expansion in the heat up phase hP L limits the minimum heating power Normally this parameter remains set to 0 C ME only applies to PID heat PID cool control Ctr 14 in Hrd menu By selecting the relevant cooling medium the PID parameters for cooling are automatically set c SP sets the deadband between heating and cooling only applies to heat cool control functions Because the controller prevents overlap between heating and cooling outputs the deadband can be set very narrow c SP 2 5 c Pb Sets the proportional band for the cooling control output The value is a of the input range Hi S Lo S in the InP menu c It Sets the integral time for the cooling control output The time is set in minutes c dt Sets the derivative time for the main control output The time is set in minutes this parameter should not exceed 1 of the c It parameter See note 18 cP H limits the maximum cooling power Normally this parameter remains set to 100 cP L limits the minimum cooling power Normally this parameter remains set to 0 rSt Manual reset shifts the proportional band manually by a fixed amount scale points 999 to 999 in order to remove a steady error This function only applies to PID control Normally rSt 0 See note 18 P rS Power reset shifts the proportional band up and down about the set point by a percentage of the prop
14. with Manual Reset It shifts the proportional band up and down about the set point by a percentage of the proportional band 0 100 At 0 the proportional band is entirely below the set point At 50 the proportional band is centred about the set point At 100 the proportional band is entirely above the set point This function has no effect on on off control A rS Anti reset reduces the window scale points 0 9999 within the proportional band where the integral action is calculated Normally integral action is active as soon as the process variable enters the proportional band Outside of this window the integral time is frozen ie Antireset will inhibit the integral action WITHIN the proportional band Ultimately this will decrease overshoot FFd This function adds a calculated proportion of the set point to the output power and thus effectively shifts the proportional band 0 100 Like Manual Reset it can be used instead of the integral parameter but this function is more suited to processes that require large variations of the set point due to its mechanism of calculating the shift according to the set point and not the proportional band itself The formula for this calculation is as follows OUT contribution of the feedforward power feedforward coefficient x Set point LoS HiS LoS This OUT is then added to the output power 22 20 CYCLE TIME This only applies to logic or relay outputs output option R or
15. 0 850 0 for Pt100 sensors On analog input types e g 0 10V 4 20mA this defines the maximum value of the input scale See note 9 OFS Allows offset correction of the main input It is normally set to 0 FT 2 Sets the filtering of the auxiliary Input signal applies only to 600 R H LS 2 this is the minimum auxiliary input scale applies only to 600 R H HS 2 this is the maximum auxiliary input scale applies only to 600 R H oF 2 Allows offset correction of the auxiliary input It is normally set to 0 Lo L this is the lower limit for the control and alarm setpoints It prevents operators from setting the setpoints below this limit Hi L this is the upper limit for the control and alarm setpoints It prevents operators from setting the setpoints above this limit NB See note 9 3 3 3 Output parameters OuT Press and hold the F key down until you get to the OuT menu then release the F key Press the F key briefly to move from one parameter within the menu to the next Al r this sets the variable and the reference setpoint for Alarm 1 A2 r same function as Al r above but applies to Alarm 2 A3 r same function as Al r above but applies to Alarm 3 See note 13 Al t Selects the alarm function for alarm 1 A2 t Selects the alarm function for alarm 2 A3 t Selects the alarm function for alarm 3 See note 17 Hb F defines the Heater Break function See note 15 rL 1 sets the function of
16. 2 K 30 Pt100 see table Press the F key briefly The display will show dP S enter the number of decimal points required 0 no decimal point 1 one decimal point For J K and Pt100 sensors not more than one decimal point are possible NB See note 4 1 Press the F key briefly The top display will show Lo S this is the minimum sensor input scale Leave the setting at 0 0 0 for J or K sensors and set to 200 199 9 for Pt100 sensors See note 4 2 Press the F key briefly The display will show Hi S this is the maximum sensor input scale Set to 1000 999 9 for J sensor set to 1300 999 9 for K sensor and set to 850 850 0 for Pt100 sensors NB See note 4 1 and 4 2 Press the F key briefly The display will show Lo L this is the lower limit for the control and alarm setpoints It prevents operators from setting the setpoints below this limit Normal setting Lo L 0 Press the F key briefly The display will show Hi L this is the upper limit for the control and alarm setpoints It prevents operators from setting the setpoints above this limit Normal setting Hi L Hi S see above AL 1 t AL 2 t AL 3 t ALx Direct high limit Absolute Normal 3 2 2 Output parameters OuT Inverse low limit or relative Symmetrical Press and hold the F key down until you get to the OuP menu to active setpoint window then release the F key direct absolute notin Press the F key briefly The top display will
17. 600 CONTROLLER mm GEFRAN USER S MANUAL SOFTWARE VERSION 2 09 Edition 01 04 2008 GEFRAN spa via Sebina 74 25050 Provaglio d Iseo BS ITALIA Tel 0309888 1 Fax 0309839063 CE 1 gt INSTALLATION Internet http www gefran com 2 gt TECHNICAL SPECIFICATIONS Display 2x 4 digits green height 10 and 7mm n Keys 4 mechanical keys Man Aut INC DEC F z Dimensions and cut out panel mounting Accuracy 0 2 full scale 1 digit at 25 C room temperature TC RTD PTC NTC Main input settable digital filter 60mV 1V Ri 1Mz 5V 10V Riz 10KZ 20mA Ri 50 Sampling time 120 msec J K R S T B E N IEC 584 1 CEI EN 60584 1 s oo Thermocouples 60584 2 L GOST UG D C 1 custom linearization is available pey k 70 J Cold junction error 0 1 C RTD type scale configurable within indicated j j range with or without decimal point ITS90 DIN 43760 Pt100 JPT100 48 4 py Max line resistance for RTD 20 PTC type NTC Type 990 25 C 1K 25 ion of short circuit or ning of pr LBA 70 Safety aii stor circuit or opening of probes C F selection configurabile da tastieraconfigurable from faceplate 45 Linear scale ranges 1999 to 9999 with conf
18. A alarm butt No function key disenabled MAN AUTO controller LOC REM HOLD Alarms memory reset SP1 SP2 Selection Start Stop selftuning Start Stop autotuning Set Reset outputs Out 1 Out 4 Function of M A keys SINITA WIN o 16 disable function in configuration menu dig No function key disenabled MAN AUTO controller Function LOC REM of digital input HOLD Alarms memory reset SP1 SP2 Selection Software on off 16 for input in denied logic NPN 32 to force logic state 0 OFF 48 to force logic state 1 ON Lower display SV function 7 SSP setpoint enabled Defining SV InP 2 aux input display function Control output value Deviation SSP PV ion of LEDs Function none MAN AUTO controller LOC REM HOLD self tuning enabled autotuning enabled IN1 repetition enable serial dialogue Error present Softstart running SP1 SP2 Indication ONIDAN eA Go Po O M Oo 16 LED flashes if active Custom linearization for main input Step 0 beginning of scale value Display limits 1999 9999 the n step value corresponds to input mV beginning scale n mV 3mV mV full scale mV
19. C for other range error lt 0 5 f s error lt 0 2 f s t gt 150 C range 44 1800 C error lt 0 5 f s t gt 300 C range 44 0 999 9 error lt 1 f s t gt 300 C Max non linearity error for range 99 9 99 9 and 99 99 C error lt 0 5 f s for other thermocouples TC range error lt 0 2 f s t gt 150 C resistors PT 100 and error lt 0 2 f s t gt 300 C thermistors PTC NTC error lt 0 2 f s t gt 200 C Type of remote setpoint Absolute Relative The error is calculated as range 0 2800 error lt 0 2 f s for other range Digital Absolute deviation from theoretical error lt 0 5 f s from serial line value and is expressed as i percentage of full scale in 5 fs Digital Reletive to C NTC error lt 0 5 f s from serial line local setpoint Def remote setpoint Te J K E N L error lt 0 2 f s JPT100 and PTC error lt 0 2 f s PT100 scale 200 850 C Precision better than 0 2 f s at 25 C In range 0 50 C Precision better than 0 2 f s in range 200 400 C Precision better than 0 4 f s in range 400 850 C where f s refers to range 200 850 C 2 set gradient in digit sec Probe type signal enable custom linearization and main input scale Probe type without decimal point with decimal point Sensore TC reas n TEJE 0 1000 0 0 999 9 Digital filter on i
20. C T connection cable 1 5 mm 3 5m by any use not conforming to these instructions TC input 0 8 mm compensated 5m Pt100 input 1 mm 3m 3 e DESCRIPTION OF FACEPLATE Function indicators Indicates modes of operation MAN AUTO OFF automatic control ON manual control SETPONT1 2 OFF IN1 OFF local Setpoint 1 ON IN1 ON local Setpoint 2 SELFTUNING ON enabled Self OFF disabled Self Automatic Manual adjustment selection Active only when PV display visualises the process variable Indication of output states OUT 1 AL1 OUT 2 Main OUT 3 HB OUT 4 HB PV Display Indication of process variable Error Indication LO HI Sbr Err LO the value of process variable is lt di LO_S HI the value of process variable is gt di HI_S Sbr faulty sensor or input values higher than max limits Err PT100 third wire opened for PT100 PTC or input values lower than min limits i e TC wrong connection SV display Indication of setpoint Function key Inc and Dec key Press to increment decrement any numerical parameter Increment decrement speed is proportional to time key stays pressed The operation is not cyclic once the maximum Gives access to the various configuration phases Confirms change of set parameters and browses next or previous parameter if Auto Man key is pressed minimum value of a field is reache
21. GO autotune In this mode the controller automatically triggers an autotune cycle when the process deviates from the setpoint There are four sensitivity levels deviation thresholds that can be selected by choosing the appropriate S tu parameter At power up or after a change of setpoint autotuning is inhibited for a time equal to five times the integral time with a minimum of 5 minutes 3 1 Deviation threshold 0 5 Set S tu 24 26 or 28 in the CFG Menu 3 2 Deviation threshold 1 Set S tu 40 42 or 44 in the CFG Menu 3 3 Deviation threshold 2 Set S tu 72 74 or 76 in the CFG Menu 3 4 Deviation threshold 4 Set S tu 136 138 or 140 in the CFG Menu 19 OTHER CONTROL PARAMETERS RESET FEED FOWARD SAMPLING TIME The reset facilities listed below effectively shift the proportional band in order to eliminate the error offset caused by proportional control This method has its origin in the pre microprocessor time when offset was removed by adjusting potentiometers We recommend that you disable the parameters below buy setting them to 0 rSt This function shifts the proportional band manually by a fixed amount scale points 999 to 999 in order to remove a steady error It can be used instead of the automatic Integral parameter This function is only effective for a steady set point as it calculates the shift according to the proportional band and not the set point for which it aims P rS Reset power is interchangeable
22. P In2 alarms OuP INF SP SP In2 OuP INF 4 to disable InP Out 8 to disable CFG Ser 16 to disable SW power up power down 32 disable manual power latching 64 to disable manual power modification 128 enables full configuration Hardware configuration Enable multiset instrument control by serial Val Multiset Reversed Instrument 2 SP LED control by state serial NIDA A WN o Control type lt OJN ANA Co PO O Control type P heat P cool P heat cool PI heat PI cool PI heat cool PID heat PID cool PID heat cool ON OFF heat ON OFF cool ON OFF heat cool PID heat ON OFF cool ON OFF heat PID cool PID heat cool with relative gain see C MEd parameter Selection of derivative action sampling time 0 sample 1 sec 16 sample 4 sec 32 sample 8 sec 64 sample 240 msec Note LbA alarm is not enabled with ON OFF type control Alarm 1 Alarm 2 Alarm 3 disabled disabled disabled enabled disabled disabled disabled enabled disabled enabled enabled disabled disabled disabled enabled enabled disabled enabled disabled enabled enabled enabled enabled enabled Select number of enabled alarms 8 to enable HB alarm 16 to enable LB
23. ad current level lower than setpoint during the ON time of the control output Relay logic output alarm active on load current level higher than setpoint during the OFF time of the control output Alarm active if one of functions 0 and 1 is true OR logic between 0 and 1 For continuous heating output For continuous cooling output Val _ Function description function HB alarm 0 4 12 16 assigned to Out1 only for Hb_F 0 1 2 assigned to Out2 only for Hb_F 0 1 2 assigned to Out4 only for Hb_F 0 1 2 inverse HB alarm 5 minimum setting is fixed at 12 of amperometric full scale Out 1 Allocation of reference signa rL o 1 rL o 2 rL o 3 rL o 4 lt D Function of main output relay logic OUT1 HEAT control output for heating COOL control output for cooling Out 2 AL1 alarm 1 Allocation of AL2 alarm 2 reference signal AL3 alarm 3 AL HB alarm HB LBA alarm LBA IN1 repetition of logic input Repeat but key if but 8 AL1 or AL2 AL1 or AL2 or AL3 AL1 and AL2 AL1 and AL2 and AL3 AL1 or ALHB AL1 or AL2 or ALHB AL1 and ALHB AL1 and AL2 and ALHB OJ N D o1 amp o Po oO Out 3 Allocation of reference signal 32 for inverse logic signal output Out 4 Allocation of reference signal
24. affect control behavior Fld 0 5 factory setting dP S Enter the number of decimal points required 0 no decimal point 1 one decimal point For J K and Pt100 sensors not more than one decimal point are possible NB See note 8 Lo S this is the minimum sensor input scale Leave the setting at 0 0 0 for J or K sensors and set to 200 199 9 for Pt100 sensors On analog input types e g 0 10V 4 20mA this defines the minimum value of the input scale Hi S this is the maximum sensor input scale Set to 1000 999 9 for J sensor set to 1300 999 9 for K sensor and set to 850 850 0 for Pt100 sensors On analog input types e g 0 10V 4 20mA this defines the maximum value of the input scale See note 9 OFS Allows offset correction of the main input It is normally set to 0 FT 2 Sets the filtering of the auxiliary Input signal applies only to 600 R H LS 2 this is the minimum auxiliary input scale applies only to 600 R H HS 2 this is the maximum auxiliary input scale applies only to 600 R H oF 2 Allows offset correction of the auxiliary input It is normally set to 0 Lo L this is the lower limit for the control and alarm setpoints It prevents operators from setting the setpoints below this limit Hi L this is the upper limit for the control and alarm setpoints It prevents operators from setting the setpoints above this limit NB See note 9 e Output Parameters press and hold the F key d
25. alarm function set AL n 0 This will remove the prompt for an alarm setpoint in the leveli menu For combined heat cool control two outputs will be occupied Hence you need a controller with more than two outputs e g 600 R D R 0 1 if you want heat cool control with alarm If you use a controller with only two outputs for heat cool control e g 600 R R 0 0 1 no spare output for alarm is available hence the alarm should be disabled by setting Al n 0 It is possible to enable up to 3 alarms In addition the HB alarm heater break and the LBA sensor fault alarm can be activated Alarm outputs Each alarm can be assigned to any one of the available outputs see parameters rL 1 rL 4 in the Out menu It is possible to assign more than one alarm to the same output It is therefor possible to use one output relay to operate if either one AL1 or AL2 alarm condition occurs Alternatively the condition can be set that both alarms have to be flagged AL1 and AL2 before the output relay operates Alternatively the same alarm can be assigned to more than one output For example setting rL 1 2 and rL 3 11 will cause Relay Outi to operate if alarm 1 is on and relay Out3 to operate if both alarm1 and alarm2 are on This makes alarm functions very versatile and reduces the number of output relays necessary Example Extruder with heat cool control a contactor to shut down the machine if a high temperature condition or low temperature condition occurs and
26. all device parameters are correctly set in order to avoid injury to persons and or damage to property e the device must NOT be used in inflammable or explosive environments It may be connected to units operating in such environments only by means of suitable interfaces in conformity to local safety regulations e the device contains components that are sensitive to static electrical discharges Therefore take appropriate precautions when handling electronic circuit boards in order to prevent permanent damage to these components Installation installation category Il pollution level 2 double isolation power supply lines must be separated from device input and output lines always check that the supply voltage matches the voltage indicated on the device label e install the instrumentation separately from the relays and power switching devices e do not install high power remote switches contactors relays thyristor power units particularly if phase angle type motors etc in the same cabinet e avoid dust humidity corrosive gases and heat sources e do not close the ventilation holes working temperature must be in the range of 0 50 C If the device has faston terminals they must be protected and isolated if the device has screw terminals wires should be attached at least in pairs e Power supplied from a disconnecting switch with fuse for the device section path of wires from switch to devices should be as straight as possi
27. applies to models 600 R N dSP defines the value to be indicated in the lower display Usually dSP 0 i e the lower display indicates the control setpoint See note 17 Ld 1 This sets the function of LED 1 4 to indicate self tuning status 5 to indicate auto tuning status 9 to indicate softstart running 10 to indicate status of multisetpoint Add 16 to any one of these codes to make LED flash if the associated function is active Ld 2 This sets the function of LED 2 Ld 3 This sets the function of LED 3 See note 17 e Input Parameters press and hold the F key down until you get to the InP menu then release the F key Press the F key briefly to move from one parameter within the menu to the next Use the up down arrow keys to change the parameter value SP r only applies to models with serial communication defines if the remote setpoint is absolute or relative to the local setpoint tyP Selects the sensor input type O J 2 K 30 Pt100 see table For scaling of analog inputs e g 0 10V 4 20mA refer to note 9 FLt This sets the filtering of the input signal While the filter reduces the effect of interference on the sensor wiring it also delays the response time thus affecting the control performance On very fast processes hotrunner nozzles air heating set FLt 0 1 On slow processes set FLt 0 5 default FLd This filter stabilizes the display when the input variable fluctuates rapidly It does not
28. be configured by setting the dSP parameter in the Hrd menu Normally dSP 0 showing the control setpoint However the display can also be configured to display the value of the auxiliary input the output power or the deviation of the process variable from the setpoint Display of the output power dSP 2 is useful to determine the output power during normal running conditions thus obtaining the value to feed into the FA P parameter in the CFG menu This will then be the output power the controller defaults to when a LBA sensor fault alarm occurs L1 L2 L3 LED Displays The three LEDs on the left hand side of the faceplate can be configured to indicate various conditions The function of each LED is determined by the Ld 1 Ld 3 parameters in the Hrd menu The LEDs can also be configured to flash by adding 16 to the selected parameter Each LED can be assigned a different function It is also possible to assign the same function to all three LEDs e g setting Ld 1 Ld 2 Ld 3 24 will cause all three LEDs to flash when an error sensor fault occurs This is a very visible indication It is recommended to assign these LEDs when any of the following features are being enabled Softstart selftuning autotuning Manual Auto mode It makes diagnostics easy if one can see in which mode the controller presently is 18 PID PARAMETERS AUTOTUNE SELFTUNE PID parameters must be tuned to provide accurate control There is often a tradeoff bet
29. beginning scale 32 Step 32 full of scale value Display limits 1999 9999 mV beginning scale ee Bs Only for TYP Tc custom mV at 50 C Function Analogue output Input 1 custom 10V 20mA Input 1 custom 60mV Custom PT100 J PT100 Custom PTC Custom NTC Input 2 custom TA User calibration 1 U CA The analog output in 20mA is calibrated with accuracy higher than 0 2 f s calibrate when converting to 10V output In the absence of calibration accuracy is higher than 1 f s calibrate only if higher accuracy is required Baudrate 1200 2400 4800 9600 19200 Select Baudrate Serial setting Unit identification code Parity No parity Odd Even Parity selection Serial interface SER P Serial protocol protocol 0 CENCAL GEFRAN 1 MODBUS RTU Virtual instrument o tputs 0 31 Outputs OUTW OUT4 OUT3 OUT2 _ OUTI Bit 4 3 2 1 0 Virtual instrument inputs 0 31 Ex 1 0 0 1 1 set code 19 in S Ou to manage serial line OUT1 OUT2 and OUTW Inputs IN PV AL3 AL2_ ALI Bit 4 3 2 1 0 Ex 1 1 0 0 0 Set code 24 in S in to manage serial line AN and IN Virtual instrument user interfac
30. ble the same supply should not be used to power relays contactors solenoid valves etc if the voltage waveform is strongly distorted by thyristor switching units or by electric motors it is recommended that an isolation transformer be used only for the devices connecting the screen to ground it is important for the electrical system to have a good ground connection voltage between neutral and ground must not exceed 1V and resistance must be less than 6Ohn if the supply voltage is highly variable use a voltage stabilizer for the device use line filters in the vicinity of high frequency generators or arc welders power supply lines must be separated from device input and output lines always check that the supply voltage matches the voltage indicated on the device label e Input and output connections external connected circuits must have double insulation to connect analog inputs TC RTD you have to physically separate input wiring from power supply wiring from output wiring and from power connections use twisted and screened cables with screen connected to ground at only one point to connect adjustment and alarm outputs contactors solenoid valves motors fans etc install RC groups resistor and capacitor in series in parallel with inductive loads that work in AC Note all capacitors must conform to VDE standards class x2 and support at least 220 VAC Resistors must be at least 2W fit a 1N4007 diode in parallel with the coil of in
31. crease linearly when the controller is powered up If the input variable reaches setpoint before the softstart period has expired softstart is terminated and normal control takes over This feature prevents damage to elements due to moisture ingress Elements breathe and the insulating material is usually hydroscopic causing elements to fail if powered up fully after a prolonged OFF time Typical setting SoF 15 to 30 minutes Gradient Gradient is set by G SP in the CFG menu The setpoint will ramp up to the selected level in the set period Gradient is active at power and whenever the setpoint is changed It is also active when the unit is switched between setpoint 1 and setpoint 2 see hd 1 in the Hrd menu The purpose of the gradient is to provide smooth control without overshoot and to reduce stresses due to thermal expansion contraction Please note that the SV display bottom display will indicate the present ramping target and not the final setpoint while ramping The multiset function is enabled in hd 1 SP The gradient function is always enabled You can select between setpoint 1 and setpoint 2 with the faceplate key or with digital input You can display the setpoint 1 2 selection by means of LED SET GRADIENT if set to 0 the setpoint is assumed equal to PV at power on and auto man switchover With gradient set it reaches the local setpoint or the one selected Every variation in setpoint is subject to a gradient T
32. d the value will not change even if the key remains pressed 4 CONNECTIONS OUT 0 _ O DIGITAL AUXILIARY MAIN INPUT INPUT tad 50mA CT j OUT 1 a s PWR SUPPLY _ a LIN INP 1de 20mA Ty D _4 Pt100 PTC 3 wires Pt100 2 wires s LIN INP Transmitter x LIN INP LIN INP Vdc Transmit ar y 3 O SERIAL LINE a RS485 Ti Q mu SERIAL LINE RS485 4 wires F 12 Maximum driving torque for screws 0 5 Nm Maximum Section of flexible or rigid stripped wire 0 5 mm Maximum Section of flexible or rigid stripped wire 1 5 mm 1 Hardware 1 1 Factory settings The Gefran 600 R R D 0 0 1 is factory set for PID heating direct absolute alarm input type J and access to the EASY programming menu Protection level 0 The main control output is mapped to Out2 terminals 19 amp 20 This is noteworthy as one would intuitively consider OUT1 to be the main output This implies that one changes the cycle time of the main control output by adjusting Ct 2 in the Out menu The Alarm output is mapped to Out1 terminals 21 amp 22 1 2 Transmitter supply Pt100 Inside the controller are jumper settings to connect either the third wire input for Pt100 or the internal 24V 10V transmitter voltage to terminal no 3 Note the factory setting of the jumper is fo
33. ding value to be displayed for each step Since the curve is not linear look up the matching reading for each input value on the graph or table for the input device step 5 00 first step enter value for input signal 1V in this case 0 step 5 01 second step enter value for input signal 1 125V step 5 02 third step enter value for input signal 1 250V continue through all 32 steps increasing the input signal by 0 125V per step and entering the corresponding value to be displayed step 5 32 final step enter value for input signal 5 0V in this case 150 Now set the input range in the InP menue as follows Lo S 0 and Hi S 150 This will define when the input signal is out of range 10 CONTROL MODE The control type is determined by the Ctr parameter in the Hrd menu Most commonly used setups are Ctr 6 PID heating factory default setting Ctr 9 ON OFF heating the h Pb parameter in the CFG menu sets the hysteresis normal setting h Pb 0 1 Ctr 10 ON OFF cooling the c Pb parameter in the CFG menu sets the hysteresis normal setting c Pb 0 1 Ctr 12 PID heating ON OFF cooling c Pb sets hysteresis same as above This control mode is ideally suited for extruders with air cooling using fans In this mode the controller prevents overlap of the heating and cooling output The deadband temperature band between heating and cooling is set by adjusting c SP in the CFG menu Because overlapping of heating and cool
34. ductive loads that operate in DC GEFRAN spa will not be held liable for any injury to persons and or damage to property deriving from tampering from any incorrect or erroneous use or from any use not conforming to the device specifications
35. e S U Interf KEYB DISL DISH LED OUT4 Bit 6 5 4 3 Ex 1 0 1 0 0 0 If you want to manage KEYB and DISH from serial line set code 80 in S U Hardware Parameters Press and hold the F key down until you get to PAS then release the F key Use the UP DOWN arrow keys to enter the password 99 Now press and hold the F key until you get to the Hrd menu Press the F key briefly to move from one parameter within the menu to the next Use the up down arrow keys to change the parameter value hd 1 This can be used to select one or a combination of the following functions Multiset having 2 setpoints Reversed LED state or instrument control by serial communication Ctr This sets the control type Usually Ctr 6 PID heating or Ctr 7 PID cooling For combined heat cool applications Ctr 12 PID heat ON OFF cool typical for extruders with air cooling or Ctr 14 advanced PID heat PID cool is useful See note 10 AL n Use this function to select the combination of alarms you wish to enable See note 13 put Use this to program the function of the Manual Auto key on the faceplate but 5 to switch between setpoints but 6 to start stop self tuning but 7 to start stop auto tuning diG this parameter defines the function of the digital input The digital input serves a function similar to the M A button but is operated via remote switch only
36. ec If 32 in A1 t 0 999 min If 64 in A1 t Alarm 2 hysteresis RO 99 scale points Alarm 3 hysteresis 999 scale oi 0 0 00 0 0 999 sec If 32 in A1 t 0 999 min If 64 in A1 t En r ee ee a A Waiting time for HB alarm C MEd intervention 0 999 secondos Relative gain Rg see applicable note 1 08 Value has to be higher than cycle time value of 0 4 output to which HB alarm is assigned Setpoint for cooling relative to heating setpoint Proportional band for cooling 25 0 Waiting time for LBA alarm intervention full scale Set to 0 to disable LBA alarm Power limit for LBA alarm condition Power output in fault condition Integral time for cooling Derivative time for when probe is faulty ON OFF Set gradient see applicable note 0 0 999 9 digit min digit sec see SP r cooling LBA alarm may be reset by simultaneously pressing A V keys when OutP is displayed or by switching to Manual Maximum power limit for cooling Nota C_Pb c_it c_dt parameters are read only if the option relative gain heat cool control Ctrl 14 has been selected Input settings S R range 0 1750 C error lt 0 2 f s t gt 300
37. ehensive menu is enabled by setting the protection level Pro 128 Press and hold the F key down until you get to PAS then release the F key Use the UP DOWN arrow keys to enter the password 99 Now press the F key briefly The protection code Pro will be displayed Use UP DOWN arrow keys to enter the protection level 128 Minimum power limit for cooling not available for heating cooling double action 0 100 Control parameters 999 999 Manual reset scale points Enabling self Continuous autotuning Softstart tuning NO NO autotuning YES NO 100 0 100 0 Reset power softstart NO NO he YES NO NO YES YES YES Antireset 0 9999 scale points Proportional band for heating 0 999 9 full scale n m lt x Q Feedforward Integral time for heating 0 00 99 99 nin Softstart time 00 Sa si Derivative time for heating 0 00 99 99 min 0 999 sec If 32 in A1 t 0 999 min Alarm 1 hysteresis 999 scale oi Maximum power limit for heating If 64 in A1 t Minimum power limit for heating not available for double heat cool action Cooling medium 0 999 s
38. eter represents time Integral time and is expressed in minutes A long integral time results in slow correction of errors A very fast integral time can cause ringing oscillation as a result of aggressive error correction D Derivative parameter The Derivative parameter see h dt and c dt counteracts rapid changes in the process variable It is useful to reduce overshoot caused by aggressive Integral action It also provides fast corrective action to a sudden change in the process variable The Derivative parameter represents time Derivative time and is expressed in minutes A long Derivative time results in a strong response to a change in the process variable Derivative time should be used with caution as it can lead to instability by overreacting to noise electromagnetic interference on the sensor input line As a rule of thumb the Derivative time should be less than 25 of the Integral time Any higher value will lead to a conflict between Integral and Derivative action resulting in the process spiraling out of control Manual Tuning A Enter the setpoint at its working value B Set the proportional band at 0 1 with on off type setting C Switch to automatic and observe the behavior of the variable It will be similar to that in the figure A D The PID parameters are calculated s follows Proportional band Peak P B a x 100 V max V min V max V min is the scale range Integral time It 1 5 x T Deriva
39. g 5 InTA T 6 In digital 8 error OUT2 card recognition 16 error OUT3 card recognition Example 111 R R RS 485 C H d Configuration 1 hrd Configuration Menus 2 Configuration menus 2 1 Description of menus The programming of the 600 controller is divided into 10 menus INF the information menu contains general information software version etc CFG the configuration menu contains all parameters affecting the control behavior enabling of self autotune PID parameters hysteresis softstart time loop break power etc Ser The serial communication menu only applies to controllers with serial communication It allows selection of addresses protocol baud rate Parity checking etc InP the input menu contains selection of input type the input range filters and limits for setpoints Out the output menu allows selection of reference signals for the various alarms alarm types heater and sensor failure functions mapping of control output and alarms to the four output ports setting of the cycle time for all PID outputs assignment of the reference signal for the analog output PAS the following menus 7 9 are password protected Entering a password of 99 allows access to these menus Pro the protection menu allows tamper proofing and restriction of access to the various menus and settings Hrd the hardware configuration menu allows enabling of control via serial comms selection of contr
40. he set gradient is inhibited at power on when self tuning is engaged If the set gradient is set to 40 it is active even with variations of the local setpoint i settable only on the relative SP menu LOC REM _on The control setpoint reaches the set value at the speed defined by the gradient if the set gradient is set 22 gt SOFTWARE ON OFF SWITCHING FUNCTION How to switch the unit OFF hold down the F and Raise keys simultaneously for 5 seconds to deactivate the unit which will go to the OFF state while keeping the line supply connected and keeping the process value displayed The SV display is OFF All outputs alarms and controls are OFF logic level 0 relays de energized and all unit functions are disabled except the switch on function and digital communication How to switch the unit ON hold down the F key for 5 seconds and the unit will switch OFF to ON If there is a power failure during the OFF state the unit will remain in OFF state at the next power up ON OFF state is memorized The function is normally enabled but can be disabled by setting the parameter Prot Prot 16 This function can be assigned to a digital input d i G and excludes deactivation from the keyboard 23 gt PROTECTING TAMPER PROOFING THE UNIT To get into the Prot Menu changing the protection level hold the F key down until PASS appears in the top display Release the F key and use the up down a
41. igurable decimal point position Controls PID Self tuning on off i pb dt it 0 0 999 9 0 00 99 99 min 0 00 99 99 min 45 Action Heat Cool A Control outputs on off continuous i Maximum power limit heat cool 0 0 100 0 Cycle time 0 200 sec Main output type relay logic continuous 0 10V 4 20mA 99 Softstart 0 0 500 0 min H Fault power setting 100 0 100 0 l Automatic blanking Displays PV value optional exclusion 10 i Up to 3 alarm functions assignable to an output f Configurable alarms configurable as maximum minimum symmetrical absolute deviation LBA HB exclusion during warm u Alarm masking latching reset fom face plae or external contact Type of relay contact NO NC 5A 250V 30Vdc cos 1 A N Logic output for static relays 24V 10 10V min at 20mA Triac output 20 240Vac 1 0 1 A max a a For correct and safe Snubberless inductive and resistive load It 128A s installation follow the Transmitter power supply 0 24Vdc max 30mA short circuit protection instructions and Analogue retransmission signal 10V 20mA Rload max 5002 resolution 12 bit observe the warnings Logic inputs Ri 4 7Kz 24V 5mA or no voltage contact contained in this Serial interface optional RS485 isolated manual Baud rate 200 2400 4800 9600 19200 Protocol Gefran CENCAL MODBUS i T A 50mAac 50 60Hz Ri 102 Panel mounting Optional ammeter input To fix the unit insert the brackets provided
42. ing c SP in the CFG menu Because overlapping of heating and cooling is prevented by the controller it is possible to set the deadband very small e g c SP 0 2 thus achieving very accurate control This control mode is preferable to normal PID heating Ctr 6 using the alarm function for cooling Normal PID heating with Alarm usually necessitates a large deadband 5 10 C to prevent overlapping of the heat cool operations Please note you have to enable the cooling output Out1 by setting rL 1 1 in the Out menu Also check that the heating output is enabled by rL 2 0 alternatively rL 3 0 for analog control You also have to set the deadband c SP in the CFG menu Ctr 12 PID heating PID cooling This control mode is ideally suited for applications where the cooling medium air water oil is controlled via a solenoid valve or motorized valve The deadband temperature band between heating and cooling is set by adjusting c SP e g c SP 0 2 in the CFG menu The PID parameters for the cooling function are automatically set by entering the relevant cooling medium in C ME in the CFG menu e g C ME 2 for water cooling Check the note above regarding enabling of the cooling output 12 FAST PROCESSES For very fast processes e g air heaters and Infrared heaters PID control performance is improved by selecting a faster derivative action sampling time This is achieved by adding 64 to the Ctr parameter in the Hrd menu e g Ctr
43. ing is prevented by the controller it is possible to set the deadband very small e g c SP 0 2 thus achieving very accurate control This control mode is preferable to normal PID heating Ctr 6 using the alarm function for cooling Normal PID heating with Alarm usually necessitates a large deadband 5 10 C to prevent overlapping of the heat cool operations Please note you have to enable the cooling output Out1 by setting rL 1 1 in the Out menu Also check that the heating output is enabled by rL 2 0 alternatively rL 3 0 for analog control You also have to set the deadband c SP in the CFG menu Ctr 12 PID heating PID cooling This control mode is ideally suited for applications where the cooling medium air water oil is controlled via a solenoid valve or motorized valve The deadband temperature band between heating and cooling is set by adjusting c SP e g c SP 0 2 in the CFG menu The PID parameters for the cooling function are automatically set by entering the relevant cooling medium in C ME in the CFG menu e g C ME 2 for water cooling Check the note above regarding enabling of the cooling output 17 11 CONTROLS SP cSP SP SP i SP cSP 100 100 Control outpu f i i Control output 0 0 100 l l aN 100 Control output with proportional action only if proportional heating band Control output with proportional action only if proportional heating band ove
44. ing this value as the FA P parameter Alternatively set FA P 0 to disable the control output failsafe mode 15 gt HEAT BREAK ALARM AUX INPUT 2 controllers with input output 3 option H monitor the load current via a 50mA secondary current transformer refer to Gefran CT type 330200 and 330201 The load current can be displayed via the bottom SV display set dSP 1 in Hrd menu The scaling of the input is achieved by setting LS 2 normally LS2 0 and HS 2 in the InP menu The heater Break HB Alarm is enabled by setting either rL 1 or rL 2 or rL 3 or rL 4 5 13 14 15 or 16 and by setting Hb F to the appropriate level see Out menu A Hb in level 1 menu sets the HB alarm setpoint Hb t in the CFG menu sets the waiting period before a HB alarm is triggered 16 gt MANUAL MODE The controller can be set into manual mode This is achieved by setting but 1 in the Hrd menu It is also recommended to set either Ld 1 LD 2 or Ld 3 17 flashing in the the Hrd menu thus getting LED indication if the controller is in manual mode By operating the AUTO MANUAL button on the faceplate the controller will switch from normal control to manual control The PV display bottom display will now show the output power The power can be adjusted via the UP DOWN arrow keys The controller will return to AUTO mode if the AUTO MANUAL button is operated again 17 DISPLAY FUNCTIONS e SV Display bottom display The function of this display can
45. into the seats on either side of the case To mount two or more units side by side respect the cut out dimensions std 100 240Vac dc 10 shown in the drawing Power supply switching type opt 20 27Vac de 10 50 60Hz 8VA max CE MARKING EMC conformity electromagnetic compatibility with EEC Directive racepiate protection P 89 336 CEE with reference to the generic Standard EN50082 2 immunity in industrial on Hg orage eniperalure range Baal x Fc bea ante i Relative humidity 20 85 non condensing environments and EN50081 1 emission in residential environments BT low voltage Installation Panel plug in from front conformity respecting the Directive 73 23 CEE modified by the Directive 93 68 Weight 160g for the complete version MAINTENANCE Repairs must be done only by trained and specialized personnel Cut power to the device before accessing internal parts EMC conformity has been tested with the following connections Do not clean the case with hydrocarbon based solvents Petrol Trichlorethylene etc FUNCTION CABLE TYPE LENGTH Use of these solvents can reduce the mechanical reliability of the device Use a cloth Power supply cable 1 mm im dampened in ethyl alcohol or water to clean the external plastic case Relay output cable _ 7 1mm 3 5m g Digital communication wire 0 35 mm 3 5m SERVICE GEFRAN has a service department The warranty excludes defects caused
46. ng Stun 2 in the CFG menu 1 3 Switch off power to the instrument and to the process 1 4 Make sure the process has cooled down and is far below the setpoint 1 5 Apply power to the controller and the process 2 Activation from keyboard 2 1 Adjust the sepoint to the required value 2 2 Enable self tuning by setting S tu 2 in the CFG menu 2 3 Enable stop start self tuning via the M A button by setting but 6 in the Hrd menu 2 4 Make sure the process has cooled down and is far below the setpoint Usually this is done by switching power off or disabling the heating elements 2 5 Apply power to the process and press the M A button on the faceplate of the instrument2 Activation from keyboard Autotune 1 Continuous autotune Enable autotuning by setting S tu 1 3 or 5 in the CFG menu The controller measures system oscillations to find the optimum The calculated parameters are not stored 2 One shot autotune 2 1 Enable autotuning by setting S tu 8 10 or 12 in the CFG menu 2 2 Enable stop start autotuning via the M A button by setting but 7 in the Hrd menu 2 3 Initiate autotuning by pressing the M A button on the faceplate of the instrument The controller produces 10 variations from normal output power examines the effect and optimizes PID parameters over time It then stores the new PID parameters and automatically ends the autotuning process The tuning process can be ended prematurely by pressing the M A button 3 Automatic
47. nput TC J F 32 1832 32 0 999 9 if 0 excludes averaging filter on TCK 0 1300 0 0 999 9 sample value TCK F 32 2372 32 0 999 9 TC RC 0 1750 0 0 999 9 TC RF 32 3182 32 0 999 9 TCS 0 1750 0 0 999 9 TCS F 32 3182 32 0 999 9 TCT 200 400 199 9 400 0 TC TF 328 752 199 9 752 0 0 TCB C 44 1800 44 0 999 9 ths TCB F 111 3272 111 0 999 9 Digital filter on input TCE C 100 750 100 0 750 0 display TCE F 148 1382 148 0 999 9 TCN 0 1300 0 0 999 9 TCN F 32 2372 32 0 999 9 L GOST 0 600 0 0 600 0 L GOST F 32 1112 32 0 999 9 TCU 200 400 199 9 400 0 TCU F 328 752 199 9 752 0 TCG C 0 2300 0 0 999 9 TCG F 32 4172 32 0 999 9 TCD 0 2300 0 0 999 9 TCD F 32 4172 32 0 999 9 TCC C 0 2300 0 0 999 9 TCC F 32 4172 32 0 999 9 Ni Ni18Mo C 0 1100 0 0 999 9 Ni Ni18Mo F 32 2012 32 0 999 9 not available for TC RTD TC CUSTOM CUSTOM PTC and NTC scales TC CUSTOM CUSTOM PT100 200 850 199 9 850 0 PT100 F 328 156 2 199 9 999 9 a a en Minimum inter man minato range PTC C 55 120 55 0 120 0 input scale selected ny PTC F 67 248 67 0 248 0 NTC C 10 70 10 0 70 0 NTC F 14 158 14 0 158 0 0 60 mV 1999 9999 199 9 999 9 0 60 mV Custom scale Custom scale 12 60 mV 1999 9999 199 9 999 9 12 60 mV Custom scale Custom scale 0 20 mA 1999 9999 199 9 999 9 0 20 mA Custom scale Custom scale Ta z 7 4 20 MA 1999 9999 199 9 999 9 Maximum limit of main min maxinput range 4 20 MA Cu
48. ol type PID heat heat cool the alarm types function of the three LED s L1 L3 the Auto Manual key the digital input function of the lower display Lin Custom linearization for the main input can be performed in 35 steps U CA User calibration allows precision calibration of inputs and analog outputs 2 2 Getting into the various menus Press and hold the F key on the controller down The menus INF CFG Ser InP OUT PASS and LEVEL 1 main menu displaying temperature and setpoint will appear in succession Release the function key whenever the desired menu is displayed Fress ihe button briefly to get to the first parameter in the selected menu The parameter type is indicated in the top display the value is shown in the ottom display Use the up down arrow keys to change the parameter value Press the function key briefly to accept the parameter value and to move on to the next parameter Press and hold the F key down to move to other menus Note It is possible that some menus do not appear while holding the function key down This is because the protection level is preventing access to these menus Refer to step 3 2 Password protected menus Press and hold the F key on the controller down to get to PAS Release the F key and enter the password 99 To get into the Pro menu press the F key briefly He get into any subsequent menu Hrd Lin U CAL press and hold the F key on the controller down to get to
49. op break alarm The LBA alarm is enabled by setting Al n between 16 and 31 in Hrd menu but can be disabled by setting Lb t 0 in the CFG menu Lb t sets the waiting time for a LBA alarm The output power under fault condition is set by Lb P in the CFG menu An alarm output can be enabled by setting rL 1 2 3 or4 6 in the Out menu LBA is triggered when the output power is fully on 100 but the process variable does not respond This will typically happen when the heating circuit is defective a fuse is blown the thermocouple cable is short circuited or the sensor is not mounted in position Apart from triggering an alarm output the LBA alarm can be configured to force the control output into a preset output power when a loop fault occurs The idea is to enter an output power at which the process will continue at normal temperature without causing overheating NB Do not set the Lb t too short to avoid nuisance tripping Do not set Lb t too long causing overheating before output power is reduced Sensor Fault The system will indicate a sensor fault whenever the input signal falls outside the range set by Lo S and Hi s InP menu In this condition the main control output power will default to the set in FA P CFG menu This is a useful feature allowing you to finish a production run before attending to a sensor fault We recommend monitoring the output power during normal operation temporarily set dSP 2 in HrD menu and then enter
50. ortional band 0 100 Normally P rs 0 At 0 the proportional band is entirely below the set point At 50 the proportional band is centered about the set point At 100 the proportional band is entirely above the set point This function only applies to PID control See note 19 A rS Anti reset reduces the window scale points 0 9999 within the proportional band where integral action is active Normally integral action is active as soon as the process variable enters the proportional band Outside this window integral action is deactivated Normally A rs 0 See note 19 FFd Feed forward adds a calculated proportion to the output power and thus effectively shifts the proportional band 0 100 up Normally A rs 0 See note 19 SoF Soft start time is in the range 0 0 to 99 9 minutes The soft start action terminates when the set time has expired or when the controlled variable enters the Proportional Band This function is an alternative to self tuning and if programmed it is activated each time the instrument is powered up Hy 1 sets the hysteresis for the Alarm output output 1 and is a of the input range It should normally remain set at 0 1 Use the up down arrow keys to change this parameter Setting it to 100 means the alarm will latch Alternatively hy 1 parameter sets the time delay before the alarm trips if the alarm type Ai t parameter in the Out menu is set to n 32 or n 64 Hy 2 sets the hysteresis for output 2 and is a
51. out1 terminals 21 22 Normally rL 1 2 resulting in this output being mapped to Alarm1 For combined Heat Cool operation this output is usually set for cooling rL 1 1 rL 2 sets the function of out2 terminals 19 20 Normally rL 2 0 main output for heating rL 3 sets the function of out3 terminals 5 6 It only applies to units with a third output For controllers with analog control output 600 R C this is set as the main output For Heating rL 3 0 rL 4 sets the function of out4 terminals 11 12 It only applies to units with a fourth output See note 13 Ct 1 sets the cycle time for output 1 cooling output for Heat cool Ct 2 sets the cycle time for output 2 main or heating output Ct 3 sets the cycle time for output 3 main or heating output Ct 4 sets the cycle time for output 4 main or heating output The above parameters only apply to PID control with relay or logic outputs Set Ct 1 If the control output switches a solidstate relay controller type 600 R D 0 0 1 Set Ct 20 if the control output switches a contactor or relay controller type 600 R R 0 0 1 Setting a shorter cycle time can adversely affect the life span of the contactor NB See note 20 rEL sets the state to which the various alarms should revert when a sensor fault occurs An o This applies only to units with analog retransmission 600 R W and assigns the variable to be transmitted Apart from the input variable you
52. own until you get to the InP menu then release the F key Press the F key briefly to move from one parameter within the menu to the next Use the up down arrow keys to change the parameter value SP r only applies to models with serial communication defines if the remote setpoint is absolute or relative to the local setpoint tyP Selects the sensor input type O J 2 K 30 Pt100 see table For scaling of analog inputs e g 0 10V 4 20mA refer to note 4 2 FLt This sets the filtering of the input signal While the filter reduces the effect of interference on the sensor wiring it also delays the response time thus affecting the control performance On very fast processes hotrunner nozzles air heating set FLt 0 1 On slow processes set FLt 0 5 default FLd This filter stabilizes the display when the input variable fluctuates rapidly It does not affect control behavior Fld 0 5 factory setting dP S Enter the number of decimal points required O no decimal point 1 one decimal point For J K and Pt100 sensors not more than one decimal point are possible NB See note 9 Lo S this is the minimum sensor input scale Leave the setting at 0 0 0 for J or K sensors and set to 200 199 9 for Pt100 sensors On analog input types e g 0 10V 4 20mA this defines the minimum value of the input scale Hi S this is the maximum sensor input scale Set to 1000 999 9 for J sensor set to 1300 999 9 for K sensor and set to 85
53. put scale 0 0 999 9 Maximum limit auxiliary input scale 0 0 999 9 Offset correction of aux input 99 9 99 9 scale points Lo S Hi S Lo S Hi S Lower limit for setting SP and absolute alarms Upper limit for setting SP and absolute alarms Output settings AL 1 1 AL 2 r AL 3 r Variable to be compared Reference setpoint PV Process variable AL SSP active setpoint AL only absolute PV process variable AL only relative and referred to SP1 with multiset function AL 1 t AL 2 t AL 3 t Direct high limit Absolute or Inverse low limit relative to active setpoint absolute absolute relative relative absolute absolute relative relative Normal Symmetrical window normal normal normal normal symmetrical symmetrical symmetrical symmetrical direct inverse direct inverse direct inverse direct inverse NIDA A WN o 8 to disable on power up until first interception 16 to latch alarm 32 Hys becomes delay time when alarm trips 0 999 sec excluding symmetrical absolute 64 Hys becomes delay time when alarm trips 0 999 min excluding symmetrical absolute 0 Relay logic output alarm active on lo
54. r Pt100 input You need to change the jumper setting to enable the 24V output on terminal no 3 see sketch on hardware The internal transmitter supply is common negative internally linked to negative sensor input on terminal no 2 The positive output is connected to terminal 3 via the jumper see above 1 3 Transmitter supply voltage inside the controller is a solder link to select the transmitter output voltage 24 15 10 5 1 23VDC Factory setting is 24VDC small track on PCB needs to be cut when changing to other voltage see sketch on hardware 1 4 Digital input On models 600 I R N the digital input is NOT isolated It is common negative terminal 6 and terminal 2 To activate the input you need to apply 24VDC to the digital input terminals 5 and 6 Alternatively you can enable the internal 24V transmitter supply jumper setting see above and use a dry contact between terminals no 3 and no 5 1 5 Outputs Type 600 controllers have up to 4 outputs depending on the model Each output can be mapped via software to perform one or more functions It is for example possible to assign a combination of alarms to one output relay It is also possible to assign the main control function to any of the outputs If for example the relay contact on output 2 factory setting for main control output is damaged you can by software change the main control function to output 1 Factory setting output 1 is mapped to alarm 1 and output
55. rlaps proportional cooling band overlaps proportional cooling band PV Process Value SP Heating Setpoint SP cSP cooling setpoint h_Pb proportional heating band c_Pb Proportional cooling band Heating Cooling control with relative gain In this control mode enabled with Ctr 14 parameter the type of cooling has to be specified Cooling PID parameters are therefore calculated based on heating parameters according to the specified ratio for example C ME 1 oil H_Pb 10 H_dt 1 H_It 4 implies C_Pb 12 5 C_dt 1 C_It 4 We advise you to apply the following values when setting output cycle times Air T Cool Cycle 10 sec Oil T Cool Cycle 4 sec Water T Cool Cycle 2 sec NB Cooling parameters cannot be modified in this mode Control mode The control type is determined by the Ctr parameter in the Hrd menu Most commonly used setups are Ctr 6 PID heating factory default setting Ctr 9 ON OFF heating the h Pb parameter in the CFG menu sets the hysteresis normal setting h Pb 0 1 Ctr 10 ON OFF cooling the c Pb parameter in the CFG menu sets the hysteresis normal setting c Pb 0 1 Ctr 12 PID heating ON OFF cooling c Pb sets hysteresis same as above This control mode is ideally suited for extruders with air cooling using fans In this mode the controller prevents overlap of the heating and cooling output The deadband temperature band between heating and cooling is set by adjust
56. rrow keys to enter the password 99 Then press the F key briefly Prot will appear in the top display Use the up down arrow keys to select the desired protection level Typical values 0 enabling the EASY configuration menu 128 enabling full access to all parameters 1 allowing access to EASY configuration menu but barring access to the Alarm setpoint view only 2 allowing access to the EASY configuration menu but barring access to the Alarm setpoint and disabling alarm setpoint display 5 barring access to the InP and Out menu and barring access to the Alarm setpoint view only Access to the CFG menu PID parameters is still enabled 13 barring access to the EASY configuration menu and barring access to the Alarm setpoint view only Access to the CFG menu PID parameters is still enabled 23 24 ACCESSORIES e CURRENT TRANSFORMER These transformers are used to measure currents of 50 60Hz from 25A to 600A nominal primary current The peculiar characteristic of these transformers is the high number of secondary turns This provides a very low secondary current suitable for an electronic measurement circuit The secondary current may be detected as voltage on a resistor 1e CODE Ip Is Secondary nn OUTPUTS Ru Vu ACCURACY Wire 50 0 05 A TA 152 025 25 0 05A 0 16 mm niz 500 1 2 2 Vac 2 0 TA 152 050 50 0 05A 0 18mm ni2 1000 12 4 Vac 1 0
57. s disabled for these displays If Inc Dec F keys are not pressed within 15 sec display returns automatically to P V value N B Once a particular configuration is entered all unnecessary parameters are no longer displayed e Identification of boards Power board Select transmitter 22238 voltage aroti 9 ono P CPU board 7s i i 8 cs a ad ae on in el r Information display Custom menu Serial communications Input settings Output settings Password Protection code Hardware configuration Input linearization User calibration Select signal at contact 3 Keep the F key pressed to scroll the menus Release the F key to select the displayed menu Press the F key to access the parameters Keep the F key pressed to exit any menu Keep F Auto Man keys pressed for 2 sec on any menu to go immediately to level 1 display e InFo Display IN F Information display U p d Software version C od Instrument code OUTPUT 2 INPUT OUTPUT 3 SERIAL COMMUNICATION OUT4 1 10 No Error 0 None 0 None 0 None F r r Self diagnostic ilo 1 Relay 1 Relay 1 RS 485 error code 2 Hi 2 Logic 2 Logic 2 Relay 3 ERR 3 Triac 3 Continuous 4 SBR 4 Analo
58. s the F key briefly Prot will appear in the top display Use the up down arrow keys to select the desired protection level Typical values 0 enabling the EASY configuration menu 128 enabling full access to all parameters 1 allowing access to EASY configuration menu but barring access to the Alarm setpoint view only 2 allowing access to the EASY configuration menu but barring access to the Alarm setpoint and disabling alarm setpoint display 5 barring access to the InP and Out menu and barring access to the Alarm setpoint view only Access to the CFG menu PID parameters is still enabled 13 barring access to the EASY configuration menu and barring access to the Aam setpoint view only Access to the CFG menu PID parameters is still enabled 4 to disable InP Out 8 todisable CFG 128 enables full configuration Press and hold the F key down until you get to the level 1 menu then release the F key 0 0 100 0 h p b Proportional band 0 999 9 Maximum power limit Li for heating full scale for heating Integral time 0 999 sec h lt for healing 0 00 99 99 min Alarm 1 hysteresis 999 scale pins einai If 64 in A1 t Derivative time hdt for heating 0 00 99 99 min 3 2 3 Configuration parameters CFG Press and hold the F key down until you get to the CFG menu then release the F key Press the F key briefly The top displa
59. scale For standard temperature sensors thermocouples Pt100 the Lo S and Hi s parameters should normally correspond with the minimum and maximum temperature scale of the particular sensor as listed in the input table Example for a type J thermocouple Lo S 0 and Hi s 1000 NB When a decimal point is selected these parameters are affected and must be reset For instance on a sensor input type K setting dP S 1 in the InP menu will change Lo S 0 to 0 0 and Hi s 1300 no decimal point to130 0 with decimal point When the temperature rises above 130 0 C the controller will thus indicate a sensor fault The Hi S parameter must therefor be reset to Hi s 999 9 to eliminate this problem e Analog Inputs For analog inputs e g 4 20mA or 0 10V Lo S and Hi s represent the zero and span of the input signal Example input type is a temperature transmitter 4 20mA and a zero and span of 5 C and 100 C respectively 4mA representing 50 C and 20mA representing 100 C The correct setting for Lo S 50 and Hi S 100 If a decimal point is set dP S 1 then the correct setting is Lo S 50 0 and Hi S 100 0 e Custom Inputs user calibration For custom Inputs the calibration 32 step is performed in the LIN menu The steps are numbered from 5 00 to 5 32 Example Custom input tyP 53 1 5V corresponding to a reading of 0 to 150 C Procedure divide the input signal range by 32 5 1 32 4 32 0 125 V enter the correspon
60. show inverse absolute normal i a i direct relative normal Al t Use the up down arrow keys to select the alarm function inverse relative normal for the alarm output 1 direct absolute symmetrical Normal factory default setting Al t 0 inverse absolute symmetrical See note 4 5 direct relative symmetrical inverse relative symmetrical NIDA A wN o Press the F key briefly The top display will show 8 to disable at power on until first alarm Ct 2 Use the up down arrow keys to select the desired cycle 16 to enable alarm memory i time 82 Hys becomes delay time when alarm trips 0 999 sec Set Ct 2 1 If the control output switches a solidstate relay excluding symmetrical absolute troller t 600 R D 0 0 1 64 Hys becomes delay time when alarm trips 0 999 min controller ype R D 0 0 1 f excluding symmetrical absolute Set Ct 2 20 if the control output switches a contactor or relay controller type 600 R R 0 0 1 Cycle time for Out2 1 200 sec Heat or Cool See note 4 12 Protection code Display Modification Protecting tamper proofing the unit SP alarms SP alarms To get into the Prot Menu changing the protection level hold the F key SP alarms SP down until PASS appears in the top display Release the F key and use SP the up down arrow keys to enter the password 99 Then pres
61. stom scale Custom scale i input scale Sect 10 V 1999 9999 199 9 999 9 z 10V Custom scale Custom scale 10V 1999 9999 199 9 999 9 0 0 2 2 10 V Custom scale Custom scale 0 0 1 1 0 4 Ss oO 0 0 20 0 sec N AWN o Format Decimal point position for XXXX input scale XXX X XX XX X XXX 5 V 1999 9999 199 9 999 9 s 5 V Custom scale Custom scale i Offset correction 99 5 V 1999 9999 199 9 999 9 of main input scale points 5 V Custom scale Custom scale iy 1999 9999 199 9 999 9 0 1V Custom scale Custom scale 200mv 1V 1999 9999 199 9 999 9 200mv 1V Custom scale Custom scale Cust10 V 20mA 1999 9999 199 9 999 9 Cust10 V 20mA Custom scale Custom scale Cust 60mV 1999 9999 199 9 999 9 Cust 60mV Custom scale Custom scale PT100 JPT CUSTOM CUSTOM PTC CUSTOM CUSTOM NTC CUSTOM CUSTOM Digital filter A 0 0 20 0 sec aux input For custom linearization LO signal is generated with variable below Lo S or at minimum calibration value HI signal is generated with variable above Lo S or at maximum calibration value Minimum limit auxiliary in
62. t parameters in the Out menu Alarms can be set to be absolute relative or symmetrical Direct alarm means the alarm contact closes when the input variable eg Temperature exceeds the alarm setpoint Inverse alarm means the alarm contact closes when the input variable drops below the alarm setpoint Absolute means the setpoint is independent of the active control setpoint Relative means the alarm setpoint is relative to the active control setpoint e Alarm Types symmetrical means the alarm is active inside outside a window around the control setpoint It is used to detect abnormal deviation positive and negative of the input variable from setpoint Alarms can be delayed by adding 32 delay in seconds or 64 delay in minutes to the selected alarm parameter The Hy parameter Hy 1 Hy 4 in CFG menu becomes the delay time Examples Al t 0 means that the alarm relay will close when the temperature exceeds the alarm setpoint high temperature alarm Al t 2 and an alarm setpoint AL 1 10 means that the alarm relay will energise when the temperature rises by 10 C above the control setpoint Al t 33 1 32 and Hy 1 45 means that a low temperature alarm will come on if the low temperature condition has prevailed for 45 seconds HB ALARM FUNCTION This type of alarm depends on use of the current transformer C T input It can signal variations in load input by identifying the current value in ammeter input in the range 0
63. tive time dt It 4 E Switch the unit to manual set the calculated parameters Return to PID action by setting the appropriate relay output cycle time and switch back to Automatic F If possible to optimize parameters change the setpoint and check temporary response If gt an oscillation persists increase the proportional band If the response is too slow reduce it Time If a process is out of tune we recommend to first disable the Integral and Derivative action by setting the Integral and Derivative parameters to zero Increase the proportional band until you obtain stability no cyclic fluctuation You will get a constant error offset Now introduce integral action This will remove the error offset If excessive ringing occurs increase the integral time Reduce the integral time if the error reduces too slow Now add a very short Derivative time e g h dt 0 02 not more than 25 of the Integral time 21 Selftune Selftune is performed on a cold process power up and is a once off process At power up the controller will provide full power for a brief moment then monitor rise and fall of the process variable calculate the PID parameters and the revert to normal control It is useful to configure one of the three LEDs L1 L2 or L3 to indicate or flash while autotuning is active How to activate self tuning 1 Activation at power up 1 1 Adjust the setpoint to the required value 1 2 Enable selftuning by setti
64. ween rapid response to deviations from the setpoint elimination of overshoot and stability of the process PID parameters can either be tuned manually or automatically through selftuning or autotuning PID parameters The PID parameters determine the control performance and are settable in the CFG menu P Proportional band The function of the Proportional band see h Pb and c Pb is to eliminate the cyclic overshoot undershoot caused by thermal lag This is achieved by reducing output power before the setpoint is reached thus anticipating the overshoot The closer one gets to the setpoint the less power is provided The proportional band is expressed as a percentage of the input scale Hi S Lo S See example below A very narrow proportional band can lead to cyclic overshoot undershoot An excessively wide proportional band will slow down the heat up time becvause power is reduced too early Proportional control results in an error offset e g for a type J input with Lo S 0 and Hi S 1000 and h Pb 4 5 the proportional band is 4 5 of 1000 0 45 C As a result the output power of the control output will be reduced when the rising temperature enters a 45 C window below the setpoint Integral parameter The Integral parameter see h it and c it automatically removes the error offset caused by the proportional control It reduces or increases power to counteract any deviation of the process variable from setpoint The integral param
65. y will show h Pb Use the up down arrow keys to select the proportional band for the main control output The value is a of the input range Hi S Lo S in the InP menu E g for Type J sensors h Pb 4 equals 40 C 4 of 1000 C Press the F key briefly The top display will show h It Use the up down arrow keys to select the integral time for the main control output The time is set in minutes Press the F key briefly The top display will show h dt Use the up down arrow keys to select the derivative time for the main control output The time is set in minutes this parameter should not exceed 1 4 of the h It parameter See note 4 10 PID parameters Press the F key briefly The top display will show hP H Normally this parameter remains set to 100 Use the down arrow key if you want to reduce the maximum output power of the control output This parameter is useful if elements are rated too high for the application Press the F key briefly The top display will show hy 1 This sets the hysteresis for the Alarm output output 1 and is a of the input range It should normally remain set at 0 1 Use the up down arrow keys to change this parameter Setting it to 100 means the alarm will latch Alternatively hy 1 sets the time delay before the alarm trips if the alarm type Al t parameter in the Out menu is set to n 32 or n 64 7 COMPREHENSIVE CONFIGURATION The compr

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USER`S MANUAL 1 • INSTALLATION !