TLK38 Temperature Controller User Manual
Contents
1. Programming par rot 1 000 in par OFSt it is possible to set a positive or negative offset that is simply added to the value read by the probe before visualisation which remains constant for all the any responsibility for any damage to people things or animals measurements deriving from violation wrong or improper use or in any case f instead it is desired that the offset set should not be constant for not in compliance with the instrument s features 3 4 ELECTRICAL WIRING DIAGRAM RELAYS 8A AC1 3A AC3 250 VAC SSR 8mA 8 VDC rails tie ee TLK 38 RELAY el net No el net No INPUT 1 2 3 4 5 6 7 8 9 10 1 12 OUT 1 OUT 2 SLAT TC Pt100 NTC SUPPLY LN PTC OUT 10 VDC Max 20 mA 7 4 20 mA L4H PASSIVE 2 wires no A ext 4 20mA 9N ee aes ACTIVE 4 Dna ee 0 4 20 mA ACTIVE LO 0 50 60 mV p 01V 0 1 5 V 0 2 10 V 4 FUNCTIONS 4 1 MEASURING AND VISUALIZATION All the parameters referring measurements are contained in the group InP Depending on the model required the input accept C Thermocouples temperature probes J K S and TECNOLOGIC IRS Infrared sensors mV signals 0 50 60 mV 12 60 mV Thermoresistances PT100 E Thermocouples temperature probes J K S and TECNOLOGIC IRS Infrared sensors mV signals 0 50 60 mV 12 60 mV Thermistors PTC and NTC l normalized analogue signals 0 4 20 mA V norm2. 2498 F tcS 0 1760 C ee SEnS S 32 3200 F Pt100 IEC 200 850 C 199 9 850 0 C SEnS Pt1 328 1562 F 199 9 999 9 F PTC KTY81 121 55 150 C 55 0 150 0 C SEnS Ptc 67 302 F 67 0 302 0 F NTC 103 AT2 50 110 C 50 0 110 0 C SEnS ntc 58 230 F 58 0 230 0 F 0 20 mA SEnS 0 20 4 20 MA SEnS 4 20 0 50 mV SEnS 0 50 0 60 mV SEnS 0 60 12 60 mV 199 9 999 9 SEnS 12 60 1999 9999 19 99 99 99 0 1V 1 999 9 999 SEnS 0 1 0 5V SEnS 0 5 1 5V SEnS 1 5 0 10V SEnS 0 10 2 10V SEnS 2 10 7 6 INSTRUMENT ORDERING CODE TLK38 abcdeef a POWER SUPPLY F 12 VAC VDC L 24 VAC VDC H 100 240 VAC b INPUT C thermocouples J K S I R mV thermoresistances Pt100 E thermocouples J K S I R mV thermistors PTC NTC normalized signals 0 4 20 mA V normalized signals 0 1 V 0 1 5 V 0 2 10 V c OUTPUT OUT1 R Relay O VDC for SSR d OUTPUT OUT2 R Relay O VDC for SSR None ee SPECIAL CODES f SPECIAL VERSIONS TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 12 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com
3. wv TLK 38 MICROPROCESSOR BASED DIGITAL ELECTRONIC CONTROLLER OPERATING INSTRUCTIONS Vr 03 ENG cod ISTR 06519 TECNOLOGIC S p A VIA INDIPENDENZA 56 27029 VIGEVANO PV ITALY TEL 39 0381 69871 FAX 39 0381 698730 internet http www tecnologic it e mail info tecnologic it FOREWORD This manual contains the information necessary for the product to be installed correctly and also instructions for its maintenance and use we therefore recommend that the utmost attention is paid to the following instructions Though this manual has been issued with the greatest care TECNOLOGIC S p A will not take any responsibility deriving from its use The same applies to each person or Company involved in the issuing of this manual This document is the exclusive property of TECNOLOGIC S p A which forbids any reproduction and divulgation even in part of the document unless expressly authorized TECNOLOGIC S p A reserves the right to make any formal or functional changes at any moment and without any notice 1 INSTRUMENT DESCRIPTION 1 1 GENERAL DESCRIPTION 1 2 FRONT PANEL DESCRIPTION 2 PROGRAMMING 2 1 FAST PROGRAMMING OF SET POINT 2 2 SELECTION OF CONTROL STATE AND PARAMETER PROGRAMMING 2 3 PARAMETER PROGRAMMING LEVELS 2 4 CONTROL STATES 2 5 ACTIVE SET POINT SELECTION 3 INFORMATION ON INSTALLATION AND USE 3 1 PERMITTED USE 3 2 MECHANICAL MOUNTING 3 3 ELECTRICAL CONNECTIONS 3 4 ELECTRICAL WIRING DIAGRAM 4
4. Alarm AL2 threshold AL2L AL2H 0 35 AL2L Low threshold band 1999 AL2H 1999 alarm AL2 or Minimum set alarm AL2 for high or low alarm 36 AL2H High threshold band AL2L 9999 9999 alarm AL2 or Maximum set alarm AL2 for high or low alarm 37 HAL2 Alarm AL2 hysteresis OFF 9999 1 38 AL2d Activation delay of OFF 9999 OFF alarm AL2 sec 39 AL2i Alarm AL2 activation in no yES no case of measuring error Group LbA parameters relative to Loop Break Alarm Par Description Range Def Note 40 OLbA Output where alarm Out1 Out2 OFF LbA is addressed OFF 41 LbAt Time necessary to OFF 9999 OFF activate alarm LbA sec Group rEG parameters relative to the control Par Description Range Def Note 42 Cont Control type Pid On FA Pid Pid PID On FS nr On FA ON OFF asym On FS ON OFF sym nr Neutral Zone ON OFF 43 Func Functioning mode HEAt CooL HEAt output 1 rEG 44 HSEt Hysteresis of ON OFF 0 9999 1 control or end Soft Start cycle threshold 45 CPdt Compressor Protection OFF 9999 OFF time for 2 rEG sec TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 10 toll free 1 866 665 5434 Pollock Industries Inc 603 888 2467 sales electracool com 6 PROBLEMS MAINTENANCE AND GUARANTEE 6 1 ERROR SIGNALLING 46 Auto Autot
5. Par Description Range Def Note 9 SEnS Probe type input C J J thermocoupled J J CrAL S CrAL termocoupled K Ir J Ir CA S thermocoupled S Pti 0 50 Ir J Infrared Sen IRS J 0 60 12 60 Ir CA Infrared Sen input E Ptc IRS K J CrAL S Pt1 thermores Pt100 Ir J Ir CA 0 50 0 50 mV Ptc ntc 0 60 0 60 mV 0 50 0 60 12 60 12 60 mV 12 60 Ptc thermistor PTC input 4 20 KTY81 121 0 20 4 20 ntc thermistor NTC input V 0 10 103 AT2 0 1 0 20 0 20 mA 0 5 1 5 4 20 4 20 mA 0 10 2 10 0 1 0 1 V 0 5 0 5 V 1 5 1 5 V 0 10 0 10 V 2 10 2 10 V 10 SSC Low scale limit input 1999 FSC 0 with V I signals 11 FSC High scale limit input SSC 9999 100 with V I signals 12 dP Number of decimal Pti Pic ntc 0 figures 0 1 norm sig 0 3 13 Unit Temperature unit of C F C measurement 14 Fil Input digital filter OFF 20 0 1 0 sec 15 OFSt Measuring Offset 1999 9999 0 16 rot Rotation of the 0 000 2 000 1 000 measuring straight line 17 InE OPE functioning in OUr Or Ur OUr case of measuring error OUr Over and under range Or Over range only Ur Under range only 18 OPE Output power in case of 100 100 0 measuring error Group Out parameters relative to the outputs Par Description Range Def Note 19 O1F Functioning of output 1 1 rEG 2 rEG 1 rEG 1 rEG Control output 1 ALno ALnc 2 rEG Control output 2 ALni OFF ALno Ala
6. UP and DOWN keys 1 Key P This is used to access the programming parameters and to confirm selection 2 Key DOWN This is used to decrease the values to be set and to select the parameters If the key is held down the user returns to the previous programming level until he exits the programming mode 3 Key UP This is used to increase the values to be set and to select the parameters If the key is held down the user returns to the previous programming level until he exits the programming mode Outside the programming mode it permits visualisation of the output control power 4 Key U This is a key with a function programmable by par USrb It can be set to Activate Auto tuning and Self tuning functions swap the instrument to manual control silence the alarm change the active Set Point deactivate control see par 4 12 and modify the visibility of the parameters in ConF menu see par 2 3 5 Led OUT1 indicates the state of output OUT1 6 Led OUT2 indicates the state of output OUT2 7 Led SET It indicates access to the programming mode and parameter programming level 8 Led AT ST indicates that the Self tuning function is activated light on or that Auto tuning flashing is in progress 9 Led Shift index indicates that the process value is lower than the one programmed on par AdE 10 Led Shift index indicates that the process value is
7. from the programming mode is obtained TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 2 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com The programming and exit modes for the OPEr menu are the same as those described for menu ConF with the difference that to access the menu OPEr the Password is not required PARAMETER GROUPS PARAMETERS SET PARAMETER Previous Previous Increase A Group A Parameter A Value IGP ee Hold Longer nSP i y Next vy Parameter Decrease Value EXIT ATTENTION The instrument is programmed in factory with all the parameters to exception of the Set Point SP1 and 2 3 4 programmable in the menu ConF to the purpose to prevent wrong accidental programming from non experienced consumers 2 3 PARAMETERS PROGRAMMING LEVELS The menu OPEr normally contains the parameters used to program the Set Point however it is possible to make all desired parameters appear or disappear on this level by following this procedure Enter the menu ConF and select the parameter to be made programmable or not programmable in the menu OPEr Once the parameter has been selected if the LED SET is switched off this means that the parameter is programmable only in the menu ConF if instead the LED is on this means that the parameter i
8. the alarm is not activated It will be activated only when the process value is in non alarm conditions and then back in alarm conditions AL1i ALARM ACTIVATION IN CASE OF MEASUREMENT ERROR This allows one to establish how the alarm have behave in the event of a measurement error yES alarm active no alarm deactivated TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 8 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com 4 11 LOOP BREAK ALARM FUNCTION All the parameters referring to the Loop Break alarm function are contained in the group LbA The Loop Break alarm is available on all the instruments which intervenes when for any reason short circuit of a thermocouple thermocouple inversion load interruption the loop control is interrupted First of all it is necessary to establish to which output the alarm has to correspond To do this it is necessary to set the parameter relative to the output to be used O1F O2F in the group Out programming the parameter as ALno if the alarm output has to be ON when the alarm is active while it is OFF when the alarm is not active ALnc if the alarm output has to be ON when the alarm is not active while it is OFF when the alarm is active ALni if the alarm output has to be ON when the alarm is not active while it is OFF when the alarm is active but with reverse led in
9. FUNCTIONS 4 1 MEASURING AND VISUALIZATION 4 2 OUTPUTS CONFIGURATION 4 3 ON OFF CONTROL 4 4 NEUTRAL ZONE ON OFF CONTROL 4 5 SINGLE ACTION PID CONTROL 4 6 DOUBLE ACTION PID CONTROL 4 7 AUTO TUNING AND SELF TUNING FUNCTIONS 4 8 REACHING OF SET POINT AT CONTROLLED SPEED AND AUTOMATIC COMMUTATION BETWEEN TWO SET POINTS 4 9 SOFT START FUNCTION 4 10 ALARMS OUTPUTS FUNCTIONS 4 11 LOOP BREAK ALARM FUNCTION 4 12 FUNCTION OF KEY U 4 13 PARAMETERS CONFIGURATION BY KEY01 5 PROGRAMMABLE PARAMETERS TABLE 6 PROBLEMS MAINTENANCE AND GUARANTEE 6 1 ERROR SIGNALLING 6 2 CLEANING 6 3 GUARANTEE AND REPAIRS 7 TECHNICAL DATA 7 1 ELECTRICAL DATA 7 2 MECHANICAL DATA 7 3 MECHANICAL DIMENSIONS PANEL CUT OUT AND MOUNTING 7 4 FUNCTIONAL DATA 7 5 MEASUREMENT RANGE TABLE 7 6 INSTRUMENT ORDERING CODE 1 INSTRUMENT DESCRIPTION 1 1 GENERAL DESCRIPTION TLK 38 is a single loop digital microprocessor based controller with ON OFF Neutral Zone ON OFF PID single action PID dual action direct and reverse control and with AUTO TUNING FAST function SELF TUNING function and automatic calculation of the FUZZY OVERSHOOT CONTROL parameter for PID control The PID control has a particular algorithm with TWO DEGREES OF FREEDOM that optimises the instrument s features independently in the event of process disturbance and Set Point variations The process value is visualized on 4 red displays while the output status is indicated by 2 LED displays The i
10. REACHING OF THE SET POINT AT CONTROLLED SPEED AND AUTOMATIC SWITCHING BETWEEN TWO SET POINTS RAMPS AND DWELL TIME All the parameters referring to the ramps functioning are contained in the group rEG It is possible to reach the set point in a predetermined time in any case longer than the time the plant would naturally need This could be useful in those processes heating or chemical treatments etc where the set point has to be reached gradually in a predetermined time Once the instrument has reached the first Set Point SP1 it is possible to have automatic switching to the second Set Point SP2 after a set time thus obtaining a simple automatic process cycle These functions are available for all the programmable controls PID single and double action ON OFF and Neutral Zone ON OFF The function is determined by the following parameters SLor Gradient of first ramp expressed in unit minute SLoF Gradient of second ramp expressed in unit minute dur t Dwell time of Set Point SP1 before automatic switching to Set Point SP2 expressed in hrs and min The functions are deactivated when the relative parameters are InF If is desired only one ramp ex to reach SP1 it is enough to program on the par SLor the desired value The ramp SLor it will always active at power on and when the Active Set Point value is changed PV U nit SP 1 change SP1 Value If it is des
11. rot 550 10 500 0 1 08 OFSt 550 1 08 x 500 10 By using par FiL it is possible to program time constant of the software filter for the input value measured in order to reduce noise sensitivity increasing the time of reading In case of measurement error the instrument supplies the power as programmed on par OPE This power will be calculated according to cycle time programmed for the PID controller while for the ON OFF controllers the cycle time is automatically considered to be equal to 20 sec e g In the event of probe error with ON OFF control and OPE 50 the control output will be activated for 10 sec then it will be deactivated for 10 sec and so on until the measurement error remains By using par InE it is also possible to decide the conditions of the input error allowing the instrument to give the power programmed on par OPE as output The possibilities of par InE are Or the condition occurs in case of over range or probe breakage Ur the condition occurs in case of under range or probe breakage TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 4 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com OUr the condition occurs in case of over range or under range or probe breakage Using par diSP located in the group PAn it is possible to set normal vi
12. time on the output 2 rEG activation independently by the temperature control request The protection is a delayed after deactivation type The instrument carries out an ON OFF control with symmetric This protection permits to avoid the output activation for a time hysteresis if Cont On FS or with asymmetrical hysteresis if Cont On FA ON Yj off WY HEAt On FS CooL On FS The control works in the following way in the case of reverse action or heating FunC HEAt it deactivates the output when the process value reaches SP HSEt in case of symmetrical hysteresis or SP in case of asymmetrical hysteresis and is then activated again when the process value goes below value SP HSEt Vice versa in case of direct action or cooling Func CooL it deactivates the output when the process value reaches SP HSEt in case of symmetrical hysteresis or SP in case of asymmetrical hysteresis and is activated again when the process value goes above value SP HSEt 1 rEG 4 4 NEUTRAL ZONE ON OFF CONTROL 1 rEG 2 rEG All the parameters referring to Neutral Zone ON OFF control are contained in the group rEG programmable on par CPdt expressed in sec the output activation will occurs only after the elapsing of time CPdt The time programmed on parameter CPdt is counted starting from the last output deactivation Obviously whether du
13. value goes under the alarm threshold set on parameter AL1L or goes higher than the alarm threshold set on parameter AL1H and will be deactivated when it goes below the value AL1H HAL1 or when it goes above the value AL1L HAL1 LHdE DEVIATION BAND ALARM The alarm is activated when the process value goes below the value SP AL1L or goes above than the value SP AL1H and will be deactivated when it goes below the value SP AL1H HAL1 or when it goes above the value SP AL1L HAL1 Ab1 ALARM CONFIGURATION This parameter can assume a value between 0 and 31 The number to be set which will correspond to the function desired is obtained by adding the values reported in the following descriptions ALARM BEHAVIOUR AT SWITCH ON the alarm output may behave in two different ways depending on the value added to par Ab1 0 NORMAL BEHAVIOUR The alarm is always activated when there are alarm conditions 1 ALARM NOT ACTIVATED AT SWITCH ON If when switched on the instrument is in alarm condition the alarm is not activated It will be activated only when the process value is in non alarm conditions and then back in alarm conditions PV AL1 exemple with absolute low alarm ALARM DELAY the alarm output may behave in two different ways depending on the value added to par Ab1 0 ALARM NOT DELAYED The alarm is immediately activated
14. 12 60 mV or normalized signals 0 4 20 mA 0 1 V 0 1 5 V 0 2 10 V Normalized signals input impedance 0 4 20 mA 51 Q mV and V 1 MQ Output s Up to 2 outputs Relay SPDT 8 A AC1 3 A AC3 250 VAC or in tension to drive SSR 8mA 8VDC Auxiliary supply output 10 VDC 20 mA Max Electrical life for relay outputs 100000 operat Installation category II Measurement category Protection class against electric shock Class II for Front panel Insulation Reinforced insulation between the low voltage part power supply 115 230 V and relay outputs and front panel Reinforced insulation between the low voltage section Supply 115 230 V and relay outputs and the extra low voltage section input TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 11 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com SSR outputs Reinforced between power supply and relay No Overall accuracy 0 5 fs tc S 1 fs insulation between supply 12 V and input No insulation between Sampling rate 130 ms input and SSR outputs 7 2 MECHANICAL DATA Housing Self extinguishing plastic UL 94 VO Dimensions 33 x 75 mm depth 64 mm Weight 110 g approx Mounting Flush in panel in 29 x71 mm hole Connections 2 5 mm screw terminals block Degree of front panel protection IP 65 mounted in panel with gasket Pollution situation
15. 2 Operating temperature 0 50 C Operating humidity 30 95 RH without condensation Storage temperature 10 60 C 7 3 MECHANICAL DIMENSIONS PANEL CUT OUT AND MOUNTING mm 75 5 a w I T3030 Va MEEI Es ea a A 3 3 RECOMMENDED PANEL CUTOUT s amp BRACKETS TOPES 86 34 74 all alg lg BRACKET b TYPE 1 J 7 y y y y N 4 m 5 i 5 p g w m P 7 ea zE 2 n lt x asa pean wW a E Fam b p q z 2 p q g Z x 2 4 a Ce 7 4 FUNCTIONAL FEATURES Control ON OFF ON OFF Neutral Zone PID single Action PID TLK 38 PASSWORD 381 double action Measurement range according to the used probe see range table Display resolution according to the probe used 1 0 1 0 01 0 001 Display 4 Digit Red h 12 mm Compliance ECC directive EMC 2004 108 CE EN 61326 ECC directive LV 2006 95 CE EN 61010 1 Approvals C UL file n E206847 7 5 MEASURING RANGE TABLE INPUT dP 0 dP 1 2 3 te J 0 1000 C ETEA SEnS J 32 1832 F tc K 0 1370 C nef SEnS CrAl 32
16. 467 sales electracool com AL1t ALARM TYPE different ways LoAb ABSOLUTE LOW ALARM The alarm is activated when the process value goes below the alarm threshold set on parameter AL1 and will be deactivated when it goes above the value AL1 HAL1 With this mode is possible to program the minimum and the maximum set of AL1 by AL1L and AL1H parameters HiAb ABSOLUTE HIGH ALARM The alarm is activated when the process value goes higher than the alarm threshold set on parameter AL1 and will be deactivated when it goes below the value AL1 HAL1 With this mode is possible to program the minimum and the maximum set of AL1 by AL1L and AL1H parameters the alarm output can behave in six OUT AL LodE DEVIATION LOW ALARM The alarm is activated when the process value goes below the value SP AL1 and will be deactivated when it goes above the value SP AL1 HAL1 With this mode is possible to program the minimum and the maximum set of AL1 by AL1L and AL1H parameters HidE DEVIATION HIGH ALARM The alarm is activated when the process value goes above the value SP AL1 and will be deactivated when it goes below the value SP AL1 HAL1 With this mode is possible to program the minimum and the maximum set of AL1 by AL1L and AL1H parameters HdE LHAb ABSOLUTE BAND ALARM The alarm is activated when the process
17. TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 3 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com with permanent connection inside housing it is not equipped with either switches or internal devices to protect against overload of current the installation will include an overload protection and a two phase circuit breaker placed as near as possible to the instrument and located in a position that can easily be reached by the user and marked as instrument disconnecting device which interrupts the power supply to the equipment It is also recommended that the supply of all the electrical circuits connected to the instrument must be protect properly using devices ex fuses proportionate to the circulating currents It is strongly recommended that cables with proper insulation according to the working voltages and temperatures be used Furthermore the input cable of the probe has to be kept separate from line voltage wiring If the input cable of the probe is screened it has to be connected to the ground with only one side Whether the instrument is 12 V version it s recommended to use an external transformer TCTR or with equivalent features and to use only one transformer for each instrument because there is no insulation between supply and input We recommend that a check should be made that the parameters are those desired and that the application functions correctly before connecting t
18. UP or DOWN keys it is then possible to roll over the selections OPEr to enter into the operating parameters menu Once the desired item has been selected push key P to confirm Selecting OPEr and ConF gives the possibility of accessing other menus containing additional parameters and more precisely OPEr Operating parameters Menu this normally contains the Set Point parameters but it can contain all the desired parameters see par 2 3 ConF Configuration parameters Menu this contains all the operating parameters and the functioning configuration parameters alarm configuration control input etc FEG H P ga m a Hold for Al 2sec 1 PEPE r Es fp oper A 7 F pols aaa pl SET ConF Con ii P PASSWORD P AY 1 arene OFF OFF HH Hore A AUTOTUNING a ELA i SELFTUNING tunk HHP eae Al Va E45 OPLO aeo rHaeLo y To enter the menu ConF select the option ConF press the key P and the display will show 0 At this request enter using keys UP and DOWN the number reported on the last page of this manual and push key P If an inco
19. alized analogue signals 0 1 V 0 1 5 V 0 2 10 V Depending on the model using par SEnS it s possible to select the type of input probe which can be for thermocouples J J K CrAL S S or for infrared sensors serie TECNOLOGIC IRTC1 with linearization J Ir J or K Ir CA for thermoresistances Pt100 IEC Pti or thermistors PTC KTY81 121 Ptc or NTC 103AT 2 ntc all the measurements it is possible to operate the calibration on any two points In this case in order to decide which values to program on par OFSt and rot the following formulae must be applied rot D2 D1 M2 M1 OFSt D2 rot x M2 where M1 measured value 1 D1 visualisation value when the instrument measures M1 M2 measured value 2 D2 visualisation value when the instrument measures M2 It then follows that the instrument will visualise DV MV x rot OFSt where DV visualised value MV measured value Example 1 It is desired that the instrument visualises the value effectively measured at 20 but that at 200 it visualises a value lower than 10 190 Therefore M1 20 D1 20 M2 200 D2 190 rot 190 20 200 20 0 944 OFSt 190 0 944 x 200 1 2 Example 2 It is desired that the instrument visualises 10 whilst the value actually measured is 0 but at 500 it visualises a 50 higher value 550 Therefore M1 0 D1 10 M2 500 D2 550
20. ate programmed on the parameter high humidity levels or dirt that may create condensation or and vice versa introduction of conductive substances into the instrument Ensure Automatically the instrument swaps into rEG state at the and of adequate ventilation to the instrument and avoid installation in the auto tuning execution containers that house devices which may overheat or which may When switched on the instrument automatically reassumes the cause the instrument to function at a higher temperature than the state it was in when it was last switched off one permitted and declared Connect the instrument as far away as AUTOMATIC CONTROL rEG Automatic control is the normal possible from sources of electromagnetic disturbances such as functioning state of the controller motors power relays relays solenoid valves etc During automatic control it is possible to visualize the control power on the display by pushing key UP 3 3 ELECTRICAL CONNECTION The range of the power values goes from H100 100 of the output Carry out the electrical wiring by connecting only one wire to each power with reverse action to C100 100 of the output power with terminal according to the following diagram checking that the direct action power supply is the same as that indicated on the instrument and that the load current absorption is no higher than the maximum electricity current permitted As the instrument is built in equipment TECNOLOGIC spa
21. atically to every change of Set Point or at the end of programmed Soft Start cycle The Autotuning will start at the condition that the process value is lower with Func HEAt than SP SP 5 or higher with Func CooL than SP SP 5 6 Exit from the parameter programming 7 Connect the instrument to the controlled plant 8 Activate the Auto tuning by switch off and turn on the instrument if Auto 1 or 2 or by selecting par tunE in the main menu or by correctly programming key U At this point the Auto tuning function is activated and is indicated by the flashing led AT ST The regulator carries out several operations on the connected plant in order to calculate the most suitable PID parameters If at the Auto tuning start the condition for the lower or higher process value is not found the display will show ErAt and the instrument will be swapped to normal control conditions according to the previously programmed parameters To make the error ErAt disappear press key P The Auto tuning cycle duration has been limited to 12 hours maximum If Auto tuning is not completed within 12 hours the instrument will show noAt on the display In case of probe error the instrument automatically stops the cycle in progress The values calculated by Auto tuning are automatically stored in the instruments memory at the end of the correct PID parameters tuning Note The instrument is alr
22. dication led ON alarm OFF Enter group ILbA and program which output the alarm signal has to be addressed to on par OLbA The Loop Break alarm is activated if the output power remains at the 100 of the value for the time programmed on par LbAt expressed in sec To avoid false alarms the value of this parameter has to be set considering the time the plant takes to reach the Set point when the measured value is a long distance from it for example at the plant start up On alarm intervention the instrument visualizes the message LbA and behaves as in the case of a measurement error giving a power output as programmed on par OPE programmable in the group InP To restore normal functioning after the alarm select the control mode OFF and then re program the automatic control rEG after checking the correct functioning of probe and actuator To exclude the Loop Break alarm set OLbA OFF 4 12 FUNCTIONING OF KEY U The function of key U can be set through par USrb contained in the group PAn The parameter can be programmed as noF no function tunE Pushing the key for 1 sec at least it is possible to activate deactivate Auto tuning or Self tuning OPLO Pushing the key for 1 sec at least it is possible to swap from automatic control rEG to manual one OPLO and vice versa Aac Pushing the key for 1 sec at least it is possibl
23. e output programmed as 1 rEG while the element causing a negative increase has to be connected to the output programmed as 2 rEG The Double Action PID control works on the outputs 1 rEG and 2 rEG depending on the active Set Point SP and on the instrument s PID algorithm with two degrees of freedom In order to obtain good stability of the process variable in case of fast processes the cycle times tcr1 and tcr2 have to have a low value with a very frequent intervention of the control outputs In this case use of solid state relays SSR to drive the actuators is recommended The Double Action PID control algorithm needs the programming of the following parameters Pb Proportional Band ter1 Cycle time of the output 1 rEG ter 2 Cycle time of the output 2 rEG Int Integral Time rS Manual Reset if Int 0 only dEr Derivative Time FuOC Fuzzy Overshoot Control Prat Power Ratio or relation between power of the element controlled by output 2 rEG and power of the element controlled by output 1 rEG If par Prat 0 the output 2 rEG is disabled and the control behaves exactly as a single action PID controller through output 1 rEG 4 7 AUTOTUNING AND SELFTUNING FUNCTIONS All the parameters referring to the AUTO TUNING and SELF TUNING functions are contained in the group rEG The AUTO TUNING and SELF TUNING functions permit the automatic tuning of the PID contro
24. e to acknowledge the alarm see par 4 10 ASi Pushing the key for 1 sec at least it is possible to acknowledge an active alarm see par 4 10 CHSP Pushing the key for 1 sec at least it is possible to select one of the 4 pre programmed Set Points on rotation OFF Pushing the key for 1 sec at least it is possible to swap from automatic control rEG to OFF control OFF and vice versa 4 13 PARAMETERS CONFIGURATION BY KEY01 The instrument is equipped with a connector that allows the transfer from and toward the instrument of the functioning parameters through the device TECNOLOGIC KEY01 with 5 poles connector This device it s mainly useable for the serial programming of the instruments which need to have the same parameters configuration or to keep a copy of the programming of an instrument and allow its rapid retransmission To use the device KEY01 instrument are being supplied To transfer the configuration of an instrument into the device UPLOAD it is necessary to proceed in the following way 1 position both dip switch of KEY 01 in the OFF mode 2 connect the device to the instrument TLK plugging the special connector 3 verify that the instrument or the device are supplied 4 observe the indication led on the device KEY 01 if it results green this means that a configuration is already loaded on the its necessary that the device or device while if it results green blinking or red blinking this m
25. eady programmed in our factory to carry out auto tuning at first instrument switch on Auto 2 To activate the SELF TUNING function proceed as follows 1 Program and activate the desired Set Point 2 Program par Cont Pid 3 Program par Func according to the process to be controlled through output 1 rEG 4 Program an output as 2 rEG if the instrument controls a dual action plant TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 6 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com Program par SELF yES Exit from the parameter programming Connect the instrument to the controlled plant 8 Activate Self tuning selecting par tunE in the main menu or by correctly programming key U When the Self tuning function is active the led AT ST is permanently lit up and all the PID parameters Pb Int dEr etc are no longer visualized Note It s always preferable tuning the instrument using the Autotuning and to activate the Selftuning after because the tuning through Selftuning is more slow 5 6 7 To stop the Auto tuning cycle or deactivate the Self tuning function select one of the control types rEG OPLO or OFF from the menu SEL If the instrument is switched off during Auto tuning or with the Self tuning function activated these functions will remain activated the next time it is switched on 4 8
26. eans that it has not been loaded any valid configuration on the device 5 press the button placed on the device 6 observe the indication led after having pressed the button the led becomes red and therefore at the end of the data transfer it becomes green 7 now it is possible to disconnect the device To transfer the configuration loaded on the device onto an instrument of the same family DOWNLOAD it is necessary to proceed in the following way 1 position both dip switch of KEY 01 in the ON mode 2 connect the device to an instrument TLK having the same features of the one from which has been downloaded the desired configuration plugging the special connector 3 verify that the instrument or the device are supplied 4 observe the indication led on the device KEY 01 it has to result green because if the led results green blinking or red blinking this means that on the device it has not been downloaded any valid configuration and therefore it s useless to continue 5 if the les results green press the button placed on the device 6 observe the indication led after having pressed the button the led becomes red and therefore at the end of the data transfer it becomes green 7 now it is possible to disconnect the device Instrument supplied and device not supplied SUPPLY aaaea Q gt Instrument suppli
27. ed The alarm outputs are instead working normally BUMPLESS MANUAL CONTROL OPLO By means of this option it is possible to manually program the power percentage given as output by the controller by deactivating automatic control When the instrument is swapped to manual control the power percentage is the same as the last one supplied and can be modified using the UP and DOWN keys As in the case of automatic control the programmable values range from H100 100 to C100 100 To return to automatic control select rEG in the selection menu 2 5 ACTIVE SET POINT SELECTION This instrument permits pre programming of up to 4 different Set points SP1 SP2 SP3 SP4 and then selection of which one must be active The maximum number of Set points is determined by the par nSP located in the group of parameters ISP The active Set point can be selected by parameter SPAt in the group of parameters JSP by key U if par USrb CHSP Automatically between SP1 and SP2 if a time dur t see par 4 8 has been programmed Set Points SP1 SP2 SP3 SP4 will be visible depending on the maximum number of Set Points selected on par nSP and they can be programmed with a value that is between the value programmed on par SPLL and the one programmed on par SPHL Note in all the following examples the Set point is indicat
28. ed as SP however the instrument will act according to the Set point selected as active 3 INFORMATION ON INSTALLATION AND USE 3 1 PERMITTED USE The instrument has been projected and manufactured as a measuring and control device to be used according to EN61010 1 for the altitudes operation until 2000 ms The use of the instrument for applications not expressly permitted by the above mentioned rule must adopt all the necessary protective measures The instrument CANNOT be used in dangerous environments flammable or explosive without adequate protection The installer must ensure that EMC rules are respected also after the instrument installation if necessary using proper filters Whenever a failure or a malfunction of the device may cause dangerous situations for persons thing or animals please remember that the plant has to be equipped with additional devices which will guarantee safety 3 2 MECHANICAL MOUNTING The instrument in case 33 x 75 mm is designed for flush in panel mounting Make a hole 29 x 71 mm and insert the instrument fixing it with the provided special bracket We recommend that the gasket By using the key U on the keyboard suitably programming par is mounted in order to obtain the front protection degree as USrb USrb tunE USrb OPLO USrb OFF it is possible declared Avoid placing the instrument in environments with very to pass from rEG state to the st
29. ed from the device aa Wane ee SUPPLY ADAPTER vooroor nooo nee 12 VDC AC SUPPLY For additional info please have a look at the KEYO1 instruction manual 5 PROGRAMMABLE PARAMETERS Here following are described all the parameters available on the instrument Some of them could be not present or because they are depending on the type of instrument or because they are automatically disabled as unnecessary Group SP parameters relative to the Set Point Par Description Range Def Note 1 nSP Number of the 1 4 1 programmable Set point 2 SPAt Active Set point 1 nSP 1 3 SP1 Set Point 1 SPLL SPHL 0 4 SP2 Set Point 2 SPLL SPHL 0 5 SP3 Set Point 3 SPLL SPHL 0 6 SP4 Set Point 4 SPLL SPHL 0 7 SPLL Low Set Point 1999 SPHL 1999 8 SPHL High Set Point SPLL 9999 9999 TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 9 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com Group InP parameters relative to the measure input
30. he outputs to the actuators so as to avoid malfunctioning that may cause irregularities in the plant that could cause damage to people things or animals Tecnologic S p A and its legal representatives do not assume for normalised signals in current 0 20 mA 0 20 or 4 20 mA 4 20 for normalised signals in tension 0 1 V 0 1 0 5 V 0 5 1 5 V 1 5 0 10 V 0 10 or 2 10 V 2 10 for normalised signals in tension 0 50 mV 0 50 0 60 mV 0 60 12 60 mV 12 60 We recommend to switch on and off the instrument when these parameters are modified in order to obtain a correct measuring For the instruments with input for temperature probes tc rtd it s possible to select through par Unit the unit of measurement C F and through par dP Pt100 PTC and NTC only the desired resolution O 1 1 0 1 Instead with regards to the instruments with normalised analogue input signals it is first necessary to program the desired resolution on par dP 0 1 1 0 1 2 0 01 3 0 001 and then on par SSC the value that the instrument must visualise at the beginning of the scale 0 4 mA 0 12 mV 0 1 V o 0 2 V and on par FSC the value that the instrument must visualise at the end of the scale 20 mA 50 mV 60 mV 5 V or 10 V The instrument allows for measuring calibration which may be used to recalibrate the instrument according to application needs by using par OFSt and rot
31. ired an automatic cycle from the power on instead it is necessary to program the par nSP 2 to program the two Set Point values SP1 and SP2 and naturally to program the par SLor dur t and SLoF with the desired values In this case at the end of the cycle all the ramps won t be more active time min PV U nit SP1 AUTO change Set time min Examples with starts from values lower than SP and with decreasing of SP Note In case of PID control if Auto tuning is desired whilst the ramp function is active this will not be carried out until the tuning cycle has been completed It is therefore recommended that Auto tuning be started avoiding activating the ramp function and once the tuning is finished deactivate Auto tuning Auto OFF program the desired ramp and if it automatic tuning is desired enable the Self tuning function 4 9 SOFT START FUNCTION All the parameters referring to the Soft Start functioning are contained in the group rEG The Soft Start function only works through PID control and allows the limitation of control power when the instrument is switched on for a programmable period of time This is useful when the actuator driven by the instrument may be damaged excess power supplied when the application is not yet in the normal rating ex for certain heating elements The function depends on the following parameters St P Sof
32. ller The AUTO TUNING function permits the calculation of thePID parameters by means of a FAST type tuning cycle and at the end of this operation the parameters are stored into the instrument s memory and remain constant during control 1 Program and activate the desired Set Point 2 Program par Cont Pid 3 Program par Func according to the process to be controlled through output 1rEG 4 Program an output as 2 rEG if the instrument controls a plant with double action 5 Program par Auto as 1 if auto tuning is desired automatically each time the instrument is switched on on the condition that the process value is lower with Func HEAt than SP SP 2 or higher with Func CooL than SP SP 2 2 if auto tuning is desired automatically the next time the instrument is switched on on the condition that the process value is lower with Func HEAt than SP SP 2 or higher with Func CooL than SP SP 2 and once the tuning is finished the par Auto is automatically swapped to the OFF state 3 if manual auto tuning is desired by selecting par tunE in the main menu or by correctly programming key U as USrb tunE The Autotuning will start at the condition that the process value is lower with Func HEAt than SP SP 5 or higher with Func CooL than SP SP 5 4 if it s desired to activate the autotuning autom
33. mming par Cont On FS or On FA and works on the output programmed as 1 rEG depending on the measure on the active Set Point SP on the functioning mode Func and on the hysteresis HSEt This type of control can be obtained when 2 outputs are programmed respectively as 1 rEG and 2 rEG and the par Cont nr The Neutral Zone control is used to control plants in which there is an element which causes a positive increase ex Heater humidifier etc and an element which causes a negative increase ex Cooler de humidifier etc The control functions works on the programmed outputs depending on the measurement on the active Set Point SP and on the hysteresis HSEt The control works in the following way it deactivates the outputs when the process value reaches the Set Point and it activates the output 1 rEG when the process value goes below value SP HSEt or it activates the output 2 rEG when the process value goes above SP HSEt Consequently the element causing a positive increase has to be connected to the output programmed as 1 rEG while the element causing a negative increase has to be connected to the output rogrammed as 2 rEG PV OUT 1 rEG heating OUT 2 rEG cooling If 2 rEG output is used to control compressor is possible to use the Compressor Protection function that has the meaning to avoid compressor short cycles This function allows a control by
34. nstrument is equipped with a 3 LED programmable shift indexes The instrument provides for the storage of 4 Set Points and can have up to 2 outputs relay type or can drive solid state relays type SSR Depending on the model required the input accept C Thermocouples temperature probes J K S and TECNOLOGIC IRS Infrared sensors mV signals 0 50 60 mV 12 60 mV Thermoresistances PT100 E Thermocouples temperature probes J K S and TECNOLOGIC IRS Infrared sensors mV signals 0 50 60 mV 12 60 mV Thermistors PTC and NTC normalized analogue signals 0 4 20 mA V normalized analogue signals 0 1 V 0 1 5 V 0 2 10 V Other important available functions are Loop Break Alarm function reaching of the Set Point at controlled speed ramp and dwell TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 1 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com function Soft Start function protection compressor function for ConF to enter into the configuration parameters menu neutral zone control parameters protection on different levels OFF to swap the regulator into the OFF state rEG to swap the regulator into the automatic control state 1 2 FRONT PANEL DESCRIPTION tunE to activate the Auto tuning or Self tuning function OPLO to swap the regulator to the manual control state and therefore to program the control value using the
35. r OPE and activates the desired alarms if the relative parameters ALni have been programmed yES 6 2 CLEANING We recommend cleaning of the instrument with a slightly wet cloth using water and not abrasive cleaners or solvents which may damage the instrument 6 3 GUARANTEE AND REPAIRS The instrument is under warranty against manufacturing flaws or faulty material that are found within 12 months from delivery date The guarantee is limited to repairs or to the replacement of the instrument The eventual opening of the housing the violation of the instrument or the improper use and installation of the product will bring about the immediate withdrawal of the warranty s effects In the event of a faulty instrument either within the period of warranty or further to its expiry please contact our sales department to obtain authorisation for sending the instrument to our company The faulty product must be shipped to TECNOLOGIC with a detailed description of the faults found without any fees or charge for Tecnologic except in the event of alternative agreements 7 TECHNICAL DATA 7 1 ELECTRICAL DATA Power supply 12 VAC VDC 24 VAC VDG 100 240 VAC 10 Frequency AC 50 60 Hz Power consumption 4 VA approx Input s 1 input for temperature probes tc J K S infrared sensors TECNOLOGIC IRS J e K RTD Pt 100 IEC PTC KTY 81 121 990 Q 25 C NTC 103AT 2 10KQ 25 C or mV signals 0 50 mV 0 60 mV
36. r SP F Active Set SP o Operative Set AL1 AL1 threshold AL2 AL2 threshold 63 AdE Shift value for the shift OFF 9999 2 index functioning 64 Edit Set Fast program SE AE SAE SE Active Set can be SAE SAnE modified while the alarm thresholds cannot be modified AE Active Set cannot be modified while the alarm thresholds can be modified SAE Active Set and alarm thresholds can be modified SAnE Active Set and alarm thresholds cannot be modified Error Reason Action Probe interrupted Verify the correct uuuu The measured variable connection between probe is under the probe s and instrument and then limits under range verify the correct oooo The measured variable functioning of the probe is over the probe s limits _ over range ErAt Auto tuning not Push key P in order to possible because the make the error message process value is too disappear Once the error higher or too lower has been found try to repeat the auto tuning noAt Auto tuning not Check the functioning of finished within 12 probe and actuator and try hours to repeat the auto tuning LbA Loop control Check the working of interrupted probe and actuator and Loop break alarm swap the instrument to rEG control ErEP Possible anomaly of Push key P the EEPROM memory In error conditions the instrument provides an output power as programmed on pa
37. ring the time delay caused by the compressor protection function the regulator request should stop the output activation foreseen after time CPdt would be erased The function is not active programming CPdt OFF The led relative to 2 rEG output blinks during the phases of output activation delay caused by Compressor Protection function 4 5 SINGLE ACTION PID CONTROL 1 rEG All the parameters referring to PID control are contained in the group rEG The Single Action PID control can be obtained by programming par Cont Pid and works on the output 1 rEG depending on the active Set Point SP on the functioning mode Func and on the instrument s PID algorithm with two degree of freedom In order to obtain good stability of the process variable in the event of fast processes the cycle time tcr1 has to have a low value with a very frequent intervention of the control output TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 5 Pollock Industries Inc toll free 1 866 665 5434 603 888 2467 sales electracool com In this case use of a solid state relay SSR is recommended for driving the actuator The Single Action PID control algorithm foresees the setting of the following parameters Pb Proportional Band ter1 Cycle time of the output 1 rEG Int Integral Time rS Manual Reset if Int 0 only dEr Deriva
38. rm Out normally opened ALnc Alarm Out normally closed ALni Alarm Out normally closed with reverse led func 20 O2F Functioning of output 2 1 rEG 2 rEG ALno see O1F ALno ALnc ALni OFF Group AL1 parameters relative to alarm AL1 Par Description Range Def Note 22 OAL1 Output where alarm Out1 Out2 Out2 AL1 is addressed OFF 23 AL1t Alarm AL1 type LoAb HiAb LoAb LoAb Absolute Low LHAb LodE HiAb Absolute High HidE LHdE LHAb Absolute Band LodE Deviation Low HidE Deviation High LHdE Deviation Band 24 Ab1 Alarm AL1 functioning 0 31 0 1 not activated at power on 2 delayed 4 latch 8 aknowledged 16 not activated at Set change Dev Al 25 AL1 Alarm AL1 threshold AL1L AL1H 0 26 AL1L Low threshold band 1999 AL1H 1999 alarm AL1 or Minimum set alarm AL1 for high or low alarm 27 AL1H High threshold band AL1L 9999 9999 alarm AL1 or Maximum set alarm AL1 for high or low alarm 28 HAL1 Alarm AL1 hysteresis OFF 9999 1 29 AL1d Activation delay of OFF 9999 OFF alarm AL1 sec 30 AL1i Alarm AL1 activation in no yES no case of measuring error Group AL2 parameters relative to alarm AL2 Par Description Range Def Note 31 OAL2 Output where alarm Out1 Out2 OFF AL2 is addressed OFF 32 AL2t Alarm AL2 type LoAb HiAb LoAb see ALIt LHAb LodE HidE LHdE 33 Ab2 Alarm AL2 functioning 0 31 0 see Ab1 34 AL2
39. rrect password is entered the instrument exit from programming mode f the password is correct the display will visualise the code identifying the first group of parameters SP and with keys UP and DOWN it will be possible to select the desired group of parameters Once the desired group of parameters has been selected the code identifying the first parameter of the selected group will be visualised by pushing the P key Again using the UP and DOWN keys it is possible to select the desired parameter and if the key P is pressed the display will alternatively show the parameter s code and its programming value which can be modified by using the UP or DOWN keys Once the desired value has been programmed push key P once more the new value will be memorised and the display will show only the code of the selected parameter By using the UP or DOWN keys it is then possible to select a new parameter if present and modify it as described above To select another group of parameters keep the UP or DOWN key pressed for approx 2 sec afterwards the display will return to visualise the code of the group of parameters Release the key and by using the UP and DOWN keys it will be possible to select a new group To exit the programming mode no key should be pressed for approx 20 seconds or keep the UP or DOWN pressed until exit
40. s also programmable in the menu OPEr To modify the visibility of the parameter push key U the LED SET will change its state indicating the parameter accessibility level on menu OPEr and ConF off menu ConF only The active Set Point and the alarm thresholds will only be visible on the Set Point fast programming level described in par 2 1 if the relative parameters are programmed to be visible i e if they are present in the menu OPEr The possible modification of these Sets with the procedure described in par 2 1 is instead subordinate to what is programmed in par Edit contained in the group PAn This parameter can be programmed as SE The active Set Point can be modified while the alarm thresholds cannot be modified AE The active Set Point cannot be modified while the alarm thresholds can be modified SAE Both the active Set Point and the alarm thresholds can be modified SAnE Both the active Set Point and the alarm thresholds cannot be modified 2 4 CONTROL STATES The controller can act in 3 different ways automatic control rEG control off OFF and manual control OPLO The instrument is able to pass from one state to the other by selecting the desired state from the main selection menu suing the keyboard CONTROL OFF OFF The instrument can be swapped into the OFF state i e the control and the relative outputs are deactivat
41. sualization of the display which can be the process variable dEF the control power Pou the active Set Point SP F the Set Point operating when there are active ramps SP o or alarm threshold AL1 or AL2 AL1 AL2 Again in the group PAn the par AdE is present that defines the 3 led shift index functioning The lighting up of the green led indicates that the process value is within the range SP AdE SP AdE the lighting up of the led indicates that the process value is lower than SP AdE and the lighting up of the led indicates that the process value is higher than SP AdE 4 2 OUTPUTS CONFIGURATION The instrument s outputs can be programmed by entering the group of parameters Out where the relative parameters O1F and O2F depending on the number of outputs available on the instrument are located The outputs can be set for the following functions Main control output 1 rEG Secondary control output 2 rEG Alarm output normally open ALno Alarm output normally closed ALnc Alarm output normally closed with led reverse indication ALni Output deactivated OFF The coupling outputs number outputs number alarms can be made in the group referring to the alarm to the alarm AL1 IAL2 4 3 ON OFF CONTROL 1 rEG All the parameters referring to the ON OFF control are contained in the group rEG This type of control can be obtained by progra
42. t the parameters relative to the outputs required as alarm O1F O2F programming the parameter relative to the desired output as follows ALno if the alarm output has to be ON when the alarm is active while it s OFF when the alarm is not active ALnc if the alarm output has to be ON when the alarm is not active while it s OFF when the alarm is active ALni if the alarm output has to be ON when the alarm is not active while it is OFF when the alarm is active but with reverse led indication led ON alarm OFF Note In all the examples that follow is made reference to the alarm AL1 Naturally the operation of the other alarms results analogous Have now access at the group AL1 and program on par OAL1 to which output the alarm signal has to be sent The alarm functioning is instead defined by parameters AL1t ALARM TYPE Ab1 ALARM CONFIGURATION AL1 ALARM THRESHOLD AL1L LOW ALARM THRESHOLD for band alarm OR MINIMUM SET OF AL1 ALARM THRESHOLD for low or high alarm AL1H HIGH ALARM THRESHOLD for band alarm OR MAXIMUM SET OF AL1 ALARM THRESHOLD for low or high alarm HAL1 ALARM HYSTERESIS AL1d ALARM ACTIVATION DELAY in sec AL1i ALARM BEHAVIOUR IN THE EVENT OF MEASUREMENT ERROR TECNOLOGIC spa TLK 38 OPERATING INSTRUCTIONS Vr 03 ISTR 06519 PAG 7 Pollock Industries Inc toll free 1 866 665 5434 603 888 2
43. t Start power SSt Soft Start time expressed in hh mm HSEt End Soft Start cycle threshold If both parameters are programmed with values other than OFF when switched on the instrument gives an output power as programmed on par St P for the time programmed on par SSt or when is reached the absolute value programmed at par HSEt Practically the instrument works in manual condition and switches to automatic control at the elapsing of time SSt or when is reached the absolute value programmed at par HSEt To disable the Soft Start function simply program par SSt OFF Whenever a measurement errors occurs during the Soft Start execution the function is interrupted and the instrument gives an output power as programmed on par OPE If the measurement is restored the Soft Start is still deactivated If it s desired to activate the Autotuning with Soft Start set par Auto 4 The Autotuning will start automatically at the end of programmed Soft Start cycle at the condition that the process value is lower with Func HEAt than SP SP 5 or higher with Func CooL than SP SP 5 4 10 ALARMS OUTPUTS FUNCTIONS AL1 AL2 The alarms AL1 AL2 are depending on the process value and before to set his functioning it s necessary to establish to which output the alarm has to correspond to First of all its necessary to configure in the parameters group lOu
44. tive Time FuOC Fuzzy Overshoot Control This last parameter allows the variable overshoots at the start up of the process or at the changing of the Set Point to be avoided Please remember that a low value on this parameter reduces the overshoot while a high value increase it The SELF TUNING function rule based TUNE IN instead allows control monitoring and the continuous calculation of the parameters during control Both functions automatically calculate the following parameters Pb Proportional Band ter1 Cycle time of the output 1rEG Int Integral Time dEr Derivative Time FuOC Fuzzy Overshoot Control and for the Double Action PID control also ter 2 Cycle time of the output 2rEG Prat Power Ratio P 2 rEG P 1 rEG To activate the AUTO TUNING function proceed as follows 1 Value FuOC OK 2 Value FuOC too high 3 Value FuOC too low 4 6 DOUBLE ACTION PID CONTROL 1 rEG 2 rEG All the parameters referring to PID control are contained in the group rEG The Double Action PID control is used to control plants where there is an element which causes a positive increase ex Heating and an element which causes a negative increase ex Cooling This type of control can be obtained when 2 outputs are programmed respectively as 1 rEG and 2 rEG and the par Cont Pid The element causing a positive increase has to be connected to th
45. uning Fast enable OFF 2 OFF Not active 1 2 3 4 1 Start each power on 2 Start at first power on 3 Start manually 4 Start after Soft Start or change Set Point 47 SELF Selftuning enable no yES no 48 Pb Proportional band 0 9999 50 49 Int Integral time OFF 9999 200 sec 50 dEr Derivative time OFF 9999 50 sec 51 FuOc Fuzzy overshoot control 0 00 2 00 0 5 52 ter1 Cycle time of output 0 1 130 0 20 0 1 rEG sec 53 Prat Power ratio 2 rEg 0 01 99 99 1 00 1 rEG 54 ter2 Cycle time of 2 rEG 0 1 130 0 10 0 sec 55 rS Manual reset 100 0 100 0 0 0 56 SLor Gradient of first ramp 0 00 99 99 InF InF Ramp not active _ InF unit min 57 dur t Duration time between 0 00 99 59 InF two ramps InF InF Time not active hrs min 58 SLoF Gradient of second 0 00 99 99 InF ramp InF InF Ramp not active unit min 59 St P Soft Start power 100 100 0 60 SSt Soft Start time OFF 0 1 7 59 OFF InF hrs min Group PAn parameters relative to the user interface Par Description Range Def Note 61 USrb Functioning of key U noF tunE noF noF No Function OPLO Aac tune Start Autotuning ASi CHSP or Selftuning OFF OPLO Manual Control open loop Aac Reset Alarms latch ASi Aknowledged Alarms OFF Control OFF 62 diSP Variable visualized on dEF Pou dEF the display SP F SP o dEF Process Value AL1 AL2 Pou Control Powe
46. when the alarm condition occurs 2 ALARM DELAYED When the alarm condition occurs delay counting begins as programmed on par AL1d expressed in sec and the alarm will be activated only after the elapsing of that time ALARM LATCH the alarm output may behave in two different ways depending on the value added to par Ab1 0 ALARM NOT LATCHED The alarm remains active in alarm conditions only 4 ALARM LATCHED The alarm is active in alarm conditions and remains active even when these conditions no longer exist until the correctly programmed key U USrb Aac has been pushed PV AL1 a time 0 Ab1 4 exemple with absolute high alarm ALARM AKNOWLEDGEMENT the alarm output may behave in two different ways depending on the value added to par Ab1 0 ALARM NOT AKNOWLEDGED The alarm always remains active in alarm conditions 8 ALARM AKNOWLEDGED The alarm is active in alarm conditions and can be deactivated by key U if properly programmed USrb ASi and also if alarm conditions still exist ALARM BEHAVIOUR AT SET POINT CHANGE DEVIATION ALARMS ONLY the alarm output may behave in two different ways depending on the value added to par Ab1 0 NORMAL BEHAVIOUR The alarm is always activated when there are alarm conditions 16 ALARM NOT ACTIVATED AT SET POINT CHANGE If when Set Point change the instrument is in alarm condition
47. within the range SP AdE SP AdE 11 Led Shift index indicates that the process value is higher than the one set on par AdE 2 PROGRAMMING 2 1 FAST PROGRAMMING OF THE SET POINT This procedure permits rapid programming of the active Set Point and possibly the alarm thresholds see par 2 3 Push key P then release it and the display will visualise SP n where n is the number of the Set Point active at that moment alternatively to the programmed value To modify the value press UP key to increase it or the DOWN key to decrease it These keys change the value one digit at a time but if they are pressed for more than one second the value increases or decreases rapidly and after two seconds in the same condition the changing speed increases in order to allow the desired value to be reached rapidly Once the desired value has been reached by pushing key P it is possible to exit by the fast programming mode or it is possible to visualise the alarm thresholds see par 2 3 To exit the fast Set programming it is necessary to push key P after the visualisation of the last Set Point or alternatively if no key is pressed for approx 15 seconds the display will return to normal functioning automatically 2 2 SELECTION OF THE CONTROL STATE AND PARAMETER PROGRAMMING By pushing key P and holding it down for approx 2 sec it is possible to enter into the main selection menu Using the
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