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Ascon tecnologic TLK41, Manual

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Ascon tecnologic TLK41 Manual Download Page 17

17

"ALnt" – ALARM TYPE :

 It's possible to have 6 different behaviours of the alarm output.

LOAb = ABSOLUTE LOW ALARM: The alarm is activated when the process value goes under the alarm set on parameter
"ALn".

HIAb = ABSOLUTE HIGH ALARM: The alarm is activated when the process value goes higher than alarm set on parameter
"ALn".

LHAb = ABSOLUTE BAND ALARM: The alarm is activated when the process value goes under the alarm set on parameter
"ALn" or goes higher than alarm set on parameter "ALnH".

LOdE = DEVIATION LOW ALARM: The alarm is activated when the process value goes under [SP - ALn]

HIdE = DEVIATION HIGH ALARM: The alarm is activated when the process value goes higher than [SP + ALn]

LHdE = DEVIATION BAND ALARM: The alarm is activated when the process value goes under [SP - ALnL] or goes higher
than [SP + ALnH]

Summary of Contents for TLK41

Page 1: ...5 SINGLE ACTION PID CONTROLLER 4 6 DOUBLE ACTION PID CONTROLLER 4 7 AUTOTUNING AND SELFTUNING FUNCTIONS 4 8 REACHING OF SET POINT WITH CONTROLLED SPEED AND AUTOMATIC COMMUTATION BETWEEN TWO SET POINT...

Page 2: ...Break Alarm function Other important available functions are Loop Break Alarm function reaching of the Set Point at controlled speed ramp and dwell function Soft Start function PC configuration parame...

Page 3: ...he process value is lower than as programmed on par AdE 12 Led Shift index It indicates that the process value is within the range SP AdE SP AdE 13 Led Shift index It indicates that the process value...

Page 4: ...play is coming back to the normal functioning 2 2 SELECTION OF THE CONTROL STATE AND PARAMETERS PROGRAMMING Pushing key P and holding it pushed for approx 2 sec it s possible to enter into the main se...

Page 5: ...UP and DOWN the number reported on the last page of this manual and push key P Whether it s programmed a wrong password the instrument comes back onto the previous control state If the password is co...

Page 6: ...ing on the instrument automatically assumes the state it had at the switching off AUTOMATIC CONTROL rEG The automatic control is the normal functioning state of the controller During the automatic con...

Page 7: ...r SPAt in the parameters group SP Through key U if par USrb CHSP Automatically between SP1 and SP2 in case a time dur t see par 4 8 has been programmed Set Point SP1 SP2 SP3 SP4 will be visible depend...

Page 8: ...ousing by the front side is recommended to disconnect the power supply from the instrument when it s necessary to effectuate this operation 3 3 ELECTRICAL CONNECTION Carry out the electrical wiring co...

Page 9: ...nit of measurement C F and through par dP the desired resolution 0 1 1 0 1 As regard instead the instruments with normalised analogue input signals it s necessary first of all to program the desired r...

Page 10: ...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 2 or 3 AL1 AL2 or...

Page 11: ...n 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 it activates it again when the pr...

Page 12: ...element causing a negative increase has to be connected to the output programmed as 2rEG 4 4 SINGLE ACTION PID CONTROLLER 1rEG All the parameters referred to the PID control are contained into the gr...

Page 13: ...ng of the following parameters Pb Proportional Band tcr1 Cycle time of the output 1rEG tcr 2 Cycle time of the output 2rEG Int Integral Time rS Manual Reset if Int 0 only dEr Derivative Time FuOC Fuzz...

Page 14: ...PID parameters Whether Auto 1 or Auto 2 and whenever at the Autotuning start it s not verified the condition for which the process value is lower with Func HEAt or higher with Func CooL than SP 2 the...

Page 15: ...tioning is defined by the following parameters SLor Gradient of rise ramp Process value Set point expressed in unit minute SLoF Gradient of fall ramp Process value Set point expressed in unit minute d...

Page 16: ...the function is interrupted and the instrument gives an output power as programmed on par OPE If the measuring is restored the Soft Start is in any case deactivated Note When the Soft Start is active...

Page 17: ...m set on parameter ALn LHAb ABSOLUTE BAND ALARM The alarm is activated when the process value goes under the alarm set on parameter ALn or goes higher than alarm set on parameter ALnH LOdE DEVIATION L...

Page 18: ...on has come to pass it starts the counting of the delay as programmed on par ALnd expressed in sec and only after the elapsing of that time the alarm will be activated ALARM LATCH It s possible to hav...

Page 19: ...alarm is not active while it s deactivated when the alarm is active Enter then into group Hb and program on parameter OHb on which output the alarm signal has to be addressed The functioning mode of t...

Page 20: ...larms the value of this parameter has to be set considering the time the plant spends to reach the Set point when the measured value is far away from it for example at the plant start up At the alarm...

Page 21: ...connected with all the namesake terminals of the net For the wiring operation it s enough then to interlace a double cable telephonic type and to connect on ground all the GND terminals Nevertheless p...

Page 22: ...Probe type tc J CrAL S Ir J Ir CA rtd Pt1 Ptc ntc I 0 20 4 20 UoLt 0 50 0 60 12 60 0 5 1 5 0 10 2 10 J 11 SSC Low scale limit in case of input with V I signals 1999 FSC 0 12 FSC High scale limit in c...

Page 23: ...9999 sec OFF 41 AL2i Alarm AL2 activation in case of measuring error no yES no Group AL3 parameters relative to alarm AL3 Par Description Range Def Note 42 OAL3 Output where alarm AL3 is addressed Ou...

Page 24: ...9 InF unit min InF 72 dur t Dwell time 0 00 99 59 InF hrs min InF 73 SLoF Gradient of fall ramp 0 00 99 99 InF unit min InF 74 St P Soft Start power OFF 100 100 OFF 75 SSt Soft Start time OFF 0 1 7 59...

Page 25: ...5 V or 10 V dP NUMBER OF DECIMAL FIGURES It permits to decide if the measuring resolution has to be 1 0 0 1 1 0 01 2 0 001 3 In case of temperature probes the allowed resolutions are 1 0 and 0 1 1 Uni...

Page 26: ...witch on the instrument is in alarm conditions the alarm is not activated It will be activated only when the process value is out and back again in alarm conditions ALARM DELAY 0 ALARM NOT DELAYED The...

Page 27: ...eferred to alarm AL2 HAL2 ALARM AL2 HYSTERESIS Similar to HAL1 but referred to alarm AL2 AL2d ACTIVATION DELAY OF ALARM AL2 Similar to AL1d but referred to alarm AL2 AL2i ALARMAL2 ACTIVATION IN CASE O...

Page 28: ...e parameters relative to the Heater Break alarm heating element breakage This function is present only when the instrument is equipped with the input TAHB to measure the current absorbed by the load T...

Page 29: ...ATIVE TIME Derivative time to be programmed in the PID algorithm expressed in sec FuOc FUZZY OVERSHOOT CONTROL Parameter that permits to eliminate the variable over shoots at the start up of the proce...

Page 30: ...amp The output power starts from 0 and is progressively increased basing on the calculated ramp up to the reaching of time SSt or until when the power overcomes the power calculated by the PID control...

Page 31: ...value is within the range SP AdE SP AdE the lighting of the red led indicates that the process value is lower than the value SP AdE and the lighting of the red led indicates that the process value is...

Page 32: ...eG control ErEP Possible anomaly of the EEPROM memory Push key P In error conditions the instrument provides an output power as programmed on par OPE and activates the desired alarms if the relative p...

Page 33: ...s II for Front panel Insulation Reinforced insulation between the low voltage section supply and relay outputs and the front panel Reinforced insulation between the low voltage section supply and rela...

Page 34: ...nd 93 68 EN 61010 1 7 5 MEASURING RANGE TABLE INPUT without D P with D P tc J HCFG tc SEnS J 160 1000 C 256 1832 F 160 0 999 9 C 199 9 999 9 F tc K HCFG tc SEnS CrAl 270 1370 C 454 2498 F 199 9 999 9...

Page 35: ...TLK 41 a b c d e f g ii a POWER SUPPLY L 18 30 VAC VDC H 90 240 VAC b OUTPUT OUT1 R Relay O 20 mA 14 VDC x SSR c OUTPUT OUT2 R Relay O 20 mA 14 VDC x SSR d OUTPUT OUT3 R Relay O 20 mA 14 VDC x SSR e O...

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