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INSTRUCTION MANUAL 

 

Model 96VTR

 

¼ DIN Process Controller 

1. INTRODUCTION 

The 96VTR is a microprocessor-based device which can compare a process input 
(thermocouple, RTD, or analog input) to a user-programmable setpoint and adjust the 
process (via relay or analog outputs), to bring the process to the desired setpoint. This Three-
Mode PID controller offers: 
 

‰

 

Simultaneous Process Value (PV) and Setpoint Value (SV) display 

‰

 

Automatic alarm functions (11 in all) 

‰

 

Autotuning automatically tailors the controller's response to a specific process 

‰

 Security 

lock-out 

‰

 

Ramp-to-Setpoint and Soak functions 

‰

 Input 

selectability 

‰

 

Optional RS-485 PC interface  

 

 

99 Washington Street 
Melrose, MA 02176 

Phone

 781-665-

1400

Toll Free 1-800-517-8431

 

Visit us at www.T

estEquipmentDepot.com

Back to the 

Extech 96VTR

 Product Info Page

Содержание 96VTR

Страница 1: ...red setpoint This Three Mode PID controller offers Simultaneous Process Value PV and Setpoint Value SV display Automatic alarm functions 11 in all Autotuning automatically tailors the controller s res...

Страница 2: ...emperature 4 to 140 o F 20 to 60 o C Dimensions Cutout 3 58 x 3 58 0 02 91 0 x 91 0mm 0 5mm 2 2 Input Specifications Thermocouple inputs Programmable Types J K T E B R S N Cold Junction Compensation T...

Страница 3: ...Manual Reset 0 to 100 of Prop Band Hysteresis 0 0 to 25 5 of Full Scale 3 MOUNTING AND WIRING 3 1 Prepare a 3 58 x 3 58 0 02 91 0 x 91 0mm 0 5mm panel cutout refer to Fig 2 The panel on which the cont...

Страница 4: ...which the controller s output s will adjust the process To change the setpoint use the up down arrow keys The setting range equals the range the user selects in the LoLt Low Limit and HiLt High Limit...

Страница 5: ...ow each parameter title as you scroll through the list Also to activate an autotuning session press and hold this key for 5 seconds UP Arrow Key Increases the Setpoint SV and increments parameter data...

Страница 6: ...Then program the desired limit here Allowable setting range is limited by parameter LoLt and HiLt Low and High Limit settings 7 SECOND PROGRAMMING LEVEL PARAMETERS Press and hold the SCROLL and RETUR...

Страница 7: ...cked 14 same as 2 but levels 2 3 4 locked 9 same as 1 w levels 3 4 locked 15 same as 3 but levels 2 3 4 locked A1Fu Alarm 1 Function Select an Alarm Timer function from the function list in Appendix A...

Страница 8: ...OFF OFF ON ON 11 ON OFF ON ON 4 OFF ON OFF OFF 12 ON ON OFF OFF 5 OFF ON OFF ON 13 ON ON OFF ON 6 OFF ON ON OFF 14 ON ON ON OFF 7 OFF ON ON ON 15 ON ON ON ON Addr Controller address used with the RS...

Страница 9: ...alue which will display when a 4mA signal is applied to the controller For example for a 4 20mA unit to display from 50 to 150 set LoCA to 50 e Press and hold the RETURN key for at least 5 seconds and...

Страница 10: ...will extinguish The new Tuning values will now be stored in nonvolatile memory Adjustments can be made manually if desired in programming level 2 e To abort an Auto Tune process simply press and hold...

Страница 11: ...s outputs to maintain the desired limit programmed by the user A setting of zero defeats the Ramp to Setpoint function 11 2 Soak Timer Function for use with Alarm 1 only The Alarm 1 Soak Timer allows...

Страница 12: ...nce and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improp...

Страница 13: ...e Same as the Process Low Alarm but no relay action takes place until the process PV reaches the setpoint for a second time Standby sequence is also known as Startup Inhibit and is useful for avoiding...

Страница 14: ...nding upon the alarm type where no relay action can occur to eliminate relay chatter Act Action This is control output action Set to 1 for heating unit Set to 1 for o F dp decimal point Set to 0 for n...

Страница 15: ...which the controller s secondary cooling output is permitted to throttle between 0 and 100 Outside this region the controller s secondary output is either 0 above the band or 100 below the band Figure...

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