Process Technology DQ15D Instruction Manual

Specifications .................................................................. 1
General Description ......................................................... 2
Installation .................................................................. 2
Over-temperature Protection. ............................................................ 3
Power and Relay Wiring .................................................................... 4
Set Point & Features .......................................................................... .4
Alarm Feature ...................................................................................... 5
Calibration ............................................................................................. 5
2 Wire RTD Sensor Calibration ........................................................ 6
3 Wire RTD Calibration ...................................................................... 7
Resistance Signal Calibration ........................................................... 8
Voltage Signal Calibration .................................................................. 9
Current Input Calibration ................................................................. 10
Frequency Signal Calibration ......................................................... 10
Thermocouple Calibration .............................................................. 11
4-20mA Process Output (Optional) .............................................. 12
Error Conditions ................................................................................ 13
Error Messages ................................................................................ 13
Configuration (Setup) ....................................................................... 14
Main Menu Summary...................................................................... 15
Sensor Type (U1) ............................................................................. 15
Signal Offset (U2) ............................................................................. 16
Output Signal Offset (U3) ................................................................ 16
Signal Filter Setting (U4) .................................................................. 16
Set Point 1 Dead Band (U5) ........................................................... 16
Set Point 2 Dead Band (U6) ........................................................... 17
Power Save Set Point Dead Band (U7) ...................................... 17
Display Stabilizer (U8) ...................................................................... 17
Set Point Limit (L) .............................................................................. 17
SP2 and U7 Disable (F1) ................................................................ 18
Alarm On/Off Switch (F3) ................................................................ 18
Unit Display Enable (F4) ................................................................. 18
Temperature Units Conversion (F5) ............................................. 18
Current Output Enable (F6) ............................................................ 18
Sensor DIP Switch Settings ........................................................... 19
Electrical Noise and Interference. .................................................. 20
Illustration of a Typical Heater
Installation in a Process Tank ......................................................... 20
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DQ15D/ T-DQ15D Instruction Manual
TABLE OF C O N T EN TS
DQ15D / T-DQ15D Digital Temperature Control

Process Technology DQ15D Specifications

Operating Environment

input range	-40 to 1000º F (-40 to 538º C)
operating temperature	-20 to 140º F (-33 to 60º C)
enclosure	NEMA 12 face suitable for panel mounting

Display

display type	LED
display digits	4 digit
display size	½” (nominal)

Power

supply voltage	85 to 240 VDC or VAC
supply frequency	50 through 400 Hz
power consumption	4VA

Control Outputs

SP1 set point	20A resistive @ 240 VAC maximum, 1 H.P. @ 240 VAC maximum
SP2 set point	2A resistive @ 240 VAC maximum, 1/20 H.P. @ 240 VAC maximum
output option	4-20 mA DC proportional to the process value