DE20 Instruction Manual
TABLE OF CONTENTS
DE20 Digital Temperature Control
7010 Lindsay Drive • Mentor, Ohio 44060 • Phone: 440-974-1300
USA/CN: 800-621-1998 • Fax: 440-974-9561 • www.process-technology.com
Specifications....................................................................1
General Description.........................................................2
Installation Procedure.....................................................2
Overtemperature Protection...........................................3
Set Point & Features.........................................................4
Alarm Feature.....................................................................4
Error Conditions................................................................4
Error Messages.................................................................4
Power and Relay Wiring....................................................5
2 Wire RTD Sensor Calibration.......................................6
Resistance Signal Calibration.......................................7
3 Wire RTD Calibration..................................................7
Thermocouple Calibration.............................................8
Voltage Signal Calibration..............................................8
Current Input Calibration.................................................9
Frequency Signal Calibration.....................................10
Configuration (Setup)....................................................10
Main Menu Summary.....................................................10
Sensor Type (U1).............................................................11
Signal Offset (U2)...........................................................11
Signal Filter Setting (U4)..................................................11
Set Point Dead Band (U5) .........................................12
Display Stabilizer (U8)...................................................12
Set Point Limit (L)..........................................................12
Heating or Cooling Switch (F2).....................................12
Alarm On/Off Switch (F3)..............................................13
Unit Display Enable (F4)..................................................13
Temperature Units Conversion (F5)............................13
Sensor DIP Switch Settings........................................13
Electrical Noise and Interference.................................13
Illustration of a Typical Heater Installation in a
Process Tank ...................................................................14
M-33-01-02 02/17/11
