Omron E5*C Series User Manual page 204

5 Advanced Operations
 Three-position Control
• Set the PID ON/OFF parameter to onof and set the Standard or Heating/Cooling Parameter to
h-c to perform three-position control.
• A dead band (an area where the MV is 0) can be set for either heating or cooling control.
Reverse operation
Dead band
Hysteresis (heating)
Hysteresis (cooling)
ON
Cooling side
Heating side
OFF
PV
Set point
5 - 10 E5@C Digital Temperature Controllers User's Manual (H174)