Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 29

■Heating-cooling PID control
The module operates as described below outside the setting range of "Adjustment sensitivity (dead band) setting" in
"Application Setting".
Condition
The temperature process value (PV) is below the lower limit of the
adjustment sensitivity (dead band)
The temperature process value (PV) is above the upper limit of the
adjustment sensitivity (dead band)
Temperature process value (PV)
Set value (SV)
Heating output
OFF
Cooling output
■Setting method
Set 0 (0 ()) in the following buffer memory areas.
• 'CH1 Proportional band (P) setting' (Un\G431) (Page 135 CH1 Proportional band (P) setting)
• 'CH1 Heating proportional band (Ph) setting' (Un\G431) (Page 136 CH1 Heating proportional band (Ph) setting)
Heating transistor output status
ON
OFF
ON
ON
OFF
Cooling transistor output status
OFF
ON
Adjustment sensitivity
(dead band)
Time
4 FUNCTION
4.3 Control Method
4
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