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1.3
Control Functions
PID Control
Heating/cooling Control
1-4
PID control is a general control using the PID control-related parameters.
► 8.2.1 PID Control
Recorder
Retransmission
output
TC
Electric
furnace
Heating/cooling control is available only for Heating/cooling type.
In Heating/cooling control, the controller outputs the result of control computation after
splitting it into heating-purpose and cooling-purpose signals.
► 8.2.3 Heating/cooling Control
Cooling (relay signal)
(4-20 mA DC signal)
Heating unit
Cooling
water
TC
UT35A/UT32A
Alarms
4-20 mA DC
SCR
Thyristor
UT35A/UT32A
Heating
PV
SCR
Thyristor
IM 05P01D31-01EN
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