Control Block Diagram - Omron E5CK User Manual

CONTROL BLOCK DIAGRAM

Set point
limiter
Set point
Process/function
Control
Data
Temperature
input
Digital filter
Input shift
SP ramp
Control method
Control mode
ON/OFF
PID control
control
MV change
rate limiter
MV limiter
Error
Stop
Manual
Manipulated vari-
able at heating side
Analog input
Digital filter
Scaling
Input type
Process
value
ON/OFF control
3-position control
Heating Cooling
side
MV at PV
error
MV at stop
Manual MV
CONTROL BLOCK DIAGRAM
Heating and
Cooling control
Control mode
PID control
side
MV change
rate limiter
MV limiter
Dead band
Error
Stop
Manual
Manipulated vari-
able at cooling side
A--5