YOKOGAWA ADMAG TI Series

<Appendix 5. PID Block>
278
IM 01E21A02-03EN
Appendix 5. PID Block
ThePIDblockperformsthePIDcalculationbasedonthedeviationofthemeasuredvalue(PV)
fromthesetpoint(SP).
The PID block is generally used for constant-setpoint and tracking control.
A5.1 Functional Block Diagram
The functional block diagram of the PID block is shown below.
Setpoint OutputBypass
Input Filter
PID Control
Computation
Alarm
Processing
Mode Control
Feed-forward
Data Status
Management
Output Tracking
CAS_IN
BKCAL_OUT
RCAS_OUT
BKCAL_IN
ROUT_IN ROUT_OUTFF_VAL
RCAS_IN
TRK_IN_D
TRK_VAL
IN
OUT
PV
SP
FA0101.EPS