RKC INSTRUMENT RB Series - Function Block 51 (F)

8. PARAMETER DESCRIPTION
IMR02C15-E4
8-124
Dummy
Function block 51 (F51)
This is the first parameter symbol of Function block 51 (F51).
F51
Direct/Reverse action
This parameter setting is only a for PID control with Autotuning (AT).
Data range Factory set value
0: Direct action
1: Reverse action
Based on model code
 Description of function
 PID control (direct action)
The Manipulated output value (MV) increases as the Measured value (PV) increases.
This action is used generally for cool control.
 PID control (reverse action)
The Manipulated output value (MV) decreases as the Measured value (PV) increases.
This action is used generally for heat control.
F51.
oS
MV MV
Direct action
PV PV
Reverse action