Data Control Instructions - Omron CP - PROGRAMMING MANUAL 05-2007 Programming Manual

Data Control Instructions

3-17 Data Control Instructions
3-17-1 PID CONTROL: PID(190)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Parameters
This section describes instructions used to control specific operations.
Instruction
PID CONTROL
PID CONTROL WITH AUTOTUNING
LIMIT CONTROL
DEAD BAND CONTROL
DEAD ZONE CONTROL
TIME-PROPORTIONAL OUTPUT
SCALING
SCALING 2
SCALING 3
AVERAGE
Executes PID control according to the specified parameters.
PID(190)
S: Input word
S
C: First parameter word
C
D
D: Output word
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
Not allowed OK
The following diagrams show the locations of the parameter data. For details
on the parameters, refer to PID Parameter Settings in this section.
Mnemonic
PID
PIDAT
LMT
BAND
ZONE
TPO
SCL
SCL2
SCL3
AVG
Step program areas Subroutines
OK
Section 3-17
Function code Page
190 615
191 627
680 637
681 639
682 642
685 644
194 652
486 656
487 660
195 664
PID(190)
Not supported.
Not supported.
Interrupt tasks
Not allowed
615