Data Control Instructions - Omron CS1G/H-CPUxxH Instructions Manual

Data Control Instructions

3-18 Data Control Instructions
3-18-1 PID CONTROL: PID(190)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Parameters
Executes PID control according to the specified parameters.
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.
Set value (SV)
Proportional band (P)
Integral constant (Tik)
Derivative constant (Tdk)
Sampling period ( τ)
15 8
C+5
2-PID parameter (α)
Manipulated variable output limit control
PID(190)
S
S: Input word
C
C: First parameter word
D
D: Output word
Step program areas Subroutines
OK
7 4 3 2 1 0
0
Forward/reverse designation
PID constant update timing designation
Manipulated variable output setting
Output range
Integral and derivative unit
Input range
Section 3-18
PID(190)
Not supported.
Not supported.
Interrupt tasks
Not allowed
675