675
Data Control Instructions
Section 3-18
3-18 Data Control Instructions
3-18-1 PID CONTROL: PID(190)
Purpose
Executes PID control according to the specified parameters.
Ladder Symbol
Variations
Applicable Program Areas
Parameters
The following diagrams show the locations of the parameter data. For details
on the parameters, refer to PID Parameter Settings in this section.
S: Input word
C: First parameter word
D: Output word
PID(190)
S
C
D
Variations
Executed Each Cycle for ON Condition
PID(190)
Executed Once for Upward Differentiation
Not supported.
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Not supported.
Block program areas
Step program areas
Subroutines
Interrupt tasks
Not allowed
OK
OK
Not allowed
Set value (SV)
Proportional band (P)
Integral constant (Tik)
Derivative constant (Tdk)
Sampling period (
τ
)
Forward/reverse designation
2-PID parameter (
α
)
Manipulated variable output setting
Output range
Integral and derivative unit
Input range
Manipulated variable output limit control
15
8
0
7
C+5
0
3 2
1
4
PID constant update timing designation
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
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Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...