5.6 PID Control Instruction (Exact Differential)
5.6.4 PIDPRMW instruction
5-185
5
QCP
U
IN
S
T
RUCTI
O
N
DE
TA
IL
S
PIDP
RMW
PIDPRMW
5.6.4
PIDPRMW instruction
PIDPRMW
Function
This instruction changes the operation parameter of the loop number specified by 'n' to the PID
control data stored in the devices starting from the device number specified by
.
(1) PID control data
*1 :
For the PID operational expressions set for Operational expression selection, refer to the following
manual.
QCPU(Q Mode)/QnACPU Programming Manual (PID Control Instructions)
PIDPRMW(P)
P: Executing condition
:
indicates any of the following
instructions.
PIDPRMW
PIDPRMWP
Input argument
EN:
Executing condition
:Bit
n:
Loop number to be changed
:ANY16
s:
Start number of the device that stores PID control data to be
changed
:ANY16
Output argument
ENO:
Execution result
:Bit
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant
K, H
Others
Bit
Word
Bit
Word
−
−
−
−
−
−
Device
Data item
Description
Setting range
Setting
side
Processing when the
setting data are outside the
setting range
With PID limits
Without PID
limits
+0
Operational
expression
selection
Select the PID
operational expression.
*1
0: Forward
operation
1: Reverse
operation
0: Forward
operation
1: Reverse
operation
User
An error occurs and the PID
operation for the
corresponding loop is not
performed.
+1
Sampling cycle
(T
S
)
Set the PID operation
cycle.
1 to 6000
(unit: 10ms)
1 to 6000
(unit: 10ms)
User
Structured ladder
ST
PIDPR
M
W
EN
ENO
n
s
PIDPR
M
W
(EN,
n
, s);
ENO:=
n
S
○
S
S
S
Содержание QCPU
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