Parameter Change At Designated Loop - Mitsubishi Electric MELSEC-Q series Programming Manual

Parameter change at designated loop

Applicable CPU
QCPU
Programmable controller CPU
Basic High Performance
*1
 
*1 First five digits of serial No. are 04122 or later
*2 First five digits of serial No. are 05032 or later
[SET DATA]
■Description and data type
Set Data
(n)
S
■Usable device
Set Data Usable Devices
Internal Devices
(System, User)
Bit

(n)

S
[FUNCTIONS]
• Changes the operation parameter for the loop number designated by
starting with the device number designated by
• The configuration of the data for PID control which starts from the device number designated by
details on PID control data, see Section 5.1. ( Page 36 PID Control Data)
Setting data
+0
S
+1
S
+2
S
+3
S
+4
S
+5
S
+6
S
+7
S
+8
S
+9
S
+10
S
+11
S
+12
S
+13
S
8 INCOMPLETE DERIVATIVE PID CONTROL INSTRUCTIONS AND PROGRAM EXAMPLES
64
8.1 PID Control Instructions
Universal
*2

Description
Loop number for which change is to be made
First number of devices in which PID control data to be changed is stored
File Register
Word


Description
Selection of operational expression
Sampling cycle (T )
S
Proportional constant (K )
P
Integral constant (T )
I
Derivative constant (T )
D
Filter coefficient ()
MV lower limit (MVLL)
MV upper limit (MVHL)
MV change rate limit (MVL)
PV change rate limit (PVL)
0
Derivative gain (K )
D
0
0
Process CPU

MELSECNET/10 (H) Special
Direct J\ Function
Module
Bit Word
U\G


to the PID control data stored in the devices
S
.
S
LCPU
Redundant CPU
 
Data Type
16-bit binary
Index
Register Zn
is shown below.For
S
QnA Q4AR
 
Constant Other
K, H
 
 