Loop Tag Memory Assignments - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Loop tag memory assignments

Loop tag memory assignments are explained below.
Ex.
Loop tag memory assignments for two-degree-of-freedom PID control (S2PID)
*1
Instruction used Offset
 +0

+1
 +3

+4
S.PHPL +10
S.OUT1 +12
S.2PID +14
S.2PID +16
S.OUT1 +18
S.OUT1 +20
S.PHPL +22
S.PHPL +24
S.PHPL +26
S.PHPL +28
S.PHPL +30
S.PHPL +32
S.IN +38
S.PHPL +40
S.PHPL +42
S.PHPL +44
S.2PID +46
S.OUT1 +48
S.2PID +50
S.2PID +52
S.2PID +54
S.2PID +56
S.2PID +58
S.2PID +60
S.OUT1 +62
S.2PID +64
S.2PID +66
*1 This is the number of words from the start of the loop tag.
*2 Values may change depending on the operation result.
For details on the loop tag memory assignments, refer to the following.
Page 2082 List of Loop Tag Memory Areas Used by Process Control Instructions
Common items
This section describes the common items in loop types.
■Alarm detection (ALM)
Alarm detection (ALM) indicates loop alarm information. The default setting is 4000H which indicates manual operation in loop
stop state. To enable auto alarm, set it to 0000H.
...
b15 b14 b11 b10 b9 b8 b7 b6 b5
Item Recommended
range
 
MODE 0 to FFFFH
ALM 0 to FFFFH
INH 0 to FFFFH
PV RL to RH
MV -10 to 110
SV RL to RH
DV -110 to 110
MH -10 to 110
ML -10 to 110
RH -999999 to 999999
RL -999999 to 999999
PH RL to RH
PL RL to RH
HH RL to RH
LL RL to RH

0 to 1
HS 0 to 999999
CTIM 0 to 999999
DPL 0 to 999999
CT 0 to 100
DML 0 to 100
DVL 0 to 100
P 0 to 999999
I 0 to 999999
D 0 to 999999
GW 0 to 100
GG 0 to 999999
MVP -999999 to 999999

0 to 1

0 to 1
b4 b3 b2 b1 b0
Standard Data type
value setting
 
*2
8H 16-bit unsigned binary
*2
4000H 16-bit unsigned binary
4000H 16-bit unsigned binary
*2
0.0 Single-precision real number
*2
0.0 Single-precision real number
0.0 Single-precision real number
*2
0.0 Single-precision real number
100.0 Single-precision real number
0.0 Single-precision real number
100.0 Single-precision real number
0.0 Single-precision real number
100.0 Single-precision real number
0.0 Single-precision real number
100.0 Single-precision real number
0.0 Single-precision real number
0.2 Single-precision real number
0.0 Single-precision real number
0.0 Single-precision real number
100.0 Single-precision real number
1.0 Single-precision real number
100.0 Single-precision real number
100.0 Single-precision real number
1.0 Single-precision real number
10.0 Single-precision real number
0.0 Single-precision real number
0.0 Single-precision real number
1.0 Single-precision real number
*2
0.0 Single-precision real number
0.0 Single-precision real number
1.0 Single-precision real number
11 PROCESS CONTROL INSTRUCTIONS
Remarks
Same values are
11
used for all
instructions in the
same loop tag
memory.
The offset values
are fixed for each
instruction.
1189
11.1 Overview