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MELSEC-Q
3 DATA USED FOR PROCESS CONTROL INSTRUCTIONS AND HOW TO
SPECIFY DATA
3.3.5 Loop tag memory allocation contents
The loop tag memory allocation contents are shown below.
BIN16bit
BIN16bit
BIN16bit
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Real number
Item Setting range
0 to FFFF
H
0 to FFFF
H
0 to FFFF
H
RL to RH
-10 to 110
RL to RH
-110 to 110
-10 to 110
-10 to 110
-999999 to 999999
-999999 to 999999
RL to RH
RL to RH
RL to RH
RL to RH
0 to 1
0 to 999999
0 to 999999
0 to 100
0 to 999999
0 to 100
0 to 100
0 to 999999
0 to 999999
0 to 999999
0 to 100
0 to 999999
-999999 to 999999
0 to 1
0 to 1
8
H
4000
H
4000
H
0.0
0.0
0.0
0.0
100.0
0.0
100.0
0.0
100.0
0.0
100.0
0.0
0.2
0.0
0.0
100.0
1.0
100.0
100.0
1.0
10.0
0.0
0.0
1.0
0.0
0.0
1.0
The standard value setting
4000
H
is shown when manual
operation is conducted using
the loop step status. Use 0000
H
D
M
L
A
S
E
A
L
L
A
P
L
A
D
P
N
A
M
H
A
S
P
A
O
O
P
A
H
H
A
P
H
A
D
P
P
A
D
V
L
A
M
L
A
(1) Shows the contents of the bit pack using the loop tag data.
(a) ALM
S.PHPL
S.OUT1
S.2PID
S.2PID
S.OUT1
S.OUT1
S.PHPL
S.PHPL
S.PHPL
S.PHPL
S.PHPL
S.PHPL
S.IN
S.PHPL
S.PHPL
S.PHPL
S.2PID
S.OUT1
S.2PID
S.2PID
S.2PID
S.2PID
S.2PID
S.2PID
S.OUT1
S.2PID
S.2PID
MODE
ALM
INH
PV
MV
SV
DV
MH
ML
RH
RL
PH
PL
HH
LL
HS
CTIM
DPL
CT
DML
DVL
P
I
D
GW
GG
MVP
b15 b12 b8 b4 b0b1b2b3b5b6b7b9b10b11b13b14
Instructions
used in loop tag
Show the number of
words from the loop
tag header
Abbreviated name
of each item
After setting some values are changed by
the numbers from the operation results.
(Highlighted areas)
Instruction
used
Offset
Standard
value setting
Data type
0
1
3
4
10
12
14
16
18
20
22
24
26
28
30
32
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
For PID control (S2PID loop)
All commonly set in the same
loop tag
Sets the offset position
for each instruction