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9 CONTROL OPERATION INSTRUCTIONS
Control data
(1) Data specified in S.ONF3 instruction
Specified position
Symbol
Input
+0
S1
E1
data
+1
+0
D1
BW
+1
BB
Block
BB1
memory
+2
BB2
+0
PN
S2
+1
TRK
Operation
constant
+2 SVPTN
+1 MODE Operation mode
D2
Loop tag
*4
memory
+3
ALM
*1: The data of the item(s) where the values within the recommended range are given in the parentheses are stored by the system.
Users cannot set the data.
*2: Specify whether the set value (E2) is to be used or not.
*3: Specify whether the MV of the upper loop is to be used or not as the set value (E2).
*4: The loop tag memory and loop tag past value memory occupy a total of 128 words. (Refer to Section 3.3.1 for details.)
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Name
Input value
-999999 to 999999
Output value
(-999999 to 999999)
b15
b12
Operation result
(0, 0: 25
Operation result
(0, 1: BW
(1, 0: BW
0: Reverse operation
Operation mode
1: Forward operation
0: Without tracking
Tracking bit
1: With tracking
0 to 3
b15
b12
Set value
pattern
Set value pattern
0: E2 is upper loop MV
1: E2 is not upper loop MV
0 to FFFF
b15
b12
0 to FFFF
b15
b12
S
P
A
Alarm detection
SPA
0: Loop RUN
1: Loop STOP
*1
Recommended range
b8
b4
BW
75
)
25
)
75
)
b8
b4
*3
Set value used
0: E2 is used
1: E2 is not used
H
b8
b4
C
C
C
C
C
C
A
M
S
M
C
A
M
A
U
A
V
V
B
B
B
S
T
N
H
b8
b4
Unit
Data format
Real
%
number
Real
%
number
b0
B
B
B
B
2
1
BIN
16bit
BIN
16bit
BIN
16bit
b0
BIN
16bit
*2
b0
BIN
L
L
L
C
C
C
16bit
C
A
M
b0
BIN
16bit
MELSEC-Q
Standard
Store
value
U
S
S
0
U
0
U
3
U
8
S/U
H
4000
S/U
H
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