User`s manual
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MELSEC-Q
9 CONTROL OPERATION INSTRUCTIONS
Control data
(1) Data specified in S.ONF2 instruction
Specified position Symbol Name Recommended range
*1
Unit Data format
Standard
value
Store
Input data
S1
+0
+1
E1 Input value -999999 to 999999 %
Real
number
U
D1
+0
+1
BW Output value (-999999 to 999999) %
Real
number
S
BB
Block
memory
+2
BB1 Operation result
b15 b12 b8 b4 b0
B
B
1
(0: |BW| 50 )
(1: |BW| 50 )
BIN
16bit
S
S2
+0 PN Operation mode
0: Reverse operation
1: Forward operation
BIN
16bit
0U
+1 TRK Tracking bit
0: Without tracking
1: With tracking
BIN
16bit
0U
Operation
constant
+2 SVPTN
Set value
pattern
0 to 3
b15 b12 b8 b4 b0
Set value used
0: E2 is used
1: E2 is not used
Set value pattern
0: E2 is upper loop MV
1: E2 is not upper loop MV
*3 *2
BIN
16bit
3U
D2
+1 MODE Operation mode
0 to FFFF
H
b15 b12 b8
b4 b0
L
C
C
L
C
A
L
C
M
M
A
N
A
U
T
C
A
S
C
M
B
C
A
B
C
C
B
C
M
V
C
S
V
BIN
16bit
8
H
S/U
Loop
tag
memory
*4
+3 ALM Alarm detection
0 to FFFF
H
b15 b12 b8 b4 b0
S
P
A
SPA
0: Loop RUN
1: Loop STOP
BIN
16bit
4000
H
S/U
*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.)










