User`s manual

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MELSEC-Q
11 ARITHMETIC OPERATION INSTRUCTIONS
Control Data
(1) Data specified in S.ABS instruction
Specification 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 (0 to 999999)
Real
number
S
BB
BB1
Block
memory
+2
BB2
Judgment of
input value
(E1) sign
b15 b12 b8 b4 b0
B
B
2
B
B
1
When E1 0: BB1 1
When E1 0: BB2 1
When E1 0: BB1 BB2 0
BIN
16Bit
S
*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.
Processing contents
(1) The S.ABS instruction performs the following operation.
BW |E1|
(2) The sign of the input value 1 (E1) is judged and the result is output to BB1 and BB2.
E1 Status BB1 BB2
E1 01 0
E1 00 1
E1
00 0
Error
• When an operation error occurs Error code: 4100