Maple Systems MAPware-7000 - Manual (Page 119)

111 MAPware-7000 Ladder Logic Guide
1010-1041 rev. 00
Instruction 70- Double-word 2’s Complement
Expression:
Space Requirement: 1 line x 5 column Location Requirement: Middle, Right rail
Function:
When the input is ON, this instruction finds the 2’s complement value of double-word data
A+1×A, and stores it in B+1×B..
Execution Condition:
Input Operation Output
OFF No execution OFF
ON Execution ON
Operand:
Coil or Bit Register Constant Index
Name X Y B S T. C. M
X
W Y
W B
W S
W
T C D I J K
M
W
A Source √ √ √ √ √ √ √ √
B Destination √ √ √ √ √ √
Example:
When X007 is ON, the 2’s complement value (sign inverted data) of double-word register
BW41×BW40 is stored in double-word register D0051×D0050.
For example, if BW41×BW40 is -1234567890, the 2’s complement value 1234567890 is stored in
D0051×D0050.
Note:
- The data range of A+1× A is -2147483648 to 2147483647. If the data of A+1× A is -
2147483648, the same data -2147483648 is stored in B+1× B.