User manual

High−level Instructions
3 − 736
Description
Takes the absolute value of real number data specified by S when the trigger turns on. The result (absolute
value) is stored in D+1 and D.
Real number
data
15 0
D:
Real number
data
Lower word
D+1:
Higher word
15 0
S:
Lower word
S+1:
Higher word
Specifying the integer device with [S], the integer data is internally converted to real numbers before
operations continue.
When the constant K is specified in [S], the operations are the same as when a integer device is specified.
Precaution during programming
For FP0, this instruction F336 (FABS) cannot be programmed in the interrupt program.
Flag conditions
・Error flag (R9007): Turns on and stays on when:
・Error flag (R9008): Turns on for an instant when:
− The area specified using the index modifier exceeds the limit.
− If data other than real number data is specified in S+1 and S.
・= flag (R900B): Turns on when result of processing is recognized as “0.”
・Carry flag (R9009): Turns on for an instant when the result is overflowed.