5 SEQUENCE INSTRUCTIONS
5.3 Output Instructions
123
5
Inverting the bit device output
FF
This instruction reverses the output status of the device specified by (d) when the execution command changes from OFF to
ON.
■Descriptions, ranges, and data types
■Applicable devices
*1 Only the FX5 series intelligent function module can be used.
*2 T, ST, C cannot be used.
• This instruction reverses the state of the device specified by (d) when the execution command changes from OFF to ON.
There is no operation error.
Ladder diagram Structured text
ENO:=FF(EN,d);
Operand Remarks Range Data type Data type (label)
(d) Device number to be reversed Bit ANY_BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
(DY)
X, Y, M, L,
SM, F, B, SB
U\G T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U\G Z LC LZ K, H E $
(d)
*1
*2
Device Device status
Before execution of FF
instruction
After execution of FF
instruction
Bit devices OFF ON
ON OFF
Bit specification of word device 0 1
10
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