Mitsubishi MELSEC-Q/L User Manual

154
FF
[Timing Chart]
: Device number of the device to be reversed (bits)
Function
(1) Reverses the output status of the device designated by when the execution command is turned OFF ON.
Operation Error
(1) There is no operation error in the FF instruction.
Program Example
(1) The following program reverses the output of Y10 when X9 goes ON.
[Ladder Mode] [List Mode]
[Timing Chart]
5.3.9 FF Bit device output inversion
5.3.9 FF
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn Constants
Other
DY
Bit Word Bit Word
––
Device
Device Status
Prior to FF Execution After FF Execution
Bit device
OFF ON
ON OFF
Bit designated for word device
01
10
X9 OFF
M9 OFF
ON
ON
1 scan
Basic
Process
High
performance
Redundant Universal LCPU
Command
FF D
FF
D
D
D
Step
Instruction
Device
ON
X9
Y
10
ON
OFF
OFF

Mitsubishi MELSEC-Q/L Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q/L
Category	Controller
Language	English