Mitsubishi Electric MELSEC-Q/L User Manual

5 SEQUENCE INSTRUCTIONS
5.3 Output Instructions
167
5
Bit device output inversion
FF
Processing details
• Reverses the output status of the device designated by (D) when the execution command is turned OFF  ON.
Operation error
• There is no operation error in the FF instruction.
Program example
• The following program reverses the output of Y10 when X9 goes ON.
(D): Device number of the device to be reversed (bits)
Setting
data
Internal device R, ZR J\ U\G Zn Constant Others
DY
Bit Word Bit Word
(D)  
Device Device status
Prior to FF execution After FF execution
Bit device OFF ON
ON OFF
Word device bit designation 0 1
10
[Ladder Mode] [List Mode]
[Timing Chart]
Basic
Process
High
performance
Redundant Universal LCPU
Command
FF D
FF
Step
Instruction
Device
ON
X9
Y10
ON
OFF
OFF

Mitsubishi Electric MELSEC-Q/L Specifications

General

Series	MELSEC-Q/L
Category	Programmable Logic Controller (PLC)
Type	Modular
Input Voltage	100-240V AC or 24V DC (depending on model)
Power Supply	Modular, various options available to suit system requirements
Communication Protocols	Ethernet, CC-Link
Programming Language	Ladder Diagram (LD), Structured Text (ST), Function Block Diagram (FBD), Sequential Function Chart (SFC), Instruction List (IL)
Expansion Modules	I/O modules, analog modules, positioning modules, communication modules
Operating Temperature	0 to 55°C (32 to 131°F) (standard)
CPU Type	Various models available (e.g., QCPU, LCPU)