5-40
5.3 Output Instructions
5.3.9 Bit device output inversion
FF
5.3.9
Bit device output inversion
FF
F
unct
i
on
(1) Inverts the output status of the device specified for
when the execution command is
turned from OFF to ON.
O
p
erat
i
on
E
rror
No operation error occurs in the execution of the FF instruction.
FF
Executing condition
:
indicates the following instruction.
FF
Input argument,
EN:
Executing condition
:Bit
s:
Device number whose status to be inverted
:Bit
Output argument,
ENO:
Execution result
:Bit
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant
Others
DY
Bit
Word
Bit
Word
−
Device
Device status
Prior to execution of the FF instruction
After execution of the FF instruction
Bit device
OFF
ON
ON
OFF
Bit specification for word devices
0
1
1
0
U
n
i
versa
l
UD
Hi
g
h
Per
f
ormance
Structured ladder
ST
FF
EN
s
ENO
FF
(EN, s);
ENO:=
s
s
Summary of Contents for MELSEC Q Series
Page 1: ...Structured Programming Manual Mitsubishi Programmable Controller QCPU Common Instructions ...
Page 2: ......
Page 14: ...A 12 MEMO ...
Page 340: ...6 178 MEMO MTR ...
Page 708: ...7 368 MEMO ...
Page 776: ...8 68 MEMO ...
Page 796: ...9 20 MEMO ...
Page 804: ...App 8 MEMO ...
Page 812: ...Index 8 MEMO ...
Page 815: ......