Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G ユーザーズマニュアル
325
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
12 Data Operation – FNC 40 to FNC 49
12.5 FNC 44 – BON / Check Specified Bit Status
11
FN
C
C
30
-FN
C
C
39
R
otati
on and
on and
Shi
ft
ft
12
FNC4
0-F
0-F
NC4
9
D
ata O
per
ati
per
ati
on
13
FN
C
C
50-FN
C
59
H
igh S
pe
ed
P
rocessing
14
FM
C
C
60-FN
C
69
H
andy
In
st
ru
ct
ion
15
FNC7
0-F
0-F
NC7
9
Ex
ter
nal FX
I/O
D
evice
16
FN
C
C
80-FN
C
89
Ext
ernal
FX
ernal
FX
De
vic
vic
e
17
FN
C
100-
FN
FN
C
10
9
Da
ta
Transf
er 2
er 2
18
FN
C
110-
FN
FN
C
139
Floati
ng Poi
nt
19
FN
C
14
0-F
N
C
149
Da
ta
O
per
at
at
ion 2
20
FN
C
150-
FN
FN
C
159
Posit
ioning
C
ont
ro
ro
l
12.5
FNC 44 – BON / Check Specified Bit Status
Outline
This instruction checks whether a specified bit position in a specified device is ON or OFF.
1. Instruction format
2. Set data
3. Applicable devices
S1: "D
.b" is available only in FX
3U
and FX
3UC
PLCs. However, index modifiers (V and Z) are not available.
S2: This function is supported only in FX
3U
/FX
3UC
PLCs.
Explanation of function and operation
1. 16-bit operation (BON and BONP)
The status (ON or OFF) of the bit "n" in
is output to
.
[When the bit "n" is ON,
is set to ON. When the bit "n" is OFF,
is set to OFF.]
• When a constant (K) is specified as the transfer source
, it is automatically converted into the binary format.
Operand type
Description
Data type
Word device number storing the source data
16- or 32-bit binary
Bit device number to be driven
Bit
n
Bit position to be checked
[n: 0 to 15 (16-bit instruction), 0 to 31 (32-bit instruction)]
[n: 0 to 15 (16-bit instruction), 0 to 31 (32-bit instruction)]
16- or 32-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3
3
3
3
3 3 3 3
S2
3 3
3
3 3
3 3
3
S1
3
n
3 3
3 3
DBON
DBONP
Mnemonic
Operation Condition
P
FNC 44
BON
D
16-bit Instruction
7 steps BON
BONP
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Pulse (Single)
Operation
32-bit Instruction
13 steps
Continuous
Operation
Pulse (Single)
Pulse (Single)
Operation
S
1
S
D
S
1
S
S
2
D
D
1
S
D
1
D
D
1
D
D
1
D
D
1
S
Command
input
FNC 44
BON
S
D
n
S
= ON/OFF status of bit "n"
D
(n = K0 to K15)
← n
S
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
b10
b11
b12
b13
b14
b15
0
1
0
0
1
1
1
1
1
0
1
0
1
0
0
0
K4
K5
K6
K7
K0
K1
K2
K3
K8
K9
K10
K11
K12
K13
K14
K15
D
0
1
1
bit device
n = 5
n = 8
n = 8
(OFF)
(ON)
(ON)