165
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
7 Basic Instruction
7.4 OR, ORI
1
In
troduct
io
n
2
Ov
e
rv
ie
w
3
In
st
ru
ct
ion
Li
st
4
D
evi
ce
s
in
De
ta
il
5
Speci
fied t
h
e
D
evi
ce &
C
onst
a
nt
6
Bef
o
re
Pr
ogr
a
m
m
ing
7
Bas
ic
In
st
ru
cti
o
n
8
FNC0
0
-FNC0
9
P
ro
g
ra
m F
lo
w
9
FNC1
0
-FNC1
9
M
ov
e
&
C
om
par
e
10
FNC
20-
FNC
2
9
Ar
ith.
&
Logi
c
O
per
at
io
n
5. Bit specification of data register (D)
A bit in data register (D) can be specified as a device used in OR and ORI instructions.
When specifying a bit in data register, input "."
after a data register (D) number, and then
input a bit number (0 to F) consecutively.
Only 16-bit data registers are available.
Specify a bit number as "0, 1, 2, ... 9, A, B, ...
F" from the least significant bit.
Example: In the example shown on the left,
OR contact is set to ON (becomes
conductive) or OFF (becomes non-
conductive) by the bit 3 of D0.
Errors
• When an I/O number used in OR or ORI instruction does not exist due to indexing, M8316 (Non-existing I/
O specification error) turns ON.
• When the device number of a device (M, T or C) other than I/O used in OR or ORI instruction does not
exist due to indexing, an operation error (error code: 6706) occurs.
Circuit program
List program
LD
OR
OUT
0000
0001
0002
X000
D0.3
Y000
Y000
D0.3
X000