Mitsubishi Electric FX3G SERIES Programming Manual page 290

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2. 32-bit operation (DOR and DORP)
The logical sum (OR) operation is executed to the contents of [
and the result is transferred to [
Command
input
FNC 27
DOR
• While the command input is OFF, the data of the transfer destination [
• While the command input is ON, the data of the transfer source [
change.
• When a constant (K) is specified in the transfer source [
converted into binary format.
• The logical sum operation is executed in units of bit as shown in the table below (1 ∨ 1 = 1, 0 ∨ 1 = 1,
0 ∨ 0 = 0, 1 ∨ 0 = 1).
Logical operation
(unit: bit)
288
+1, ].
D D
D
S S
1 2
S S
+1,
1 1
0
1
0
1
10 Arithmetic and Logical Operation (+, −, ×, ÷) – FNC 20 to FNC 29
10.8 FNC 27 – WOR / Logical Word OR
S +1, S ] and [
1 1
S S ∨ S
+1, +1,
1 1 2
D +1,
S +1, S
1
S +1, S ] [ S
1 1 2
S S
+1,
2 2
0
0
1
1
S +1, S ] in units of bit,
2 2
S → D D
+1,
2
D ] does not change.
] [ S +1, S ] do not
1 2 2
+1, S ], it is automatically
2
1: ON, 0: OFF
D +1, D
DOR (FNC 27) instruction
0
1
1
1