Mitsubishi Electric MELSEC FX3U Programming Manual page 301

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2. 32-bit operation (DAND and DANDP)
The logical product (AND) operation is executed to the contents of [
units of bit, and the result is transferred to [
Command
input
FNC 26
DAND
• 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 [
automatically converted into the binary format.
• The logical product operation is executed in units of bit as shown in the table below (1 ∧ 1 = 1, 0 ∧ 1 = 0, 1
∧ 0 = 0, 0 ∧ 0 = 0).
Logical operation
(unit: bit)
+1,
D
S S D
S
1 2
S +1, S
1 1
0
1
0
1
10 Arithmetic and Logical Operation (+, −, ×, ÷) – FNC 20 to FNC 29
10.7 FNC 26 – WAND / Logical Word AND
+1,
S
1
].
D
∧
+1, +1,
S S S
1 1 2
D
+1,
S
1
+1, ] [
S S
1 1
S +1, S
2 2
0
0
1
1
] and [ +1,
S S S
1 2 2
→
+1,
D D
2
+1, ] does not change.
D
] [ +1, ] do not
S S S
1 2 2
+1, ], it is
S S
2 2
1: ON, 0: OFF
+1,
D D
DAND (FNC 26) instruction
0
0
0
1
299
1
] in
2
3
4
5
6
7
8
9
10