Mitsubishi MELSEC QCPU - Connection Instructions

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MELSEC-Q/QnA
5 SEQUENCE INSTRUCTIONS
High Performance
QnA Q4AR
Basic
QCPU
PLC CPU
Process CPU
5.2 Connection Instructions
5.2.1 Ladder block series connections and parallel connections (ANB, ORB)
Usable Devices
Internal Devices
(System, User)
MELSECNET/10(H)
Direct J
\
Set
Data
Bit Word
File
Register
Bit Word
Special
Function
Module
U
\G
Index
Register
Zn
Constant
K, H
Other
[Instruction Symbol] [Execution Condition]
ANB
Block A
Block B
Block A
ORB
1 contact parallel connections
use OR or OR1.
Block B
A
NB
ORB
[Functions]
ANB
(1) Performs an AND operation on block A and block B, and takes the resulting value as the
operation result.
(2) The symbol for ANB is not the contact symbol, but rather is the connection symbol.
(3) When programming in the list mode, up to 15 ANB instructions (16 blocks) can be written
consecutively.
ORB
(1) Conducts an OR operation on Block A and Block B, and takes the resulting value as the
operation result.
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