Connection Instructions; Ladder Block Series Connections And Parallel Connections (Anb, Orb) - Mitsubishi MELSEC QCPU Programming Manual

5 SEQUENCE INSTRUCTIONS

5.2 Connection Instructions

5.2.1 Ladder block series connections and parallel connections (ANB, ORB)

Internal Devices
Set
(System, User)
Data
Bit Word
[Instruction Symbol] [Execution Condition]
ANB
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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Usable Devices
MELSECNET/10(H)
File Direct J \
Register
Bit Word
ANB
Block A Block B
Block A
Block B
QCPU
PLC CPU
Process CPU
Basic
High Performance
Special
Index
Function
Register
Module
Zn
U \G
ORB
1 contact parallel connections
use OR or OR1.
MELSEC-Q/QnA
QnA Q4AR
Constant
Other
K, H
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