Mitsubishi Electric MELSEC-Q/L - Association Instructions; Ladder Block Series Connection, Ladder Block Parallel Connection

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5 SEQUENCE INSTRUCTIONS
5.2 Association Instructions
5.2 Association Instructions
Ladder block series connection, ladder block parallel connection
ANB, ORB
Processing details
■ANB
• Performs an AND operation on block A and block B, and takes the resulting value as the operation result.
• The symbol for ANB is not the contact symbol, but rather is the connection symbol.
• When programming in the list mode, up to 15 ANB instructions (16 blocks) can be written consecutively.
■ORB
• Conducts an OR operation on Block A and Block B, and takes the resulting value as the operation result.
• ORB is used to perform parallel connections for ladder blocks with two or more contacts. For ladder blocks with only one
contact, use OR or ORI; there is no need for ORB in such cases.
• The ORB symbol is not the contact symbol, but rather is the connection symbol.
• When programming in the list mode, it is possible to use up to 15 ORB instructions successively (16 blocks).
Operation error
• There is no operation error in the ANB or ORB instruction.
Setting
data
Internal device R, ZR J\ U\G Zn Constant Others
Bit Word Bit Word

Basic
Process
High
performance
Redundant Universal LCPU
ANB
Block A
Block B
Block A
ORB
Block B
ANB
ORB
For parallel connection of 1 contact,
OR or ORI is used.
Y10
X1
0
X3
X2
X4
X5
1LDX1
2 AND X2
3LDX3
4
OR
5
AND X4
6
ORB
Y10
0LDX0
X0
7 ANB
8 OUT
X5
[Ladder Mode]
[List Mode]