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5 SEQUENCE INSTRUCTIONS
5.2 Association Instruction
5.2 Association Instruction
Ladder block series/parallel connection
ANB, ORB
These instructions AND or OR the A and B blocks, and use the result as the operation result.
■ANB
• This instruction ANDs the A and B blocks, and uses the result as the operation result.
• The symbol of this instruction is not NO contact symbol but a connection symbol.
■ORB
• This instruction ORs the A and B blocks, and uses the result as the operation result.
• This instruction connects the ladder blocks of two contacts or more in parallel. For parallel connection of only one contact,
use the OR and ORI instructions; there is no need to use this instruction.
• The symbol of this instruction is not NO contact symbol but a connection symbol.
There is no operation error.
Ladder diagram Structured text
Not supported.
ANB
ORB
A block B block
A block
B block
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