Connection Instructionsladder Block Series Connection And Parallel Connection (Anb, Orb) - Mitsubishi MELSEC A1SCPU Handy Manual

;PROGRAMMING
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Connection instructions
Ladder block series connection and parallel connection (ANB, ORB)
(a) ANB
The AN8 instruction performs an AND operation for blocks A and block
B,
and uses it
as an operation result. The symbol of ANB is not a contact symbol but a connection
symbol. A maximum of 7 ANB instructions can be written consecutively.
Block A
For a paralie1 connection with only one
contact, use the OWORI instruction.
:b) ORB
The ORB instruction performs the OR operation of block A and block B, and uses it as
an operation result. The ORB instruction only performs parallel connection of circuit
blocks with two or more contacts. For parallel connection of circuit blocks with only one
contact, the OR and OR1 instructions should be used. The symbol of ORB is not a
contact symbol but a connection symbol. A maximum of 7 ORB instructions can be
written consecutively.
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