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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
7 Basic Instruction
7.7 ANB
7.7 ANB
Outline
Use ANB instruction to connect a branch circuit (parallel circuit block) to the preceding circuit in series.
Use LD or LDI instruction at the start of branch. After completing a parallel circuit block, connect the parallel circuit
block to the preceding circuit in series by ANB instruction.
When there are many parallel circuits, ANB instruction can be used in each circuit block to connect them.
1. Instruction format
2. Applicable devices
Explanation of function and operation
1. ANB instruction (serial connection of multiple parallel circuits)
Caution
There is no limitation in the number of ANB instruction.
Though ANB instructions can be used at one time, note that the repeated use of LD or LDI instruction is limited to 8 or
less in the same way as ORB instruction.
Instruc-
tion
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G VZModifyKH E ""P
ANB There are no applicable devices.
AND Block
ANB
Basic Instruction
1 step
ANB
−
Continuous
Operation
Pulse (Single)
Operation
Mnemonic Operation Condition
Circuit program List program
ANB
X000 X002
Y007
ORB
OR instruction before ANB instruction
X001
X003
X004 X005
X006
X003
Parallel block
OR instruction after ANB instruction
ANB
LD
0000 LD X000
0001 OR X001
0002 LD X002 Branch start point
0003 AND X003
0004 LDI X004
0005 AND X005
0006 ORB Parallel block is completed.
0007 OR X006
0008 It is connected to the
0009 OR X003 preceding circuit in series.
0010 OUT Y007