Allen-Bradley Logix5000 Reference Manual page 335

Move/Logical Instructions (MOV, MVM, BTD, MVMT, BTDT, CLR, SWPB, AND, OR, XOR, NOT, BAND, BOR, BXOR, BNOT)
Description:
Arithmetic Status Flags:
Fault Conditions:
Condition
Prescan
Instruction first scan
Instruction first run
EnableIn is cleared
EnableIn is set
Postscan
The BOR instruction ORs as many as eight boolean inputs. If an input is not used, it
defaults to cleared (0).
Out = In1 OR In2 OR In3 OR In4 OR In5 OR In6 OR In7 OR In8
Not affected
None
Execution:
Function Block Action
No action taken.
No action taken.
No action taken.
EnableOut is cleared.
The instruction executes.
EnableOut is set.
No action taken.
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Chapter 7
335