Allen-Bradley Logix5000 Reference Manual page 94

Chapter 2 Bit Instructions (XIC, XIO, OTE, OTL, OTU, ONS, OSR, OSF, OSRI, OSFI)
Condition
Prescan
Rung-condition-in is false
Rung-condition-in is true
Examine data bit.
Rung-condition-out is
set to false.
Postscan
94
Execution:
Relay Ladder Action
The rung-condition-out is set to false.
The rung-condition-out is set to false.
Data Bit = 0
Data Bit = 1
The rung-condition-out is set to false.
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Rung-condition-out
is set to true.
End