Allen-Bradley Logix5000

162 Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Chapter 4 Input/Output Instructions (MSG, GSV, SSV, IOT)
Rung-condition-in is true. The instruction executes.
The rung-condition-out is set to true.
N/A
Condition Relay Ladder Action Structured Text Action
Rung-condition-in is false.
(does not apply to structured text)
End
Rung-condition-out is
set to false.
Examine .EN Bit
.EN bit = 1
.EN Bit = 0
Examine .EW Bit
.EW bit = 1
.EW Bit = 0
Examine .ST Bit
.ST bit = 1
.ST Bit = 0
Examine .DN Bit
.DN bit =
.DN Bit = 0
Examine .DN Bit
.DN Bit = 1
.DN Bit = 0
Examine .ER Bit
.ER Bit = 1
.ER Bit = 0
.EN bit is cleared.
Examine .ER Bit
.ER Bit = 1
.ER Bit = 0
Block-transfer
Command
Module Path Valid
Yes
No
No
Execute message request.
.EW bit is set.
Module
Connection
Running
No
Yes
Yes
.ER bit is set.