AB plc 1769-L18ER-BB1B Fault

dineshdhav

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Join Date
Sep 2017
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Hi Friends


PLC-1769-L18ER-BB1B
Exapansion IO MODULES1734-3401 AMCI stepper module 4 nos

the above plc and modules used one project, all are running good. but when power up the plc, goes to fault mode
"" at least one required connection not established before going into run mode(code23) ""
it will cleared after go to
module properties and
module info
then press module reset on the 1734-3401 module .
otherwise this fault is not cleared ...

support please
Thanks
 

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