800xA 5.1 MMS Communication failure
Hiii,
Communication variables are not working properly in 800xA 5.1 RevD FP4 RU2. The status of the communication variables are 16#20000. What could be the reason?
It is happening only in some controllers on the same network.
I have attachecd the clock synchronisation status.
Please suggest a solution
Asked 2 years ago
Voted best answer
1
There is a "Product Bulletin" with issue number
800xACON-CN-5110-049
which i believe describes your case, only solution is to restart (reset) the controller to get the communication working again.
AC 800M Controller Firmware, Version 5.1.0-x, 5.1.1-1 to 5.1.1-3 and 6.0.0-0, IAC
Communication might be Disturbed after Cold or Init Application Download to IAC Client
Answers
1
16#20000 means "In Var copy ext timeout" Error. Is it possible to re-download the application in receiver controller?
0
I have downloaded the controllers. changed the variables but still have the same issue
Answered 2 years ago
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