Dear Team,

I have a problem in Redundant analog Output module.

I am unable to get proper output when one channel fails.

Request help.

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Split from S7-400 H and IO redundancy Problem .

Prats

Dear Team,

I have a problem in Redundant analog Output module.

I am unable to get proper output when one channel fails.

Request help.

 Hello Prats,

Please provide us with the part number of the analog output modules

Have you tested each module during the failure of the other?

You shall be sure the is no hardware or software configuration problem

Prats

Dear Team,

I have a problem in Redundant analog Output module.

I am unable to get proper output when one channel fails.

Request help.

------------------------------------------------------------------------------------------
Split from S7-400 H and IO redundancy Problem .

 Chapter 10 of this document is a must read for you

SIMATIC Fault-tolerant Systems S7-400H

HI Prats

In order to help you, please give more answers to the above questions. 

Is this first time to operate this redundant system or it was working and failed?

New question published by raminfathi is split to a separate thread with the subject Writing a program for a redundant analog card .

Best regards
The Helping Hand