Redundancy functionality

Hello Experts,

I am using a S7 400H system with all IO in redundant mode. I have programmed my logic between RED_IN and RED_OUT. I am using RED_IO52 library.

I do know know where to call RED_DEPA. There is no clear information where and how to call this block. I have just called RED_DEPA in OB1 just before RED_IN block. Is this correct?

Can you also check if I am using all redundancy related blocks correctly?

My calling of redundancy blocks in different OBs:

(Different DBs for each RED_DIAG)

OB1: RED_DEPA, RED_IN, RED_OUT

OB71: RED_INIT, RED_DIAG

OB82: RED_DIAG

OB83: RED_DIAG

OB85: RED_DIAG

OB86: RED_DIAG

OB100: after end of my logic RED_INIT

OB102: after end of my logic RED_INIT

I am not using RED_STAT block. I use SFC51 for module status. like removed, error etc.

I always get "Redundant I/O: Analog input channel error event ID 16#7982 also 16#7981" in diagnostic buffer. what is the reason?

I am testing the panel without any signal connected to it. Diagnostic buffer is attached.

Hi pradhan135 , 

For event id 16#7982 you can check this thread if you like : 

https://support.industry.siemens.com/tf/WW/en/posts/event-id-16-7982-redundant-i-o-analog-input-channel-error/172925?page=0&pageSize=10

Could you post the complete log here ?

OmegaProjects

Could you post the complete log here ?

 I have already attached the complete diagnostic buffer in my previous post.