Hello:

We have some machines including 3 S210 (200 W) connected to a Drive Controller with Profinet. One of these machines, wich has been working about 6 months, had an issue yesterday.

After a power off, and power on, one of the S210 was not running. The alarm was in the Drive Controller "

I had to download again the parameters from TIA PORTAL V17, from hardware configuration to S210. Then, the alarms dissappeared and the machine could run again. We checked with another power - off and power on and everything was ok. 

The alarm:

"error: error on associated device (pair) - wrong associated device (pair) plc_1 / plc_1.profinet interface_1.port_2"

Any idea??

Best regards. ​

Hello,

which device is at the port the error code describes?

If there is a SINAMICS S210 you need to have a look into Online&diagnostics of the drive to see if there are any error codes.

The other needed information is described in the following link: 

https://support.industry.siemens.com/cs/ww/en/view/109813254