S7-1200 PLC Connection Bug

Support
1

Hey Team,

Thanks for a great product!

I am currently using Factory I/O v2.5.5 Ultimate Edition

I normally configured a connection to my Siemens S7-1200 PLC (CPU 1212C AC/DC/Rly) via S7 PUT/GET.

I am independently fetching values with a python program connecting to the PLC via OPCUA. During the OPCUA connection, Factory I/O encounters connection issues. Any recommendations?

Please see attached image showcasing the same:

bug-maybe
bug-maybe1550×671 187 KB

BR,
Abhi

2

I have narrowed down the bug to the moment when an OPCUA client connect to the S7 PLC is called. Also confirmed the same bug in v2.5.6

3

To understand your bug correctly, you are connecting to your PLC from Factory I/O with PUT/GET and exchanging data, in the instant you connect to the PLC with OPCUA the connection of Factory I/O is dropped? Could you test if you can still connect to the PLC over PUT/GET using a different device, like maybe another S7-PLC?
Is there any error messages in the error buffer of the PLC?