Rockwell kepserver6/12/2023 ![]() Have you tried Kepware technical support? Have you checked your cabling? Are you aware that trial version will stop after some time?Īs an alternative you can try Matrikon OPC servers. The only thing that made me angry was that after some trial time it stopped without warning all servers (including licenced ones) when I was evaluating one new OPC server I was supposed to try out. ![]() ![]() It will also save you $$$$$ if you use data from it in some historian like OsiSoft PI which charges per OPC server connections, since all Kepware OPC servers will show as single OPC server to Osisoft PI. Kepware OPC server is even able to use reserved PG connection for connection to Siemens PLCs (unlike Simatic OPC Server, this is good if you have limited number of connections like in CP343 LEAN version communication module). Actually, it was so nice that we decided to not use it only when it doesn't support the device we have (which is rare, and mostly happens when I have to develop custom OPC server). It was easy to set up and showed no problems during exploatation. I use Kepware OPC server for MODBUS TCP, Simatic S7 and Yokogawa for more then 5 years on 4 servers in industrial environment without any problems.
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