kepserverex - PLC Programming & Automation

OPC UA PLC Integration: From PLC Tag to SCADA Client

September 12, 2026January 18, 2024 by PLC

Timing chart of an OPC UA subscription showing 250 ms sampling pulses, a PLC tag value change, and notifications leaving at the 1 second publishing interval

Connect a PLC to SCADA with OPC UA: KEPServerEX channels, the S7-1500 built-in server, certificate trust, subscription rates and why OPC DA kept breaking.

What is Kepware OPC?

September 13, 2026June 22, 2020 by Admin

plc programming kepserverex technology view 2 plc

Explains how Kepware OPC and KEPServerEX let you read data from multiple device brands and share it with other applications or a database.