Article - CS279207
Unable to Connect to S7-200/300/400/1200/1500 PLC via TCP/IP Ethernet in PTC Kepware Products
Modified: 25-Oct-2024
Applies To
- Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.16
- ThingWorx Kepware Server (legacy) 8.0 to 6.16
Description
- When using the Siemens TCP/IP Ethernet Driver, KEPServerEX is unable to connect to an S7-200, 300, S7-400, S7-1200 or S7-1500 PLC
- Cannot connect to S7-300 device using on-board ethernet port
- Unable to read tag value updates from device S7-300
- I'm able to ping the S7-1200 network IP from the server.
- Tags I try to set up on this device just return Quality: "Bad" in the OPC Quick Client
This is a printer-friendly version of Article 279207 and may be out of date. For the latest version click CS279207