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Depending on the ET 200S CPU and communications modules installed, the device will support the Profibus, Profinet, Siemens TCP/IP, or Siemens MPI protocols. The IM151-8 PN/DP CPU supports both Profinet and Siemens TCP/IP.

Although device-specific support has not been added to KEPServerEX, the Siemens TCP/IP Ethernet driver can communicate with this device. When configuring the device in KEPServerEX, choose the S7-300 model.