The merging unit is provided with an RJ-45 front port on the LHMI. This connector is mainly used for configuration and setting purposes. The rear port IP address and the corresponding subnet masks can be set via the WHMI. The front port uses a fixed IP address 192.168.0.254, and it also provides DHCP server to assign an IP address for the connected computer. The rear Ethernet interface has a factory default IP address 192.168.2.10 when the complete merging unit is delivered.
Different communication ports are available via optional communication modules. Ethernet RJ-45 and optical Ethernet LC are the two rear port Ethernet communication options. Rear port Ethernet is intended for station bus communication. Communication protocols used via Ethernet ports are IEC 61850-8-1 and IEC 61850-9-2 LE.
Note: If the protocol does not operate as expected, check that other serial protocols are not using the COM port.
Note: Use the correct Ethernet connectors in the merging unit with redundant communication protocols like HSR and PRP. merging units with HSR/PRP support have three Ethernet connectors and redundant Ethernet ports are marked as LAN A and LAN B. The third Ethernet port without any LAN marking works as an interlink port. Thus, an additional redundancy box is not needed. For example, laptops with PCM600 must be connected via a redundancy box to access a merging unit which is part of the HSR network.
Note: The redundant communication module has three operation modes: “Normal”, “HSR” and “PRP”. The operation mode can be changed from communication settings.
Note: For more information, see the communication protocol manuals and the technical manual.