DCU(Data Concentration Unit) collects busway meter information
Upsteam : 100Mbps Ethernet / Modbus TCP / 2 ports / OPC UA (optional)
Downstream : Single/Ring-bus (1Mbps / 2 ports, 48 maximum nodes)
Over-The-Air (OTA) : Meter firmware updates
Power : Redundancy 24 Vdc / 30 minute emergency battery power (optional)
Environmental characteristics : -10~70℃
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