5 Electrical Connection User Manual
NOTICE
MPLC networking is intended for medium voltage grid-connection. If low voltage
grid-connection is desired, observe the following two conditions:
• Never connect a load between the Data Logger and the MPLC slave node.
• The distance between the Data Logger and the load should be greater than
20m, that is, the LV grid-connection point should be more than 20m away from
the nearest load distribution line. The load includes air conditioners, machines,
motors, etc.
NOTICE
When using the MPLC communication method, consider the following:
• The electrical connection between the inverter and the downstream transformer
has been successfully established and verified to be correct.
• Input and output circuit breakers of the Data Logger, inverter, and transformer
are connected.
5.5 Connecting to the Meteo Station
Meteo Station of the Modbus-RTU protocol can be connected to the Data Logger.
step 1 Lead the RS485 communication cable from the Meteo Station to the wiring area of the Data
Logger.
step 2
Use a wire stripper to strip off the protective layer and insulation layer of the communication
cable, as shown in the following figure.
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