Connecting The Inverter To Modbus - Hitachi X200-002SFE/NFU Instruction Manuals

Connecting the Inverter to ModBus

Follow these steps in this section to connect the inverter to the ModBus network.
1. Open Serial Port Cover - The inverter keypad has a hinged dust cover protecting the
2. Modular Interconnect Removal - With the serial port cover opened, notice the RJ45
3. Cable Wiring - The inverter communications
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serial port connector. Lift the cover from the bottom edge, and tilt upward as shown
below.
modular connector behind it. Connect the serial cable and engage the locking tab in
the connector.
RJ45 connector
port uses RS485 differential transceiver. The
pinout is shown to the right and listed below.
Be sure the cable connection you make
matches the diagram.
Pin Symbol
1 − Not used. Do not connect
2 − Not used. Do not connect
3 − Not used. Do not connect
4 L Common
5 SP Send data positive
6 SN Send data negative
7 L Common
8 − Not used. Do not connect
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