185
Kehua
49.2 Kehua(3-phase)
Termination Adressing Interface
Dip switch Yes RS485
Supported by firmware 4.2.1 and higher.
Overview
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Integrated interface.
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Where to connect:
• Terminal strip inside the inverter.
• Round sockets on the outside of the inverter.
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2-pin wiring.
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Communication address must be allocated.
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Installation steps:
• Switch off the inverters and Solar-Log™.
• Connect inverters to the Solar-Log™.
• Connect the inverters to each other.
• Allocate communication address.
Connect inverters to the Solar-Log™
The wiring is done using a
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self-made, shielded 2 wire data cable with a terminal block connector.
Procedure
1. Open the inverter as shown in the inverter‘s instructions.
2. If you are making the cable yourself, connect the wires as shown in the following diagram
Solar-Log™ terminal strip connector Terminal strip inside the inverter
Terminal RS485 Terminal
► 1 Data+ ► A/3
► 4 Data- ► B/4
3. If no further inverter is connected, terminate the inverter according to the instructions for the inverter.
4. Close the inverter if no other inverters are to be connected.
5. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
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Where to connect: Terminal strip inside the inverter.
•
2-pin wiring.
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Wiring according to inverter instructions.
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