159
Huawei
43 Huawei
43.1 Huawei
Termination Addressing Interface
Yes Yes RS485
Overview
•
Integrated interface
•
Where to connect:
• RJ45 socket, inside the inverter or
• RS485 terminal block inside the inverter.
•
2-pin wiring
•
Communication address must be allocated
•
Installation steps
• Switch off the inverters and Solar-Log™
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
Note
When a device has four MPP trackers, this will be recorded as a single MPP tracker.
► With firmware version 4.1.0 or higher, four MPP trackers are recorded.
Connect inverters to the Solar-Log™
The wiring is done using a
•
self-made cable connection with RS485 data cable and terminal block connector.
Procedure (Version RJ45 socket):
1. Open the inverter as shown in the inverter's instructions.
2. Insert the RJ45 plug into RS485-Out socket on the inverter.
3. If you are making the cable yourself, connect the wires as shown in the following diagram
4. Address the inverter according to the manufacturer's specifications.
Address range 1 to 247.
5. If no further inverter is connected, terminate the inverter according to the instructions for the inverter.
6. Close the inverter if no other inverters are to be connected.
7. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Caution
Risk of damage to the unit!
The Solar-Log™ also has an RJ45 socket, which must never be connected to the RJ45 socket on the
inverter.
► Only connect inverters via the RS485/422 Solar-Log™ interface(s).