Solare Datensysteme Solar-Log - Manual (Page 124)

124
Huawei
Huawei
40 Huawei
40�1 Huawei
Easy Installation Termination Addressing Interface
No Yes Yes RS485
Overview
•
Integrated interface
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Where to connect: RJ45 socket on the outside of 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
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
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Open the inverter as shown in the inverter's instructions.
•
Insert the RJ45 plug into RS485-Out socket on the inverter.
•
If you are making the cable yourself, connect the wires as shown in the following diagram
•
Address the inverter according to the manufacturer's specifications.
Address range 1 to 247.
•
If only one inverter is to be connected, it must be terminated according to the manufacturer‘s instruc-
tions.
•
Close the inverter if no other inverters are to be connected.
•
Insert the terminal block connector into the Solar-Log™ RS485 socket.
Solar-Log™ terminal strip connector RJ45 inverter
Terminal PIN
► 1 1 or 4
► 4 2 or 5
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).