Installation manual

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Easy Installation Termination Addressing Sensors RS485 Meters RS485 Interface
No Yes No
No No RS422
Overview
•
Integrated RS422 interface
•
8-pin cable – only on RS485/422 B connection of the Solar-Log™
•
Communication address does not have to be assigned
•
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
•
partially ready-made RJ45 cable (not included)
or
•
self-made data cable with RJ45 plug and 6-pin terminal block connector
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).
Procedure
1. Connect wires as shown in the diagram:
Solar-Log™ terminal strip connector RJ45 inverter
Terminal PIN
► 1 ► 6 Data+ (RX_RS485A)
► 3 ► 4 GND
► 3 ► 5 GND
► 4 ► 3 Data- (RX_RS485B)
► 5 ► 8 Data+ (TX_RS485A)
► 6 ► 7 Data- (TX_RS485B)
2. RunthewirefromtheSolar-Log™toinverter1throughtheholeforthewireonthebottomofthe
unit.
3. IntheinverterinserttheRJ45plugintothe"RS-485out"socket.
4. InserttheterminalblockconnectorintotheSolar-Log™RS485socket.