Solare Datensysteme Solar-Log - Manual (Page 118)

118
Growatt
Growatt
37 Growatt
37�1 Growatt
Easy Installation Termination Addressing Interface
No - Yes RS485
Overview
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Integrated interface
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Where to connect: 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
•
self-made, shielded 2 wire data cable with round plug and terminal block connector.
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The round plugs required can be obtained from the inverter manufacturer.
Procedure
1. If you are making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector Inverter round socket
Terminal PIN
► 1 ► 2 (+)
► 4 ► 1 (-)
2. Insert the round plug into any COM round socket on the inverter.
3. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
•
Wiring using 2 pin cable with round plugs.
•
Where to connect: Round sockets on the outside of the inverter.
Procedure
1. Insert the round plug into any round socket on inverter 1.
2. Insert the other end of the cable into any round socket on inverter 2.
3. Connect the other inverters to each other in the same way.
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.