Solare Datensysteme Solar-Log - Manual (Page 53)

53
Bonfiglioli (formerly Vectron)
Bonfiglioli
Connect the inverters to each other
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Where to connect: Terminal strip on the inverter
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3-pin wiring
Procedure
1. Get access to the inverter interface
2. If you are making the cable yourself, connect the wires as shown in the following diagram:
Terminal strip inside the inverter Terminal strip inside the inverter
RS485 terminal RS485 terminal
► 1 A (Data+) ► 2 A (Data+)
► 6 GND ► 6 GND
► 3 B (Data-) ► 4 B (Data-)
3. Connect terminals on inverter 1 to the corresponding terminals on inverter 2.
4. Connect the other inverters to each other in the same way.
5. Terminate in the last inverter.
Set the DIP S1 switch for the terminal resistor to ON.
6. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Allocate communication address
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Recommendation: Continuous numbering starting with 1 going to 30.
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Setting: Using the inverter DIP switch.
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Procedure: Start according to the inverter’s instructions.
Note
A maximum of 20 inverters can be connected per RS485 bus.