Solare Datensysteme Solar-Log - Manual (Page 79)

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Effekta
Effekta
3. If only one inverter is to be connected this must be terminated.
Set the jumper on the RS485 interface card to ON.
4. Close the inverter if no other inverters are to be connected.
5. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
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Connect using a 3 wire, shielded data cable
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Where to connect: Terminal strip inside the inverter (on the retrofitted RS485 interface).
Procedure
1. Open the inverter as shown in the inverter's instructions.
2. Using the data cable connect terminals "Pin 2-RS485-A (+)", "Pin 3-GND" and "Pin 1-RS485-B (-)" of
inverter 1 to the corresponding terminals on inverter 2.
3. Connect the other inverters to each other in the same way.
4. Terminate in the last inverter.
Set the jumper on the RS485 interface card to ON.
5. Close inverters.
Allocate communication address
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Recommendation: Continuous numbering starting with 1.
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Setting: Using the inverter operating display
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Procedure: Start according to the inverter's instructions