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Solutronic
Procedure
1. If you are making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector Inverter terminal strip
Terminal Terminal
► 1 ► Pin 1 RS485-A
► 3 ► Pin 3 GND
► 4 ► Pin 2 RS485-B
2. If no further inverter connected, terminate the inverter:
You will find detailed instructions for setting the inverters on the Solutronic website.
3. Close the inverter if no other inverters are to be connected.
4. 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 on the outside of the inverter
Procedure
1. Insert the plug into the X2 socket on inverter 1.
2. Insert the other end of the wire into the X2 socket on inverter 2.
3. Connect the other inverters to each other in the same way.
4. Terminate the last inverter.
Detailed instructions for setting the inverters are available on the Solutronic website.
Allocate communication address
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Recommendation: Continuous numbering starting with 1.
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Setting: Suing the inverter's control panel (starting with inverter firmware 2.62 parameter 89 and parameter
230 for older firmware versions):
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In addition, set the COM port to Protocol 1 - Solutronic protocol (parameter 265).
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Procedure: Start according to the inverter's instructions
Note
The mode „Fixed cos Phi external“ or „power reduction“ has to be set according to the manufacturer‘s
specifications for all of the inverters to use active and reactive power management.
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