Installation manual

230
Sustainable Energy
Sustainable Energy
78 Sustainable Energy
78�1 Sustainable Energy
Easy Installation Termination Addressing Sensors RS485 Meters RS485 Interface
No Terminating plug Yes
Yes Yes RS485
Overview
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Integrated interface
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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
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ready-made data cable (optional extra; not supplied)
or
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self-made, shielded 2 wire data cable and terminal block connector.
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 ► 4 (A in)
► 4 ► 3 (B in)
2. If only one inverter is to be connected this must be terminated.
Insert 120 Ω terminal resistor.
3. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
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Connect using a 2 wire, shielded data cable
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Where to connect: Terminal strip inside the inverter