Installation manual

228
Sunways
Sunways - AT/NT/PT
77 Sunways
77�1 Sunways - AT/NT/PT
Easy Installation Termination Addressing Sensors RS485 Meters RS485 Interface
Yes
Yes
Yes
Yes Yes RS485
Overview
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Integrated interface
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Where to connect: Terminal strip inside the inverter
- 750 V models: 4 RS485 terminals on 10 pin terminal strip
- 850 V models: 4 pin RS485 terminal strip
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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 Sunways data cable (optional extra; not supplied)
or
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self-made, shielded 2 wire data cable and terminal block connector.
Procedure
1. Open the inverter as shown in the inverter's instructions.
2. Pull the free wires through the wire opening in the inverter.
3. 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 ► RS485+
► 4 ► RS485-
4. If only one inverter is to be connected, terminate it according to the inverter instructions.
5. Close the inverter if no other inverters are to be connected.
6. Insert the terminal block connector into the Solar-Log™ RS485 socket.