Solare Datensysteme Solar-Log - Manual (Page 130)

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Easy Installation Termination Addressing Interface
No Jumper P3 Yes RS485
Overview
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Interface not integrated; Retrofit RS485 interface card.
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3-pin wiring
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Communication address must be allocated.
•
Installation steps
• Switch off the inverters and Solar-Log™
• Install the RS485 interface in the inverter
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
• Allocate communication address
Installing the RS485 interface
In the 8-pin connection socket, insert the appropriate plug (Phoenix plug type: FKCT 2.5/8-ST) with RS485
wiring.
Procedure
► Install the RS485 interface in the inverter in accordance with the interface card installation instructions.
Connect inverters to the Solar-Log™
The wiring is done using a
•
self-made, shielded 3 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 ► Pin 1 RS485 A (+)
► 3 ► Pin 6 GND
► 4 ► Pin 2 RS485 B (-)
4. If only one inverter is to be connected this must be terminated.
Insert jumper JP3 into the RS485 card.
5. Close the inverter if no other inverters are to be connected.
6. Insert the terminal block connector into the Solar-Log™ RS485 socket.