Installation manual

138
Omron
Omron
47 Omron
47�1 Omron
Easy Installation Termination Addressing Sensors RS485 Meters RS485 Interface
No Bridge 9 -> 10 Yes
Yes Yes RS485
Overview
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Integrated interface
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Where to connect: Terminal strip inside the inverter
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3-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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self-made, shielded 3 wire data cable and terminal block connector.
Procedure
1. Open the inverter as shown in the inverter's instructions.
2. Connect the cable as shown in the following diagram.
Solar-Log™ terminal strip connector Inverter terminal strip
RS485/422 B Terminal strip TB401
► 1 ► Pin 4 - Data +
► 3 ► Pin 3 - GND
► 4 ► Pin 5 - Data -
3. If only one inverter is to be connected it must be terminated. To do this a bridge must be inserted
on the inverter between pins 9 and 10.
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
The wiring is done using a
•
self-made, shielded 3 wire data cable and terminal block connector.