Install Manual
Table Of Contents
- Disclaimers
- Revision History
- Contents
- HANDLING AND SAFETY INSTRUCTIONS
- IMPORTANT SAFETY INSTRUCTIONS
- Chapter 1: Introducing the SolarEdge Power Harvesting System
- Chapter 2: Installing the Power Optimizer
- Chapter 3: Installing the Inverter
- Chapter 4: Connecting the AC and the Strings to the Safety Switch
- Chapter 5: Activating, Commissioning and Configuring the System
- Chapter 6: Setting Up Communication to the Monitoring Platform
- Appendix A: Errors and Troubleshooting
- Appendix B: Mechanical Specifications
- Appendix C: External Fan Maintenance and Replacement
- Appendix D: Replacing and Adding System Components
- Determining the Circuit Breaker Size
- Support Contact Information
To connect the RS485 communication bus:
1. Remove the inverter cover as described in
Removing the Inverter Cover
on page 58.
2. Remove the seal from one of the openings in communication gland #2 and insert
the wire through the opening.
3.
Pull out the 6-pin RS485 terminal block connector, as shown below.
Figure 32: RS485 terminal block on the communication board
4.
Loosen the screws of pins A(+), B(-), and G on the left of the RS485 terminal block
(RS485-1 or RS485-2).
Figure 33: RS485 terminal block
5.
Insert the wire ends into the G, A and B pins shown above. Use Four- or six-wire
twisted pair cable for this connection.
You can use any color wire for each of the A, B and G connections, as long as:
The same color wire is used for all A pins the same color for all B pins and the
same color for all G pins
The wire for G is not from the same twisted pair as A or B.
6.
For creating an RS485 bus - connect all B, A and G pins in all inverters.
Three Phase System Installation Guide MAN-01-00527-1.4
64 Creating an RS485 Bus Connection