77 socomec – Solare Datensysteme Solar-Log User Manual
Page 230
230
SOCOMEC
SOCOMEC Sunsys B20E
77 SOCOMEC
77�1 SOCOMEC Sunsys B20E
Easy Installation
Termination
Addressing
Interface
No
Yes
Yes
RS485
Selection available under SOCOMEC
Overview
•
Integrated interface.
•
Where to connect: Terminal strip inside the inverter.
•
3-pin wiring.
•
The communication address has to be assigned.
•
Installation steps
•
Switch off the inverters and Solar-Log™.
•
Connect inverters to the Solar-Log™.
•
Communication address according to the inverter‘s instructions.
Address range 1 - 255.
•
Terminate the inverter according to the inverter‘s instructions.
Connect inverters to the Solar-Log™
The wiring is done using a
•
self-made, shielded 5 wire data cable and terminal block connector.
Procedure:
•
Open the inverter according to the inverter‘s instructions.
•
Pull the free wires through the wire opening in the inverter.
•
If you are fabricating the cable yourself, connect the wires as shown in the following diagram.
Solar-Log™ terminal strip connector
Terminal strip inverter
Terminal
PIN
► 1 Data+
3
► 1 Data+
5
► 3 GND
2
► 4 Data-
4
► 4 Data-
6
•
If only one inverter is to be connected terminate this in accordance with the inverter instructions.
•
Close the inverter if no other inverters are to be connected.
•
Insert the terminal block connector into the Solar-Log™ RS485 socket.