Solare Datensysteme Solar-Log - Manual (Page 144)

144
Kstar
Kstar Singletracker
46�2 Kstar Singletracker
Easy Installation Termination Addressing Interface
No DIP switch Yes RS485
Select “Kstar SM” during the inverter detection
Overview
•
Integrated interface
•
3-pin wiring
•
2 RJ45 sockets on the outside of the inverter.
•
Communication address must be allocated.
•
Installation steps
• Switch off the inverters and Solar-Log™
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
• Allocate communication address.
Address range 1 to 254
Settings on the inverter’s display according to the manufacturer’s manual.
Connect inverters to the Solar-Log™
The wiring is done using a
•
self-made cable connection with RS485 data cable and terminal block connector.
Caution
Risk of damage to the unit!
The Solar-Log™ also has an RJ45 socket, which must never be connected to the RJ45
socket on the inverter.
► Only connect inverters via the RS485/422 Solar-Log™ interface(s).
Procedure
1. If you are fabricating the cable yourself, connect the wires as shown in the following diagram.
Solar-Log™ terminal strip connector RS485 inverter socket
Terminal PIN
► 1 A/Data + ► Pin 1 (A) T/R+
► 3 GND ► Pin 5 GND
► 4 B/Data - ► Pin 2 (B) T/R-
2. Insert the RJ45 plug into the RJ45 socket on the inverter.
3. If only one inverter is to be connected this must be terminated.
Set the dip switch to “on.”
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.