Solare Datensysteme Solar-Log - Manual (Page 254)

254
Solutronic
Solutronic SP100, SP120 (RS485)
82�2 Solutronic SP100, SP120 (RS485)
Easy Installation Termination Addressing Interface
No Yes Yes RS485
Overview
•
Integrated interface
•
Where to connect: Round pin plug on the outside of the inverter.
•
3-pin wiring
•
Communication address must be allocated.
•
All inverters must be fitted with firmware version 1.2.39 or later.
•
Inverters must be grounded otherwise this could lead to problems with inverter detection.
•
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™
•
ready-made data cable (optional extra; not supplied)
or
•
self-made, shielded 3 wire data cable and terminal block connector.
Procedure
1. 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 ► 2 - Data +
► 3 ► 3 - Ground
► 4 ► 4 - Data -
2. Terminate pin 1 on the terminal block connector and pin 4 on the Solar-Log TM using the 120 Ω terminal
resistor.
3. Terminate on the inverter in accordance with the manufacturer's handbook.
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
•
Connection in the master-slave data network using an 1:1 cable with M12 plug connector (available
as an optional extra from Solutronic)
Sockets X6 and X7 are connected to each other electrically.
•
Where to connect: Round pin plug on the outside of the inverter.