Installation manual

216
Steca
Steca
72 Steca
72�1 Steca
Easy Installation Termination Addressing Sensors RS485 Meters RS485 Interface
No
Switch
Yes
Yes Yes RS485
Overview
•
Integrated interface
•
Where to connect: RJ socket, on the outside of the inverter's interface card.
•
2-pin wiring
•
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
Connect inverters to the Solar-Log™
The wiring is done using a
•
ready-made data cable (optional extra; not supplied)
or
•
self-made RS485 data cable with RJ45 plug 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 making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector RJ45 inverter
Terminal PIN
► 1 ► 1
► 4 ► 2
2. Insert the RJ45 plug into any RJ45 socket on the first inverter.
3. If only one inverter is to be connected this must be terminated.
On the inverter insert the connection plug into the free RJ45 socket.
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.