346
Steca
92 Steca
92.1 Steca
Termination Addressing Interface
Termination plug Yes RS485
Select “Steca: Standard“ for the device detection.
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 no further inverter connected, terminate the inverter:
On the inverter insert the connection plug into the free RJ45 socket.
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.
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