203
Motech
55 Motech
55.1 Motech(RS485)
Termination Addressing Interface
Yes No RS485
Overview
•
Integrated interface
•
Where to connect: RJ45 plug outside the housing floor
•
2-pin wiring
•
Communication address does not have to be assigned
•
Installation steps
• Switch off the inverters and Solar-Log™
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
Connect inverters to the Solar-Log™
The wiring is done using a
•
ready-made BRJ2 data cable (optional extra; not supplied)
or
•
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 making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector RJ45 inverter
Terminal PIN
► 1 ► 7
► 4 ► 8
2. Insert the RJ45 plug into the RJ45 socket on the inverter.
3. If no further inverter is connected, terminate the inverter according to the instructions for the inverter.
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.
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