92
Delta
21 Delta
21.1 Delta(RS485)
Termination Addressing Interface
Resistor Yes RS485
Overview
•
Integrated interface.
•
Where to connect: RJ45 socket on the outside of the inverter.
•
3-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 Delta 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 ► 6
► 4 ► 8
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