82
Chint Power
16.4 ChintPowerModbus(DO/US)
Termination Addressing Interface
Yes Yes RS485
Selection available under Chint Power: Modbus
The following types are to be connected according to this diagram:
•
SCA50KTL-DO/US-480
•
SCA60KTL-DO/US-480
Overview
•
Integrated interface
•
Where to connect: Terminal strip inside the inverter.
•
3-pin wiring.
•
The communication address has to be assigned.
•
Installation steps
• Switch off the inverters and the Solar-Log™.
• Connect inverters to the Solar-Log™.
• Connect the inverters to each other.
• Allocate communication address.
Address range 1 to 254
Settings on the inverter‘s display according to the manufacturer‘s manual.
Connect inverters to the Solar-Log™.
The wiring is done using a
•
self-made cable connection with terminal block connector.
•
Where to connect: Terminal strip inside the inverter.
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 Data+ ► RS485+
► 3 GND ► GND
► 4 Data- ► RS485-
2. If no further inverter is connected, terminate the inverter according to the instructions for the inverter.
3. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other.
•
Connect using a network cable (patch cable).
•
Where to connect: RJ45 sockets inside the inverter.