Quick User Manual
4 Electrical Connection
19
Fig. 4-1
Communication Configuration
4.5.1 Communication System
Where there is more than one inverter, all inverters can be connected to data
logging device in daisy chain. The first and last inverters in the chain must be
terminated with a resistor of 120Ω. The shielding layer of RS485 cable should be
single-point grounded.
4.5.2 RS485 Communication Connection
RS485A/B Bus Connection
Step 1
Lead RS485 shielded twisted pair cables through communication cable gland
to the configuration circuit board.
Step 2
Trip off the insulating layer of the communication cables.
Step 3
Connect all RS485 cables to the RS485 bus terminal blocks according to the
position of the inverter.
Summary of Contents for SG30KTL-M
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