Communication Connection - Goodwe DNS Series User Manual

AMPHENOL SERIES
Note: The actual DC connector used is as shown in the accessory box.
DC cable specification:
A
B
C
Note: The DC Cable should be dedicated PV cable.
The installation method of DC connector.
MC4 & QC4.10 DEVALAN & AMPHENOL
Please use special tools to do crimping
11
QC4.10 SERIES
Label Description
A External diameter of wire stock
B Cross-sectional area of conductor material
C Length of bare wire
Positive connector
Inverter side
Negative connector
Do not crimp wire
into the limit buckle.

4.4 Communication Connection

4.4.1 USB Connection
USB interface is used for after-sales service team to repair inverter only. Not allowed for any other
purposes.
Step 1: Unscrew this plate from inverter.
Value
4~5mm
2.5~4mm
2
About 7mm
Step.2: Insert the USB data cable
4.4.2 RS485 Communication
This function is only applied to inverters with RS485.
The RS485 interface is used to connect EzLogger Pro and the maximum total length of all connect-
ing cables should not exceed 800m.
Communication cables must be separated from other power cables to prevent interference to the
communication. RS485 connection is shown as below.
Inverter Inverter Inverter
EzLogger Pro
RS485 RS485 RS485
Internet
Router
PC
12