EN-Rev QI/V02a December, 2023. CSI Solar Co., Ltd.
7 / 11
Step 1: Prepare the Signal Cable. Remove the signal cable’s jacket about 23mm, and then strip the wire insulation layer about
7mm, as per figure below.
FIG 4-9 Communication cable requirements
Step2: Insert the conductors into the corresponding pins of the plug, and then fix the conductors by screws firmly,as shown
in FIG 4-10. Tool: Phillips screwdriver #1. Torque: 0.6~0.8N.m.
Step 3: Tighten the pressure nut, and then push the threaded sleeve into the plug, as per FIG.4-10.
Step 4: Finally insert the assembled connector into the RS485 receptacle (COM.-2) on the inverter, as per FIG.4-11.
1
3
2
Pin-8
Pin-7
Pin-6
Pin-5
Pin-4
Pin-3
Pin-2
Pin-1
Plug
Function
RS485A-IN
RS485B-IN
GND
+5V
RS485A-OUT
RS485B-OUT
+5V
COM.-2
COM.-3
COM.-1
GND
FIG 4-10
Assembling the Connector
FIG 4-11
Insert the connector into the receptacle
4.4.2 Multi-inverter communication system
In case of multiple inverters, select COM.-2 port to achieve communication connection in daisy chain form
。
FIG 4-12 Multiple Communication Networks
4.5 Dongle Connection
This product supports Dongle Connection. For more information about the data logger, please refer to the Smart Data Logger
(WIFI) Quick Installation Guide.
4.6 Smart Meter Connection
（
Optional
）
The inverter has integrated export limitation functionality. To use this function, a smart meter must be installed.
For installation and operation methods, please refer to the instructions in the smart meter package.
Type
Core wire cross-
sectional area
Outside
diameter
Shielded type
2-core twisted pair
0.25-1mm
2
(24~18AWG)
4~5.5mm
16
7
Summary of Contents for CSI-15K-T4001A-E
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