Dongle Connection; Ac Cable Connection - CanadianSolar CSI-75K-T40001-E Quick Installation Manual

Step 5: Pull the cable gently to ensure it is secured, and tighten the swivel nut clockwise.
4.3.3.4 Connection Procedure (RJ45 network port)
Step 1: Loosen the swivel nut of the communication terminal and select an appropriate seal according to cable outer diameter.
Lead the cable through the swivel nut and seal successively.
Step 2: Strip the insulation layer of the Ethernet cable with a wire stripper, and insert the signal wires to the RJ45 connector.
Crimp the RJ45 connector with a crimping tool.
Step 3: Insert the RJ45 connector to the RJ45 jack.
Step 4:Pull the cable gently to make sure it is secured, tighten the swivel nut clockwise.

4.4 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.

4.5 AC Cable Connection

4.5.1 AC Side Requirements
Before connecting the inverter to the grid, ensure the grid voltage and frequency comply with inverter(s) technnical specification.
Otherwise, contact the electric power company for help.
Connect the inverter to the grid only after getting an approval from the local electric power company.
4.5.2 Connection Procedure
Step 1: Open the wiring compartment.
Step 2: Pull out four plastic rivets on the protection plate, then remove the protection plate.
Step 3: Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection.
10 / 18
Ltd.
For connector
7mm
M2
0.2N.m
For cable gland
4
3
2
M20
1
3-4
N.m
FIG 4-9 Connection Procedure (Terminal Block)
Wire sequence and Function:
Pin1-White and orange
Pin2-Orange
Pin3-White and green(RS485- B)
Pin4-Blue
Pin5-White and blue
Pin6-Green (RS485+ A)
Pin7-White and brown
Pin8-Brown
Pin3 and Pin6 are used for
communication connection onl y.
FIG 4-10 Connection Procedure (RJ45 network port)
Connector Function
Pin-1 485-A
Pin-2 485-B
grounding
Pin-3 ( shielding layer
of cables)
For cable gland
EN-Rev 75-120kW QI/V03a December, 2023. CSI Solar Co.,
Connecting the
communication
board
A1
B1
PE
M20
3-4
N.m