5 Electrical Connection
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Logger
Plant Monitoring Station
Inverter N
Inverter 2~(N-1)
Inverter 1
SW2
ON
OFF
SW2
ON
OFF
SW2
ON
OFF
FIG 5-8
More than15 pcs inverters communication system
The length of the RS485 cable should be no longer than 1,200m.
5.4.3.3 Connection Procedure (Terminal Block)
RS485 communication cables should be shielded twisted pair cables or shielded twisted pair
Ethernet cables.
Step 1: Strip the protection layer and insulation layer by appropriate length.
Step 2: 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 3: Secure the cable to the terminal base.
Step 4: Insert the terminal base into the corresponding terminal.
Step 5: Pull the cable gently to make sure it is secured, tighten the swivel nut clockwise.
7mm
M2
3-4
N.m
M20
For cable gland
For connector
0.2N.m
FIG 5-9
Connection Procedure (Terminal Block)
