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SUN2000-(30KTL-A, 33KTL, 33KTL-E001, 40KTL)
User Manual
(5) RS485A IN
(7) RS485B IN
Issue 10 (2019-06-30)
Figure 5-28 Stripping an RS485 communications cable
b.
Remove the locking caps from the COM1 and COM2 waterproof cable connectors
at the inverter bottom and remove the plugs from the locking caps.
c.
Route the communications cables through the locking caps, and then the COM1
(RS485 IN) and COM2 (RS485 OUT) connectors at the SUN2000 bottom.
d.
Connect the input end to terminals 5 and 7 on the terminal block and connect the
output end to terminals 6 and 8 on the terminal block. Tighten the terminals using
an M3 flat-head screwdriver to a torque of 0.5 N· m. Connect the shield layer to the
ground point and tighten the screw using an M4 Phillips torque screwdriver to a
torque of 1.2 N· m, as shown in
When connecting the shielded cables, choose whether to crimp the M4 OT terminal based on site
requirements.
Figure 5-29 Connecting RS485 communications cables
e.
Bind the communications cables after connecting them, as shown in
Copyright © Huawei Technologies Co., Ltd.
Figure
5-29.
(6) RS485A OUT
(8) RS485B OUT
5 Electrical Connections
Figure
5-30.
61
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