Huawei SUN2000-55KTL Series User Manual page 56

SUN2000-(55KTL, 60KTL) Series
User Manual
Terminal Block Pin Definitions
Figure 5-21
Figure 5-21 Terminal block
Table 5-4
Table 5-4 Pin definitions of the RS485 terminal block
No.
1
2
3
4
Connecting Cables to the Terminal Block
Step 1 Remove an appropriate length of the jacket and core wire insulation layer from the
communications cable using a wire stripper.
Issue 06 (2020-01-03)
shows an RS485 terminal block.
describes pin definitions of the RS485 terminal block.
Port Definition
RS485A IN
RS485A OUT
RS485B IN
RS485B OUT
Copyright © Huawei Technologies Co., Ltd.
5 Electrical Connections
Description
RS485A, differential signal+
RS485A, differential signal+
RS485B, differential signal–
RS485B, differential signal–
50