Huawei SmartLogger1000 User Manual page 45

SmartLogger1000
User Manual
Table 4-3 Functions of the RS485 terminal block
No.
1
2
3
4
Issue 12 (2019-01-15)
Figure 4-9 Position of the terminal block in the SUN2000
Port Definition
RS485A IN
RS485A OUT
RS485B IN
RS485B OUT
− Terminal block 2
Figure 4-10 shows the position of the terminal block in the
SUN2000-33KTL/40KTL.
block.
Copyright © Huawei Technologies Co., Ltd.
Function
RS485A, for RS485 positive differential
signaling
RS485A, for RS485 positive differential
signaling
RS485B, for RS485 negative differential
signaling
RS485B, for RS485 negative differential
signaling
Figure 4-11 describes the functions of the terminal
4 Electrical Connections
32