Huawei SmartLogger1000 User Manual page 34

SmartLogger1000
User Manual
Figure 4-6 RS485 wiring terminals for the SUN8000
Ports 07, 08, 09, 10, 11, and 12 are communications ports.
of these ports.
Table 4-4 Port description
No.
07
08
09
10
11
12
There are three RS485 ports in the SmartLogger. For the port descriptions, see Context in
4.2.1 Connecting the SmartLogger to the
Figure 4-7
Issue 04 (2013-12-15)
Function
S485A
S485B
N485A_OUT
N485A_IN
N485B_OUT
N485B_IN
shows how to connect the SmartLogger to the SUN8000.
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Table 4-4
Description
RS485A, RS485 differential
signal + (reserved)
RS485B, RS485 differential signal
- (reserved)
RS485A, RS485 differential
signal +
RS485A, RS485 differential
signal +
RS485B, RS485 differential signal
-
RS485B, RS485 differential signal
-
SUN2000.
4 Electrical Connections
describes the functions
27