UPS5000-H-1200 kVA
User Manual (100 kVA Power Modules)
2 Overview
Issue 01 (2020-07-15)
Copyright © Huawei Technologies Co., Ltd.
41
Table 2-10
Pin definitions for the RS485 port
Pin
Description
1
2
RS485_T–
3
-
4
5
RS485_R–
6
GND
7
-
8
-
If cables are prepared onsite, follow the three methods below:
Connect pin 1 and pin 2. Pin 1 connects to RS485+ and pin 2 connects to RS485–.
Connect pin 4 and pin 5. Pin 4 connects to RS485+ and pin 5 connects to RS485–.
Connect pins 1, 2, 4, and 5. Twist cables to pin 1 and pin 4 into one cable and then connect it to
RS485+. Twist cables to pin 2 and pin 5 into one and then connect it to RS485–.
2.5.6 Intelligent Detection Card
Appearance
Figure 2-25
Intelligent detection card
Table 2-11
Intelligent detection card function
Silk Screen
Description
FE_1
Reserved
COM_OUT
Reserved