Huawei UPS5000-H Series

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Table 4-11 Pin denitions for the RS485 port

Pin Description

1 RS485_T+

2 RS485_T–

3 -

4 RS485_R+

5 RS485_R–

6 GND

7 -

8 -

NO TE

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–.

4.4 MDU

The MDU allows you to control UPS operations, view the running status and

alarms, and set parameters. For details, see the

UPS5000 Monitoring Manual

Dimensions (H x W x D): 175 mm x 264 mm x 40 mm

Figure 4-13 Appearance

(1) Status indicator

(2) LCD touchscreen

UPS5000-H-(400 kVA-600 kVA)

User Manual (100 kVA Power Module) 4 Component Description

Huawei UPS5000-H Series - MDU