Figure 2-17 Dry contact card
(1) Dry contact ports
Table 2-11 Functions of the dry contact card
Type Function Silk Screen Denition
Output Normal mode DO1 Normal mode
Battery mode DO2 Battery mode
Bypass mode DO3 Bypass mode
Low battery voltage DO4 The monitoring
system determines
that the battery
voltage is low based
on the battery
management solution.
Bypass backfeed DO5 The power module
reports a bypass
backfeed alarm.
The UPS is faulty. DO6 An active critical
alarm exists.
Input Shutdown DI1 An inverter shutdown
command is issued.
Reserved DI2 Reserved
UPS2000-H-(6 kVA-10 kVA)
User Manual 2 Product Overview
Issue 03 (2023-08-20) Copyright © Huawei Digital Power Technologies Co., Ltd. 39
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