Dry Contact Card - Huawei UPS5000-E-200K-SM User Manual

UPS5000-E-(200 kVA-300 kVA)
User Manual (50 kVA Power Modules)
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Figure 2-19 Logical connections for CAN communication
Specifications
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2.3.4.3 Dry Contact Card

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● A dry contact card port takes effect only after you set it in the software. You
● Set the EPO port to normally open (NO) or normally closed (NC) as required.
● If multiple UPSs are connected in parallel, connect all used dry contact signals
● Set remote EPO for the UPS separately. The UPS cannot share switch contacts
● DI ports have built-in power supplies with a maximum voltage and current of
Issue 17 (2023-07-10)
The system provides three types of CAN communication: monitoring CAN
communication, intra-rack parallel CAN communication, and inter-rack
parallel CAN communication.
Hot-swappable
1 U high
The dry contact card allows the UPS to detect and manage the switch status
of the battery system (including the external battery switch) and implement
remote emergency power off (EPO).
Hot-swappable, 0.5 U high.
NO TICE
need to disable unused dry contact signals..
to each UPS.
with other devices.
12 V DC/16 mA. During cable connection, ensure that the voltage and current
do not exceed these maximum values.
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