Huawei UPS5000-H-1200K-NT User Manual page 350

UPS5000-H-(1200 kVA-1600 kVA)
User Manual (100 kVA Power Module)
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Step 2 Connect cables to DO ports in either of the following ways.
Issue 07 (2022-11-29)
Figure 4-419 Installing a dry contact extended card
If both a backfeed protection card and a dry contact extended card are
configured (An ECM expansion subrack is required, which is installed before
delivery.)
Figure 4-420 Position of the dry contact extended card
(1) Dry contact extended card
NO TE
DOs transmit passive dry contact output signals. Users need to connect an external power
supply to DOs. The maximum voltage and current of the external power supply are 30 V
DC/1 A.
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4 Installation and Cable Connection
341