Ats Scenario - Huawei UPS5000-E Series User Manual

UPS5000-E-(25 kVA-125 kVA)
User Manual (25 kVA power modules)
Figure 5-62 Reused scenario
In reused scenarios, the following parameters need to be set:
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
Connect the DO_4 dry contact port on the UPS monitoring interface card to the
startup/shutdown control port on the D.G. The initial status of the DO_4 dry contact is
normally open (NO). When it is closed, the D.G. starts.
connection between the UPS and the D.G. in reused scenarios.
Figure 5-63 Connecting signal cables in the reused scenario

5.12.4 ATS Scenario

The D.G. and mains connect to the UPS over an ATS. The MDU obtains the D.G.
startup/shutdown status over the dry contact signals sent from the ATS, and controls D.G.
startup/shutdown over dry contacts.
Issue 06 (2020-01-10)
Set ATS to Not connected.
Working mode is automatically set to ECO and cannot be changed.
Copyright © Huawei Technologies Co., Ltd.
Figure 5-63
Figure 5-64 shows the working principles.
5 Operations
shows the signal cable
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