MGE UPS Systems Network Shutdown Module V3 Benutzerhandbuch

 

 
 

 
 

 

 

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Network Shutdown Module V3 – User Manual - APC # 990-3630 (MGE # 34 003 934 XU / AB) 

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Output on bypass  

UPS has switched to automatic or manual bypass mode  
or [end of bypass alarm] 
 

ω 

Communication failure 

Communication between Network Management Card/Proxy and 
UPS (or NSM) has failed 
or [Communication between Network Management Card/Proxy 
and UPS is restored] 

These alarms are mainly dedicated to trigger operating system shutdown actions: 
 

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Shutdown criteria is reached 

One of the criteria for which the system should be shutdown has 
been reached 
 

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Redundancy lost  

The installation has no redundancy source available anymore 
or [The installation has one or several redundancy source 
available] 
 

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Protection lost 

The number of sources ensuring your installation protection is not 
sufficient 
or [The number of sources ensuring your installation protection is 
sufficient] 
 

With default configuration, the Network Shutdown Module considers that the “Notification Alarms” don’t trigger 
the shutdown. (only the notification action is performed). 
  
Anyway it is possible to configure a “Shutdown action” when a “Notification Alarm” event is received.  
In this case: 

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The first alarm reception (from one of the UPSs) will trigger the system shutdown.

 

 

ω 

Shutdown criteria is reached. 
With default configuration, the Network Shutdown Module triggers the shutdown when this event is 
received. 

 
Anyway it is possible to configure a “Shutdown” action when the following events are received.  
 

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Redundancy lost alarm  
If the user configures a “Shutdown action” when a “Redundancy lost” event is received, the shutdown will 
occur when the installation has no redundant source available anymore.  
The redundancy Level is configured in Configuration-> Power Devices screen   
Following Alarms are taken into account for this alarm :  

>

 UPS fault (internal fault or battery fault) 

>

 Communication failure, 

>

 Output on bypass,  

>

 UPS Stopped. 

 

ω 

Protection Lost Alarm 
If the user configures a “Shutdown action” when a “Protection Lost” event is received, the shutdown will 
occur when the number of sources ensuring your installation protection is not sufficient.  

>

 Only following UPS faults are taken into account (internal fault or battery fault). 

>

 The By-Pass events (Automatic or Manual) for maintenance reasons are not taken into account.