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THE UNINTERRUPTIBLE POWER PROVIDER
Network Shutdown Module V3 – User Manual - APC # 990-3630 (MGE # 34 003 934 XU / AB) Page 45/66
Example
A UPS protects 3 machines hosting a Network Shutdown Module. Machine 3 is programmed to shut down
before the others to take some of the load off the UPS.
Machine 1 Machine 2 Machine 3
Shutdown timer None None
100 sec
Shutdown duration 120 sec
180 sec
60 sec
The main output shutdown duration is equal to 180 sec. It is the shutdown duration of the machine 2
(maximum of all the shutdown duration).
Shutdown criteria reached
Maximum shutdown
duration
Utility Failure
Shutdown
duration 2
Shutdown
duration 3
Utilit
y
UPS output
Machine 2 on
main outlet group
Machine 3 on
main outlet group
Shutdown
timer
Utility restored
UPS Shut Off
Autonom
y
30%
Machine 1 on
main outlet group
Shutdown duration 1