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THE UNINTERRUPTIBLE POWER PROVIDER
Network Shutdown Module V3 – User Manual - APC # 990-3630 (MGE # 34 003 934 XU / AB) Page 31/66
6 Multi-UPS Systems
6.1 Caution
Please check complete list of UPSs compatible with our Redundancy/Parallel mode service:
Caution:
We strongly recommend you contact trained MGE personnel for setup, in order to guarantee the integrity of
your high-availability system.
Recommendations:
ω For the UPS Models it is better to Enable "Communication Shutoff orders" so that the UPS accepts
Network Management Card off commands.
Exception for 2 UPSs in Hot standby (Sequential redundancy)
.
ω The Network Management Cards MUST have the same shutdown criteria parameters.
You can use default settings (or duplicate configuration using specific tools like Mupgrade or …)
ω For 3 phase UPS systems it is mandatory to check battery parameters before installing Network
Shutdown Module.
6.2 Presentation
With the latest version V3 the Network Shutdown Module manages multi UPS redundant configurations.
The Network Shutdown Module V3 makes it possible
ω to supervise an installation made up of several UPSs. It provides the user with an overall view of the
installation by concentrating the information acquired from the individual UPSs. The data acquisition is
performed through the IP network.
ω to trigger the shutdown of the machine on which it is installed, taking into account the consolidated
« global » view of the electrical installation.
The Network Shutdown Module V3 manages following electrical configurations:
ω Several UPSs in parallel:
ω 2 UPSs in Hot standby (Sequential redundancy):
Note: For the UPS Model that is close to the load you have to
disable "Communication Shutoff orders" so that the UPS
transfers to bypass and doesn't accept Network Management
Card off commands.
(You can use the UPS display or the UPS Configuration tool)