User`s guide

Redundancy
Eaton Intelligent Power Manager (IPM) User’s Guide v1.40 P-164000289—Rev 2 105
Figure 124. Edit Shutdown Configuration Dialog Box
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You must use the default Network Card Configuration. See “Use Case #1” on page 102 for more details.
Redundancy Advanced Behavior Example
For the following example uses a configuration with four UPSs. Each UPS is 20 kW. For this parallel topology,
the load can vary between 0 and 80 kW.
Figure 125. Example Topology
Redundancy Alarm Management with Four Modules
According to the Redundancy level and the Load settings, the following details are provided:
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R is the number of redundant UPSs
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Status of Redundancy Lost Alarm
Tabl e 12 provides redundancy alarm management details.
Table 12. Redundancy Alarm Management
Load / Redundancy
Level
Load < 20 kW 20 kW < Load < 40 kW 40 kW < Load < 60 kW 60 kW < Load < 80 kW
0 R=3 R=2 R=1 R=0
1 R=3 R=2 R=1 R=0 (Redundancy lost active)
2 R=3 R=2 R=1 (Redundancy lost active) R=0 (Redundancy lost active)
3 R=3 R=2 (Redundancy lost
active)
R=1 (Redundancy lost active) R=0 (Redundancy lost active)