User`s guide

Redundancy
106 Eaton Intelligent Power Manager (IPM) User’s Guide v1.40 P-164000289—Rev 2
Protection Alarm Management with Four Modules
According to the Load and the Number of failed UPSs settings, the following details are provided:
l
P is the number of UPSs protecting the load
l
R is the number of redundant UPSs
l
Status of Protection Lost Alarm
Tabl e 13 provides protection alarm management details.
Table 13. Protection Alarm Management
Load / Failures Load < 20 kW 20 kW < Load < 40 kW 40 kW < Load < 60 kW 60 kW < Load < 80 kW
No failure P=4; R=3 P=4; R=2 P=4; R=1 P=4; R=0
1 failure P=3; R=2 P=3; R=1 P=3; R=0 P=3; R=0 (Protection lost
activ
e)
2 failures P=2; R=1 P=2; R=0 P=2; R=0 (Protection lost
active)
P=2; R=0 (Protection lost
activ
e)
3 failures P=1;R=0 P=1; R=0 (Protection lost active) P=1; R=0 (Protection lost
active)
P=1; R=0 (Protection lost
activ
e)
4 failures P=0; R=0
(
Protection lost
active)
P=0; R=0 (Protection lost active) P=0; R=0 (Protection lost
active)
P=0; R=0 (Protection lost
active)
Redundancy Compatibility
The following UPSs and topologies have been tested in redundant mode. Other topologies or UPSs may work,
but have not been tested
Tabl e 14 provides a compatibility list for single-phase UPSs and Tabl e 15 provides a compatibility list for
three-phase UPSs.
Table 14. Redundancy Compatibility (Single
-phase UPS)
UPS Parallel Multiple Feed Hot Standby STS
9120, 9130, 9135 n/a NET, USB n/a NET, USB
Eaton 5P / 5PX / Evolution /
Evolution S
n/a NET, USB n/a NET, USB
Pulsar EX 700 / 3000 n/a NET, USB n/a NET, USB
Eaton 9SX / 9PX n/a NET, USB n/a NET, USB
Pulsar MX 1+1 NET n/a n/a n/a
Pulsar MX Frame 16 U n/a NET, USB n/a NET, USB
EX RT n/a NET NET (*) NET
NOTE n/a =
Not applicable; NET = Acquisition through the network card; USB Acquisition through the USB; NET (*) = Behavior has been
implemented, but has not been tested