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8-3
EATON Powerware
®
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201604 Rev B powerware.com
8.2.3 IntegratedAccessoryCabinet(IAC-B,IAC-T,andIAC-D)
The following IACs are designed for use with the Powerware 9390 three-phase
Uninterruptible Power Systems:
Ī The IAC-B provides maintenance bypass functions.
Ī The IAC-T provides parallel tie cabinet or parallel tie cabinet with maintenance bypass
functions.
Ī The IAC-D provides power distribution options for servers, racks, and other equipment
via distribution panelboards, or distributes power to larger loads via distribution circuit
breakers.
The IACs are housed in a single, free-standing cabinets designed for line-up-and-match
installation, but may be installed separate from the UPS cabinet.
8.2.4 Powerware Hot Sync Parallel System
A parallel UPS system with two to four uninterruptible power modules can be installed to
provide a parallel capacity and/or redundant system. This load sharing system provides
more capacity than a single UPS, and can provide backup, depending on the load and
configuration. In addition, when one UPM is taken out of service for m aintenance or is not
operating properly, a redundant UPM continues to supply uninterrupted power to the
critical load. A Powerware Hot Sync Computer Area Network Bridge X-Slot card provides
connectivity for system metering and operational mode control. The parallel system
consists of two to four UPMs each with a parallel CAN card, and a module tie cabinet or
load distribution panel to act as a tie point. Each UPM requires a separate battery cabinet.
8.2.5 Sync Control
An optional Sync Control maintains the critical load outputs of two separate single module
Powerware 9390 UPS systems in synchronization. This facilitates the uninterrupted transfer
oftheloadfromoneloadbustoanotherbymeansoftransferswitches.TheSyncControl
is housed in a wall-mounted panel that can be located between the UPS units for easy
wiring.
8.2.6 Optional X-Slot Cards
The optional X-Slot cards support several protocols, such as SNMP, HTTP, AS/400
®
,and
Modbus
®
. See Chapter 13, “Communication,” for additional information.
8.2.7 Mini-CSB
The installation of the mini-CSB provides two additional X-Slot bays, increased logging to
512 events, five additional programmable languages, a real-time clock, four additional
building alarms, and enhanced alarm contact programming.