Emerson 250 Single-Module System Options, Communication and Monitoring, Optional Equipment

Optional Equipment

3.0OPTIONAL EQUIPMENT

3.1Single-Module System Options

3.1.1Matching Maintenance Bypass Cabinet

A matching Liebert NXL Maintenance Bypass cabinet is available. See Maintenance Bypass Cabinet Installation Manual (SL-24532) for more details.

3.1.2Battery Temperature Sensor

The optional external battery temperature sensor kit, supplied separately from the battery circuit breaker, contains one probe and one temperature transport board.

3.1.3Matching Liebert NXL Battery Cabinet

The optional matching Liebert NXL Battery Cabinet can be used to obtain the desired autonomy time. The battery cabinets are designed to be either attached to the UPS or installed in a separate battery room (for details, see the Liebert NXL Battery Cabinet installation manual, SL-25430, avail- able at Liebert’s Web site www.liebert.com).

3.1.4Matching Module Battery Disconnect—MBD

The optional Module Battery Disconnect (MBD) can be used as a battery disconnect between a bat- tery system and the Liebert NXL UPS. The battery cabinets are designed to be either attached to the UPS or battery cabinet or installed in a separate battery room (for details, see the Liebert NXL Bat- tery Cabinet installation manual, SL-24530, available at Liebert’s Web site www.liebert.com).

3.1.5Load Bus Synch

An optional Load Bus Synch (LBS) system can be used to synchronize two Liebert NXL UPSs or an Liebert NXL UPS to a LiebertSeries 610 UPS (for details, see the Liebert NXL Load Bus Synch man- ual, SL-30105, available at Liebert's Web site: www.liebert.com)

3.2Communication and Monitoring

•Liebert IntelliSlot® Web Card - SNMP/HTTP Network Interface Card

•Liebert IntelliSlot® 485 Web Card - Modbus, J-bus, IGM Net

•Remote Monitoring Services IntelliSlot Card

•RS485/422 Protocol Converter IntelliSlot Card

•Programmable Relay Board

•Input Contact Isolator Board

3.2.1Alber Monitoring System

The matching Liebert NXL Battery Cabinet allows installing an optional Alber Battery monitoring system in the cabinet. The Alber Battery Monitoring by Liebert continuously checks all critical bat- tery parameters, such as cell voltage, overall string voltage, current and temperature. Automatic periodic tests of internal resistance of each battery will verify the battery’s operating integrity. Addi- tional capabilities include automatic internal DC resistance tests and trend analysis providing the ability to analyze performance and aid in troubleshooting.

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