Rev 1

 

MX28B-1200+27V PRODUCT MANUAL

 

 

 

 

Test Relay Enable {1}

 

This parameter must be set to “Enable” to permit the eight

Test Relay En m+

[SYSTEM/DIAG]

 

output relays to be manually tested; otherwise, the state of the

Disable

 

 

 

relays will be per system conditions.

 

 

 

 

 

 

 

Test Relay 1 {1}

 

Setting this parameter to “ON” energizes Relay 1 and turns

Test Relay 1

m+

[SYSTEM/DIAG]

 

on the “ALM1” LED on the control unit front panel.

OFF

 

 

 

 

 

 

 

 

 

 

•

 

•

•

 

•

 

•

•

 

•

 

•

•

 

 

 

 

 

 

Test Relay 6 {1}

 

Setting this parameter to “ON” energizes Relay 6 and turns

Test Relay 6

m+

[SYSTEM/DIAG]

 

on the “ALM6” LED on the control unit front panel.

OFF

 

 

 

 

 

 

 

 

 

 

Test Minor Relay {1}

 

Setting this parameter to “ON” energizes the Minor Relay

Test Min Rly

m+

[SYSTEM/DIAG]

 

and turns on the “MIN” LED on the control unit front panel.

OFF

 

 

 

 

 

 

 

 

Test Major Relay {1}

 

Setting this parameter to “ON” de -energizes the Major Relay

Test Maj Rly

m+

[SYSTEM/DIAG]

 

and turns on the “MAJ” LED on the control unit front panel.

OFF

 

 

 

 

 

 

 

 

BATTERY SETUP

 

 

 

 

 

 

 

 

 

Float Voltage {1}

 

Float voltage at 25°C bat tery temperature.

Batt Float

m+

[BATT/PARAM]

 

 

27.00 V

 

 

 

 

 

 

 

Maximum Recharge Current

{1}

Maximum battery recharge current (the system limits the

Batt Max Rech m+

[BATT/PARAM]

 

charging current to this programmable value).

100A

 

 

 

 

 

 

 

 

Compensation Method {1}

 

Activate “000001” or de -activate “000000” battery

Comp Method

m+

[BATT/COMP]

 

temperature compensation.

000000

 

 

 

 

 

 

 

 

 

 

Temperature Compensation

{1}

Temperature compensation between low knee and high knee

Comp TC

m+

[BATT/COMP]

 

in mV/cell/°C. (Compensation equals zero at 25°C.)

- 3.00mV

 

 

 

 

 

 

 

Compensation High Knee {1}

The temperature compensation high knee is the point above

Comp Hknee

m+

[BATT/COMP]

 

which there is no additional battery voltage compensation for

40.0 C

 

 

further increases in temperature.

 

 

 

 

 

 

 

 

Compensation Low Knee {1}

The temperature compensation low knee is the point below

Comp Lknee

m+

[BATT/COMP]

 

which there is no additional battery voltage compensation for

0.0 C

 

 

further decreases in temperature.

 

 

 

 

 

 

 

 

Discharge Threshold {1}

 

An alarm is generated if the battery discharge current exceeds

Batt Disc Thr m+

[BATT/SET-ALM]

 

this value.

100 A

 

 

 

 

 

 

 

 

High Voltage Threshold {1}

 

An alarm is generated if the magnitude of the battery voltage

Batt HV Thr

m+

[BATT/SET-ALM]

 

rises above this value.

28.00 V

 

 

 

 

 

 

 

 

Low Voltage Threshold {1}

 

An alarm is generated if the magnitude of the battery voltage

Batt LV Thr

m+

[BATT/SET-ALM]

 

drops below this value.

22.00 V

 

 

 

 

 

 

 

High Temperature Threshold {1}

An alarm is generated if the battery temperature exceeds this

Batt HT Thr

m+

[BATT/SET-ALM]

 

value.

70.0 C

 

 

 

 

 

 

 

 

Low Temperature Threshold

{1}

An alarm is generated if the battery temperature drops be low

Batt LT Thr

m+

[BATT/SET-ALM]

 

this value.

0.0 C

 

 

 

 

 

 

 

 

37

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American Power Conversion MX28B1200, MX28B2400+27V manual Off, 40.0 C
Page 42 Page 44

MX28B2400+27V, MX28B1200 specifications

The American Power Conversion (APC) MX28B1200 and MX28B2400+27V are advanced power management solutions designed to deliver superior reliability and performance for critical applications. These models are an integral part of APC’s extensive range of uninterruptible power supplies (UPS), catering specifically to high-performance environments such as data centers, server rooms, and industrial systems.

One of the standout features of the MX28 models is their robust power output capability. The MX28B1200 offers a 1200VA power rating, while the MX28B2400+27V boasts a substantial 2400VA rating. This impressive output ensures that connected equipment remains operational during power outages, providing essential backup support and minimizing downtime.

Another key characteristic is their advanced battery management technology, which incorporates intelligent charging systems to extend battery life and improve overall efficiency. This technology helps optimize the charging process, ensuring that the batteries are always in top condition and ready to supply power when needed.

The MX28B series also integrates smart LCD displays that provide real-time information on power conditions, battery status, and system performance. This user-friendly interface allows administrators to monitor the UPS at a glance, facilitating easier management and quicker response times in case of any issues.

In addition to reliable power delivery, the MX28 models emphasize scalability and flexibility. They are designed to support a variety of configurations and are compatible with a range of external battery packs. This ability to adapt means businesses can expand their power capabilities without overhauling their existing systems.

Furthermore, the MX28B series includes advanced protection features against power surges, voltage fluctuations, and other electrical disturbances. This ensures the safety of connected devices, safeguarding against potential damages and enhancing the overall integrity of critical operations.

The design of the APC MX28 models prioritizes efficiency, compliance with global energy standards, and reduced operational costs. This focus on efficiency not only leads to savings but also aligns with sustainable practices, making them an ideal choice for environmentally conscious organizations.

Overall, the APC MX28B1200 and MX28B2400+27V represent a significant advancement in UPS technology, combining power reliability, intelligent management, and environmentally friendly design to support a wide array of demanding applications across various industries.
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