 Mobile DC UPS
Mobile Data Power System
The Mobile Data Power, model MDP-25, is a DC UPS that solves the common problem of lengthy reboot sequences, system crash, data and hard drive corruption in mobile computer work stations due to a low voltage and loss of power as a result of intermittent or poor vehicle battery condition. In addition, the MDP provides a low voltage output warning signal to terminals (such as Motorola® MW 800 series work stations) allowing orderly automatic shutdown of the powered device, protecting data and preventing hard drive corruption.
Utilizing a high speed sensor circuit, when primary vehicle voltage drops below a critical point, the internal 9AH battery is switched on-line in milli-seconds, assuring no interruption to the powered device(s). The MDP-25 has an internal 3 step, temperature compensated charger that maintains its reserve battery at full charge, ready to go on-line when a fault or degradation of primary vehicle battery occurs. This functionality assures continued operation of mobile computers under a variety of adverse vehicle battery conditions.
Housed in a rugged aluminum case and heavy duty mounting plate, the unit is designed for installation in emergency vehicles, service and other utility vehicles that require a steady source of voltage for mobile computers, work stations, and electronics.
Protects mobile computers against system crash, lengthy reboot
sequences, and loss of data due to:
• Voltage dip during engine cranking
• Voltage drop and decay due to loading high power accessories, and aging batteries
• Voltage loss due to cycling of master disconnect switch and battery failure.
Provides supplemental voltage in milli-seconds to mobile data devices
when low vehicle battery is sensed.
• Immediately augments power to electronics when needed and fully powers electronics
if critical low voltage condition persists.
Built-in Multi-Stage filter provides clean power required by mobile electronics
• Eliminates noise and interference
• Transient protection prevents damage to sensitive circuitry due to voltage spikes
Provides output warning signals to mobile computers (such as Motorola®
MW 800 series work stations)
• Initiates low voltage shut down sequence in mobile computer, protecting data and hard drive.
• Alerts when system is operating on battery back-up
Internal 3 stage, temperature compensated charger maintains back-up
battery in fully charge stand-by state.
• Provides isolated power source, 12 volts @ 5 amps for 60 minutes, 10 amps for
20 minutes, 25 amps for 8 minutes
• Battery easily accessed by front panel door
Model MDP-25
Input range: 10.2V – 15.5V (start-up @ 11.5V)
Standby Current Draw: <50mA
Output: 12 VDC
Maximum Load Current: 25 amps
Battery Connect Sequences:
• Internal battery switches online when vehicle battery voltage = 10 V ± 1 V
(Vehicle battery disconnects after 3 seconds if low voltage condition persists)
• Vehicle battery reconnects @ 11.5 V ± 1 V
• Internal Battery Low Voltage Disconnect: < 9.6 V
Battery Specification:
• 9 AH, sealed Lead Acid – typical life 5 years, easily replaced via front panel access door.
• Power delivery @ > 10.2 volts @ 25°C
• 5 amps @ 60 minutes
• 10 amps @ 20 minutes
• 25 amps @ 8 minutes
Output Signals for terminals (such as Motorola® 800 series work stations):
• When imminent Voltage decay to 11.5 VDC is projected (adjustable set point)
• On Charge/Discharge
Internal Battery Charger:
• Charge Current: 2 amps max., three-stage
(Bulk, Absorption, Float)
• Temperature Compensated
Temperature rating:
Operating 0 – 50° C
Mechanical:
• Aluminum case with access door for easy removal of battery
• Heavy duty mounting suitable for commercial vehicle use
• Size: 5.75” H x 6” W x 8.5” D; (14.6 x 15.24 x 21.59 cm)
• Weight: 9.4 lbs.
Options:
• Remote LED indicator panel
• Power OK
• Operating on Back-Up
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