Murphy HelmView 450, Installation Manual, Page: 16 / 24

Specifications
Electrical
Display Bonded 4.3” color transmissive TFT LCD
Resolution WQVGA, 480 x 272 pixels, 16-bit color
Aspect Ratio 16:9
Orientation Landscape
Backlighting LED, 500-650 cd/m2 (30,000 hr lifetime)
Microprocessor Freescale iMX35, 32bit, 532 MHz
Operating System QNX Real Time
Flash Memory 256 MB (expandable to 8GB)
RAM 128 Mb DDR2 SDRAM
Operating Voltage 6 - 32 VDC, protected against reverse polarity and load-dump
Power Consumption 10W Max
CAN Two CAN 2.0B; one with NMEA 2000 isolation
RS-485 1 MODBUS Master/Slave
Protocols J1939, NMEA 2000, CANopen
Connection 4 Deutsch DT 6-pin connectors
Keyboard 8 tactile buttons
USB USB 2.0 host (full speed), optional OTG support
Input (1) Resistive, 0-5 V, or 4-20 mA (software configurable)
Video Input (optional) Two NTSC/PAL input channels with one displayed at a time
Output (1) open-drain, capable of sinking 500mA
Real-time Clock With battery backup
Environmental
Operating Temperature -40º C to +85º C
Storage Temperature -40º C to +85º C
Protection IP67, front and back
Emissions and Immunity
Electromagnetic Compatibility: 2004/108/EC J1113/2, 4, 11, 21, 26 and 41
•
EN61000-6-4
•
EN 61000-6-2 (immunity)
•
EN 501121-3-2
•
EN 12895
Vibration Random vibration, 7.86 Grms (5-2000 Hz), 3 axis
Shock
+/−
50G in 3 axes
Mechanical
Case Material Polycarbonate back case
Section 78 00-02-0727
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