system.
Figure 2-2. DNR-12-1G Technical Specifications
Standard Interfaces
To Host Computer Two independent 1000Base-T Gigabit Ethernet
ports (100/10Base-T compatible)
Distance from host 100 meters, max
Other Interfaces One USB 2.0 controller port, One USB 2.0 slave
port.
Cong/General RS-232, 9-pin “D”
Sync Custom cable to sync multiple racks
I/O Slots Available
DNR-12-1G 12 slots
Data transfer and communications rates
Ethernet data
transfer rate
20 megabytes per second
Analog data
transfer rate
up to 6 megasample per sec (16-bit samples)
DMAP I/O mode update 1000 I/O channels
(analog and/or digital)
in less than 1 millisecond, guaranteed
Processor
CPU Freescale 8347, 400 MHz, 32-bit
Memory 128 MB (not including on-board Flash)
Status LEDs Power supplies within spec, One second system
heart-beat, Attention, Read/Write, Power, Com-
munications Active
Environmental
Temp (operating) Tested to -40 °C to 70 °C
Temp (storage) -40 °C to 85 °C
Humidity 0 to 95%, non-condensing
Vibration
(IEC 60068-2-64) 10–500 Hz, 3 g (rms), Broad-band random
(IEC 60068-2-6) 10–500 Hz, 3 g, Sinusoidal
Shock
(IEC 60068-2-27)
50 g, 3 ms half sine, 18 shocks at 6 orientations;
50 g, 11 ms half sine, 18 shocks at 6 orientations
MTBF 130,000 hours
Physical Dimensions
DNR-12 series 5.25” x 6.2” x 17.5” (3U in a 19” rack)
Power Requirements
Voltage 9 - 36 VDC (AC adaptor included)
Fuse Internal 10 A
Power Dissipation 13 W at 24 VDC (not including I/O boards)
Power Monitoring
I/O board power All internal power supplies monitored to ±1% ac-
curacy. All PS voltages may be read by host. LED
annunciators indicate out of range
Input current Monitored by host, LED indicates overcurrent
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