vmebus systems TECHNICAL SPECIFICATIONS
Input channels: 64 independent floating channels each one fitted with optocoupler.
Input overvoltage: Up to 30% nominal for extended periods. 300% for transitory peaks.
Galvanic isolation: Full galvanic isolation > 1000V on all channels with respect to the VMEbus power & TTL lines.
Input voltage ranges: Can be factory fitted for any range from 3 to 300 VAC/DC.
Input Change Detector: Programmable input sampling rate from 122Hz to 62.5KHz.
Channel protection: 1 W resistor & 1 W zener diode. atr enclosure
Input current (ON): 3 to 5 mA per channel.
Control Register: Manages BIT and enables IRQs.
Front panel LEDs: 64 LEDs. Illuminated when the associated channel is driven by nominal voltage (ON).
Optocoupler frequency: DC to 10KHz.
Power consumption: +5VDC @ 450mA.
Board Weight:
Military R+ & 883.- 565 grams.
Industrial.- 430 grams.
Mechanical size: Single slot 6U (233.4x160 mm).
Mechanical format:
CM-DI-40/A.- Classic IEC-297 mechanics for 19" racks with I/O on front panel.
CM-DI-40/B.-Military IEEE P1101 wedgelocks mechanics for ATR enclosures.
Humidity: Up to 95% RH non-condensing.
Altitude: Sea level up to 15 Km (50,000 ft.).
VMEbus Interface: A24/D16 Standard slave interface.
VMEbus Interrupter: I(1-7). Asserts IRQs to the VME master on channel input changes.
VMEbus addressing:Two jumper blocks provide 256 mapping options in the A24 range.


vme chassis MILITARY DESIGN

q -55 to +125 ºC ceramic military ICs. q MIL-STD-810 D Temperature
q MIL-STD-883 TTL chips & FPGAs. (Methods 501.2 & 502.2).
q MIL-C-55302 Class I Connectors. q MIL-STD-810 D Shock and Vibrations
q MIL-R-39016 Built-In-Test relays. (Methods 514 & 516).
q No PCB tracks in external layers. q MIL-STD-810 D Saline Fog and Dust
q MIL-E-5400 for avionics equipment class 1B (Methods 507 & 509).
(Temperature and Altitude). q Military Class V Printed Circuit Board.


sealed atr chassis MILITARY & INDUSTRIAL VERSIONS


CM-DI-40/I/ACM-DI-40/R/ACM-DI-40/883/B



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