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3U cPCI 64-Channel Isolated Digital I/O Board

PDF print version of this specification : A4 or Letter

The 64-Channel Digital Input/Output (I/O) Board provides 32 opto-isolated digital output channels, each with internal output status feedback, as well as 32 opto-isolated digital input channels on a single 3U CompactPCI board. A Field-Programmable Gate Array (FPGA) is used to provide access to the digital data over the PCI bus. The 32 output status feedback channels can be used as additional inputs giving a 96-channel board.

I/O channels to system isolation is 2 500 V RMS.

64-Channel Isolated Digital I/O Board
64-Channel Isolated Digital I/O Board


A FPGA is used to control the 32 output channels and read the 32 input channels, and provides the PCI interface. LED optocouplers on all input and output channels provide 2 500 V RMS isolation, while outputs are driven by high-voltage Darlington transistor arrays.

Block Diagram
Block Diagram of the 64-Channel Isolated Digital I/O Board
  • wide input range (5 to 35 V)
  • wide range output (5 to 35 V)
  • Air-Cooled and Conduction-Cooled versions
  • Commercial, Industrial and Ruggedised grades
  • programmable inputs and outputs
  • high output sink current (up to 300 mA)
  • high number of digital inputs and digital outputs
  • internal output feedback
  • voltage isolation on all I/O channels
  • board identification switch
  • DC inputs
  • frontpanel and backpanel I/O options

Formfactor and Bus Interface PICMG 2.0 (R3.0) 3U CompactPCI
32 bit, 66 MHz 3,3 V PCI signaling, 5 V tolerant
Digital Outputs 32 Optically Isolated Open Collector Darlington Transistor
Digital Inputs 32 Optically Isolated DC
Voltage Isolation 2 500 V RMS (I/O channel to system)
Power 3,3 V DC at 0,3 A (1 Watt); 5 V DC at 0,5 A (2,5 Watt)
Input Resistance 5 600 Ohm +/- 5%
MTBF Figures according to MIL-HDBK-217F, Parts Stress Method
Commercial and Industrial Grades Ground Benign, Controlled, 25 C 415 000 hours
Ruggedised Grade Ground, Mobile, 45 C
Naval, Sheltered, 40 C
Airborne, Inhabited Cargo, 55 C
77 000 hours
106 000 hours
73 000 hours
Software Drivers Support for Linux, VxWorks, Windows and others are costed options.
Physical Characteristics
Cooling Type Air-Cooled Conduction-Cooled
Dimensions 100 mm x 160 mm 100 mm x 160 mm
Mass 200 g +/- 10 g 225 g +/- 10 g
Environmental Specifications
Grade Commercial Industrial Ruggedised
- Operating
- Storage
0 C to +55 C
-40 C to +85 C
-15 C to +75 C
-40 C to +85 C
-40 C to + 85 C
-55 C to +125 C
Humidity 0% - 90% 0% - 95% 0% - 95%
Shock 10 g peak for 11 ms 20 g peak for 11 ms 40 g peak for 11 ms
- Sine
- Random

2 g (peak) at 10 Hz to 100 Hz
0,04 g/Hz at 15 Hz to 2 kHz

5 g (peak) at 5 Hz to 2 kHz
0,06 g/Hz at 15 Hz to 2 kHz

10 g (peak) at 5 Hz to 2 kHz
0,1 g/Hz at 15 Hz to 2 kHz
Part Designation Cooling Connector Grade
CCII/DIO/3UCPCI/64C/FP/COM Air Frontpanel Commercial
CCII/DIO/3UCPCI/64C/FP/IND Air Frontpanel Industrial
CCII/DIO/3UCPCI/64C/FP/RGD Air Frontpanel Ruggedised
CCII/DIO/3UCPCI/64C/BP/COM Air Backpanel Commercial
CCII/DIO/3UCPCI/64C/BP/IND Air Backpanel Industrial
CCII/DIO/3UCPCI/64C/BP/RGD Air Backpanel Ruggedised
CCII/DIO/3UCPCI/64C/BP/CC Conduction Backpanel Ruggedised

CDIOSS08 Rev. 1.2 2015-06-30
CCII Systems (Pty) Ltd P.O. Box 171 Rondebosch 7701  South Africa 
Telephone : (+27 21) 683 5490 Facsimile : (+27 21) 683 5435 WWW : www.ccii.co.za

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