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PCI-A568/T1

The ARINC568 Distance Measuring Equipment Test Simulation card and software provides an easy method for testing and verifying the correct operation of Distance Measuring Equipment (DME) display units.

The product consists of a PCI ARINC568 transmitter card and a WindowsTM GUI package to control the various required tests without the need to have an in depth knowledge of the ARINC interface.

All units are designed to meet the European and US EMC regulations.

PCI-A568/T1 Detail

Hardware:
The YED/PCI-A568-T1 DME Interface Test card is designed to simulate the six-wire ARINC568 interface employed by DME display equipment. As per the ARINC568 specification, this interface consists of a clock, synchronization and data signals. The card is a full “plug and play” product and is compliant with the PCI standard version 2.1. The transmission bit rate is variable under software control over the frequency range of 7.0kHz to 14.0kHz. The output amplitude of the resultant waveforms is fixed at 10V peak-peak. Label 201 is transmitted at a fixed repetition rate of 50mS.
The ARINC568 signals are brought out via a 37-way filtered "D" socket connector.

GUI Software:
The PC software has been designed for use on any Pentium PC with a PCI bus running Microsoft WindowsTM 98/NT4/2000 (later operating systems, including XP, will also be supported - check with YED for further information). The supplied GUI Application software provides full control over the data values that can be transmitted and includes a variety of automatic tests that can be performed.

Test Provided:
SSM
A Special Status Matrix combo box allows for the selection of up to four different operational designations. These are:

  • 00 - Valid Data,
  • 01 - Functional Test,
  • 10 - No Computed data and
  • 11 - Not Assigned.


Frequency Sweep:
A test to automatically sweep the transmitted data word bit rate from 7.0kHz to 14.0kHz and back again has been provided to check the bandwidth reception of the DME unit under test. Dragging the slider provided also provides manual sweep control of this frequency.

Spot Distance Value Selection:
A drop down box is provided that allows for the selection of popular spot distance values. User defined values are also permitted in this box.

Ramping Spot Distance Value:
This test allows for a ramp of transmitted spot distance values. The starting value for the ramp is entered into the "Select Spot Distance" box and the ramp is then initiated by clicking a button.

Decade Ramp Test:
A test to check for sticking adjacent decade wheels on the DME unit under test. This test again starts from the starting value entered and will cycle each digit in turn through 0 to 9.

Variable Ramp Step Time:
The rate of the ramp step increment can be varied between 50mS to 1 second by setting the value in the "Set Ramp Increment" box.

Transmitted Value:
The transmitted value is always displayed in the panel provided.

PCI-A568/T1 Specifications

  • ARINC568 - Label 201 DME Signal source.
  • Simulation of Spot Distances from 000.0 to 399.9 miles.
  • Automatic Ramping of Spot Distances.
  • Automatic 7 to 14kHz bit rate Frequency Sweep.
  • Variable Ramp Step times.
  • Intuitive easy to use Windows software.
  • PCI half-length interface card.
  • Commercial operating temperature range 0 to 70 ºC.


All units are designed to meet the European and US EMC regulations.

PCI-A568/T1 Downloads

   
download Click here to Download the PCI-A568T1 brochure in pdf format
[Size: 268kB]
 
   
   
 
   



 

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