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Model 468, FD694 Speed Output and Speed Event Card

Model 468, FD694 Speed Output and Speed Event Card

SKU: 468-A28477Categories: Electronics, Wheel Slip Board

The wheel slip panel assembly contains all the wheelslip-slide detection electronics and relays. The major portion of the electronic components is mounted on six plug-in cards. Matrix reverse-engineered the six plug-in cards that meet original engineering specifications.


Product Details

FD694 – Speed Output and Speed Event Card – This card has an input voltage proportional to speed and a speedometer output signal proportional to speed. It controls two speed events; train overspeed and air conditioning damper.

The cards plug into sockets mounted on the panel base. Connecting pins in each plug are mated such that the circuits on each card are connected through wiring in the panel or other cards and to the connector pins.

Electrical Specifications

Nominal Input Voltage 24VDC/37.5 VDC/74VDC
Nominal Input Voltage Range
  • 18 ‐ 30VDC
  • 20 – 50 VDC
  • 60 – 95 VDC
No. of Independent Channels 7 LED Channels
Power 23 Watts
Input Protection Reverse Voltage Protection
High / Low Voltage Protection
Spike and Transient Protection
Warranty 5 Years

Mechanical Specifications

Size 7.830″ X 7.000″ X 0.940″
Connections Connector
Mount Socket


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