Model 468, FD694 Speed Output and Speed Event Card
Model 468, FD694 Speed Output and Speed Event Card
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.
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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 |
|
| 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 |
