C4 User Manual
The selected menu within the menu options is shown with a *.
See http://avtanski.net/projects/lcd/ for LCD images.
2.1.2 24 VDC Power Source
The 24 VDC power and reference connection to ground only requires having one terminal
connected to the MR board. All other connections can be used for auxiliary sources, as needed.
2.1.3 Reset Buttons
There are three reset buttons. When performing a reset via the reset buttons, press the button
and immediately release it. The fault will reset after 5-6 seconds.
• EQ RST – Resets a seismic fault due to an earthquake
• TLOSS RST – Resets traction loss fault
• EBRK RST – Clears the latching type of fault
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Figure 9: Example of Selected Menu
Figure 10: 24 VDC Connector
Figure 11: Reset Switches
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October 25, 2021