Q: What is the purpose of the single 6-32 screw terminal beside the input connector?
A: The 6-32 screw terminal next to the input connector is the -VE Sensor common for the BD1 and BD4 block occupancy detectors.
The 6-32 screw terminal next to the input connector should not be mistaken for the standard system ground.
The LocoNet connector handles all of the DS54’s system ground needs.
Warning: Do Not Connect the 6-32 screw terminal to a house or earth ground (water pipe, electrical ground connection, earth ground stake, etc.) as it may result in damage to the DS54.