ELEVATOR BUTTON WIRING
Interrupt one of the signal wires from each button and run through the C and NC
contacts for the corresponding relay on the Elevator Expansion Board.
GENERAL PURPOSE INPUTS
The general purpose inputs respond to voltages between 3V and 24V. The inputs will
not respond directly to a switch or relay connection to ground. To use these inputs
with a switch or relay, connect one side of the switch to the input and the other side
of the switch to a supply voltage between 3V and 24V. If desired, you can add a 1k
ohm resistor in series with the switch.
Figure 8: Elevator Board Wiring Diagram
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