Quote:
Originally Posted by Cecil
I am thinking your pressure switch is backwards. One side needs to be hooked to a signal wire, and the other to ground. When the PD board is unpowered, I would guess that the cRIO would read a closed switch.
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I think the word "backwards" is open for interpretation here. To me it implies that your suggested fix would be to switch the wires from one side of the switch to the other and that would fix it, which is not true as it is a switch.
Quote:
Wild,
I am guessing that you have the pressure switch wired incorrectly. If you are using a PWM cable (almost everyone does), the switch should be connected to the white and black wire. The red wire (the center of the three) should be cut back and insulated.
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Al's wording is much more accurate.