Chief Delphi - Accelerometer data sheet

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Electrical (http://www.chiefdelphi.com/forums/forumdisplay.php?f=53)

- - Accelerometer data sheet (http://www.chiefdelphi.com/forums/showthread.php?t=32525)

cbolin

19-01-2005 10:35

Re: Accelerometer data sheet

Hi,
The BLACK and RED wires on our plug are definitely switched. Sooo, the RED wire should be connected to COMMON (0V) and the BLACK wire should be connected to VCC (5V). The WHITE wire is the signal wire.

Using an oscope, we oriented the accelerometer so that the sensing axis was perpendicular to gravity. The voltage is about 2.7V (spec sheet says 2.5V). We then laid it down flat into gravity. The voltage changed by exactly 1V. The spec sheet reads 1V/g.

Regards,
ChuckB

Mark McLeod

19-01-2005 12:26

Re: Accelerometer data sheet

Quote:

Originally Posted by FreakyAntelope

When we were putting together our accelerometer, we noticed that the positive line was BLACK, while the negative was RED. Did other people notice this? Or was ours just assembled wrong?

Yes, it's marked on the datasheet FIRST provided. The wires are marked on the device as 1, 2, 3, and the signal, Vcc, Gnd are labeled on the datasheet.
The color mis-match really throws you off doesn't it?
I have to admit though, I prefer a 2-axis accelerometer.

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