
Publication ICM-UM002F-EN-E - March 2013 31
Installing the XM Dynamic Measurement Module Chapter 2
Figure 2.6 DC Input Power Supply Connections
Connecting the Tachometer Signal
The Dynamic Measurement module provides a single tachometer input signal.
The signal processing performed on the tachometer signal depends on the
configuration of the module. See
Configure the Tachometer Properties on
page 68 for a description of the tachometer parameters.
The power connection is different for different XM modules.
Refer to the installation instructions for your specific XM
module for complete wiring information.
If you are not using the tachometer input, set the Pulses per
Revolution parameter to zero (0). This will disable the
tachometer measurement and prevent the module from
indicating a tachometer fault (TACH indicator flashing yellow).
A tachometer fault occurs when no signal pulses are received
on the tachometer input signal for a relatively long period.
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