Dynalco DST-2000C Direction Sensing Tachometer Manuel d'utilisateur télécharger pdf (Page 10)

10 DST-2000C Instruction Manual

2.4.3 Calibration

• Turn the F-16 power on and verify the Count/Generate switch is in the

Generate position.

• Adjust the F-16 to the full-scale frequency as required by the application. To

compute the full-scale frequency, multiply (the number of discontinuities

sensed) by (the maximum speed) and divide by 60.

Hertz (frequency) = Number of Gear Teeth X RPM divided by 60

• Connect power source to DST-200C

• Turn power on to the DST-2000C.

• Verify that the CW relay energizes.

• Adjust the meter output potentiometer to obtain full-scale deflection on the

G-101 or 5 Vdc on digital voltmeter.

• Reverse the connections of the white and black leads of the transformer and

verify the CCW relay energizes and the CW relay de-energizes.

• Turn the F-16 power off and verify that the CCW relay de-energizes after

approximately 2 seconds.

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Dynalco DST-2000C Direction Sensing Tachometer Manuel d'utilisateur Page 10