AVL F-FEM-CON User Manual

65
Operation
F-FEM-CON — User’s Guide
Absolute speed error for F-FEM-CON Advanced as a function of the speed and
the update rate:
Due to the measurement method applied, the accuracy does not depend on the
frequency (and not on the number of teeth) but only on the reference frequency
and the measuring time.
Using an ideal transducer, the maximum speed error depends on the update
rate and the speed, as shown in the diagram above.
If the digital inputs are used for the measurement of the pulse duration (high or
low) or the duty cycle, the errors shown below occur, which depend on the pulse
length or frequency, respectively. For measurements with an incremental
encoder, only the quartz error is relevant.
Fig. 39

AVL F-FEM-CON Specifications

General

Brand	AVL
Model	F-FEM-CON
Category	Measuring Instruments
Language	English