Leuze BPS 300i - 4 Functions; Position Measurement; Velocity Measurement

Functions
Leuze electronic BPS 300i 26
4 Functions
This chapter describes the functions of the BPS and the parameters for adaptation to the respective appli-
cation conditions and requirements.
The parameters are set via the webConfig tool; see chapter 9 "Leuze electronic webConfig tool –
Extended configuration".
Main functions:
• Position measurement
• Velocity measurement
The following parameters are relevant for the timing of the position and velocity measurement:
• Measurement value preparation
Configurable integration depth/integration time
• Measuring error tolerance
Configurable time-based error suppression
4.1 Position measurement
The output value of the position measurement is calculated from the measurement and the settings for
resolution, preset, offset, etc.
The most important individual parameters for the position measurement are:
4.2 Velocity measurement
The current velocity is ascertained and output on the basis of the respective position values.
The most important individual parameters for the velocity measurement are:
Parameters Description Range/Values
Position resolution The parameter specifies the resolution of the position value.
It acts only on the host interface.
The resolution has no effect on the set parameter values
such as offset or preset.
0.001 mm
0.01 mm
0.1 mm
1 mm
10 mm
or
Free resolution
Measurement unit The parameter specifies the measurement unit of the mea-
sured position and velocity.
The selection of the measurement unit affects all parameters
with measurement units.
Metric (mm)
or
Inch (1/100 in)
Offset The offset is used to correct the position value by a fixed
amount.
If the offset is activated, the offset is added to the position
value. This yields a new output value:
Output value = position value + offset
1 mm
or
inch/100
Preset Like the offset, the preset is used to correct the position
value.
With preset, a preset value is specified. The value is
accepted during a corresponding event (switching input or
fieldbus).
If the preset is activated, this has priority over the offset.
1 mm
or
inch/100