Messtechnik Sachs Irinos IR, User Manual

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Irinos IR Users Manual © 2015 - 2016 Messtechnik Sachs GmbH, Germany
Measurement / Control via MscDll
measurement application.
For better readability, no error handling is done in the code
examples. Nevertheless it should be implemented into the
application.
A pseudo-code is used for the examples. It can be transferred easily
into various programming languages.
All examples use the function WriteCommandStr, which sends and
receives an ASCII-String via the Dll function
MSC_WriteCommand
. It can
also be found in the demo applications.
8.9.1
Example 1: Timer-triggered dynamic measurement
Task
For a working piece with a length of 12cm, the surface planarity of
two sides shall be measured. Therefore an incremental probe is used
for each side (T2 and T3). The working piece is moved constantly
via a servo-drive.
It takes about 2 seconds to move the working piece along the
probes. In order to measure very small non-planarity, a sample rate
of 5.000 samples/s is required.
The position of the working piece is measured via a linear
incremental encoder with 32000 increments/cm (T4). It will be used
for determining the surface planarity.
Example "time-triggered dynamic measurement"
Preliminary considerations
It is known that the measurement takes about 2 seconds; an exact
duration is unknown. Therefore the dynamic measurement must be
started with a longer duration. 4 seconds are chosen. While the