3.2 Programming of the control software
A real time operating system is installed on the VIBGUARD IIoT system. This operating system contains all of the func-
tions for controlling the measuring components. A web server provides the HTML pages required for operation.
These pages feature a series of parameterization, control and visualization masks.
A measuring program runs in parallel in different sections on the CMS to control the measuring and analysis func-
tions as well as data handling. After the measuring program has been loaded and validated, the measurements start
immediately, in parallel and continuously, in accordance with the configuration. Four parallel data calculation paths
exist for each channel. These paths can be used. In addition, the monitoring of the sensors (SensorCheck) is done
independently of the other measurements that are configured. The recording of the RPM or the Keyphaser signal
(max. two independent RPM inputs) also takes place simultaneously.
Up to six overall readings (Characteristic Group), at least 1x per second for the ‘Always’ persistent setting, and two
spectra or time signals or an envelope (Trending Group), at least 1x per minute, can be generated and stored per
measuring channel. Adaptive storage is generally used to reduce the data volume with maximum benefit and mini-
mum information. If more than the aforementioned trending signals are configured on one channel, such signals
are processed successively and the minute interval may be exceeded under certain circumstances. A 1-minute
interval cannot be adhered to if, for example, a prolonged time signal measurement over 180 seconds is con-
figured.
The continuous storage of data in the minimum time units is only recommended for special cases when inves-
tigating a certain type of behavior over a limited period of time. Otherwise, the data volume becomes too large. It
should also be noted that the data is usually sent via the Internet and the bandwidth is limited in this regard. The
CMS offers intelligent mechanisms for data reduction, such as adaptive storage, in which data is only saved after a
set variable change. There is no data loss with this function.
The measurements and program steps are generally processed continuously. Exceptions may, for example, occur if
a special case for additional and longer diagnostic measurements is started from a 'Diagnostic Group' or is triggered
and processed by an event.
Note!
It is not permissible to make changes to the program sequence.
If, however, changes are to be made, such as the extension of additional operational measurement varia-
bles, this can only be performed by using OMNITREND Center programming software. This software is not
part of the scope of delivery for the CMS, which is why it is advisable for the programming to be done by
trained personnel or by PRUFTECHNIK experts. The software can be purchased from PRUFTECHNIK if
necessary.
The measurement configuration loaded upon delivery is monitored by means of a checksum. If changes have been
made by mistake or for other reasons, such changes are detected and the OMNITREND Center software reports
their occurrence immediately when processing the measurement data.
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Edition: 10.2018
Operation
Содержание FLUKE VIBGUARD IIoT
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