Trigger Settings - Adash 4400 VA4 Pro User Manual

Vibration analyzer
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Trigger Settings

Trigger Mode
single
retrig
screen. This means the similar thing. The measurement is repeated until you push the Stop button. Select the
single option when you want only one measurement.
RunUp Mode
taken in the runup mode.
asap
delay.
manual
START needed.
speed
previous measurement speed. The user defines in Speed change(Hz) item, what it is significant change.
time
length is define in Time Change(s).
time or speed This option is the combination of speed and time. The next measurement is taken when
one of them is changed more then the value Speed change(Hz) or Time Change(s).
Speed change(Hz)
must be speed for value entry.
Time change(s)
Every measurement must be triggered ( it means started). When you press the Start button for taking
the measurement, you run only the preparation. When everything is ready to take the data, then the Trigger
Source item is applied.
In RunUp mode is the frequency of measurements controlled by RunUp Mode at first. Then is applied the
Trigger Source:
freerun
anything.
external
defined in External Trig Level) appears on the trigger input. Such signal may be generated e.g. when the
machine starts to work. This type of signal is usually created in the control system.
manual
should push the Start button twice. First pushing is for preparation, second for triggering.
manual sequential
separately. E.g. when AVG=10, then the START button must be used 10 times.
amplitude
which is set by user also in this menu. Both - positive (rising edge) and negative (falling edge) levels are
accepted. The signal amplitude is taken directly from sensor input, no additional filtering is applied.
Examples:
the level is set to 100mV - triggered when the raising signal goes from e.g.99mV to 101mV
the level is set to -100mV - triggered when the falling signal goes from e.g.-99mV to -101mV
For further technical and contact information visit www.adash.eu, email: info@adash.cz
This setting is used in Analyser and Octave Analysis modes.
Only one measurement is taken and displayed
When you use the analogue oscilloscope, you see always the actual new signal on the
This setting is used in RunUp mode. It has to be defined, how often the data will be
The next measurement is taken immediately after previous measurement without any
The user starts next measurement manually. For averaging is only one pushing of
The next measurement is taken when the speed is significantly different from the
All measurement are taken with the same time interval between them. The time interval
1, 10, user
see RunUp Mode section (the previous section). The RunUp Mode
see RunUp Mode section. The RunUp Mode must be time for value entry.
The taking of measured data begin immediately after preparation without waiting for
The taking of measured data begins, when the external signal (voltage level higher then
The taking of measured data begin after pressing the Start button. Remember that you
Similar to manual, but every measurement for averaging must be start
The taking of measured data begin when the signal level exceed the Ampl Trig Level,
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Adash 4400 – VA4Pro

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