4-15
IM DL850E-01EN
Trigger Level (Level) and Trigger Hysteresis (Hys)
Set these items for each trigger source.
These items are the same as the trigger level
and hysteresis of the simple trigger.
Trigger Hold-Off (Hold Off), Trigger Position (Position), Trigger Delay (Delay)
These items are the same as trigger hold-off , trigger position , and trigger delay
of the simple trigger.
Wave Window Trigger (Enhanced)
The DL850E/DL850EV creates real-time templates (Wave Window) using a number of cycles directly preceding
the current waveforms. The DL850E/DL850EV compares the current waveforms to the real-time templates and
triggers if one of the current waveforms falls outside of its real-time template.
Current waveform
Real-time template
Trigger
Average of 1, 2, or
4 cycles
The DL850E/DL850EV compares
the current waveform to the
real-time template and triggers if
the current waveform falls
outside of the real-time template.
Measured waveform
Tolerance
width
Average waveform
+ tolerance width
Reference cycles (example: the waveforms for
the four previous cycles)
Trigger Source
You can select the trigger sources from CH1 to CH16. The modules that you can use as sources for the Wave
Window trigger are listed below. You cannot use other modules or temperature-measurement channels as
sources.
701250 (HS10M12) 701251 (HS1M16) 701255 (NONISO_10M12) 701267 (HV (with RMS))
701261 (UNIVERSAL) (only voltage measurement) 701262 (UNIVERSAL (AAF)) (only voltage measurement)
701270 (STRAIN_NDIS) 701271 (STRAIN_DSUB) 701275 (ACCL/VOLT) 720210 (HS100M12)
Template Channels (Condition)
Select which trigger sources to use to make real-time templates. The DL850E/DL850EV triggers if the condition
of even one of the channels is met.
ON Use
OFF Don’t use
Tolerance Width (Width)
To create a real-time template for a channel, set the distance from the averaged waveform (of 1, 2, or 4 cycles
before the current waveform) that will be tolerated. The range within which you can set the distance varies
depending on the type of signal being measured.
Signal Type Selectable Range Default Resolution
Voltage 0.01 × the voltage scale to 10 × the voltage scale 0.01 div
Same as the trigger level
resolution
Strain 1 μSTR to (measurement range) × 2
or 0.0005 mV/V to (measurement range) × 2
1 μSTR
0.0005 mV/V
Acceleration 0.01 Unit to (Unit/div) × 10 10 mUnit
For example, when Width is set to 2 V, the tolerance width is ±1 V around the averaged waveform.
4 Triggering
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