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14.2 Trigger
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Trigger Method
Digital comparison
Trigger modes
Memory recorder Single, repeat, auto
Recorder, Single, repeat
RMS recorder Single, repeat
Trigger source
Analog input, logic input, external trigger, timer trigger
Sources can be set on or off. When all sources are off,
the product is in the free-run state. Trigger settings can
be made independently for each channel. External
trigger (With an external trigger, the triggering occurs on
a falling edge of 2.5 V, or when the terminals are
shorted together.)
Manual trigger
Provided
Trigger conditions
Logical AND or OR of any trigger sources
Trigger types
(analog)
Level trigger, voltage drop trigger*
1
, window trigger,
RMS level trigger*
2
, waveform detection trigger*
3
Trigger type (logic)
Pattern trigger specified by 1, 0, and x
( x means that either 1 or 0 is fine.)
Trigger filter
Memory recorder: OFF, 0.1, 0.2, 0.5, 1.0, 1.5, 2.0, 2.5,
5.0, 10.0 DIV, Recorder: ON, OFF (10 ms fixed)
Trigger level
resolution
0.25%f.s., waveform detection trigger only: 0.1%f.s.
(f.s.=10 DIV)
Pre-trigger
Memory recorder: 0, 2, 5, 10, 20, 30, 40, 50, 60, 70, 80,
90, 95, 100, -95%, RMS recorder: 0, 5, 10 DIV
Trigger timing
Start, Stop, Start&Stop (Recorder)
Trigger output
Open collector output (with 5 V output voltage, active low)
Pulse width 30 ms minimum
Trigger input/
output terminal
Terminal block
14.2 Trigger
(*1): For use when measuring commercial power.
(*2): RMS recorder function only, for use when measuring
DC or commercial power.
(*3): Memory recorder function only, real-time detection
period: 125 μs, maximum sampling rate: 400 kS/s
(time axis: 200 μs/DIV)
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