Selecting Triggering Criteria (Trigger Source) - Hioki Memory HiLogger LR8401-20 Instruction Manual

Selecting Triggering Criteria (Trigger Source)

Enable the trigger function (set to On), select recording start/stop timing, and set trigger
criteria.
Make these settings on the
"Key Setting Procedure" (p .103)
See:
If trigger settings have been made on the
2. (The settings in steps 1 and 2 are interlinked with those on the
screen.)
1
Select the [CH]
2
Enable triggering [On].
3
Select measurement start/stop timing.
Setting options: (
∗
Start Start recording according to Start Trigger cri-
teria.
Stop Stop recording according to Stop Trigger cri-
teria.
Start/Stop Start and stop recording according to the
Start and Stop Trigger criteria, respectively.
(Start and stop triggers can be set for each channel
independently.)
4
Select trigger combining logic.
Setting options: (
∗
Triggering occurs when any one of the speci-
OR
fied trigger source criteria is met. (includes ex-
ternal trigger signal)
AND Triggering occurs only when all of the specified
trigger source criteria are met. (includes exter-
nal trigger signal)
Triggering Criteria
To apply a trigger when the upslope (↑) of the waveform crosses zero volts:
Trigger: Level
Level: 0 V
Slope: ↑
When [AND] is selected
No triggering occurs initially if trigger
criteria are already met when mea-
surement starts.
Before triggering can occur, trigger cri-
teria must first become invalid once.
5.1 Triggering Measurement Start and Stop
[Trig & Alm] screen.
or [Trig&Alm] Screen.
∗
: default setting)
∗
: default setting)
Start Measurement
[AND]
One waveform has
crossed above 0 V as the
other crosses on the ups-
lope
[CH] screen, skip steps 1 and
3
"Using External
See:
Triggering" (p .108)
T
Start Measurement
[OR]
Either waveform crosses 0V
on the upslope
107
[CH]
3
5
4
T T T