Hioki 8860-50, Инструкция по эксплуатации

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6.8 Triggering by Logic Signals (Logic Trigger)
160
Trigger Mark
This mark appears when the
trigger setting is enabled.
Logic Trigger
To open the screen: Press the
SET
key

Select with the
SUB MENU
keys

Trigger Settings screen
See Screen Layout (p. 35)
Operating Key Procedure
1
SHEET/PAGE
Select the [Logic] page.
CURSOR
Move the highlight cursor to a trigger number to
be set.
2
Set the AND/OR (trigger combinatorial logic) for logic
triggering.
CURSOR Move the cursor to the [Trigger] item.
F1 to F8 Select either choice.
3
Set the trigger filter (as occasion demands) (p. 149).
CURSOR Move the cursor to the [Filter] item.
F1 to F8 Set the filter width.
4
Set the trigger pattern.
CURSOR Move the cursor to the [ 1 ] to [ 4 ] item.
F1 to F8 Select either choice.
OFF
Logic triggering is disabled. (default setting)
OR
Triggering occurs when input signal logic
matches any setting in the trigger pattern.
AND
Triggering occurs only when input signal logic
matches all settings in the trigger pattern.
Off
Trigger filtering is disabled.
(default setting)
0.1 to 10
Trigger filtering is enabled.
The filter width is set as a number of di-
visions.
Off
Trigger filtering is disabled.
(default setting)
On
Trigger filtering is enabled. Filter width is
10 ms (or 5 ms when the sampling rate
is 100 ns/S)
×
Ignore signal(default setting)
0
Trigger at LOW signal level.
1
Trigger at HIGH signal level.
0|1
Trigger when the signal level changes after
starting measurement (trigger criteria met just
once after starting measurement)
Trigger Pattern
T
Logic Channels
Lch A 1 1
Lch A 2 0
Lch A 3 X
Lch A 4 X
Example 2
Triggering occurs when the input
signal matches both of the following
criteria:
Channel 1 (L Ch A1): HIGH level
Channel 2 (L Ch A2): LOW level
Lch A
Trigger...... AND
[1, 2, 3, 4]: [1 0 × × ]
Trigger Pattern
T
T
Lch A 1 1
Lch A 2 0
Lch A 3 X
Lch A 4 X
Although L Ch A2 criteria are met, L Ch
A1 criteria are met first, so the trigger oc-
curs when L Ch A1 criteria are met.
Channels 1 to 4 of L Ch A
3
4
2 5 6
By selecting F1 [All Settings]
in the [Lch] column, settings
can be made from a dialog.
(p. 159)
T
Setting Example
Example 1
Trigger when the input signal
matches any of the following crite-
ria:
Channel 1 (L Ch A1): HIGH level
Channel 2 (L Ch A2): LOW level
Lch A
Trigger...... OR
[1, 2, 3, 4]: [1 0 × × ]