Hioki LR8400-20, Инструкция по эксплуатации

Страница: 120 / 300

5.1 Triggering Measurement Start and Stop
108
To use an external signal as a trigger source, make the following settings.
Using External Triggering
1
Connect the external trigger signal to the
HiLogger's EXT.TRIG external control termi-
nal. (See the connection procedure on P.45 )
2
Press SET to open the [System] screen.
3
Set the [External Trig In] to [Trigger] (default
setting).
4
Press SET to open the [Trig & Alm] screen.
5
Set triggering criteria (p. 107).
6
Select the slope for the [Ext trig] [Start] and
[Stop] settings.
Select whether triggering occurs on the trigger sig-
nal's upslope or downslope.
This setting is forced Off when [External Trig In] is
set to [Event] on the [System] screen.
7
Confirm whether triggering is provided by an
external signal or by shorting the EXT.TRIG
terminal to GND (only when
[Ext trig] is set to
[
↓
] ).
Setting options: (
∗
: default setting)
Off
∗
External triggering is disabled.
↑
Triggering occurs on the upslope from Low
(0 to 1.0 V) to High (2.5 to 5.0 V).
↓
Triggering occurs on the downslope from
High (2.5 to 5.0 V) to Low (0 to 1.0 V), or
when the EXT TRIG terminal is connected
to a GND terminal.
6
3
2
4
6