Hioki LR8431-20 - Page 141

9.3 External Signal Output (Trigger Output)
133
3
9
Chapter 9 External Control
Signal Output Procedure
1 Connect the external trigger signal destination
and signal ground to external control termi-
nals 2 (TRIG.OUT) and 1 (GND), respectively.
2 Press the SET key to open the [System]
screen.
3 Select from the [Trig Out] settings.
Setting options: (* default setting)
Trig * Output a signal only when a trigger
event occurs. The signal outputs syn-
chronized to the setting of the trigger
timin
g.
Start Outp
ut a signal even at the start of a
measurement that is not a trigger
event.
For the connection
method (p. 130)
When a trigger event occurs, a pulse wave
changing from the HIGH level (4.0 to 5.0 V) to
the LOW level (0 to 0.5 V) is output from the
TRIG.OUT terminal.
*1.Indicates that in trigger function On, the trigger is set at one of the following - analog
channel, pulse channel or external trigger.
Trigger 
output setting
Trigger
setting
Trigger timing Trigger output timing
Trig Disabled - no output
Enabled
*1
Start Start trigger
Stop Stop trigger
Start/Stop Start trigger/stop trigger
Start Disabled - Start recording
Enabled
*1
Start Start trigger
Stop Start recording/ Stop trigger
Start/Stop Start trigger/stop trigger