Hioki LR8431, Instruction Manual

Page: 143 / 204

9.5 Synchronous Measurements with Multiple Instruments
135
3
9
Chapt
er
9 Externa
l Control
Multiple instruments can be synchronized using the external control terminals.

Parallel synchronization
Set one instrument to master, and set the others
to slave.
9.5 Synchronous Measurements with

Multiple Instruments
GND
EXT.TRIG
TRIG OUT
GND
Connection example
EXT.TRIG
TRIG OUT
GND
EXT.TRIG
TRIG OUT
GND
Master
Slave
Slave
Set the master instrument.
1
Press the SET key to open the [System]
screen.
2
Set the
[Trig Out]
setting to [Start] .
Set the slave instrument.
1
Press the SET key to open the [System] screen.
2
Set the
[
External Trg In
]
setting to
[
Trigger
]
.
3
Press the SET key to open the [Trig&Alm]

screen.
4
Set as follows.
Trig Func: On
Timing: Start
Trig Source Start: OR
Ext Trig Start: On
Turn the start trigger setting for all the channels

(analog, pulse) to Off . Failure to do so may start the
measurement without synchronization.
Press the START/STOP key of the slave instrument to start the measurement (trig-
ger waiting state). In this state, press the START/STOP key of the master instru-
ment to start the measurement. The slave instrument will start the measurement at
the same time.
1,2
3,4