Hioki 8860-50, Instruction Manual

Page: 390 / 490

14.2 External I/O
378
You can input external signals as trigger sources.
When you are using several instruments, you can also synchronize triggers
(p. 379).
1
Connect the cables for the corresponding external input signals to the EXT TRIG
and GND terminals.
2
In the Trigger Settings screen, set External trigger to [On] . (p. 166)
14.2 External I/O
14.2.1 External Trigger Input
(EXT TRIG)
Trigger Input Signals
Voltage range HIGH level: 3.0 to 5.0 V, LOW level: 0 to 0.8 V
Pulse width HIGH level: 50 ns or greater, LOW level: 50 ns or greater
Maximum input voltage -2 to 7 V
Signal Input Procedure
External signal input
Trigger event occurs.
EXT TRIG
HIGH
3.0 to 5.0 V
LOW
0 to 0.8 V
50 ns or greater
50 ns or greater
GND
150 pF
100

3.3 k

5 V
EXT TRIG
[

] [

]
[

]: Rising setting
[

]: Falling setting
[

] [

]
5 V
GND is common. It can be connected to any ground.
Connection procedure:
"14.1 Connecting External Control Terminals" (p. 376)