Hioki MEMORY HiLOGGER LR8450 Instruction Manual page 181

Configuring External Input/Output (I/O) Terminals
External input terminal (I/O 1, I/O 2, I/O 3) input specifications
Input voltage
Slope
Response pulse
width
5 V
I/O 1
I/O 2
I/O 3
GND
External output terminal (I/O 4) output specifications
Output type
Output voltage
Maximum
switching capacity
Output pulse width
5 V
Ω
10 k
178
0 V to 10 V DC
High level: 2.5 V to 10 V; low level: 0 V to 0.8 V
Rising/falling (user-selectable)
High level period: 2.5 ms or greater; low level period: 2.5 ms or greater
5 V
10 kΩ
100 kΩ
2200 pF
Open-drain output (with 5 V voltage output)
High level: 4.0 V to 5.0 V; low level: 0 V to 0.5 V
Switchable between high and low level output
5 V to 10 V DC, 200 mA
10 ms or greater (trigger output)
I/O 4
GND
2.5 ms or greater
High: 2.5 V to 10 V
Low: 0 V to 0.8 V
The function will activate at the rising or falling edge,
depending on the edge setting.
High: 4.0 V to 5.0 V
Low: 0 V to 0.5 V
10 ms or greater
2.5 ms or greater