Hioki LR8450, Instruction Manual

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Configuring External Input/Output (I/O) Terminals
Unit Measure Channel Trigger Alarm Calculation System
8.3 Configuring External Input/Output (I/O)
Terminals
This section describes how to select functionality for the external I/O terminals.
There are four external I/O terminals: I/O 1 to I/O 4.
You can control the instrument to start and stop measurement or input trigger signals.
I/O 1 to I/O 3 are input terminals, while I/O 4 is an output terminal.
> >
1 1
2 2
3 3
1
Under [External input 1] , [External input 2] , and [External input 3] , select the terminal
functionality.
OFF

Disables the terminal.
Start Starts measurement. (Same operation as the START key)
This setting is not available for [External input 3] .
Stop Stops measurement. (Same operation as the STOP key)
This setting is not available for [External input 3] .
Start/Stop Stops or start measurement when the signal level changes.
This setting is not available for [External input 3] .
Trigger input
Activates a trigger.
This setting is not available for [External input 1] or [External input 2] .
Event input Assigns an event mark.
2
Select the edge.
↑ Operates at the rising edge when changing from low level to high level.
↓

Operates at the falling edge when changing from high level to low level.
3
Under [External output] , select the terminal functionality.
OFF

Disables the terminal.
Trigger output
Outputs a low-level signal when a trigger activates.
8
External Control (EXT
. I/O)