34
Configuring Input Channels
Measuring logic signals
This section describes how to configure settings on the individual settings screen when measuring
logic signals.
You can use the settings list screen to configure the settings. (See p. 52.)
External control terminals: Pulse input terminals P1 to P8
>
>
4
4
1
1
3
3
5
5
2
2
1
Select
[Pulse]
, and choose a channel from
[P1]
to
[P8]
,
Measurement will not be performed for channels whose checkboxes are not selected.
2
Select the waveform display color.
×
(OFF), 24 colors
Select
[×]
if you wish to measure the channel but not to display its waveform on the screen.
3
Set the input type to
[Logic]
.
4
Under
[Threshold]
, select the level to count.
1 V
Treats voltages that are greater than or equal to 1.0 V as high level and voltages that
are greater than or equal to 0 V but less than 0.5 V as low level.
4 V
Treats voltages that are greater than or equal to 4.0 V as high level and voltages that
are greater than or equal to 0 V but less than 1.5 V as low level.
5
Under
[Filter]
, select whether to use the chatter prevention filter.
Set to
[ON]
to prevent false counting due to chatter in mechanical contact (relay) output.
OFF
,
ON
Summary of Contents for LR8450
Page 68: ...64 Observing Waveforms Alarm...
Page 72: ...68 Observing Waveforms 3 Numerical calculation Numerical calculation results...
Page 131: ...128 Acquiring Data with a Computer PC...
Page 175: ...172 Controlling the System...
Page 233: ...230 Controlling the Instrument with Communication Commands...
Page 271: ...268 Plug in Module Specifications...
