Hioki LR8401-20 - Revolution Measurement Settings

3.3 Input Channel Settings
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3
3
Chapter 3 Settings
Configure these settings for each pulse channel on which you will be counting pulses
corresponding to revolutions, such as output from a rotary encoder or tachometer. The
revolution measurement is obtained by counting the number of pulses input per second.
Make these settings on the [CH] screen.
See: "Key Setting Procedure" (p .53)
Revolution Measurement Settings
0 V
L
H
1 Select the input unit (PLS&ALM) and channel
(P1 to P8), and check the box to enable the
channel.
2 Select [Revolve].
3 Set the number of pulses per rotation output
from the sensor.
The range is automatically determined by this setting.
4 Select the basis of measurement (Slope).
5 Select the High/Low reference (threshold) val-
ues.
6 Select a filter setting.
Setting options:(  : default setting)
1
 to 1000
Setting options:(  : default setting)

Counts the number of revolutions based on
L - H transitions.

Counts the number of revolutions based on
H - L transitions.
Setting options:(  : default setting)
1V

Judge 1.0 V or higher as HIGH, and 0 to
0.5 V as LOW.
4V Judge 4.0 V or higher as HIGH, and 0 to
1.5 V as LOW.
Setting options:(  : default setting)
Off
Filter is disabled.
On Filter is enabled. Prevents incorrect counts
due to relay contact chatter (noise).
5000 r/s (n=1)
1
: On
: Off
2
3
4
Increment/dec-
rement by 1
Increment/dec-
rement by 10
5
6