User Manual

3.5 Model 8940 F/V Unit Settings
52
3.5.2 Pulse Count Measurement
Setting Procedure
Use the CURSOR keys to move among items. Select a setting with the F1 to F8 keys.
Step
Setting Item
Description
1
Select the module No.
[Unit ]
Select the number of the input module to set up.
("Channel Configuration" (
⇒ p. 15))
2
Select the channel No.
[Ch ]
Select the channel number on the input module.
3
Confirm the module
[Module]
Confirm that the display is set for [F/V].
4
Select the measurement mode
[Mode]
Select [Count].
5
Select the measurement range
[Range]
Select the appropriate measurement range. The setting val-
ue is the units per division on the vertical axis.
(Units: c = count)
The RANGE/POSN knob selects the range (
⇒ p. 64).
Refer to the specifications for available ranges (
⇒ p. 92).
6
Select the low-pass filter
[LPF]
To suppress high-frequency components, select a low-pass
filter within the input module (
⇒ p. 66).
[ Off, 5Hz, 500Hz, 5kHz or 100kHz ]
7
Select the probe attenuation
[Probe]
Select according to the cable or probe being used
(
⇒ p. 75).
[ 1:1, 10:1, 100:1, 1000:1(9322+9325) or 1000:1(9322+9418) ]
8
Set the threshold level
[Threshold]
Set the threshold level (⇒ p. 72).
9
Set pull-up
[Pull-Up]
Enable (set On) the pull-up resistance when connecting to an
open-collector output signal. Disable it (Off) for normal mea-
surements (
⇒ p. 71).
[ Off or On ]
Set up scaling
Set as occasion demands.
See
"5.4 Converting Input Values (Scaling Function)" in the
Instruction Manual
([One Ch] Page of Channel Setting Screen)
8
12 3
5
4
6
7
9
The [Frequency] measurement mode is
selected upon system reset.