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19 BUILT-IN I/O FUNCTION
19.3 Pulse Width Measurement Function
Pulse width measurement parameters
This section explains the parameters for pulse width measurement.
Set the parameters for pulse width measurement in GX Works3.
Outline of parameters
Parameters for pulse width measurement are input allocation, logical switch ,measurement modes and input response time.
Parameter setting
The following explains how to set the parameters for pulse width measurement.
For input response time, refer to Page 191 General-purpose Input Functions.
Navigation window [Parameter] [FX5UCPU] [Module Parameter] [High Speed I/O] “Input Function"
"Pulse Width Measurement" "Detail Setting"
Window
Displayed items
The items specified in the parameters are stored in special devices when the CPU module is set from STOP
to RUN.
Item Description Setting range Default
Use Pulse Width
Measurement
Set whether to use pulse width measurement or not. • Disable
• Enable
Disable
Input Signal Set input signal. X0 to X7
Logical Switch Set logical switch. • Positive Logic
• Negative Logic
Measurement Mode Set measurement mode. • Always Measurement Mode
• 1 Time Measurement Mode