Mitsubishi Electric MELSEC iQ-F FX5 - Pulse width measurement parameters

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25 HIGH-SPEED INPUT/OUTPUT FUNCTION
25.3 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 325 General-purpose Input Functions.
■CPU module
Navigation window  [Parameter]  [Module model name]  [Module Parameter]  [High Speed I/O]  "Input
Function"  "Pulse Width Measurement"  "Detailed Setting"
Window
Displayed items
■High-speed pulse input/output module
Add the high-speed pulse input/output module.
Navigation window  [Parameter]  [Module Information]  Right-click  Add New Module
After adding the high-speed pulse input/output module, make settings on the screen displayed from the following operation.
Navigation window  [Parameter]  [Module Information]  [1 to 16 (high-speed pulse input/output module)] 
[Module Parameter]  [High Speed I/O]  "Input Function"  "Pulse Width Measurement"  "Detailed Setting"
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. ■FX5S/FX5UJ CPU module
CH1 (X0), CH2 (X1), CH3 (X3), CH4 (X4)
■FX5U/FX5UC CPU module
X0 to X7

Logical Switch Set logical switch. • Positive Logic
• Negative Logic

Measurement Mode Set measurement mode. • Always Measurement Mode
• 1 Time Measurement Mode
