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19 BUILT-IN I/O FUNCTION
19.3 Pulse Width Measurement Function
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19
Falling edge flag
This flag turns ON at the end of the 1st pulse width measurement. During measurement in the always measurement mode, it
stays ON.
■Corresponding devices
The device numbers corresponding to each channel are as follows.
■Update timing
Devices are updated by the END instruction.
■Clear timing
The timing when the device is cleared is as follows.
•Power OFFON
• Reset
•STOP/PAUSERUN
• When measurement is started by the HIOEN instruction
When the HCMOV instruction is used, the latest value can be read.
Measurement mode
The measurement mode can be checked. The measurement mode can also be changed during operation by turning special
relays ON/OFF.
OFF: Always measurement mode
ON: 1 time measurement mode
The measurement mode can be changed only by the HCMOV instruction.
■Corresponding devices
The device numbers corresponding to each channel are as follows.
■Update timing
After the measurement mode is changed, devices are updated by the next END instruction.
When the HCMOV instruction is executed, devices are updated immediately.
■Clear timing
The timing when the device is cleared is as follows.
•Power OFFON
• Reset
•STOP/PAUSERUN
• When the measurement mode is changed by the HCMOV instruction
CH1 CH2 CH3 CH4
SM5052 SM5053 SM5054 SM5055
CH1 CH2 CH3 CH4
SM5058 SM5059 SM5060 SM5061