Mitsubishi Electric MELSEC-L Series User Manual page 72

The pulse width that the input module takes as input data differs depending on the input response time.
The pulse width taken as input data differs depending on the input response time.
Therefore, fully consider the operating environment when setting the input response time,
1ms
5ms
10ms
20ms
70ms
70
Input response time Minimum value of pulse width possibly taken as input date
0.3ms
3ms
6ms
12ms
45ms