Solution:

Basically, user have to decrease its value of those parameter "P", "I" & "D" when user need a swiftly PID response. If the scan time is too short, then user will see follow message appear on the lower screen of VisiDAQ windows, "Timer overrun, slow down the sampling rate. Error Count: xxx". However, the scan time is recommended not less than 0.5 second. Mainly because the peripheral is also not response so quickly.