Q: What frequency can a Digital input channel handle?
A: It depends: The main board Digital Input Channels can handle 10.000 pulses per second. (10 kHz).
A Digital Input Port on a ML-OI-AX-DI option board (Adding 3 extra digital input ports to the YDOC) is limited to 500 pulses per second. (0,5 kHz)
C: Information on (all) Option Boards can be found at the Option Board page on our website.
T: Check the maximum pulse rate (frequency) delivered by of your sensor before connecting to a Digital Input Port.