MoTeC SDL - Manual (Page 51)

MoTeC Appendices 49
Maximum: 32 msec
Pulse Width 100 usec
Measures pulse low time
Resolution: 100 usec
Maximum: 3.2 sec
Speed Inputs
Can be used in two modes: Hall or Magnetic.
In Hall mode a 4700 ohm pullup resistor is connected to 5V and the trigger
levels are fixed.
In Magnetic mode the pullup resistor is disengaged and the trigger levels can
be varied depending on the input frequency.
Update Rate: 100 times / second
Filter Time Constant: 25usec
Speed Input Measurement Methods
Frequency
Resolution 0.1 Hz
Maximum Frequency: 3200 Hz
Falling Edge Triggered
Period 1 usec
Measures period between falling edges
Resolution: 1 usec
Maximum: 32 msec
Period 100 usec
Measures period between falling edges
Resolution: 100 usec
Maximum: 3.2 sec