Device Definition – Counter view parameters

The
Counter
 view in the Device Definition dialog includes these parameters:
Parameter
Description
Mode
Specifies the mode in which the counter operates.
Available options are:
  • Count/External Direction
  • Count/Internal Direction
  • Up/Down Pulses
  • Quadrature X1
  • Quadrature X2
  • Quadrature X4
Invert Input A
Specifies whether to invert the indicated input.
  • Cleared – Do not invert the input.
  • Selected – Invert the input.
This parameter is only available when the counter mode is configured as Count/External Direction, Count/Internal Direction, or Up/Down Pulses.
Invert Input B
Specifies whether to invert the indicated input.
  • Cleared – Do not invert the input.
  • Selected – Invert the input.
This parameter is only available when the counter mode is configured as Count/External Direction, Count/Internal Direction, or Up/Down Pulses.
Invert Input A, B
Specifies whether to invert the indicated input.
  • Cleared – Do not invert the input.
  • Selected – Invert the input.
This parameter is only available when the counter mode is configured as Quadrature X1, Quadrature X2, or Quadrature X4.
Input Z Function
Defines the function for the indicated input.
  • Not Used
  • Hold
  • Load
  • Load, Hold
  • Reset
  • Reset, Hold
  • Store
  • Store, Hold
  • Store, Load
  • Store, Load, Hold
  • Store, Reset
  • Store, Reset, Hold
Each counter function (Reset, Store, Load, Hold) can only be triggered by one input.
For example, if you select the Input Z Function as "Reset, Hold", then the options that contain "Reset" and "Hold" are not available to select for the Input00 Function.
If you select any option for Input Z Function, then Input00 Function is automatically set to Not Used.
Invert Input Z
Specifies whether to invert the indicated input.
  • Cleared – A rising edge on Input Z triggers the counter functions.
  • Selected – A falling edge on Input Z triggers the counter functions.
Input00 Function
Defines the function for the indicated input.
  • Not Used
  • Hold
  • Load
  • Load, Hold
  • Reset
  • Reset, Hold
  • Store
  • Store, Hold
  • Store, Load
  • Store, Load, Hold
  • Store, Reset
  • Store, Reset, Hold
Each counter function (Reset, Store, Load, Hold) can only be triggered by one input.
For example, if you select the Input Z Function as "Reset, Hold", then the options that contain "Reset" and "Hold" are not available to select for the Input00 Function.
If you select any option for Input Z Function, then Input00 Function is automatically set to Not Used.
Invert Input00
Specifies whether to invert the indicated input.
  • Cleared – A rising edge on Input00 triggers the counter functions.
  • Selected – A falling edge on Input00 triggers the counter functions.
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