Counts, O counts, Count – Delta RMC151 User Manual
Page 880: E counts
RMC70/150 and RMCTools User Manual
Type: Axis Status Register
RMC70 Address: Primary Input: %MDn.9, where n = 8 + the axis number
Secondary Input: %MDn.24, where n = 8 + the axis number
RMC150 Address: Primary Input: %MDn.9, where n = 8 + the axis number
Secondary Input: %MDn.24, where n = 8 + the axis number
System Tag: Pressure Input: _Axis[n].ActPrsRate, where n is the axis number
Force Input: _Axis[n].ActFrcRate, where n is the axis number
How to Find: Axes Status Registers Pane, Basic tab
Data Type: REAL
Units: Pr/s or Fr/s
Description
The Actual Pressure Rate or Actual Force Rate register is the calculated rate of change in
the Actual Pressure or Actual Force of the axis at any moment. This value is updated
every control loop.
The Actual Pressure Rate or Force Rate may be filtered. See the Actual Pressure/Force
Rate Filter for details.
9.2.1.3.7. Counts
Type: Axis Status Register
RMC70 Address: Primary Input: %MDn.11, where n = 8 + the axis number
Secondary Input: %MDn.27, where n = 8 + the axis number
RMC150 Address: Primary Input: %MDn.11, where n = 8 + the axis number
Secondary Input: %MDn.27, where n = 8 + the axis number
System Tag: Primary Input: _Axis[n].Counts
Secondary Input: _Axis[n].SecCounts
where n is the axis number
How to Find: Axes Status Registers Pane, All tab: Feedback
Data Type: REAL
Units: counts
Description
Counts are the feedback from the transducer. The Counts register is used to calculate the
Actual Position for axes with MDT, SSI, or Quadrature transducers. Axes with voltage or
current input do not have a Counts register. They have a Voltage or Current register.
MDT Inputs:
The Counts are the Raw Counts.
SSI Inputs:
The Counts are the Raw Counts with the Count Offset applied. Also, for absolute
rotary axes, the Counts are in the opposite direction if the Position Unwind is
negative.
The Counts formula for positive Position Unwind is:
Counts = (RawCounts + CountOffset) MOD MaxCounts
For negative Position Unwind, the Counts formula is
Counts = ([MaxCounts-1] - RawCounts + CountOffset) MOD MaxCounts
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Delta Computer Systems, Inc.