Module Scaling and Position Measurement - 1756-PLS

Rollover position, also known as the unwind value, defines the rollover value for the resolver. Configure the 1756-PLS module to operate in Engineering units, such as degrees. These features are located in the
AB:1756 PLS:C:0
module-defined data type Axis substructure.
Rollover Counts
Rollover Counts represent the highest number of counts the 1756-PLS module reaches before wrapping back around to zero. For a single turn of the resolver, RolloverCounts is 4095.
Rollover Position
Rollover Position represents the highest position the 1756-PLS module reaches before wrapping back around to zero. For example, to measure in degrees, set the RolloverPosition to 359. The table provides example RolloverPosition and Count.
Measurement Units
Rollover Position
Rollover Counts
Degrees
359
4095
Tenths of degrees
3599
4095
Percent
99
4095
Hundreth of percent
9999
4095
Millimeters on a 150mm product
149
4095
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