4.3.5.2 Defining the parameter Counts Per Meter (DSQC 2000)
Introduction
The Counts Per Meter system parameter is used to calibrate the conveyor encoder.
The Counts Per Meter system parameter belongs to the type Conveyor Ici, in the
topic Process.
xx2100000042
Calculation for Counts Per Meter
The value for the Counts Per Meter system parameter is calculated as follows:
counts value/measured_radians
DescriptionValue
Read from predefined I/O signal on the FlexPendant or
RobotStudio. For example, CNV1, the signal name is
c1counts.
position1/counts value
The encoder’s old value.
Note
The encoders delivered from factory have a preset value.
For an IRC5 system this value is 20,000. This value can
be used to start the calibration with.
old_counts_per_meter
The manually measured radians that the conveyor has
been moved.
measured_radians
Defining Counts Per Meter
Use the following procedure to define Counts Per Meter for the conveyor encoder.
1 Put a mark on the conveyor belt, for example draw a line or attach a piece
of tape, and a mark on the side of the conveyor at the same location.
2 Hot start it to set the current position of the conveyor to zero.
When this variable is applied to a circular conveyor, the actual meaning is counts per radian.
Continues on next page
210 Application manual - PickMaster® Twin - PowerPac
3HAC064218-001 Revision: B
© Copyright 2021 ABB. All rights reserved.
4 Working with PickMaster PowerPac
4.3.5.2 Defining the parameter Counts Per Meter (DSQC 2000)
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