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Manual – IPOSplus®
6
Modulo function
Position Detection and Positioning
6.7.2
Operating principle
When the modulo function is active, position setpoints are expressed in output units
rather than in increments on the motor shaft.
Examples of output units (GM = motor encoder / GS = synchronous encoder):
• Turntable applications with the output unit 360° correspond to one turntable rotation.
• Conveyor chain with a carrier spacing as output unit.
The mechanism of the application is simulated during startup. You have to specify the
exact number of teeth of the gear unit and the additional gear if required. This informa-
tion is represented in the following SHELL parameters:
• Modulo numerator and denominator P961/P962
• Modulo encoder resolution P963
The user can use the following IPOS
plus®
system variables to specify target positions in
output units for the MOVIDRIVE
®
system software:
• Modulo target position H454 to describe the target position
• Actual modulo position of the output H455 for reading the actual position
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