Siemens SINAMICS G120 Instruction Manual page 41

Basic positioner (epos) for cu250-2 control units

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Modulo axis

A modulo axis is an axis with an infinite traversing range, e.g.:

• Rotary table

• Conveyor belt

• Roller conveyor

Setting the modulo range

Requirements

• You are online with Startdrive.

• You have selected the "Mechanical system" screen.

Procedure

1. Enable the modulo correction.

2. Define the modulo range.

Example 1: In the case of a rotary table, one load revolution corresponds to 3600 LU. In this

case, the modulo correction is also 3600.

Example 2: For a roller conveyor, 100 motor revolutions corresponds to one production cycle.

For a resolution of 3600 LU per motor revolution, the modulo range is 360000 LU.

Basic positioner

Function Manual, 09/2020, FW V4.7 SP13, A5E34257659B AG

The converter maps the modulo range on the position actual

value. If the load position leaves the modulo range, then the

value range of the position actual value repeats in the convert‐

Commissioning

6.2 Normalizing the encoder signal

er.

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