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User Manual 08/2003 Edition

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02.99<br />

5.4.2 <strong>Manual</strong> Data Input (MDI)<br />

Description<br />

5.4.3 Automatic<br />

Description<br />

5.4.4 Tracking mode<br />

Description<br />

Siemens AG <strong>2003</strong> All rights reserved<br />

SIMODRIVE POSMO A <strong>User</strong> <strong>Manual</strong> (POS1) – <strong>08</strong>.03 <strong>Edition</strong><br />

5 Description of the Functions<br />

5.4 Operating modes (only the pos mode)<br />

For SIMODRIVE POSMO A, the MDI mode is replaced when selecting<br />

a single traversing block.<br />

New coordinates are programmed by overwriting one of the traversing<br />

blocks which is then transferred at the next start.<br />

In the ”automatic mode”, traversing blocks and programs can be selected,<br />

started and their behavior significantly influenced via the interface.<br />

When programs are run, it is possible to change over into the ”automatic<br />

single–block mode” using the control signal STW.12. This is used to<br />

test the drive system.<br />

If an axis is in the tracking mode, then the control is disabled and its<br />

position reference value tracks the actual position actual value.<br />

For SIMODRIVE POSMO A, the tracking mode cannot be explicitly<br />

selected.<br />

In fact, it becomes implicitly active if e.g. closed–loop control is no longer<br />

active after withdrawing STW.0.<br />

5-141<br />

5

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