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Download - heidenhain - DR. JOHANNES HEIDENHAIN GmbH

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Synchronization<br />

mode<br />

Invert counting<br />

direction of<br />

incremental<br />

positions<br />

The absolute and the incremental positions are synchronized with each other<br />

at the counting limits (zero crossover of absolute and incremental tracks).<br />

Synchronization inactive:<br />

Synchronization mode active:<br />

Example: 13-bit rotary encoder<br />

If the zero position is rotated into the "minus" range, the absolute code of the absolute track<br />

restarts with the highest position value (in the example: 8191), whereas the incremental counter<br />

starts to count backwards, i.e. -1, -2 …<br />

When the synchronization mode is activated, the incremental counter also starts with the<br />

highest absolute value (in the example: 8191).<br />

Counting limit = Absolute value 'Zero' ( ∅<br />

)<br />

Absolute position [bits] display<br />

The displayed value corresponds to the position value transmitted by the encoder.<br />

(1:1 display of the transferred, non-converted data)<br />

The absolute encoder position is displayed as binary value.<br />

Position 1 represents bit 1 which is the LSB (Least Significant Bit) of the position value.<br />

March 2011 Software Description 45

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