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Installation Manual for SMX Modules - OEM Automatic AB

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<strong>Installation</strong> <strong>Manual</strong><br />

9 Safety related shut-down thresholds<br />

Plausibility tests with the current position and speed values are per<strong>for</strong>med between both<br />

measuring channels A and B of the <strong>SMX</strong> module as a basic measure, which are then<br />

checked against parameterizable thresholds.<br />

The incremental shut-down threshold describes the tolerable deviation of position<br />

between both sensing channels A and B in the unit of the measuring distance.<br />

The speed shut-down threshold describes the tolerable deviation in speed between both<br />

sensing channels A and B.<br />

Diagnostic functions <strong>for</strong> the determination of optimal parameter values <strong>for</strong> the applications<br />

are available within the SCOPE-dialog of the parameterization tool.<br />

The speed is sensed up to a frequency of 500 Hz or<br />

500 steps/s in the frequency measuring method, below this with a time measuring method.<br />

This results in the following course of the sensing fault:<br />

Fault course V-detection<br />

Faults in %<br />

Frequency, or steps/s<br />

870870340<br />

Note:<br />

The fault can be optimized by choosing a suitable sensor resolution <strong>for</strong> the corresponding<br />

application.<br />

HB-37350-810-01-10E-EN <strong>SMX</strong> installation manual.doc Page 34 of 34

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