Installation Manual for SMX Modules - OEM Automatic AB
Installation Manual for SMX Modules - OEM Automatic AB
Installation Manual for SMX Modules - OEM Automatic AB
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<strong>Installation</strong> <strong>Manual</strong><br />
Attention:<br />
The sensor connections must neither be plugged on nor pulled off during operation. This<br />
could cause damage to electrical components of the encoder. Always de-energize connected<br />
encoders and the <strong>SMX</strong> module be<strong>for</strong>e plugging on or pulling off encoder connections.<br />
Lines twisted in pairs <strong>for</strong> signal transmission acc. to RS485 standard must be used <strong>for</strong> data<br />
and clock signals or track A and track B. The wire cross-section must in each individual case<br />
be chosen in compliance with the current consumption of the encoder and the cable length<br />
required <strong>for</strong> the installation.<br />
The following applies when using absolute encoders:<br />
In Slave-mode the clock signal is generated by an external process and is read in by the<br />
<strong>SMX</strong> module together with the data signal. This type of reading causes a beat which results<br />
in a reading fault of the following magnitude:<br />
F = (reading time of encoder by external system [ms] / 8 [ms] ) * 100 %<br />
The size of the resulting reading fault F must be taken into account when determining the<br />
thresholds in the applied monitoring functions, because this fault cannot be compensated!<br />
HB-37350-810-01-10E-EN <strong>SMX</strong> installation manual.doc Page 27 of 27
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