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Technical Manual TNC 360 - heidenhain - DR. JOHANNES ...

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2.3 Humidity<br />

LE<br />

Incorrect<br />

Obstructive<br />

elements<br />

Heat generating<br />

elements<br />

8/95 <strong>TNC</strong> <strong>360</strong> 2 Assembly Hints 3-9<br />

LE<br />

Correct<br />

Permissible humidity: < 75 % in continuous operation,<br />

< 95 % for not more than 30 days p.a. (randomly distributed).<br />

In tropical areas it is recommended that the <strong>TNC</strong> is not switched off, so that condensation is avoided<br />

on the circuit boards. The heat generation prevents condensation and has no further disadvantages.<br />

2.4 Mechanical vibration<br />

Permissible vibration: < 0.5 g<br />

2.5 Mounting position<br />

Note the following fundamental points on mounting:<br />

– Mechanical accessibility<br />

– Permissible environmental conditions<br />

– Electrical noise immunity<br />

– The electrical regulations in effect in your country

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