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PC3000 Complete Installation guide iss 12 - Elektro-Trading

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Operator Panels<br />

21-4<br />

Earth loops may occur when the panel and another connected device are both<br />

earthed. 100 Ohms 1/4W carbon resistors may be inserted in the common and screen<br />

lines to minimise circulatory currents.<br />

Alternatively a Eurotherm Controls 261 converter may be used to isolate the second<br />

device.<br />

<strong>PC3000</strong> <strong>Installation</strong> Guide

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