Output module for industrial control with sink and source capability and low heat dissipation
The invention discloses an output module for industrial control with sink and source capability and low heat dissipation. An I/O circuit for use with an industrial controller provides a photovoltaic optical isolator communicating between a controller and a field-side of the I/O circuit, the photovol...
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creator | PASELA DAVID A HILDEBRAN BRETT S TERDAN DALE VAN MINNEN CHARMAINE J O'CONNELL JOHN |
description | The invention discloses an output module for industrial control with sink and source capability and low heat dissipation. An I/O circuit for use with an industrial controller provides a photovoltaic optical isolator communicating between a controller and a field-side of the I/O circuit, the photovoltaic optical isolator (64) eliminating the need for high wattage power dropping circuits for powering the field-side of the I/O circuit from high-voltage field signals. The field effect transistor type transistors permit use of the low-power photovoltaic optical isolator while allowing flexible connections to various field circuit types. |
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An I/O circuit for use with an industrial controller provides a photovoltaic optical isolator communicating between a controller and a field-side of the I/O circuit, the photovoltaic optical isolator (64) eliminating the need for high wattage power dropping circuits for powering the field-side of the I/O circuit from high-voltage field signals. The field effect transistor type transistors permit use of the low-power photovoltaic optical isolator while allowing flexible connections to various field circuit types.</abstract><oa>free_for_read</oa></addata></record> |
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language | chi ; eng |
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subjects | CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING |
title | Output module for industrial control with sink and source capability and low heat dissipation |
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