Omega Engineering OMG-CONV-485-ISO 사용자 매뉴얼

차례

• INTRODUCTION

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• OVERVIEW

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• W HAT ’S INCLUDED

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• FACTORY DEFAULT SETTINGS

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• CARD SETUP

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• RS-485 ENABLE M ODES

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• LINE TERMINATION AND RECEIVER ECHO OFF/ON

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• OPERATING SYSTEM INSTALLATION (FOR WINDOWS USERS)

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• Installation

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• RS-485 Two-Wire and RS-485 Four-Wire Slave Installation

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• Other Operating Systems

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• SYSTEM INSTALLATION

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• TECHNICAL DESCRIPTION

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• CONNECTOR PIN A SSIGNMENTS

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• RS-232 Signals (DB-25 Female)

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• RS-422/485 Pin Assignments (6 Position Screw Terminal)

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• SPECIFICATIONS

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• ENVIRONMENTAL SPECIFICATIONS

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• M ANUFACTURING

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• M EAN TIME BETWEEN FAILURES (MTBF)

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• PHYSICAL DIMENSIONS

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• APPENDIX A - TROUBLESHOOTING

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• APPENDIX B - HOW TO GET ASSISTANCE

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• APPENDIX C - ELECTRICAL INTERFACE

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• RS-232

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• RS-422

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• RS-485

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• APPENDIX D - GROUND LOOP PHENOMENON

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• W HAT IS GROUND LOOP ?

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• CABLING RECOMMENDATIONS

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• APPENDIX E - ASYNCHRONOUS COMMUNICATIONS

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• APPENDIX F - SILK-SCREEN

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• APPENDIX G - COMPLIANCE NOTICES

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• FEDERAL COMMUNICATIONS COMMISSION STATEMENT

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• EMC DIRECTIVE STATEMENT

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• Figure 1- Dip switch SW1, RS-422

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• Figure 2 – Dip switch SW1, RS-485 ‘Auto’ Enable

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• Figure 3 – Dip switch SW1, RS-485 ‘RTS’ Enable

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• Figure 4 – Dip switch SW1, RS-485 ‘Data’ Enable

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• Figure 5 – Dip switch SW2, Line Termination and Echo Off/On

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• Figure 6 – RS-422 with Termination and Receiver Echo

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• Figure 7 – RS-485 2-wire with Termination and Receiver No Echo

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• Figure 8 – RS-485 2-wire no Termination and Receiver No Echo

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• Figure 9 – OMG-CONV-485-ISOI cabling example

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• Figure 9 - Asynchronous Communications Bit Diagram

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