B&B Electronics 485T Dokumentacja Pobierz pdf (Strona 2)

Documentation Number 485T1995 Manual Table of Contents i

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5105

TABLE OF CONTENTS

INTRODUCTION ...............................................................................1

RS-422 AND RS-485 STANDARDS .................................................1

CONTROLS AND CONNECTIONS ON THE 485T ..........................6

AND B TERMINALS ........................................................................6

ROUND TERMINAL..........................................................................6

HRESHOLD POT..............................................................................7

OSITIVE THRESHOLD EXCEEDED LED .............................................7

EGATIVE THRESHOLD EXCEEDED LED............................................7

RS-422/RS-485 S

WITCH.................................................................8

ERMINATION SWITCH......................................................................8

OWER............................................................................................8

RS-232 D

ATA OUT CONNECTOR ......................................................8

RS-422/485 TEST .............................................................................9

1 2 3 4 5 6 7 ... 13 14

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B&B Electronics 485T Dokumentacja Strona 2