Actisense NMEA 0183 Manual de usuario descargar pdf (Pagina 2)

Actisense™

Contents

Important Notices 3

Notices 3

Feedback! 3

NMEA 0183 Introduction 4

The basics 4

Electrical speciﬁcation 4

Communication speciﬁcation 4

Connecting a computer to your NMEA 0183 system 5

Testing the computer connection with ‘HyperTerminal’ 5

Example data using an Actisense talker device 6

Connecting devices together 7

PC OPTO-Isolation cables 7

NMEA Data Multiplexers / Combiners 7

NMEA Buffers 7

NMEA Autoswitches 7

The NMEA 0183 signals 7

The different versions of the NMEA 0183 standard 7

Connecting a differential NMEA talker to other devices 8

NMEA Listener device (1): Standard differential NMEA 0183 v2.0+ device 8

NMEA Interface (2): PC with an opto-isolated input (via Actisense™ PC-OPTO-1) 8

NMEA Listener device (3): Single-ended NMEA interface device 8

Connecting a single-ended NMEA talker to other devices 9

NMEA Listener device (1): Standard differential NMEA 0183 v2.0+ devices 9

NMEA Interface (2): PC with an opto-isolated input (via Actisense™ PC-OPTO-1) 9

NMEA Listener device (3): Single ended NMEA interface devices 9

NMEA 0183 Sentence Format 10

DBT – Depth Below Transducer 11

DPT – Depth 11

MTW – Mean Temperature of Water 11

VHW – Water Speed and Heading 11

VLW – Dual Ground/Water Distance 11

Contact Information 12

Company Information 12

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Actisense NMEA 0183 Manual de usuario Pagina 2