Campbell-scientific SDM-IO16 16-Channel Input/Output Expansion Module Manuale Utente Scaricare il pdf (Pagina 6)

SDM-IO16 Table of Contents

Appendices

A. General Principles of Pulse and Frequency

Measurements ....................................................A-1

A.1 Introduction......................................................................................... A-1

A.2 Frequency and Duty Cycle Measurement Range................................ A-1

A.3 Resolution of Frequency Measurements............................................. A-2

A.4 Resolution of Duty Cycle Measurements............................................ A-2

A.5 Debounce Filtering.............................................................................. A-3

B. Command Code Listing ..........................................B-1

Figures

1. SDM-IO16 (with mounting brackets)........................................................ 1

2. Simplified Equivalent Port Circuits ........................................................... 5

3. Connection Block Diagrams...................................................................... 6

4. Use of Terminal Blocks ............................................................................. 7

5. Address Selection Switch .......................................................................... 8

Tables

1. Datalogger to SDM-IO16 Connections...................................................... 6

2. Bit Period Value....................................................................................... 12

3. Summary of the Common Command Codes relative to Port Number

and Function .................................................................................. 17

1 2 3 4 5 6 7 8 9 10 11 ... 43 44

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Campbell-scientific SDM-IO16 16-Channel Input/Output Expansion Module Manuale Utente Pagina 6