Campbell-scientific SDM-SW8A 8-Channel Switch Closure Input Module Instrukcja Użytkownika Pobierz pdf (Strona 3)

SDM-SW8A Table of Contents

PDF viewers note: These page numbers refer to the printed version of this document. Use

the Adobe Acrobat® bookmarks tab for links to specific sections.

1. Function........................................................................1

2. Specifications ..............................................................2

3. Power Supply Considerations....................................3

4. Connections .................................................................4

4.1 Connections to Dataloggers and Other SW8As........................................4

4.2 Sensor Connections ..................................................................................4

5. Internal Jumpers..........................................................4

5.1 Address Jumpers.......................................................................................4

5.2 Measurement Jumpers ..............................................................................6

6. Datalogger Programming............................................6

6.1 CRBasic Programming .............................................................................6

6.1.1 SDMSW8A Instruction...................................................................6

6.1.2 SDMSpeed Instruction....................................................................7

6.2 Edlog Programming..................................................................................9

7. Datalogger Program Details .....................................10

7.1 Datalogger Scan Rate .............................................................................10

7.2 First Scan ................................................................................................10

7.3 Watchdog Reset......................................................................................11

8. Measurement Applications .......................................13

8.1 SPDT Switch Closure.............................................................................13

8.2 SPST Switch Closure..............................................................................13

8.3 DC Voltage Pulse ...................................................................................14

8.4 Duty Cycle..............................................................................................14

9. Theory of Operation ..................................................15

Appendix

A. Edlog Program Example......................................... A-1

1 2 3 4 5 6 7 8 ... 27 28

Brak uwag

Campbell-scientific SDM-SW8A 8-Channel Switch Closure Input Module Instrukcja Użytkownika Strona 3