Campbell Manufacturing SDM-SW8A User Manuals

Table of Contents

• Revision and Copyright Information

  1
• Warranty and Assistance

  2
• Table of Contents

  3
• SDM-SW8A Switch Closure Input Module

  5
  • 1. Function

    5
  • 2. Specifications

    6
  • 3. Power Supply Considerations

    7
  • 4. Connections

    8
    • 4.1 Connections to Dataloggers and Other SW8As

      8
    • 4.2 Sensor Connections

      8
  • 5. Internal Jumpers

    8
    • 5.1 Address Jumpers

      8
    • 5.2 Measurement Jumpers

      10
  • 6. Datalogger Programming

    10
    • 6.1 CRBasic Programming

      10
    • 6.2 Edlog Programming

      11
  • 7. Datalogger Program Details

    13
    • 7.1 Datalogger Scan Rate

      13
    • 7.2 First Scan

      13
    • 7.3 Watchdog Reset

      13
  • 8. Measurement Applications

    14
    • 8.1 SPDT Switch Closure

      14
    • 8.2 SPST Switch Closure

      15
    • 8.3 DC Voltage Pulse

      15
    • 8.4 Duty Cycle

      15
  • 9. Theory of Operation

    16
• Appendix A. Program Example

  19
• Campbell Scientific Contact Information

  26