Campbell 0871LH1 Manuals

Campbell 0871LH1 Manuals

Manuals and User Guides for Campbell 0871LH1. We have 1 Campbell 0871LH1 manual available for free PDF download: Instruction Manual

Campbell 0871LH1 Instruction Manual

Campbell 0871LH1 Instruction Manual (27 pages)

Freezing Rain Sensor

Brand: Campbell | Category: Accessories | Size: 0.86 MB

Table of Contents

Table of Contents
3
Purpose
5
General
5
Detailed Principle of Operation
5
Figure 1 MSO Circuit Schematic
7
Figure 2 MSO Circuit Sectional View
7
Figure 3. Freezing Rain Sensor
8
Physical Description
8
Temperature Considerations
8
Power Interruptions
8
Figure 4. Mounting
9
Mounting Considerations
9
Figure 5. Power Supply Connections
10
Figure 6 General Hook-Up Diagram
10
Wiring Diagram
10
Program Examples
11
- Cr23X
  11
- Cr1000
  12
- Appendix A
  14
RS-422 Output Format for Non-Campbell Datalogger Applications
14
Built in Test (BIT)
14
Hardware Built-In-Test (BIT)
14
Continuous Built-In-Test (BIT)
14
BIT Failure that Disables Ice Output
15
Operator-Initiated Tests
16
Initiated Built-In-Test (BIT)
17
Correlation Counting
18
Ice Detector RS-422 String Format
19
Electrostatic Discharge (ESD) Consideration
21
APPENDIX B Freezing Rain Sensor Block Diagram
22
- Figure 7 Functional Block Diagram
  22
- Microcontroller
  23
- Probe Oscillator
  23
- Serial EEPROM
  23
- Watchdog/Reset Circuit
  23
- DC Power Supply
  24
- Drive Coil
  24
- Feedback Coil
  24
- Heater
  24
- Heater Control
  24
- Ice Signal Output
  25
- Status Output
  25
Qualification Capabilities
26
Input/Output Specification
27
- Input/Output Pin Designations
  27

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