Name: Campbell CR850
Brand: Campbell
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CR800/CR850

Measurement and

Control System

Operator’s Manual

Issued: 16.7.13



2000-2013 Campbell Scientific Inc.

Printed under Licence by Campbell Scientific Ltd.

CSL 632

Default Chapter5
- About this Manual5
- Table of Contents7
- C Rbasic Example 42. Using Trigvar to Trigger Data Storage 224
Section 1. Introduction27
- Hello27
- Typography27
Section 2. Cautionary Statements29
Section 3. Initial Inspection31
Section 4. Quickstart Tutorial33
- Primer - CR800 Data-Acquisition33
List of Figures34
List of Tables37
- Hands-On: Measuring a Thermocouple43
Section 5. System Overview57
- CR800 Datalogger58
- Datalogger Support Software76
Section 6. CR800 Specifications79
Section 7. Installation81
- Moisture Protection81
- Temperature Range81
- Enclosures81
- Power Sources82
- CR800 Configuration92
- Programming Resource Library151
Section 8. Operation269
- Voltage270
- Figure 85: PGI Amplifier271
- Figure 86: PGIA with Input Signal Decomposition271
- Input Limits271
- Reducing Error272
- Measurement Sequence273
- Measurement Accuracy274
- Timing274
Section 9. Maintenance397
- Moisture Protection397
- Replacing the Internal Battery397
- Figure 124: Loosening Retention Nuts398
- Table 105. Internal Lithium-Battery Specifications398
- Figure 125: Pulling Edge Away from Panel399
- Figure 126: Removing Nuts to Disassemble Canister399
- Repair400
- Figure 127: Remove and Replace Battery400
Section 10. Troubleshooting403
- Status Table403
- Operating Systems403
- Programming403
- Communications411
- Power Supplies414
- Terminal Emulator421
Section 11. Glossary425
- Terms425
- Concepts449
  - Accuracy, Precision, and Resolution449
Appendix A. Crbasic Programming Instructions451
- Program Declarations451
  - Variable Declarations & Modifiers452
  - Constant Declarations453
- Data-Table Declarations453
  - Data-Table Modifiers453
  - Data Destinations454
  - Final Data Storage (Output) Processing455
    - Single-Source455
    - Multiple-Source456
- Single Execution at Compile457
- Program Control Instructions457
  - Common Program Controls457
  - Advanced Program Controls460
- Measurement Instructions461
  - Diagnostics461
  - Voltage462
  - Thermocouples462
  - Resistive-Bridge Measurements462
  - Excitation463
  - Pulse and Frequency463
  - Digital I/O464
    - Control464
    - Measurement464
  - 465465
  - Specific Sensors465
    - Wireless Sensor Network467
  - Peripheral Device Support468
- Processing and Math Instructions470
  - Mathematical Operators470
  - Arithmetic Operators471
  - Bitwise Operators471
  - Table 112. Arithmetic Operators471
  - Compound-Assignment Operators472
  - Table 113. Compound-Assignment Operators472
  - Logical Operators473
  - Trigonometric Functions474
  - Arithmetic Functions475
  - Integrated Processing477
  - Spatial Processing478
  - Other Functions479
    - Histograms479
- String Functions480
  - String Operations480
  - String Commands481
- Clock Functions483
- Voice-Modem Instructions485
- Custom Keyboard and Display Menus486
- Serial Input / Output487
- Peer-To-Peer Pakbus Communications488
- Variable Management492
- Table 115. Asynchronous-Port Baud Rates492
- File Management493
- Data-Table Access and Management495
- Information Services496
- Modem Control499
- Scada499
- Calibration Functions500
- Satellite Systems501
  - Argos501
  - Goes502
  - Omnisat502
  - Inmarsat-C503
- User Defined Functions503
Appendix B. Status Table and Settings505
- Table 116. Common Uses of the Status Table505
- Table 117. Status-Table Fields and Descriptions506
- Table 118. CR800 Settings518
Appendix C. Serial Port Pinouts527
- CS I/O Communications Port527
- Communications Port527
  - Pin-Out527
  - Power States528
Appendix D. ASCII / ANSI Table531
Appendix E. FP2 Data Format535
Appendix F. Other Campbell Scientific Products537
- Sensors537
  - Wired Sensors Types537
  - Wireless Sensor Network538
- Sensor Input Modules538
- Cameras540
- T Able 132. Voltage Dividers 5540
- Control Output Modules541
- Dataloggers541
- Power Supplies542
- Enclosures544
- Telecommunications Products545
- Data Storage Devices546
- Data Acquisition Support Software546
Index551

Brand	Campbell
Model	CR850
Category	Measuring Instruments
Language	English

Campbell CR850 User Manual

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