Campbell Scientific CR5000 Measurement and Control Module - Manual (Page 4)

CR5000 TABLE OF CONTENTS
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3. CR5000 MEASUREMENT DETAILS
3.1 Analog Voltage Measurement Sequence .............................................................................. 3-1
3.2 Single Ended and Differential Voltage Measurements .......................................................... 3-4
3.3 Signal Settling Time ............................................................................................................... 3-5
3.4 Thermocouple Measurements ............................................................................................... 3-7
3.5 Bridge Resistance Measurements....................................................................................... 3-17
3.6 Measurements Requiring AC Excitation .............................................................................. 3-19
3.7 Pulse Count Measurements................................................................................................. 3-20
3.8 Self Calibration..................................................................................................................... 3-21
4. CRBASIC - NATIVE LANGUAGE PROGRAMMING
4.1 Format Introduction................................................................................................................ 4-1
4.2 Programming Sequence ........................................................................................................ 4-2
4.3 Example Program .................................................................................................................. 4-4
4.4 Numerical Entries................................................................................................................... 4-7
4.5 Logical
Expression Evaluation............................................................................................... 4-7
4.6 Flags ...................................................................................................................................... 4-8
4.7 Parameter Types ................................................................................................................... 4-9
4.8
Program Access to Data Tables .......................................................................................... 4-10
5. PROGRAM DECLARATIONS ........................................................................................... 5-1
6. DATA TABLE DECLARATIONS AND OUTPUT PROCESSING INSTRUCTIONS
6.1 Data Table Declaration .......................................................................................................... 6-1
6.2 Trigger Modifiers .................................................................................................................... 6-2
6.3 Export Data Instructions......................................................................................................... 6-8
6.4 Output Processing Instructions............................................................................................ 6-11
7. MEASUREMENT INSTRUCTIONS
7.1 Voltage Measurements .......................................................................................................... 7-3
7.2 Thermocouple Measurements ............................................................................................... 7-3
7.3 Half Bridges............................................................................................................................ 7-5
7.4 Full Bridges ............................................................................................................................ 7-8
7.5 Current Excitation ................................................................................................................ 7-11
7.6 Excitation/Continuous Analog Output .................................................................................. 7-13
7.7 Self
Measurements .............................................................................................................. 7-15
7.8 Digital I/O ............................................................................................................................. 7-19
7.9 Peripheral Devices............................................................................................................... 7-29
8. PROCESSING AND MATH INSTRUCTIONS ............................................................... 8-1
9. PROGRAM CONTROL INSTRUCTIONS ....................................................................... 9-1
APPENDIX
A. CR5000 STATUS TABLE .................................................................................................... A-1
INDEX ......................................................................................................................................... INDEX-1