Campbell Scientific CR9000X Measurement and Control System - Manual (Page 7)

CR9000X Table of Contents
4.1.3 CRBasic Program Editor............................................................. 4-2
4.1.4 Programming CRBASIC's "Basics":........................................... 4-3
4.2 CRBasic Programming ......................................................................... 4-6
4.2.1 Fundamental elements of CRBASIC include: ............................ 4-6
4.2.2 Numerical Entries ....................................................................... 4-7
4.2.3 Programming Structure............................................................... 4-7
4.2.4 Declarations .............................................................................. 4-11
4.2.5 Constants................................................................................... 4-19
4.2.6 Flags.......................................................................................... 4-19
4.2.7 Parameter Types........................................................................ 4-20
4.2.8 Data Tables ............................................................................... 4-20
4.2.9 Measurement Timing and Processing ....................................... 4-24
4.2.10 CRBasic Measurement Instructions........................................ 4-29
4.2.11 Expressions ............................................................................. 4-34
4.3 Program Access to Data Tables .......................................................... 4-39
5. Program Declarations ..............................................5-1
6. Data Table Declarations and Output Processing
Instructions ...........................................................6-1
6.1 Data Table Declaration ......................................................................... 6-1
6.2 Trigger Modifiers ................................................................................. 6-2
6.3 Export Data Instructions..................................................................... 6-11
6.4 Output Processing Instructions ........................................................... 6-13
7. Measurement Instructions .......................................7-1
7.1 Voltage Measurements ......................................................................... 7-3
7.2 Thermocouple Measurements............................................................... 7-5
7.3 Resistive Bridge Measurements............................................................ 7-9
7.3.1 Electrical Bridge Circuits............................................................ 7-9
7.3.2 Bridge Excitation ........................................................................ 7-9
7.3.3 Half Bridges.............................................................................. 7-10
7.3.4 Full Bridges............................................................................... 7-13
7.4 Self Measurements.............................................................................. 7-15
7.5 Peripheral Devices.............................................................................. 7-16
7.6 Pulse/Timing/State Measurements....................................................... 7-36
7.7 Serial Sensors ..................................................................................... 7-42
7.8 CR9052DC & CR9052IEPE Filter Module........................................ 7-43
8. Processing and Math Instructions ..........................8-1
9. Datalogger Control ...................................................9-1
9.1 Program Structure/Control.................................................................... 9-1
9.2 Datalogger Status/Control .................................................................. 9-27
9.3 File Control......................................................................................... 9-53
10. Custom Keyboard Display Menus.......................10-1
iii