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Section 6. Data Table Declarations and Output Processing Instructions
WorstCase Example
This program demonstrates the Worst Case Instruction. Five type T
thermocouples are measured. The event is similar to that in the example for
the DataEvent instruction; the trigger for the start of a data event is when
TC(1) exceeds 30 degrees C. However in this example, the stop trigger is set
immediately true. This is done to set a fixed size for the event which can be
duplicated in the worst case tables. To use the worst case instruction with
events of varying duration, the event table size must be selected to
accommodate the maximum duration expected (or needed). The event consists
of 20 records prior to the start trigger and continues until 100 records
following the start trigger.
The ranking criteria is the number of readings following the trigger that TC(1)
stays above 30 degrees C. The greater the number the “worse” the event.
'CR3000 Series Datalogger
Const NumCases = 5 'Number of Worst Cases to save
Const Max = 1 'A constant to indicate ranking maximum values in worst case
Public RefTemp 'Declare the variable used for reference temperature
Public TC(5) 'Declare the variable used for thermocouple measurements
Public I, NumAbove30 'Declare index and the ranking variable
Units RefTemp = degC
Units TC = degC
DataTable (Evnt,1,125)
DataInterval(0,00,msec,10) 'Set the sample interval equal to the scan
DataEvent(20,TC(1)>30,-1,100) '20 records before TC(1)>30,
'100 records after TC(1)>30
Sample(1,RefTemp,IEEE4) 'Sample the reference temperature
Sample(5,TC,IEEE4) 'Sample the 5 thermocouple temperatures
EndTable
BeginProg
Scan(500,mSec,10,0)
PanelTemp (RefTemp,250)
TCDiff(TC(),5,mV2_5C,1,TypeT,RefTemp,True,0,250,1,0)
CallTable Evnt
IF Evnt.EventEnd(1,1) then 'Check if an Event just Ended
I=100 'Initialize Index
NumAbove30=0 'Zero Ranking Variable
Do 'Loop through the Event table
NumAbove30=NumAbove30+1 'Counting the # of times TC(1)>30
I=I-1
Loop While I>0 and Evnt.TC(1,I)>=30 'Quit looping when at end or TC(1)<30
WorstCase(Evnt,NumCases,Max,0,NumAbove30) 'Check for worst case
EndIf
NextScan
EndProg
6-7
- CR3000 Micrologger 1
- Warranty and Assistance 2
- CR3000 Table of Contents 3
- Appendix 7
- Figures 7
- OV1. Physical Description 10
- OV1.1 Measurement Inputs 11
- OV1.2.1 Peripheral Port 13
- OV1.2.2 CS I/O 13
- OV1.2.3 Computer RS-232 14
- OV2.1 Memory 15
- OV2.2 Programming 15
- OV2.3.1 Pipeline Mode 16
- OV2.3.2 Sequential Mode 17
- OV2.3.3 Slow Sequence Scans 17
- OV2.3.4 Task Priority 17
- OV2.4 Data Tables 18
- OV2.5 PakBus 18
- OV3. Device Configurator 19
- OV3.1 Main DevConfig Screen 20
- OV3.2 Deployment Tab 21
- OV3.2.2 Ports Settings 22
- OV3.2.3 TCP/IP 24
- OV3.2.4 Advanced 25
- OV3.3 Logger Control Tab 26
- OV3.4 Data Monitor Tab 27
- OV3.6 Settings Editor Tab 29
- OV4. Quick Start Tutorial 31
- OV4.4 PC200W Software 32
- OV4.4.4 Send the Program 38
- OV4.4.5 Monitor Data Tables 38
- OV4.4.6 Collect Data 39
- OV4.4.7 View Data 40
- OV5. Keyboard Display 42
- CR3000 Display 43
- CR3000 Overview 44
- 1.2 Power Requirements 58
- 10 D-TYPE ALKALINE BATTERIES 60
- 12V ALKALINE BATTERY PACK 63
- 1.3.3.3 CH100 65
- 1.4 Solar Panels 66
- 1.7 CR3000 Grounding 67
- 1.10 Maintenance 73
- 2.1 Data Storage in CR3000 79
- 2.2 Internal Data Format 81
- 2.3 Data Collection 81
- 2.3.2 Via CF Card 82
- 2.4 Data Format on Computer 83
- 3.1.1 Voltage Range 87
- 3.1.4 SettlingTime 89
- Measurements 90
- ±5 V common mode 91
- 3.3 Signal Settling Time 92
- Settling Time 94
- 3.4.1 Error Analysis 95
- Thermocouple Limits of Error 98
- ± 0.5% Not Estab 98
- Noise on Voltage Measurement 100
- Error Summary 101
- a factor whether or not the 102
- can be minimized by making 102
- CR3000 Junction Box 103
- 3.8 Self Calibration 107
- 3.9 Measurement Accuracy 108
- 3000-3000 110
- Programming 111
- 4.2 Programming Sequence 112
- 4.3 Example Program 114
- CallTable Temp 116
- 4.4 Variable Data Types 117
- 4.5 Numerical Entries 119
- 4.6.1 What is True? 120
- 4.6.2 Expression Evaluation 120
- 4.7 Flags 121
- 4.8 Parameter Types 121
- AngleDegrees 125
- AS type 126
- FormatFloat 128
- PipelineMode 129
- SequentialMode 130
- StationName 131
- Sub, ExitSub, EndSub 131
- This is a blank page 134
- 6.1 Data Table Declaration 135
- 6.2 Trigger Modifiers 136
- OpenInterval 137
- FillStop 139
- CardOut (StopRing, Size) 142
- DSP4 (FlagVar, Rate) 142
- TableOption 143
- BufferControl 144
- Remarks 145
- UpLim3, LoLim4, UpLim4) 153
- SecondDim 156
- PuLim, MinAmp, Form) 160
- Measured raw data: 166
- Calculations: 166
- ΘΘ ΘuNUSs 168
- ( ) (( /)) ( /) 169
- ΘuUS US=− =−21 811 169
- 7.8 Specific Sensors 172
- 7.9 Peripheral Devices 172
- 7.1 Voltage Measurements 173
- Diff. Channel H 173
- Diff. Channel L 173
- Thermocouple 173
- Integ, Mult, Offset) 174
- 7.3 Half Bridges 175
- SettlingTime 177
- 7.4 Full Bridges 178
- 7.5 Excitation 180
- 7.6 Self Measurements 182
- InstructionTimes (Dest) 185
- 7.7 Digital I/O 186
- Constant 187
- ± 10 mV) and resolution 187
- PortsConfig (Mask, Function) 189
- PortGet (Dest, Port) 189
- PortSet (Port, State) 190
- Offset) 194
- WriteIO (Mask, Source) 196
- SlowAntenna 199
- SDMAddress 204
- TimeQuanta t 205
- SDMSpeed (BitPeriod) 218
- SDMTrigger 219
- SDMX50 (SDMAddress, Channel) 220
- Mult, Offset) 220
- Constant or 222
- Instructions 223
- ACOS (Number) 224
- ASIN (Number) 226
- ATN (Number) 226
- ATN2(Y, X) 227
- AvgSpa (Dest, Swath, Source) 228
- COS (Angle) 229
- DewPoint (Dest, Temp, RH) 231
- CSGN (Number) 231
- FIX (Number) 236
- Frac (Number) 236
- INT, FIX 239
- LOG10 (number) 240
- MaxSpa (Dest, Swath, Source) 240
- MinSpa (Dest, Swath, Source) 241
- Randomize (Number) 247
- RealTime 248
- RectPolar (Dest, Source) 249
- RMSSpa (Dest, Swath, Source) 250
- SatVP (Dest, Temp) 251
- SGN (Number) 251
- SIN (Angle) 252
- SINH (NumericExpression) 253
- SQR (Number) 253
- PoissonFactor) 254
- TAN (Angle) 257
- TANH (Expr) 257
- Derived Math Functions 261
- Section 9. Program Control 263
- CallTable 265
- Data … Read … Restore 265
- ClockSet (Source) 266
- Delay (Option, Delay, Units) 266
- Do … Loop 267
- FileMark (TableName) 269
- For ... Next 270
- ResetTable (TableName) 274
- Scan … NextScan 275
- SelectCase … EndSelect 276
- Slow Sequence 279
- WaitDigTrig (Port, Edge) 283
- While…Wend 283
- DisplayMenu/EndMenu 286
- Variable 288
- 11.1.1 Constant Strings 289
- 11.1.2 Add Strings 289
- Processing Instructions 290
- LowerCase (SourceString) 292
- StrComp (String1, String2) 294
- UpperCase (SourceString) 294
- Functions 295
- DialVoice (DialString) 297
- BooleanVariable) 299
- SerialClose (ComPort) 301
- SerialFlush (ComPort) 302
- ClockReport 306
- PakBusClock (PakBusAddr) 311
- Routes (Dest) 312
- GetSwath) 313
- TimeOut, Settings) 318
- TimeUntilTransmit 319
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