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CR800 and CR850 Overview
conflicting use of measurement hardware. In this scheme the main scan has
the highest priority and prevents other sequences from using measurement
hardware until the main scan is completed (including processing). Other tasks,
such as processing from other sequences and communications, can occur while
the main sequence is running. Once the main scan has finished other
sequences have access to measurement hardware with the order of priority
being the background calibration sequence followed by the slow sequences in
the order they are declared in the program. Note that Measurement tasks have
priority over other tasks such as processing and communication to allow
accurate timing needed within most measurement instructions, e.g.
integrations.
OV2.4 Data Tables
The CR800 can store individual measurements or it may use its extensive
processing capabilities to calculate averages, maxima, minima, histograms,
FFTs, etc., on periodic or conditional intervals. Data are stored in tables such
as listed in Table OV2-1. The values to output are selected when running
ShortCut or when writing a datalogger program directly.
Table OV2-1. Typical Data Table
TOA5 Fritz CR800 1079 CR800.Std.1.0 CPU:TCTemp.CR8 51399 Temp
TIMESTAMP RECORD RefT_Avg TC_Avg(1) TC_Avg(2) TC_Avg(3) TC_Avg(4) TC_Avg(5) TC_Avg(6)
TS RN degC DegC DegC DegC DegC DegC DegC
Avg Avg Avg Avg Avg Avg Avg
10/28/2004 12:10 119 23.52 23.49 23.49 23.5 23.49 23.5 23.5
10/28/2004 12:20 120 23.55 23.51 23.51 23.51 23.51 23.51 23.52
10/28/2004 12:30 121 23.58 23.52 23.53 23.53 23.53 23.53 23.53
10/28/2004 12:40 122 23.58 23.53 23.54 23.54 23.54 23.54 23.54
OV2.5 PakBus
®
Communication with the CR800
The CR800 uses the PakBus network communications protocol. PakBus
increases the number of communications and networking options available to
the datalogger. In addition to communicating via its RS-232 and/or CS I/O
ports, the CR800 can also communicate via the digital I/O COM ports.
Some of the advantages of PakBus are:
• Routing – the CR800 can act as a router, passing on messages intended
for another logger. PakBus supports automatic route detection and
selection.
• Short distance networks with no extra hardware – A CR800 can talk to
another CR800 over distances up to 30 feet by connecting 3 wires
between the dataloggers: transmit, receive, and ground. A PC
communicating with one of these loggers (e.g. via a phone modem or RF
to the CS I/O port) can be routed through that datalogger to the other
datalogger.
OV-9
- CR800/CR850 Measurement 1
- Warranty and Assistance 2
- Appendix 7
- Figures 7
- OV1.1.8 Digital I/O (C1-4) 11
- OV1.1.9 Pulse Inputs (P1-2) 12
- OV1.1.10 Program Status 12
- OV1.2.1 CS I/O 12
- OV1.2.2 Computer RS-232 13
- OV2.1 Memory 14
- OV2.2 Programming 14
- OV2.3.1 Pipeline Mode 15
- OV2.3.2 Sequential Mode 15
- OV2.3.3 Slow Sequence Scans 16
- OV2.3.4 Task Priority 16
- OV2.4 Data Tables 17
- OV2.5 PakBus 17
- OV3. Device Configurator 18
- OV3.1 Main DevConfig Screen 19
- OV3.2 Deployment Tab 20
- OV3.2.2 Ports Settings 21
- OV3.2.3 Advanced 23
- OV3.3 Logger Control Tab 24
- OV3.5 Settings Editor Tab 26
- OV3.6 Terminal Tab 27
- OV4. Quick Start Tutorial 28
- OV4.4 PC200W Software 30
- OV4.4.4 Send the Program 35
- OV4.4.5 Monitor Data Tables 35
- OV4.4.6 Collect Data 36
- OV4.4.7 View Data 37
- OV5. Keyboard Display 39
- CR1000KD or CR850 Display 40
- OV5.1 Data Display 41
- CR800 and CR850 Overview 42
- 1.2 Power Requirements 53
- 12V ALKALINE BATTERY PACK 55
- 1.4 Solar Panels 58
- 1.7 CR800 Grounding 59
- 1.10 Maintenance 63
- 1.10.1 Desiccant 64
- 2.1 Data Storage in CR800 69
- 2.2 Internal Data Format 69
- 2.3 Data Collection 70
- 2.4 Data Format on Computer 70
- 3.1.1 Voltage Range 75
- 3.1.4 SettlingTime 77
- Measurements 78
- 3.3 Signal Settling Time 80
- Settling Time 82
- 3.4.1 Error Analysis 83
- Time Minutes 85
- Measured - Actual degrees C 85
- Thermocouple Limits of Error 86
- ± 0.5% Not Estab 86
- Noise on Voltage Measurement 88
- Error Summary 89
- can be minimized by making 90
- CR800 Junction Box 91
- 3.8 Self Calibration 95
- °C) the 96
- °C out into a 96
- Programming 97
- 4.2 Programming Sequence 98
- 4.3 Example Program 100
- CallTable Temp 102
- 4.4 Variable Data Types 103
- 4.5 Numerical Entries 105
- 4.6.1 What is True? 106
- 4.6.2 Expression Evaluation 106
- 4.7 Flags 107
- 4.8 Parameter Types 107
- AngleDegrees 111
- AS type 112
- PipelineMode 114
- SequentialMode 115
- Station Name 115
- Sub, Exit Sub, End Sub 116
- 6.1 Data Table Declaration 119
- 6.2 Trigger Modifiers 120
- OpenInterval 121
- FillStop 123
- DSP4 (FlagVar, Rate) 126
- BufferControl 127
- Remarks 128
- StatusCommand 129
- Highlimit, MinAmp, Form) 144
- Measured raw data: 150
- Calculations: 150
- ΘΘ ΘuNUSsNS 152
- ()(( /)) ( /) 153
- ΘuUS US=− =−21 811 153
- This is a blank page 154
- 7.8 Specific Sensors 156
- 7.9 Peripheral Devices 156
- 7.1 Voltage Measurements 157
- Integ, Mult, Offset) 158
- 7.4 Full Bridges 162
- 7.5 Excitation 164
- 7.6 Self Measurements 165
- Calibrate (Dest, AllRanges) 166
- 7.7 Digital I/O 169
- Timeout, Mult, Offset) 170
- ± 10 mV) and resolution (1.2 171
- Silicon diodes 171
- PortsConfig (Mask, Function) 172
- PortGet (Dest, Port) 172
- PortSet (Port, State) 173
- Constant 174
- ReadIO (Dest, Mask) 176
- Offset) 176
- WriteIO (Mask, Source) 177
- SlowAntenna 179
- Variable 180
- SettlingTime 181
- SDMAddress 184
- TimeQuanta t 185
- SDMSpeed (BitPeriod) 199
- SDMTrigger 199
- SDMX50 (SDMAddress, Channel) 200
- Mult, Offset) 201
- Instructions 203
- ACOS (Source) 204
- ASIN (Source) 206
- ATN (Source) 206
- AvgSpa (Dest, Swath, Source) 208
- Cos (Source) 209
- CosH (Source) 210
- FirstSetStart) 210
- DewPoint (Dest, Temp, RH) 211
- Exp (Numeric Expression) 213
- Frac (Source) 215
- Int, Fix 218
- Ln (Source) 219
- Log (Source) 219
- LOG10 (number) 219
- MaxSpa (Dest, Swath, Source) 220
- MinSpa (Dest, Swath, Source) 220
- Randomize (Number) 227
- RealTime 227
- RectPolar (Dest, Source) 228
- RMSSpa (Dest, Swath, Source) 229
- RND (Source) 229
- SatVP (Dest, Temp) 230
- Sgn (Number) 233
- Sin (Angle) 233
- SinH (Expression) 234
- Sqr (Number) 234
- Tan (Source) 235
- TANH (Source) 236
- Derived Math Functions 239
- Section 9. Program Control 241
- CallTable 242
- Data … Read … Restore 243
- ClockSet (Source) 244
- Delay (Option, Delay, Units) 244
- Do … Loop 245
- FileManage 246
- FileMark (TableName) 247
- For ... Next 247
- RunProgram 251
- ResetTable 252
- Scan … NextScan 252
- SelectCase … EndSelect 253
- Slow Sequence 257
- Timer (TimNo, Units, TimOpt) 259
- WaitDigTrig (Port, Edge) 260
- While…Wend 261
- DisplayMenu/EndMenu 264
- 11.1.1 Constant Strings 267
- 11.1.2 Add Strings 267
- Processing Instructions 268
- LowerCase (SourceString) 269
- StrComp (String1, String2) 270
- UpperCase (SourceString) 270
- Functions 271
- DialVoice (DialString) 272
- BooleanVariable) 273
- SerialClose (ComPort) 274
- SerialFlush (ComPort) 275
- ClockReport 280
- PakBusClock (PakBusAddr) 280
- Routes (Dest) 280
- GetSwath) 281
- TimeOut, Settings) 282
- TimeUntilTransmit 283
- 14.2.2 PakBus Address Setup 291
- 14.2.4 Router Setup 293
- 14.2.5.2 Baud Rates 294
- 14.3 PakBus Concepts 295
- 14.3.2 PakBus Devices 296
- 14.3.3 Neighbor Discovery 296
- 14.3.4 Neighbor Removal 297
- 14.3.6 Routers 298
- 14.3.8 Leaf-Nodes 302
- ComPort_2 303
- PakBusPort 303
- 14.4 Settings Editors 304
Prodotti e manuali riguardandi Misurazione, test & controllo Campbell CR800
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