Campbell CR200 Návod k obsluze Strana 167
- Strana / 210
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Section 18. Troubleshooting
18.1.2 NAN and ±INF
NAN (not-a-number) and ±INF (infinite) are data words indicating an
exceptional occurrence in CR200(X) function or processing. NAN is a constant
that can be used in expressions such as in CRBASIC EXAMPLE. Using NAN in
Expressions (p. 153) NAN can also be used in the disable variable (DisableVar)
in output processing (data storage) instructions, as indicated in CRBASIC
EXAMPLE. Using NAN in Expressions p. 153.
CRBASIC EXAMPLE 21. Using NAN in Expressions
If WindDir = NAN Then
WDFlag = True
Else
WDFlag=False
EndIf
18.1.2.1 Measurements and NAN
A NAN indicates an invalid measurement.
18.1.2.1.1 Voltage Measurements
The CR200(X) measures voltage inputs ranging from 0 to 2500 mV. Input
signals that exceed this ranges result in an over range indicated by a NAN for
the measured result. A voltage input not connected to a sensor is floating and
the resulting measured voltage often remains near the voltage of the previous
measurement. Floating measurements tend to wander in time, and could
temporarily impersonate a valid measurement.
18.1.2.1.2 SDI-12 Measurements
SDI-12 Measurements
NAN is loaded into the first SDI12Recorder () variable under these conditions:
• When busy with terminal commands.
• When the command is an invalid command.
• When the sensor aborts with CR LF and there is no data.
18.1.2.2 Floating Point Math, NAN, and ±INF
TABLE. Math Expressions and CRBASIC Results (p. 154) lists math
expressions, their CRBASIC form, and IEEE floating point math result for the
CR200(X).
153
- OPERATOR’S MANUAL 1
- Limited Warranty 3
- Assistance 4
- Precautions 5
- Table of Contents 7
- List of Figures 12
- ....................... 86 13
- Section 1. Introduction 15
- 2.1.1.2 Sensors 17
- 2.1.2 CR200(X) Mounting 18
- 2.1.3 Wiring Panel 18
- 2.1.4 Battery Backup 19
- 2.1.5 Power Supply 19
- 2.1.6 Antenna 19
- 2.1.7 Analog Sensors 20
- 2.1.8 Bridge Sensors 20
- 2.1.9 Pulse Sensors 21
- 2.1.10 Digital I/O Ports 22
- 2.1.11 RS-232 Sensors 23
- 2.2.1 Hardware Setup 25
- 2.2.2 Configuration 25
- 2.2.3 PC200W Software Setup 25
- Section 3. Overview 37
- 3.1.2 Sensor Support 39
- 3.1.3.2 Voltage Outputs 41
- 3.1.3.3 Grounding Terminals 41
- 3.1.3.4 Power Terminals 42
- Power In 42
- Power Out 42
- 3.1.4 Power Requirements 43
- 3.1.5.2 User Programming 44
- 3.1.7.1 PakBus 45
- 3.1.8 Maintenance Overview 46
- 3.1.8.3 Calibration 47
- 3.2 PC Support Software 48
- 3.3 Specifications 49
- Section 4. Sensor Support 51
- ±1% of the 52
- Error 53
- 4.2.3 Voltage Range 54
- 4.2.4 Integration 54
- 4.2.5 Self-Calibration 55
- 4.4 Pulse Count Measurement 56
- 4.4.1 Pulse input Channels 57
- 4.4.1.1 Pulse Input (P_SW) 58
- 4.4.1.2 Low-Level AC (P_LL) 59
- 4.6 SDI-12 Recording 60
- 4.7.3 Serial Sensors 61
- Peripherals 63
- 5.2 Other Peripherals 65
- 6.1 Power Requirement 67
- 6.3 Power Supplies 67
- Section 7. Grounding 69
- 7.1.1 Lightning Protection 70
- 8.1 DevConfig 73
- 8.3 Settings 76
- 8.3.1.1 Deployment Tab 78
- 8.3.1.2 Logger Control Tab 79
- 8.3.2 Settings via CRBASIC 80
- 8.3.4 Durable Settings 81
- Section 9. Programming 83
- 9.3.2 CRBASIC Editor 84
- 9.4 Numerical Formats 85
- 9.5 Structure 86
- 9.6.1 Variables 87
- 9.6.1.1 Arrays 88
- 9.6.1.2 Dimensions 89
- 9.6.1.3 Data Types 89
- 9.6.1.4 Flags 89
- 9.6.2 Constants 90
- 9.7.1 Data Tables 91
- 9.7.2 Subroutines 97
- 9.9 Instructions 98
- 9.9.2 Parameter Types 99
- 9.9.3 Names in Parameters 99
- 9.10 Expressions 101
- 9.10.3 Logical Expressions 102
- Abbreviation Process Name 104
- Instructions 107
- 10.2.1 Data Table Modifiers 108
- 10.2.2.2 Multiple-Source 109
- 10.4.1 Common Controls 110
- 10.5.2 Voltage 112
- 10.5.3 Pulse 112
- 10.5.1 Diagnostics 112
- 10.5.4 Digital I/O 113
- 10.5.5 SDI-12 113
- 10.6.2 Logical Operators 114
- 10.6.3.1 Derived Functions 115
- 10.6.4 Arithmetic Functions 116
- 10.6.5 Spatial Processing 117
- 10.7 Clock Functions 118
- 10.8 Serial Input / Output 119
- 10.11 SCADA 121
- 10.12.1 GOES 122
- Library 123
- Examples 125
- 11.4 SDI-12 Sensor Support 126
- Name Command 127
- Response 127
- 11.4.1.1 Addressing 128
- 11.5 Wind Vector 134
- 11.5.2.1 Measured Raw Data 135
- 11.5.2.2 Calculations 135
- Output and Output Processing 139
- 12.1 Data Storage 143
- 12.2 Memory Conservation 144
- 12.3 Memory Reset 144
- Data Retrieval 145
- 13.2 Protocols 146
- 13.4 Data Retrieval 146
- Section 14. PakBus Overview 147
- 14.4.4 Neighbor Lists 149
- 14.4.5 Adjusting Links 149
- 14.5 Troubleshooting 150
- 14.5.2 Ping 151
- 14.5.3 Traffic Flow 152
- Resource Library 153
- 15.1.2.1 Glossary of Terms 154
- 15.1.3.1 Declarations 154
- 15.1.4 Troubleshooting 156
- 16.1 Short Cut 157
- 16.2 PC200W 157
- 16.3 Visual Weather 157
- 16.4 PC400 158
- 16.5 RTDAQ 158
- 16.6 LoggerNet Suite 158
- 16.7 PDA Software 159
- 16.8 Network Planner 159
- 17.1 Temperature Range 161
- 17.2 Moisture Protection 161
- 17.3 Enclosures 161
- Manufacturer Renata 163
- Model CR2016 (3.6V) 163
- Capacity 80 mAh 163
- Section 18. Troubleshooting 165
- 18.1.1.5 TrapCode 166
- 18.1.2 NAN and ±INF 167
- 18.2 Communications 168
- 18.3 Power Supply 169
- Appendix A. Glossary 175
- A.2 Concepts 187
- Calibration table of single 190
- Table 27. CR200(X) Settings 192
- Device PB Address 192
- C.1.1 Pin-Out 195
- Compliance 201
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