Campbell CR200 Manuel de l'opérateur Page 103
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- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Section 9. Programming
The following commands and logical operators are used to construct logical
expressions. CRBASIC EXAMPLE. Logical Expression Examples p. 89
demonstrate some logical expressions.
• IF
• AND
• OR
• NOT
• XOR
• IIF
Table 11. Logical Expression Examples
If X >= 5 then Y = 0
Sets the variable Y to 0 if the expression "X >= 5" is true, i.e. if X is greater than or equal to 5. The CR200(X) evaluates
the expression (X >= 5) and registers in system memory a -1 if the expression is true, or a 0 if the expression is false.
If X >= 5 OR Z = 2 then Y = 0
Sets Y = 0 if either X >= 5 or Z = 2 is true.
If X >= 5 AND Z = 2 then Y = 0
Sets Y = 0 only if both X >= 5 and Z = 2 are true.
If 6 then Y = 0.
"If 6" is true since "6" (a non-zero number) is returned, so Y is set to 0 every time the statement is executed.
If 0 then Y = 0.
"If 0" is false since "0" is returned, so Y will never be set to 0 by this statement.
Z = (X > Y).
Z will equal -1 if X > Y, or Z will equal 0 if X <= Y.
The NOT operator simply complements every bit in the word. A Boolean can only be 0 or have all of its bits set to 1.
Complementing a Boolean will turn TRUE (all bits set) to FALSE (all bits complemented to 0). Since the CR200(X)
cannot declare a variable to be a Boolean data type, IIF is used to force the logical results to either 0 or -1.
Example Program
'(a AND b) = (26 AND 26) = (&b11010 AND &b11010) =
'&b11010. NOT (&b11010) yields &b00101.
'This is non-zero, so when converted to a
'BOOLEAN, it becomes TRUE.
Public a
Public b
Public is_true
Public not_is_true
Public not a and b
BeginProg
a = 26
b = a
Scan (1,Sec)
is_true = IIF(a AND b = 0,0,-1) 'This evaluates to TRUE.
not_is_true = IIF(NOT (is_true) = 0,0,-1) 'This evaluates to FALSE.
not_a_and_b = IIF(NOT (a AND b) = 0,0,-1) 'This evaluates to TRUE!
NextScan
EndProg
89
- 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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