Campbell CR200 Operator's Manual download pdf (Page 61)

Section 4. Sensor Support

4.7.3 Serial Sensors

4.7.3.1 SDI-12 Sensors

The SDI-12 standard allows cable lengths of up to 200 feet. Campbell Scientific

does not recommend SDI-12 sensor lead lengths greater than 200 feet; however,

longer lead lengths can sometimes be accommodated by increasing the wire

gage and/or powering the sensor with a second 12 vdc power supply placed near

the sensor.

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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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Campbell CR200 Operator's Manual Page 61

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