Table of Contents
9
Section 7. Installation
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81
7.1 Moisture Protection
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81
7.2 Temperature Range
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81
7.3 Enclosures
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81
7.4 Power Sources
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82
7.4.1 CR3000 Power Requirement
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83
7.4.2 Calculating Power Consumption
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83
7.4.3 Power Supplies
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83
7.4.3.1 External Batteries
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83
7.4.3.2 Internal Batteries
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84
7.4.3.2.1 Alkaline Battery Base
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84
7.4.3.2.2 Sealed Rechargeable-Battery Base
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85
7.4.3.2.3 Low Profile (No Battery) Base
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88
7.4.4 Vehicle Power Connections
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88
7.4.5 Powering Sensors and Devices
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89
7.4.5.1 Switched Voltage Excitation
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90
7.4.5.2 Switched Current Excitation
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90
7.4.5.3 Continuous Regulated (5 Volt)
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91
7.4.5.4 Continuous Analog Out (0 - 5 Volt)
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91
7.4.5.5 Continuous Unregulated (Nominal 12 Volt)
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91
7.4.5.6 Switched Unregulated (Nominal 12 Volt)
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91
7.5 Grounding
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92
7.5.1 ESD Protection
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92
7.5.1.1 Lightning Protection
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93
7.5.2 Single-Ended Measurement Reference
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95
7.5.3 Ground Potential Differences
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95
7.5.3.1 Soil Temperature Thermocouple
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95
7.5.3.2 External Signal Conditioner
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95
7.5.4 Ground Looping in Ionic Measurements
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96
7.6 CR3000 Configuration
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97
7.6.1 Device Configuration Utility
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97
7.6.2 Sending the Operating System
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98
7.6.2.1 Sending OS with DevConfig
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99
7.6.2.2 Sending OS with Program Send
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100
7.6.2.3 Sending OS with External Memory
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101
7.6.3 Settings
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101
7.6.3.1 Settings via DevConfig
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101
7.6.3.1.1 Deployment Tab
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103
7.6.3.1.2 Logger Control Tab
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107
7.6.3.2 Settings via CRBasic
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108
7.6.3.3 Durable Settings
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108
7.6.3.3.1 "Include" File
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109
7.6.3.3.2 Default.cr3 File
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111
7.6.3.4 Program Run Priorities
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111
7.6.3.5 Network Planner
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112
7.6.3.5.1 Overview
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112
7.6.3.5.2 Basics
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113
7.7 Programming
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114
7.7.1 Writing and Editing Programs
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114
7.7.1.1 Short Cut Editor and Program Generator
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114
7.7.1.2 CRBasic Editor
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114
7.7.1.2.1 Inserting Comments into Program
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115
7.7.2 Sending Programs
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115
7.7.2.1 Preserving Data at Program Send
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115
7.7.3 Syntax
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117