Table of Contents
5.2.10.2 DNP3 — Overview
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87
5.2.10.3 Web API — Overview
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87
5.2.11
Security — Overview
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87
5.2.12
Maintenance — Overview
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88
5.2.12.1 Protection from Water
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88
5.2.12.2 Protection from Voltage Transients
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88
5.2.12.3 Calibration
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88
5.2.12.4 Internal Battery — Details
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88
5.3 Datalogger Support Software — Overview
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89
6.
CR6 Specifications
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91
6.1 Voltage Measurements — Specifications
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91
6.2 Resistance Measurements — Specifications
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93
6.3 Voltage and Current Excitation — Specifications
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93
6.4 Vibrating-Wire Measurements — Specifications
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94
6.5 Thermistor Measurements — Specifications
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95
6.6 Period Averaging — Specifications
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95
6.7 Pulse Measurements — Specifications
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96
6.8 Switched Voltage Output — Specifications
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97
6.9 Total System Current — Specifications
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98
6.10 Communications — Specifications
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98
6.11 System — Specifications
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99
6.12 Power Supplies — Specifications
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100
6.13 Compliance — Specifications
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100
6.14 Physical Attributes — Specifications
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101
7.
Installation
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103
7.1 Moisture Protection
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103
7.2 Temperature Range
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103
7.3 Enclosures
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103
7.4 Power Supplies — Details
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104
7.4.1
CR6 Power Requirement
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105
7.4.2
Calculating Power Consumption
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105
7.4.3
Power Sources
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105
7.4.3.1
Uninterruptable Power Supply (UPS)
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106
7.4.4
Vehicle Power Connections
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107
7.5 Switched Voltage Output — Details
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107
7.5.1
Switched-Voltage Excitation
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109
7.5.2
Switched Current Excitation
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109
7.5.3
Continuous Unregulated Voltage (12V Terminal)
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109
7.5.4
Switched Unregulated Voltage (SW12 Terminal)
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109
7.6 Grounding
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110
7.6.1
ESD Protection
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110
7.6.1.1 Lightning Protection
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111
7.6.2
Single-Ended Measurement Reference
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113
7.6.3
Ground-Potential Differences
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114
7.6.3.1 Soil Temperature Thermocouple
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114
7.6.3.2 External Signal Conditioner
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114
7.6.4
Ground Looping in Ionic Measurements
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114
7.7 CR6 Configuration — Details
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115
7.7.1
Device Configuration Utility
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116
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