Table of Contents
5.9.2 Protection from Voltage Transients — Overview ...................... 85
5.9.3 Factory Calibration — Overview ............................................... 86
5.9.4 Internal Battery — Overview ..................................................... 86
5.10 Datalogger Support Software — Overview ....................................... 86
5.11 PLC Control — Overview ................................................................. 87
5.12 Auto Self-Calibration — Overview ................................................... 89
5.13 Memory — Overview ....................................................................... 89
6. Specifications ............................................................ 91
7. Installation ................................................................. 93
7.1 Enclosures — Details ........................................................................ 93
7.2 Power Supplies — Details ................................................................. 94
7.2.1 CR800 Power Requirement ........................................................ 94
7.2.2 Calculating Power Consumption ................................................ 95
7.2.3 Power Sources ............................................................................ 95
7.2.3.1 Vehicle Power Connections ............................................. 95
7.2.4 Uninterruptable Power Supply (UPS) ........................................ 96
7.2.5 External Power Supply Installation ............................................ 96
7.2.6 External Alkaline Power Supply ................................................ 96
7.3 Grounding — Details ........................................................................ 96
7.3.1 ESD Protection ........................................................................... 97
7.3.1.1 Lightning Protection ........................................................ 98
7.3.2 Single-Ended Measurement Reference ...................................... 99
7.3.3 Ground Potential Differences ................................................... 100
7.3.3.1 Soil Temperature Thermocouple ................................... 100
7.3.3.2 External Signal Conditioner........................................... 100
7.3.4 Ground Looping in Ionic Measurements .................................. 101
7.4 Protection from Moisture — Details ............................................... 102
7.5 CR800 Setup — Details .................................................................. 102
7.5.1 Tools — Setup .......................................................................... 103
7.5.1.1 DevConfig — Setup Tools ............................................ 103
7.5.1.2 Network Planner — Setup Tools ................................... 104
7.5.1.2.1 Overview — Network Planner ............................ 105
7.5.1.2.2 Basics — Network Planner ................................. 106
7.5.1.3 Info Tables and Settings — Setup Tools ....................... 107
7.5.1.4 CRBasic Program — Setup Tools ................................. 108
7.5.1.5 Executable CPU: Files — Setup Tools .......................... 108
7.5.1.5.1 Default.cr8 File ................................
................... 109
7.5.1.5.2 "Include" File ...................................................... 109
7.5.1.5.3 Executable File Run Priorities ............................ 112
7.5.2 Setup Tasks .............................................................................. 113
7.5.2.1 Operating System (OS) — Details ................................. 113
7.5.2.1.1 OS Update with DevConfig Send OS Tab .......... 114
7.5.2.1.2 OS Update with File Control .............................. 115
7.5.2.1.3 OS Update with Send Program Command ......... 116
7.5.2.1.4 OS Update with External Memory and
PowerUp.ini File ............................................. 117
7.5.2.2 Factory Defaults — Installation ..................................... 118
7.5.2.3 Saving and Restoring Configurations — Installation .... 118
7.6 CRBasic Programming — Details ................................................... 119
7.6.1 Program Structure .................................................................... 119
7.6.2 Writing and Editing Programs .................................................. 122
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