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