Campbell Scientific CR800 and CR850 Measurement and Control Systems User Manual
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Table of Contents
22
Table 51. CRBasic Parameters Varying Measurement Sequence and
Timing.................................................................................................. 274
Table 52. Analog Voltage Input Ranges with Options for Common Mode
Null (CMN) and Open Input Detect (OID) .......................................... 276
Table 53. Analog Measurements and Offset Voltage Compensation.......... 278 
Table 54. CRBasic Measurement Integration Times and Codes................. 280 
Table 55. ac Noise Rejection on Small Signals........................................... 280 
Table 56. ac Noise Rejection on Large Signals........................................... 281 
Table 57. CRBasic Measurement Settling Times........................................ 283 
Table 58. First Six Values of Settling-Time Data ....................................... 285 
Table 59. Status Table Calibration Entries.................................................. 287 
Table 60. Calibrate() Instruction Results..................................................... 289 
Table 61. Resistive-Bridge Circuits with Voltage Excitation ..................... 292 
Table 62. Analog Input-Voltage Range and Basic Resolution.................... 294 
Table 63. StrainCalc() Instruction Equations .............................................. 296 
Table 64. Pulse-Input Channels and Measurements.................................... 299 
Table 65. Example. E for a 10 Hz input signal............................................ 304 
Table 66. Frequency Resolution Comparison ............................................. 304 
Table 67. Example of Differing Specifications for Pulse-Input Channels .. 305 
Table 68. Time Constants (τ) ...................................................................... 305 
Table 69. Filter Attenuation of Frequency Signals...................................... 306 
Table 70. CR800 Memory Allocation......................................................... 316 
Table 71. CR800 SRAM Memory .............................................................. 317 
Table 72. Data-Storage Drives .................................................................... 318 
Table 73. TableFile()-Instruction Data-File Formats .................................. 320 
Table 74. File-Control Functions ................................................................ 324 
Table 75. CR800 File Attributes ................................................................. 326 
Table 76. Data-Preserve Options................................................................. 327 
Table 77. Powerup.ini Commands .............................................................. 329 
Table 78. File System Error Codes ............................................................. 331 
Table 79. CR800 Telecommunications Options.......................................... 333 
Table 80. PakBus Leaf-Node and Router Device Configuration ................ 336 
Table 81. PakBus Link-Performance Gage ................................................. 340 
Table 82. PakBus-LAN Example Datalogger-Communications Settings ... 344 
Table 83. DNP3 Implementation — Data Types Required to Store Data 
in Public Tables for Object Groups...................................................... 348
Table 84. Modbus to Campbell Scientific Equivalents ............................... 351 
Table 85. CRBasic Ports, Flags, Variables, and, Modbus 
Registers............................................................................................... 352
Table 86. Supported Modbus Function Codes ............................................ 353 
Table 87. API Commands, Parameters, and Arguments ............................. 357 
Table 88. BrowseSymbols API Command Parameters ............................... 359 
Table 89. BrowseSymbols API Command Response ................................. 359 
Table 90. DataQuery API Command Parameters........................................ 363 
Table 91. SetValueEx API Command Parameters ...................................... 368 
Table 92. SetValue API Command Response............................................. 369 
Table 93. ClockSet API Command Parameters........................................... 370 
Table 94. ClockSet API Command Response............................................. 371 
Table 95. ClockCheck API Command Parameters ..................................... 372 
Table 96. ClockCheck API Command Response........................................ 372 
Table 97. Curl HTTPPut Request Parameters............................................. 374 
Table 98. FileControl API Command Parameters....................................... 376 
Table 99. FileControl API Command Response ......................................... 377 
Table 100. ListFiles API Command Parameters ......................................... 377 
Table 101. ListFiles API Command Response............................................ 378 
Table 102. NewestFile API Command Parameters ..................................... 382 
