Campbell Scientific CR3000 Micrologger User Manual
Page 14
Table of Contents
14
8.2.4.3 Component-Built Relays.................................................... 334
8.2.5 Analog Control / Output Devices ................................................ 335
8.2.6 TIMs ............................................................................................ 335
8.2.7 Vibrating Wire............................................................................. 335
8.2.8 Low-level ac ................................................................................ 335
8.3 Memory and Final Data Storage ........................................................... 335
8.3.1 Storage Media.............................................................................. 335
8.3.1.1 Data Storage....................................................................... 338
8.3.1.1.1 Data Table SRAM .................................................... 338
8.3.1.1.2 CPU: Drive ............................................................... 338
8.3.1.1.3 USR: Drive ............................................................... 338
8.3.1.1.4 USB: Drive ............................................................... 339
8.3.1.1.5 CRD: Drive............................................................... 340
8.3.1.1.6 Data File Formats ..................................................... 341
8.3.2 Memory Conservation ................................................................. 344
8.3.3 Memory Reset.............................................................................. 345
8.3.3.1 Full Memory Reset............................................................. 345
8.3.3.2 Program Send Reset ........................................................... 345
8.3.3.3 Manual Data-Table Reset................................................... 345
8.3.3.4 Formatting Drives .............................................................. 345
8.3.4 File Management ......................................................................... 346
8.3.4.1 File Attributes .................................................................... 347
8.3.4.2 Data Preservation ............................................................... 348
8.3.4.3 External Memory Power-up ............................................... 348
8.3.4.3.1 Creating and Editing Powerup.ini............................. 349
8.3.4.4 File Management Q & A.................................................... 352
8.3.5 File Names................................................................................... 352
8.3.6 File System Errors ....................................................................... 352
8.3.7 Memory Q & A............................................................................ 353
8.4 Telecommunications and Data Retrieval............................................... 354
8.4.1 Hardware and Carrier Signal ....................................................... 354
8.4.2 Protocols ...................................................................................... 355
8.4.3 Initiating Telecommunications (Callback)................................... 355
8.5 PakBus Overview.................................................................................. 356
8.5.1 PakBus Addresses........................................................................ 356
8.5.2 Nodes: Leaf Nodes and Routers .................................................. 356
8.5.2.1 Router and Leaf-Node Configuration................................. 357
8.5.3 Linking PakBus Nodes: Neighbor Discovery.............................. 358
8.5.3.1 Hello-message (two-way exchange) .................................. 359
8.5.3.2 Beacon (one-way broadcast) .............................................. 359
8.5.3.3 Hello-request (one-way broadcast) .................................... 359
8.5.3.4 Neighbor Lists.................................................................... 359
8.5.3.5 Adjusting Links.................................................................. 359
8.5.3.6 Maintaining Links .............................................................. 360
8.5.4 PakBus Troubleshooting.............................................................. 360
8.5.4.1 Link Integrity ..................................................................... 360
8.5.4.1.1 Automatic Packet-Size Adjustment .......................... 360
8.5.4.2 Ping .................................................................................... 361
8.5.4.3 Traffic Flow ....................................................................... 361
8.5.5 LoggerNet Network-Map Configuration ..................................... 361
8.5.6 PakBus LAN Example................................................................. 362
8.5.6.1 LAN Wiring ....................................................................... 362
8.5.6.2 LAN Setup ......................................................................... 363
8.5.6.3 LoggerNet Setup ................................................................ 366
8.5.7 PakBus Encryption ...................................................................... 368
8.6 Alternate Telecommunications.............................................................. 369