Campbell Scientific CR1000 Measurement and Control System User Manual
Page 14
Table of Contents
14
8.3.1.1 Data Storage....................................................................... 332
8.3.1.1.1 Data Table SRAM .................................................... 333
8.3.1.1.2 CPU: Drive ............................................................... 333
8.3.1.1.3 USR: Drive ............................................................... 333
8.3.1.1.4 USB: Drive ............................................................... 334
8.3.1.1.5 CRD: Drive............................................................... 334
8.3.1.1.6 Data File Formats ..................................................... 335
8.3.2 Memory Conservation ................................................................. 339
8.3.3 Memory Reset.............................................................................. 339
8.3.3.1 Full Memory Reset............................................................. 339
8.3.3.2 Program Send Reset ........................................................... 340
8.3.3.3 Manual Data-Table Reset................................................... 340
8.3.3.4 Formatting Drives .............................................................. 340
8.3.4 File Management ......................................................................... 340
8.3.4.1 File Attributes .................................................................... 342
8.3.4.2 Data Preservation ............................................................... 343
8.3.4.3 External Memory Power-up ............................................... 343
8.3.4.3.1 Creating and Editing Powerup.ini............................. 344
8.3.4.4 File Management Q & A.................................................... 347
8.3.5 File Names................................................................................... 347
8.3.6 File System Errors ....................................................................... 347
8.3.7 Memory Q & A............................................................................ 348
8.4 Telecommunications and Data Retrieval............................................... 348
8.4.1 Hardware and Carrier Signal ....................................................... 349
8.4.2 Protocols ...................................................................................... 350
8.4.3 Initiating Telecommunications (Callback)................................... 350
8.5 PakBus Overview.................................................................................. 351
8.5.1 PakBus Addresses........................................................................ 351
8.5.2 Nodes: Leaf Nodes and Routers .................................................. 351
8.5.2.1 Router and Leaf-Node Configuration................................. 352
8.5.3 Linking PakBus Nodes: Neighbor Discovery.............................. 353
8.5.3.1 Hello-message (two-way exchange) .................................. 354
8.5.3.2 Beacon (one-way broadcast) .............................................. 354
8.5.3.3 Hello-request (one-way broadcast) .................................... 354
8.5.3.4 Neighbor Lists.................................................................... 354
8.5.3.5 Adjusting Links.................................................................. 354
8.5.3.6 Maintaining Links .............................................................. 354
8.5.4 PakBus Troubleshooting.............................................................. 355
8.5.4.1 Link Integrity ..................................................................... 355
8.5.4.1.1 Automatic Packet-Size Adjustment .......................... 355
8.5.4.2 Ping .................................................................................... 356
8.5.4.3 Traffic Flow ....................................................................... 356
8.5.5 LoggerNet Network-Map Configuration ..................................... 356
8.5.6 PakBus LAN Example................................................................. 357
8.5.6.1 LAN Wiring ....................................................................... 357
8.5.6.2 LAN Setup ......................................................................... 358
8.5.6.3 LoggerNet Setup ................................................................ 361
8.5.7 PakBus Encryption ...................................................................... 363
8.6 Alternate Telecommunications.............................................................. 364
8.6.1 DNP3 ........................................................................................... 364
8.6.1.1 Overview............................................................................ 364
8.6.1.2 Programming for DNP3 ..................................................... 364
8.6.1.2.1 Declarations.............................................................. 364
8.6.1.2.2 CRBasic Instructions ................................................ 365
8.6.1.2.3 Programming for Data-Acquisition .......................... 366