Table of Contents
14
8.3.1.1 Data Storage
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332
8.3.1.1.1 Data Table SRAM
....................................................
333
8.3.1.1.2 CPU: Drive
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333
8.3.1.1.3 USR: Drive
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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
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335
8.3.2 Memory Conservation
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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
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340
8.3.4 File Management
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340
8.3.4.1 File Attributes
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342
8.3.4.2 Data Preservation
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343
8.3.4.3 External Memory Power-up
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343
8.3.4.3.1 Creating and Editing Powerup.ini
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344
8.3.4.4 File Management Q & A
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347
8.3.5 File Names
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347
8.3.6 File System Errors
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347
8.3.7 Memory Q & A
............................................................................
348
8.4 Telecommunications and Data Retrieval
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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
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352
8.5.3 Linking PakBus Nodes: Neighbor Discovery
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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
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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
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356
8.5.5 LoggerNet Network-Map Configuration
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356
8.5.6 PakBus LAN Example
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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
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364
8.6.1 DNP3
...........................................................................................
364
8.6.1.1 Overview
............................................................................
364
8.6.1.2 Programming for DNP3
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364
8.6.1.2.1 Declarations
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364
8.6.1.2.2 CRBasic Instructions
................................................
365
8.6.1.2.3 Programming for Data-Acquisition
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366