snap ethernet-based i/o units protocols and programming guide

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Examples Included CHAPTER 3: USING THE SNAP ETHERNET I/O DRIVER TOOLKIT Using Visual C++ with the Core C++ Code The core C++ classes are found in the OptoENET-IO\DriverToolkit\Dev\Source\C++ directory. To use them in a Visual C++ project, you'll need to do the following: 1. Add the appropriate files to the projects. Turn off precompiled headers for these files by adjusting the settings in the compiler. 2. Link Windows Sockets into your project. Add the library file ws2_32.lib for WinSock 2.0 to your project linker settings. These files should be included with your Visual C++ compiler. Using Linux g++ with the Core C++ Code The Red Hat 7.2 distribution of Linux for Intel and the GNU g++ compiler were used to test the core C++ classes. The class files are found in the OptoENET-IO\DriverToolkit\Dev\Source\C++ directory. Simply include them in your project. Add a “-D_LINUX” command to the g++ prompt to make sure _LINUX is defined. O22SnapIoMemMapX ActiveX Examples The SNAP Ethernet I/O Driver Toolkit includes the following ActiveX examples of using the O22SnapIoMemMapX ActiveX component. Environment Access 2000 Word 2000 Example Name Use with Description Demo Center Demo Center Uses Visual Basic for Applications to update entries in an Access database. Demo Center Demo Center Uses Visual Basic for Applications to update a report about the Demo Center. Digital Bank Any rack with digital points 52 SNAP Ethernet-Based I/O Units Protocols and Programming Guide Uses Visual Basic for Applications to update a letter with the values from the brain's digital bank area.
Environment Visual Basic 6 Internet Explorer 6.0 Visual C++ 6 Borland Delphi 5 CHAPTER 3: USING THE SNAP ETHERNET I/O DRIVER TOOLKIT Demo Center Demo Center Uses virtually every aspect of OptoSnapIoMemMapX component. It shows how Visual Basic (or any similar programming environment, such as Visual C++) can be used to create a Human Machine Interface (HMI) that communicates with a SNAP Ethernet-based brain. It also shows how Visual Basic can be used to provide control logic and send e-mail reports. Digital Bank Any rack with digital points Scatch Pad Any SNAP Ultimate brain Digital Bank Any rack with digital points Digital Bank Any rack with digital points Digital Bank Any rack with digital points Reads and writes to the bank of digital points. O22SnapIoStreamX ActiveX Example Reads and writes values to the entire Scratch Pad area. Useful as a standalone tool. Uses VBScript and a timer to dynamically update a Web page located on a PC on the same network as the SNAP Ethernet-based brain. If the user's machine does not have the ActiveX component installed, Internet Explorer automatically installs it. Uses Microsoft Foundation Classes (MFC) to use the OptoSnapIoMemMapX component. It is very similar to the Visual Basic Digital Bank example. Reads and writes to the bank of digital points. The toolkit includes the following ActiveX example of using the O22SnapIoStreamX ActiveX component. Environment Visual Basic 6 Example Name Example Name Use with Description Streaming Any brain with streaming turned on Use with Description Captures and displays standard or custom stream packets. SNAP Ethernet-Based I/O Units Protocols and Programming Guide 53
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SNAP ETHERNET-BASED I/O UNITS PROTO
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Table of Contents Chapter 1: Introd
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Non-velocity Algorithms............
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Disconnecting......................
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Data Logging Configuration—Read/W
Page 11 and 12: Chapter 1 Introduction CHAPTER 1 We
Page 13 and 14: About this Guide CHAPTER 1: INTRODU
Page 15 and 16: For Help CHAPTER 1: INTRODUCTION If
Page 17 and 18: FEATURE CHAPTER 1: INTRODUCTION Ema
Page 19 and 20: CHAPTER 1: INTRODUCTION This task C
Page 21 and 22: CHAPTER 2 Chapter 2 Overview of Pro
Page 23 and 24: Referencing SNAP I/O Points CHAPTER
Page 25 and 26: Analog and Digital Systems (N Brain
Page 27 and 28: Digital-Only Systems The following
Page 29 and 30: I/O Point Types CHAPTER 2: OVERVIEW
Page 31 and 32: CHAPTER 2: OVERVIEW OF PROGRAMMING
Page 33 and 34: Watchdog (Digital and Analog Points
Page 45 and 46: Streaming Data CHAPTER 2: OVERVIEW
Page 47 and 48: Logging Data Area Number of Bytes I
Page 49 and 50: Using PID Loops What is a PID? CHAP
Page 51 and 52: Equations Common to All Algorithms
Page 55 and 56: CHAPTER 3 Chapter 3 Using the SNAP
Page 57 and 58: CHAPTER 3: USING THE SNAP ETHERNET
Page 61: CHAPTER 3: USING THE SNAP ETHERNET
Page 65 and 66: MemMap Example Code CHAPTER 3: USIN
Page 71 and 72: Return Values CHAPTER 3: USING THE
Page 73 and 74: IsOpenDone V Close V Return Values
Page 75 and 76: Digital Point Methods CHAPTER 3: US
Page 77 and 78: SetDigBankOnMask V [in] long nPts63
Page 79 and 80: Analog Bank Methods CHAPTER 3: USIN
Page 81 and 82: GetStatusWatchdogTime [out] long pn
Page 87 and 88: GetLastStreamStandardBlock (ActiveX
Page 89 and 90: CHAPTER 4 Chapter 4 Using the IEEE
Page 91 and 92: CHAPTER 4: USING THE IEEE 1394-BASE
Page 93 and 94: Bytes 0-3 Bytes 4-7 Bytes 8-11 Byte
Page 95 and 96: Bytes 0-3 Bytes 4-7 Bytes 8-11 The
Page 97 and 98: Bytes 0-3 Bytes 4-7 Bytes 8-11 Byte
Page 99 and 100: Read and clear latches for individu
Page 101 and 102: Scaling CHAPTER 4: USING THE IEEE 1
Page 103 and 104: Read and Write Packet Structure Par
Page 109 and 110: CHAPTER 5 Chapter 5 Advanced Modbus
Page 111 and 112: CHAPTER 5: ADVANCED MODBUS PROGRAMM
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APPENDIX A Appendix A SNAP Ethernet
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Status Area Read—Read Only This i
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Date and Time Configuration—Read/
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Security Configuration—Read/Write
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Serial Module Configuration—Read/
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Wiegand Serial Module Configuration
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SNMP Configuration—Read/Write (Do
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Starting Address Length Type Descri
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Digital Point Read—Read Only NOTE
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Analog Point Read—Read Only See
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Analog and Digital Point Configurat
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Digital Events and Reactions—Read
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Analog Point Calculation and Set—
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Analog Read and Clear/Restart—Rea
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Serial Event Configuration—Read/W
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Data Log—Read/Write (Does not app
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Appendix B Table of Offsets Introdu
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Module Point (Decimal) Point (Hex)
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Index A access, setting up SNMP sec
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error codes IEEE 1394-based protoco
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O off-latch, 20 offset, 24 IEEE 139
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