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

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CHAPTER 3: USING THE SNAP ETHERNET I/O DRIVER TOOLKIT Method Description SetPtConfiguration2 (ActiveX Only) [in] long nPoint [in] long nPointType [in] long nFeature [in] float fOffset [in] float fGain [in] float fLoScale [in] float fHiScale [in] float fWatchdogValue [in] long nWatchdogEnabled [in] float fFilterWeight [in] string bstrName SetPtConfigurationEx (C++ Only) [in] long nPoint [in] SIOMM_PointConfigArea Data SetPtConfigurationEx2 (C++ Only) [in] long nPoint [out] SIOMM_PointConfigArea2 pData SetPtWatchdog [in] long nPoint [in] float fWatchdogValue [in] long nWatchdogEnabled GetPtConfiguration V (ActiveX Only) [in] long nPoint [out] long pnModuleType [out] long pnPointType [out] long pnFeature [out] float pfOffset [out] float pfGain [out] float pfLoScale [out] float pfHiScale [out] float pfWatchdogValue [out] long pnWatchdogEnabled GetPtConfiguration2 (ActiveX Only) [in] long nPoint [out] long pnModuleType [out] long pnPointType [out] long pnFeature [out] float pfOffset [out] float pfGain [out] float pfLoScale [out] float pfHiScale [out] float pfWatchdogValue [out] long pnWatchdogEnabled [out] float pfFilterWeight [out] string pstrName GetPtConfigurationEx (C++ Only) [in] long nPoint [out] SIOMM_PointConfigArea pData GetPtConfigurationEx2 (C++ Only) [in] long nPoint [out] SIOMM_PointConfigArea2 pData Return values are shown on page 61. 64 SNAP Ethernet-Based I/O Units Protocols and Programming Guide Same as SetPtConfiguration, except it adds filter weight and name parameters. Same as SetPtConfiguration, except this method uses a structure. Same as SetPtConfiguration2, except this method uses a structure. Sets the watchdog value and enable flag for the given point. See page 23 for more information on watchdogs. Retrieves a point's module type, point type, feature, offset, gain, scale, and watchdog. Same as GetPtConfiguration, except it adds filter weight and name parameters. Same as GetPtConfiguration, except this method uses a structure. Same as GetPtConfiguration2, except this method uses a structure. v The OptoSnapIoMemMapX ActiveX component has a variant-only version of this method.
Digital Point Methods CHAPTER 3: USING THE SNAP ETHERNET I/O DRIVER TOOLKIT Use the following methods to read and write information about individual digital points. For more information on digital point features, see page 20, “Digital Point Read—Read Only” on page 121, and “Digital Point Write—Read/Write” on page 122. GetDigPtState V [in] long nPoint, [out] long pnState GetDigPtOnLatch V [in] long nPoint [out] long pnState GetDigPtOffLatch V [in] long nPoint [out] long pnState GetDigPtCounterState V [in] long nPoint [out] long pnState GetDigPtCounts V [in] long nPoint [out] long pnValue Read Methods Description GetDigPtReadArea V (ActiveX Only) [in] long nPoint [out] long pnState [out] long pnOnLatchState [out] long pnOffLatchState [out] long pnCounterActive [out] long pnCounterData GetDigPtReadAreaEx [in] long nPoint [out] SIOMM_DigPointReadArea pPointData ReadClearDigPtCounts V [in] long nPoint [out] long pnValue ReadClearDigPtOnLatch V [in] long nPoint [out] long pnState ReadClearDigPtOffLatch V [in] long nPoint [out] long pnState Retrieves the specified digital point's state. pnState values: 0 = off, non-zero = on Retrieves the specified digital point's on-latch state. Retrieves the specified digital point's off-latch state. Retrieves the specified digital point's counter state. Retrieves the specified digital point's counter value. Retrieves the specified digital point's state, on-latch state, off-latch state, counter state, and counter value. Uses a structure to retrieve the specified digital point's state, on-latch state, off-latch state, counter state, and counter value. Reads and clears the specified digital point's counter value. Reads and clears the specified digital point's on-latch state. Reads and clears the specified digital point's off-latch state. v The OptoSnapIoMemMapX ActiveX component has a variant-only version of this method. SetDigPtState V [in] long nPoint [in] long nState Write Methods Description Sets the specified digital point's state. pnState values: 0 = off, non-zero = on SNAP Ethernet-Based I/O Units Protocols and Programming Guide 65
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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
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Chapter 1 Introduction CHAPTER 1 We
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About this Guide CHAPTER 1: INTRODU
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For Help CHAPTER 1: INTRODUCTION If
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FEATURE CHAPTER 1: INTRODUCTION Ema
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CHAPTER 1: INTRODUCTION This task C
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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 63 and 64: Environment Visual Basic 6 Internet
Page 65 and 66: MemMap Example Code CHAPTER 3: USIN
Page 71 and 72: Return Values CHAPTER 3: USING THE
Page 73: IsOpenDone V Close V Return Values
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
Page 113 and 114: APPENDIX A Appendix A SNAP Ethernet
Page 115 and 116: Status Area Read—Read Only This i
Page 117 and 118: Date and Time Configuration—Read/
Page 119 and 120: Security Configuration—Read/Write
Page 121 and 122: Serial Module Configuration—Read/
Page 123 and 124: 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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Page 131 and 132:
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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