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

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CHAPTER 3: USING THE SNAP ETHERNET I/O DRIVER TOOLKIT GetStatusHardware2 (ActiveX Only) [out] long pnIoUnitType [out] byte pbyHwdVerMonth [out] byte pbyHwdVerDay [out] short pwHwdVerYear [out] long pnRamSize [out] string pbstrPartNumber GetStatusHardwareEx (C++ Only) [out] SIOMM_StatusHardware pHardwareData GetStatusHardwareEx2 (C++ Only) [out] SIOMM_StatusHardware2 pHardwareData GetStatusNetwork V (ActiveX Only) [out] short pwMACAddress0 [out] short pwMACAddress1 [out] short pwMACAddress2 [out] long pnTCPIPAddress [out] long pnSubnetMask [out] long pnDefGateway GetStatusNetwork2V (ActiveX Only) [out] short pwMACAddress0 [out] short pwMACAddress1 [out] short pwMACAddress2 [out] long pnTCPIPAddress [out] long pnSubnetMask [out] long pnDefGateway [out] long pnTcpIpMinRtoMS [out] long pnInitialRtoMS [out] long pnTcpRetries [out] long pnTcpIdleTimeout [out] long pnEnetLateCol [out] long pnEnetExcessiveCol [out] long pnEnetOtherErrors GetStatusNetworkEx (C++ Only) [out] SIOMM_StatusNetwork pNetworkData GetStatusNetworkEx2 (C++ Only) [out] SIOMM_StatusNetwork2 pNetworkData GetStatusPUC V [out] long pnPUCFlag GetStatusLastError V [out] long pnErrorCode GetStatusBootpAlways V [out] long pnBootpAlways GetStatusDegrees V [out] long pnDegrees Read Methods Description 70 SNAP Ethernet-Based I/O Units Protocols and Programming Guide Same as GetStatusHardware, except it adds a part number parameter. Same as GetStatusHardware, except this method uses a structure. Same as GetStatusHardware2, except this method uses a structure. Retrieves network information about the SNAP brain's MAC address, TCP/IP address, subnet mask, and default gateway. Same as GetStatusNetwork, expcet it adds parameters for TCP/IP minimum RTO, initial RTO, TCP retries, TCP idle session timeout, and Ethernet errors. Same as GetStatusNetwork, except this method uses a structure. Same as GetStatusNetwork2, except this method uses a structure. Retrieves the Powerup Clear flag. 0=okay, anything else means a Powerup Clear is needed. See SetStatusOperation() for how to send a Powerup Clear command. Retrieves the last error. See “Error Codes” on page 98 for more information. Retrieves the BootP request flag. 0 = Send BootP only if brain's IP address is 0.0.0.0 1 = Send BootP always Retrieves the temperature degrees unit flag. 1 = degrees F 0 = degrees C
GetStatusWatchdogTime [out] long pnTimeMS CHAPTER 3: USING THE SNAP ETHERNET I/O DRIVER TOOLKIT Use the following methods to write to the status area of the brain. For more information about the status area of the memory map, see “Status Area Write—Read/Write” on page 107. Return values are shown on page 61. Time/Date Methods Retrieves the watchdog time in milliseconds. v The OptoSnapIoMemMapX ActiveX component has a variant-only version of this method. Write Methods Description SetStatusOperation V [in] long nOpCode SetStatusBootpRequest V [in] long nFlag SetStatusDegrees V [in] long nDegFlag SetStatusWatchdogTime V [in] long nTimeMS Sends an operation code to the SNAP brain. 0x0001 - Send Powerup Clear 0x0002 - Reset to defaults 0x0003 - Store to flash 0x0004 - Erase flash configuration 0x0005 - Reset hardware See address FFFFF0380000 on page 107 for more information. Sets the brain to send BootP request when turned on. 0 (default) = Send BootP request only if brain's IP address is 0.0.0.0. 1 = Always send BootP request when brain is turned on. Sets the temperature degrees unit flag. 1 = degrees F; 0 = degrees C Sets watchdog time in milliseconds. 0 disables the watchdog. v The OptoSnapIoMemMapX ActiveX component has a variant-only version of this method. Use the following methods to read or from the time and date area of the SNAP Ethernet-based brain. For more information about the time and date area of the memory map, see “Date and Time Configuration—Read/Write” on page 107. Read Methods Description GetDateTime [out] string pbstrDateTime Retrieves the brain’s time and date as a string in the format YYYY-MM-DD HH:MM:SS.00 Write Methods Description SetDateTime [in] string bstrDateTime Read Methods Description Sets the brain’s time and date as a string in the format YYYY-MM-DD HH:MM:SS.00 SNAP Ethernet-Based I/O Units Protocols and Programming Guide 71
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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
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Referencing SNAP I/O Points CHAPTER
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Analog and Digital Systems (N Brain
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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 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: Analog Bank Methods CHAPTER 3: USIN
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
Page 125 and 126: SNMP Configuration—Read/Write (Do
Page 127 and 128: Starting Address Length Type Descri
Page 129 and 130: 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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Starting Address Length Type Descri
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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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