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

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APPENDIX A: SNAP ETHERNET-BASED BRAIN MEMORY MAP Data Logging Configuration—Read/Write (Does not apply to SNAP Simple I/O) Use this section to configure up to 64 memory map addresses you wish to log data from (log points). The values from all log points go into the same data log file, which you can access using the data log section of the memory map (page 147). Data from this composite file can be emailed; to do so, also use page 138 to set up email. See page 37 for more information on data logging. Only the first three log points are shown. Other log points follow the same pattern. Starting Address Length Type Description FFFF F300 0000 8 M Log Point 0: Scratch Pad bits on? (mask) FFFF F300 0008 8 M Log Point 0: Scratch Pad bits off? (mask) FFFF F300 0010 4 UI Log Point 0: Memory map address to log data from FFFF F300 0014 4 UI Log Point 0: Data format of value to be logged FFFF F300 0018 4 UI Log Point 0: How often to log the value, in milliseconds FFFF F300 001C 8 M Log Point 1: Scratch Pad bits on? (mask) FFFF F300 0024 8 M Log Point 1: Scratch Pad bits off? (mask) FFFF F300 002C 4 UI Log Point 1: Memory map address to log data from FFFF F300 0030 4 UI Log Point 1: Data format of value to be logged FFFF F300 0034 4 UI Log Point 1: How often to log the value, in milliseconds FFFF F300 0038 8 M Log Point 2: Scratch Pad bits on? (mask) FFFF F300 0040 8 M Log Point 2: Scratch Pad bits off? (mask) FFFF F300 0048 4 UI Log Point 2: Memory map address to log data from FFFF F300 004C 4 UI Log Point 2: Data format of value to be logged FFFF F300 0050 4 UI Log Point 2: How often to log the value, in milliseconds (Additional log points follow in order.) FFFF F300 0700 4 UI Enable email for sending data log file. Applies to ALL log points. Also configure email (page 138). FFFF F300 0704 4 UI Number of data log entries in each email message. Applies to ALL log points. Last valid address for this area: FFFF F300 0707 146 SNAP Ethernet-Based I/O Units Protocols and Programming Guide
Data Log—Read/Write (Does not apply to SNAP Simple I/O) Use this section to access data logged from memory map addresses set up in “Data Logging Configuration—Read/Write” on page 146. The data from all addresses goes into one data log file. The data log is a circular buffer; it holds 300 samples of 14 bytes (hex) per entry, and the newest data item replaces the oldest one. See “Logging Data” on page 37 for more information on data logging, and see page 38 for how to interpret information from these data log addresses. Although this area is read/write, you would normally read it only. You could write to it to clear it, however. Starting Address Length Type Description FFFF F302 0000 14 * First entry in the data log FFFF F302 0014 14 * Second entry in the data log Additional entries follow in order. FFFF F302 175C 14 * Last entry in the data log Last valid address in this area: FFFF F302 176F * Binary data. See page 38. PID Module Configuration—Read/Write (Does not apply to SNAP Simple I/O) Use this area to configure PID modules on the rack. To configure PID loops to run on the brain, see page 142. The table shows addresses for a PID module in rack position zero. Modules in other positions on the rack follow the same pattern and start on even 100 hex boundaries. CAUTION: Values for many of these memory map addresses require you to calculate them in advance. Some values are read-only and cannot be changed. For explanations and important information on using these addresses, see Opto 22 form 1263, the SNAP PID Module User’s Guide. Starting Address Length Type Description FFFF F400 0000 4 I PID module in position 0 on the rack: Control word FFFF F400 0004 4 I Position 0: State of status flags (read only) FFFF F400 0008 4 I Position 0: Scantime base (scantime resolution) FFFF F400 000C 4 I Position 0: Scantime multiplier FFFF F400 0010 4 I Position 0: TPO period multiplier SNAP Ethernet-Based I/O Units Protocols and Programming Guide 147
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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
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I/O Point Types CHAPTER 2: OVERVIEW
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CHAPTER 2: OVERVIEW OF PROGRAMMING
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Watchdog (Digital and Analog Points
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Streaming Data CHAPTER 2: OVERVIEW
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Logging Data Area Number of Bytes I
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Using PID Loops What is a PID? CHAP
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Equations Common to All Algorithms
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CHAPTER 3 Chapter 3 Using the SNAP
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CHAPTER 3: USING THE SNAP ETHERNET
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Environment Visual Basic 6 Internet
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MemMap Example Code CHAPTER 3: USIN
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Return Values CHAPTER 3: USING THE
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IsOpenDone V Close V Return Values
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Digital Point Methods CHAPTER 3: US
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SetDigBankOnMask V [in] long nPts63
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Analog Bank Methods CHAPTER 3: USIN
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GetStatusWatchdogTime [out] long pn
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GetLastStreamStandardBlock (ActiveX
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CHAPTER 4 Chapter 4 Using the IEEE
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CHAPTER 4: USING THE IEEE 1394-BASE
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Bytes 0-3 Bytes 4-7 Bytes 8-11 Byte
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Bytes 0-3 Bytes 4-7 Bytes 8-11 The
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Bytes 0-3 Bytes 4-7 Bytes 8-11 Byte
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Read and clear latches for individu
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Scaling CHAPTER 4: USING THE IEEE 1
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Read and Write Packet Structure Par
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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 131 and 132: Digital Point Read—Read Only NOTE
Page 133 and 134: Analog Point Read—Read Only See
Page 135 and 136: Analog and Digital Point Configurat
Page 137 and 138: Digital Events and Reactions—Read
Page 141 and 142: Analog Point Calculation and Set—
Page 143 and 144: Analog Read and Clear/Restart—Rea
Page 149 and 150: Serial Event Configuration—Read/W
Page 155: Starting Address Length Type Descri
Page 159 and 160: Appendix B Table of Offsets Introdu
Page 161 and 162: Module Point (Decimal) Point (Hex)
Page 163 and 164: Index A access, setting up SNMP sec
Page 165 and 166: error codes IEEE 1394-based protoco
Page 167 and 168: O off-latch, 20 offset, 24 IEEE 139
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