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

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CHAPTER 1: INTRODUCTION Information Key This guide includes information that applies to some types of SNAP Ethernet-based I/O units but not to others. Icons indicate which I/O units apply. For example, the following set of icons shows that the information next to it applies to SNAP Ultimate I/O ( ) and SNAP Ethernet I/O ( ), but not to SNAP Simple I/O ( ), which is grayed out: Other Documents You May Need See the following additional guides for the information listed. All guides are available on our Web site, www.opto22.com; some are included on the CD that came with the Ethernet-based brain. For this information See this guide Form # Installing and using an Ethernet-based I/O unit SNAP Ethernet-Based I/O Units User’s Guide 1460 Configuring I/O points and system functions ioManager User’s Guide 1440 Designing flowchart-based control programs for the system (requires SNAP Ultimate I/O or a SNAP-LCE controller) 4 SNAP Ethernet-Based I/O Units Protocols and Programming Guide ioControl User’s Guide 1300 ioControl Command Reference 1301 ioControl Commands Quick Reference Card 1314 Communicating with the system using OPC OptoOPCServer User’s Guide 1439
For Help CHAPTER 1: INTRODUCTION If you have problems installing or using SNAP Ethernet-based I/O units and cannot find the help you need in this guide or on our Web site, contact Opto 22 Product Support. Phone: 800-TEK-OPTO (835-6786) 909-695-3080 (Hours are Monday through Friday, 8 a.m. to 5 p.m. Pacific Time) Fax: 909-695-3017 Email: support@opto22.com Opto 22 Web site: support.opto22.com NOTE: Email messages and phone calls to Opto 22 Product Support are grouped together and answered in the order received; neither takes priority. When calling for technical support, be prepared to provide the following information about your system to the Product Support engineer: Software and version being used Brain and controller firmware version (as applicable) PC configuration (type of processor, speed, memory, and operating system) A complete description of your hardware and operating systems, including: – jumper configuration – loader and kernel versions for the brain, and date codes of I/O units (available through ioManager; see the Troubleshooting chapter in form #1460, the SNAP Ethernet-Based I/O Units User’s Guide). – IP addresses and net masks for devices on the system – accessories installed (such as expansion cards) – type of power supply – third-party devices installed (for example, barcode readers) Specific error messages seen. SNAP Ethernet-Based I/O Units Protocols and Programming Guide 5
Page 1 and 2: SNAP ETHERNET-BASED I/O UNITS PROTO
Page 3 and 4: Table of Contents Chapter 1: Introd
Page 5 and 6: Non-velocity Algorithms............
Page 7 and 8: Disconnecting......................
Page 9 and 10: Data Logging Configuration—Read/W
Page 11 and 12: Chapter 1 Introduction CHAPTER 1 We
Page 13: About this Guide CHAPTER 1: INTRODU
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 63 and 64: Environment Visual Basic 6 Internet
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MemMap Example Code CHAPTER 3: USIN
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CHAPTER 3: USING THE SNAP ETHERNET
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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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CHAPTER 5 Chapter 5 Advanced Modbus
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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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