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OPTO 22 Optomux B1 User Manual

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Form 1574
B1 AND B2
USER'S GUIDE

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Summary of Contents for OPTO 22 Optomux B1

  • Page 1 Form 1574 B1 AND B2 USER’S GUIDE...
  • Page 2 B1 AND B2 USER’S GUIDE Form 1574-121113—November 2012 43044 Business Park Drive Temecula CA 92590-3614 • • Phone: 800-321-OPTO (6786) or 951-695-3000 Fax: 800-832-OPTO (6786) or 951-695-2712 www.opto22.com Product Support Services 800-TEK-OPTO (835-6786) or 951-695-3080 Fax: 951-695-3017 Email: support@opto22.com Web: support.opto22.com...
  • Page 3 Specifications are subject to change without notice. Opto 22 warrants all of its products to be free from defects in material or workmanship for 30 months from the manufacturing date code. This warranty is limited to the original cost of the unit only and does not cover installation, labor, or any other contingent costs.

  • Page 4: Table Of Contents

    Table of Contents Chapter 1: Welcome ............1 Overview .
  • Page 5 Communications Wiring ..............11 Host to First Optomux Unit .

  • Page 6: Chapter 1: Welcome

    Ethernet networks using Optomux, and simultaneously communicate using Modbus/TCP and the OptoMMP memory-mapped protocol over Ethernet. In addition, E1s and E2s can be used with Opto 22’ s ioProject software suite. See form #1546, the E1 and E2 Data Sheet, for more information.

  • Page 7: What's In This Guide

    Protection—Information on getting surge protection for RS-422/485 communication links. Chapter B: Troubleshooting—Troubleshooting Questions and Answers. “Product Support”—information on how to get help from Opto 22. Document Conventions • Bold typeface indicates text to be typed. Unless otherwise noted, such text may be entered in upper or lower case.

  • Page 8: For Help

    CHAPTER 1: WELCOME For Help If you have problems installing or using a B1 or B2 brain and cannot find the help you need in this guide, contact Opto 22 Product Support. Phone: 800-TEK-OPTO (800-835-6786) NOTE: Email messages and phone...
  • Page 9 FOR HELP B1 and B2 User’s Guide...

  • Page 10: Chapter 2: Introduction

    3: 2: Introduction Chapter 3 2: Introduction About Optomux Optomux is a protocol used by a family of intelligent digital and analog I/O (input/output) units that operate as slave devices to a host computer. An Optomux I/O unit is a 4-, 8-, or 16-point assembly that accommodates optically-isolated analog or digital I/O modules.

  • Page 11: System Configuration

    SYSTEM CONFIGURATION System Configuration Physical Layout The high cost of electrical wiring and the noise susceptibility of analog signals make it desirable to place the control or monitoring point as close to the controlled device as possible. Optomux offers design flexibility, with as few as 4 points or as many as 4,096 points in one physical location. Each Optomux IO unit must be assigned its own unique address, 0 through 255.

  • Page 12: Wiring

    CHAPTER 2: INTRODUCTION Wiring Inputs and outputs are connected to the Optomux mounting rack via an industrial barrier strip with integral cable clamp for each terminal. Spade lugs, other wire terminations, bare wires, and tinned wires are all readily accepted. Serial link connections and power connections are also made via screw terminals.

  • Page 13: Features

    DIGITAL OPTOMUX Digital Analog Baud Char/ Positions/ Positions/ Rate Character Second Second Second 33.3 1,200 9,600 1,000 1,000 19.2K 2,000 1,882 38.4K 0.25 4,000 3,368 Table 1-1: Optomux System Throughput Features System performance and throughput are increased by allowing the Optomux I/O unit to do as much processing as possible, thereby reducing serial line activity and host computer processing.

  • Page 14: Pulse Generation

    CHAPTER 2: INTRODUCTION Pulse Generation The B1 can be instructed to output a specific number of pulses (with programmable period) at any output position. Continuous square waves can also be generated. Event Counting Any or all input positions can function as event counters to return a count of external events. The count ranges from 0 to 65,535.

  • Page 15: Summary

    SUMMARY Summary In laying out your installation, plan to route the RS-422 data link cable to all points where you need to install Optomux I/O units now and to all points where you may need control in the future. Supply +5 VDC to each Optomux location, preferably with a local power supply. For repeat mode systems, make it diffi cult for anyone to accidently remove the power or data cables from the repeat mode Optomux units.

  • Page 16: Chapter 3: Installation And Wiring

    4: 3: Installation and Wiring Chapter 4 3: Installation and Wiring Physical Installation Mounting The B1 or B2 Optomux unit can be mounted in any attitude on any flat surface. The mounting rack and removable brain board portion of the Optomux unit are supplied with permanently-attached standoffs.

  • Page 17: Unit To Unit

    COMMUNICATIONS WIRING Figure 2-1: Communication Wiring, Host to Optomux Unit Unit to Unit The following figure shows the connection between adjacent Optomux units on the serial link. The Optomux unit at the end of the data link has only 5 wires — “To Host, ” “From Host, ” and common. HINT: Always think of the previous Optomux units as the host.

  • Page 18: Installing Digital I/O Modules

    CHAPTER 3: INSTALLATION AND WIRING Installing Digital I/O Modules CAUTION: Be sure that all Optomux unit power and power to the controlled devices is removed before installing or removing I/O modules. Each position on a digital mounting rack can accept either input or output modules.

  • Page 19: Installing Analog I/O Modules

    + 24V 15V -15V -15V LOOP SUPPLY FUSE (OPTIONAL) OPTO 22 OPTO 22 PB16AH COMMUNICATIONS WIRING D O N O T C H A N G E M O D U L E S W I T H P O W E R A P P L I E D...

  • Page 20: Power Requirements

    If an Opto 22 PBSA/B/C power supply is used with the digital racks, the + 5 VDC logic connection is made by the supply when it is screwed to the rack. In this case, the only connection to be made is the 120 VAC (220 VAC or 10-28 VDC depending on supply type) connection to the PBSA (PBSB or PBSC) supply.
  • Page 21 POWER REQUIREMENTS Use a consistent color code from power supply to all Optomux units to prevent wiring errors. Size 18 AWG is recommended for power supply wiring. Optomux demo equipment uses the following colors: +5 Volts Black Blue +15 Volts Yellow -15 Volts Brown...

  • Page 22: Third-Party Power Supply Vendors

    CHAPTER 3: INSTALLATION AND WIRING Third-Party Power Supply Vendors The following is a list of a few of the many power supply vendors: COMPUTER PRODUCTS INC. Power Conversion Group 2900 Gateway Dr. Pompano Beach, FL 33069 (305) 974-5500 ELPAC POWER SYSTEMS 3131 S.

  • Page 23: Brain Board Mounting

    BRAIN BOARD MOUNTING Brain Board Mounting The brain board mates with the header connector on the rack. The orientation of the digital brain board (B1) should be such that the brain board extends away from the rack. The orientation of the analog brain board (B2) is such that the brain board covers up the communications and power wiring on the analog rack when it is plugged in.

  • Page 24: Selecting The Jumpers

    CHAPTER 3: INSTALLATION AND WIRING Selecting the Jumpers TIP: Use the “OptoScan” utility as an aid in setting jumpers. There are two groups of jumpers located on each B1 or B2 brain board. The jumpers are labeled Group A and Group B. Group A Jumpers These jumpers route wiring for repeat-mode or multidrop communications and also provide the proper termination and biasing of the RS-422/485 network.

  • Page 25: Baud Rate Selection

    SELECTING THE JUMPERS Baud Rate Selection Jumpers B8, B9, and B11 select the baud rate. Possible configurations are shown below. Table 2-1: Baud Rate Jumper Settings Baud Rate Not Installed Not Installed Not Installed Not Installed Not Installed Installed 1200 Installed Not Installed Not Installed...
  • Page 26 CHAPTER 3: INSTALLATION AND WIRING Figure 2-7: Jumper Addresses B1 and B2 User’s Guide...

  • Page 27: Accessories

    Peripheral Component Interconnect (PCI) bus. This adapter card is ideal for customers who have been using Opto 22’s AC37 adapter card, but must upgrade to a newer computer that uses the PCI bus instead of the ISA bus.

  • Page 28: Appendix A: Surge Protection

    5: A: AppTitleAppendix A A: Surge Protection Surge Protection For RS-422/485 Communication Links For more information or for catalog requests, contact: Phoenix Contact Inc. P.O Box 4100 Harrisburg, PA 17111-0100 E-mail: info@phoenixcon.com Phone: (717) 944-1300 Fax: (717) 944-1625 Fax-on-demand: (800) 944-9901 B1 and B2 User’s Guide...
  • Page 29 SURGE PROTECTION FOR RS-422/485 COMMUNICATION LINKS B1 and B2 User’s Guide...

  • Page 30: Appendix B: Troubleshooting

    6: A: AppTitleAppendix B B: Troubleshooting Troubleshooting Questions and Answers Q. I send a command to turn on output 5 of an Optomux unit at address 255, and output 4 goes on. A. Module positions are numbered from 0 to 15. Therefore the fifth bit in the bitmask is for position labeled 4.
  • Page 31 TROUBLESHOOTING QUESTIONS AND ANSWERS Q. I send a command to activate several outputs. The Optomux unit responds with no error, but none of my outputs come on. A. If an output does not turn on, check the following: a. Make sure you configured the outputs of the Optomux unit correctly. The unit defaults to all positions configured as inputs on power-up.
  • Page 32 APPENDIX B: TROUBLESHOOTING labeled UPPER (closest to module), and if the module has terminals on the top of the module, connections would be made there. Analog racks have the terminal channels labeled from 1 to 4 (or 16). These channels correspond to module positions 0 to 3 (or 15) respectively.
  • Page 33 TROUBLESHOOTING QUESTIONS AND ANSWERS B1 and B2 User’s Guide...

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