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SNAP PAC BRAINS USER'S GUIDE
SNAP-PAC-EB1
SNAP-PAC-EB2
Form 1690-070504—May 2007
43044 Business Park Drive
•
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
Temecula
CA 92590-3614
•
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Table of Contents
Troubleshooting
Related Manuals for OPTO 22 SNAP-PAC-EB1
Summary of Contents for OPTO 22 SNAP-PAC-EB1
- Page 1 SNAP PAC BRAINS USER’S GUIDE SNAP-PAC-EB1 SNAP-PAC-EB2 Form 1690-070504—May 2007 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...
- Page 2 This warranty is limited to the original cost of the unit only and does not cover installation, labor, or any other contingent costs. Opto 22 I/O modules and solid-state relays with date codes of 1/96 or later are guaranteed for life.
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Page 3: Table Of Contents
Table of Contents Chapter 1: Introduction ..........1 About SNAP PAC Brains. - Page 4 Networking................13 Connecting the Brain Directly to a PC or Controller .
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Page 5: Chapter 1: Introduction
SNAP PAC brains support all the SNAP I/O analog, digital, serial, and special-purpose input and output modules available on the Opto 22 website. These modules can all be mixed on the same mounting rack and placed in any position on the rack, to accommodate the required mix of signals at any location. -
Page 6: Pac Project Software Suite
® SNAP PAC brains using Modbus /TCP, SNMP for network management, FTP for the brain’s built-in file system, SMTP (email client), and Opto 22’s own memory-mapped OptoMMP protocol. Communication with OPC 2.0-compliant clients is available through OptoOPCServer. • For Modbus/TCP, see Opto 22 form #1678, the Modbus/TCP Protocol Guide. -
Page 7: About This Guide
Other Documents You May Need See the following additional guides for the information listed. All guides are available on the Opto 22 website, www.opto22.com; some are included on the CD that came with the SNAP PAC brain. -
Page 8: For Help
FOR HELP For Help If you have problems installing or using SNAP PAC brains and cannot find the help you need in this guide or on our website, contact Opto 22 Product Support. Phone: 800-TEK-OPTO (835-6786) 951-695-3080 NOTE: Email messages and... -
Page 9: Chapter 2: Installing A Snap Pac Brain
Chapter 2 2: Installing a SNAP PAC Brain If you already know how you will use the SNAP PAC brain and want to get it running quickly, follow the sections in this chapter. To learn about communication options and networking, start on page 9. -
Page 10: Installing Hardware
INSTALLING HARDWARE Installing Hardware Assemble the rack and power supply according to the directions that came with them. Installing Modules on the Rack Modules snap into place in the row of connectors on the rack. Each module connector has a number. NOTE: Any type of module can be placed in any position on the rack. -
Page 11: Removing A Module
CHAPTER 2: INSTALLING A SNAP PAC BRAIN 4. (Optional) As shown in the photo at right, use standard 4-40 x 1/2 truss-head Phillips hold-down screws to secure both sides of each module. CAUTION: Do not over-tighten screws. 5. Plug the wiring connector into each module to attach modules to the devices they monitor. -
Page 12: Installing The Brain
Maximum cable or segment length is 100 meters; minimum cable length is one meter. 6. Before turning on power to the rack, follow instructions in Opto 22 form #1704, the PAC Manager User’s Guide, to assign an IP address to the brain. -
Page 13: Chapter 3: System Architecture
Chapter 3 3: System Architecture This chapter explains how to use SNAP PAC brains in an Ethernet network and how to communicate with them. It includes information on: Communication options See below System architecture page 12 Networking page 13 Specifications and feature comparison charts page 17 Communication Options SNAP PAC brains communicate using TCP/IP or UDP/IP over a wired or wireless network. -
Page 14: Simultaneous Communication
COMMUNICATION OPTIONS • OptoDataLink exchanges I/O point data with ODBC-compliant databases, including Microsoft SQL Server, Microsoft Access, MySQL, and others. OptoDataLink can be purchased separately or as part of PAC Project Professional. • SMTP (Simple Mail Transfer Protocol) connects a SNAP PAC brain with corporate email servers, so employees can be emailed or paged if there’s a problem on devices attached to the brain. -
Page 15: Choosing Communication Methods
Toolkit or because both write to the brain’s memory map. For Com- OptoMMP protocol munication Toolkit or OptoMMP protocol, see OptoMMP Protocol Guide. Give technicians an Opto 22 HMI with alarming and trend- PAC Display See PAC Display User’s Guide. ing. -
Page 16: System Architecture
SYSTEM ARCHITECTURE System Architecture SNAP PAC brains can be used in two ways: • For distributed intelligence in a larger control system based on a SNAP PAC controller running PAC Control • As an independent I/O processor The following diagrams illustrate these two uses. SNAP PAC Brains as Part of a Distributed SNAP PAC System The following diagram shows only basic SNAP PAC System capabilities using free PAC Project Basic software. -
Page 17: Snap Pac Brain As An Independent I/O Processor
CHAPTER 3: SYSTEM ARCHITECTURE SNAP PAC Brain as an Independent I/O Processor As the following diagram illustrates, you can communicate with an independent SNAP PAC brain using Modbus/TCP, the OptoOPCServer (available separately), SNMP, SMTP, or applications you develop using the free OptoMMP Communication Toolkit or our OptoMMP protocol. Custom application using ActiveX or C++ OptoMMP protocol... -
Page 18: Connecting The Brain Directly To A Pc Or Controller
You can also use a SNAP PAC controller, which has two independent Ethernet network interfaces: one interface can be connected to the enterprise network, and the other used for the control system. See Opto 22 form #1696, the SNAP PAC System Data Book, for more information on network options. -
Page 19: Using Snap Pac Brain Network Interfaces
CHAPTER 3: SYSTEM ARCHITECTURE available resources for learning about building and maintaining such a network. We strongly suggest you learn as much as possible about the subject and plan your network carefully before beginning, in order to get the best performance from your system. Because SNAP PAC brains have two switched Ethernet network interfaces, you can install them in a daisy-chain configuration. -
Page 20: Correct Connections For Daisy-Chaining
NETWORKING Correct Connections for Daisy-Chaining Connection from network, controller, or PC to brain Leave the 2nd Daisy-chain connections interface on the last brain unconnected. NOTE: Connection from a PC does not require a crossover cable. Never connect SNAP PAC brains in a loop or ring. For example, do not connect both ends of the chain to the same switch, nor to different switches on the same network. -
Page 21: Specifications
CHAPTER 3: SYSTEM ARCHITECTURE Specifications Specifications Power Requirements 5.2 VDC at 750 mA maximum (does not include module power requirements) – Memory 16 MB RAM Backup battery CR2032 Lithium, user replaceable. 10-year minimum life for real-time clock backup. IEEE 802.3 network, 10Base-T and 100Base-TX. Automatic MDC/MDI-X crossover Network Interfaces (Ethernet crossover cable not required for direct connection to PC). -
Page 22: Snap Pac Brain Comparison Chart
SNAP PAC BRAIN COMPARISON CHART SNAP PAC Brain Comparison Chart For descriptions of features, see page 19. The following table compares SNAP PAC brains with firmware 8.0. FEATURE SNAP-PAC-EB1 SNAP-PAC-EB2 Digital (4–32 channels) Analog (2–32 channels) I/O modules Serial (RS-232, RS-485) supported Special-purpose (motion control, power moni- ®... -
Page 23: Feature Descriptions
Counters at the end of each shift. SNAP-PAC-EB1 brains offer high-speed counting (up to 20 KHz) on 4-channel modules; the speed of the counter depends upon the speed of the module used. Both brains offer low-speed counting (about 50 Hz) on high-density modules; counting is done in the module. - Page 24 (Analog output)—Both SNAP PAC brains support analog TPO using a SNAP-AOD-29 module. On-pulse and (Digital input; requires SNAP-PAC-EB1, PAC Project Pro, and a SNAP PAC control- off-pulse measure- ler)—A pulse is a brief on (or off) state, usually repeated at a specific interval. The brain ment can measure the first pulse, that is, the amount of time the input stays on (or stays off).
- Page 25 CHAPTER 3: SYSTEM ARCHITECTURE Feature Description You can configure a SNAP PAC brain to recognize one or a combination of the following as an event: • The state of a point on a 4-channel digital module (on or off) • A specific high or low value of an analog point, in Engineering Units •...
- Page 26 SNAP PAC BRAIN COMPARISON CHART SNAP PAC Brains User’s Guide...
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Page 27: Chapter 4: Maintenance And Troubleshooting
Chapter 4 4: Maintenance and Troubleshooting Introduction This chapter includes the following maintenance and troubleshooting information: Maintenance Backup Battery below Changing the Brain’s IP Address page 24 Resetting the Brain page 24 Loading New Firmware page 24 Setting Time and Date page 25 Blink Codes page 25... -
Page 28: Changing The Brain's Ip Address
This is a diagnostic mode that you don’t need to access unless you are troubleshooting a problem with Opto 22 Product Support. If your brain restarts in fail-safe bootloader mode, simply cycle power to the device. This action performs the simple restart described above. -
Page 29: Setting Time And Date
CHAPTER 4: MAINTENANCE AND TROUBLESHOOTING Setting Time and Date The SNAP PAC brain’s built-in clock is set at the factory. To change the time and date, see instructions in the PAC Manager User’ s Guide. Blink Codes The STAT LED on the top of a SNAP PAC brain uses blink codes to indicate status conditions. (See “LEDs and Network Interfaces”... -
Page 30: Troubleshooting The Snap Pac Brain
“For Help” on page Getting Device and Firmware Information If you need to contact Opto 22 Product Support for assistance, it is helpful to have device and firmware information at hand before you call us. 1. Choose Start➞Programs➞Opto 22➞PAC Project Software➞PAC Manager. -
Page 31: Pinging The Brain
• Is the brain in reset mode? (Check for a blinking STAT LED. STAT blink codes are shown on page 25.) If you still cannot ping the brain, contact Opto 22 Product Support. (See page SNAP PAC Brains User’s Guide... -
Page 32: Accessing The Brain With Pac Manager
Once you know you can ping the brain, try to access it using PAC Manager. You will need to know the brain’s IP address. 1. If PAC Manager is not already open, choose Start➞Programs➞Opto 22➞PAC Project➞PAC Manager. The PAC Manager main window opens: 2. -
Page 33: Solving Network Problems
If there are recurring problems in communicating with the brain, check your network. The cables, routers, and so on in your Ethernet network are not part of the Opto 22 hardware, but any problems in your network may affect communication with Opto 22 products. -
Page 34: Additional Troubleshooting Tools
Opto 22 Product Support. The brain restarts in fail-safe bootloader mode when you hold down the RESET button longer than the time needed to restore the default settings. If your brain restarts in fail-safe bootloader mode, simply cycle power to the device. -
Page 35: Tcp Settings
If you are receiving frequent timeout messages from the brain, you can change the TCP parameters in PAC Manager. 1. Choose Start➞Programs➞Opto 22➞PAC Project Software➞PAC Manager. 2. In the PAC Manager main window, click the Inspect icon 3. In the IP Address field, type the IP address of the brain. Click Status Write. - Page 36 TROUBLESHOOTING THE SNAP PAC BRAIN If you set these fields too low, you may not be able to communicate with the device at all, even through PAC Manager, to fix the settings. Then you would have to reset the brain to factory defaults (see page 24).
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Page 37: Index
Index pinging the brain, 27 problems with, 26 accessing brain over the Internet, 10 simultaneously, 10 ACT LED, 17 comparing brain feautures, 18 analog point computer, connecting directly to brain, 14 average filter weight, 20 connecting to brain clamping, 20 daisy-chaining, 15, 16 gain, 20 network interfaces, 15... - Page 38 6 off-pulse measurement, 20 removing, 7 offset, definition, 20 I/O point features, 19 on-latch, 19 installing on-pulse measurement, 20 brain on rack, 8 OPC, 3, 9 I/O modules, 6 Opto 22 Product Support, 4 SNAP PAC Brains User’s Guide...
- Page 39 OptoDataLink, 3, 10 SNAP PAC System illustration, 12 OptoMMP, 3, 10 SNAP-PAC-EB1, features, 18 OptoOPCServer, 9 SNAP-PAC-EB2, features, 18 SNMP, 21 square wave generation, 20 STAT LED, 17 PAC Control, 3, 9 state of digital point, 19 PAC Manager, 3, 9...
- Page 40 SNAP PAC Brains User’s Guide...
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