OPTO 22 SNAP-PAC-EB1 Скачать руководство пользователя страница 20 | Manualshive

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OPTO 22 SNAP-PAC-EB1 Скачать руководство пользователя страница 20

NETWORKING

SNAP PAC Brains User’s Guide

16

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. As a rule, do not connect
the second Ethernet interface on the last brain in the chain to any other device.

NOTE: There is one exception to this rule: you can connect the network in a loop if at least one switch in the
loop supports STP/RSTP (Spanning Tree Protocol/Rapid Spanning Tree Protocol) and has that feature
enabled.

Connection from network,
controller, or PC to brain

Daisy-chain connections

Leave the 2nd
interface on the last
brain unconnected.

NOTE: Connection
from a PC does not
require a crossover
cable.

Correct Connections for Daisy-Chaining

Incorrect Network Connections

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Содержание SNAP-PAC-EB1

Страница 1: ...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 95...

Страница 2: ...o 22 form number 1042 for complete warranty information Cyrano Opto 22 FactoryFloor Optomux and Pamux are registered trademarks of Opto 22 Generation 4 ioControl ioDisplay ioManager ioProject ioUtilit...

Страница 3: ...a SNAP PAC Brain 5 What You Will Need 5 Installing Software 5 Installing Hardware 6 Installing Modules on the Rack 6 Removing a Module 7 Installing the Brain 8 What s Next 8 Chapter 3 System Architec...

Страница 4: ...C Brain Comparison Chart 18 Feature Descriptions 19 Chapter 4 Maintenance and Troubleshooting 23 Introduction 23 Maintaining the SNAP PAC Brain 23 Backup Battery 23 Changing the Brain s IP Address 24...

Страница 5: ...nearization watchdog timers and PID loop control These functions continue to work on the brain even if communication with the SNAP PAC controller is lost Each SNAP PAC brain mounts on a SNAP PAC rack...

Страница 6: ...ds OptoOPCServer for OPC communications OptoDataLink for database connectivity and additional features For more information about PAC Project see form 1699 the PAC Project Data Sheet available on our...

Страница 7: ...rain to factory defaults and upgrading firmware blink codes and other troubleshooting assistance Other Documents You May Need See the following additional guides for the information listed All guides...

Страница 8: ...tion 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...

Страница 9: ...hernet cable for direct connection to the PC or an available connection to a standard 10BASE T or 100BASE TX Ethernet network SNAP PAC brain See page 18 for a chart comparing models SNAP PAC mounting...

Страница 10: ...tor numbers are right side up with zero on the left 2 Position the module over the module connector aligning the small slot at the base of the module with the retention bar on the rack 3 With the modu...

Страница 11: ...each module to attach modules to the devices they monitor Wiring diagrams are in the module s data sheet Removing a Module 1 If the modules are held in place with screws remove them 2 Holding the SNA...

Страница 12: ...ack follow instructions in Opto 22 form 1704 the PAC Manager User s Guide to assign an IP address to the brain This guide is in Adobe Acrobat PDF format on the CD that came with the brain and is also...

Страница 13: ...is installed and has an IP address assigned see page 8 you can communicate with it using the following methods PAC Control strategies running on a SNAP PAC controller can configure read and write to...

Страница 14: ...osoft Windows our OptoMMP protocol is open and documented Simultaneous Communication In addition to communicating using all the methods listed above each SNAP PAC brain can also communicate simultaneo...

Страница 15: ...be careful if you use them They can conflict with PAC Control logic because both write to the brain s memory map For Com munication Toolkit or OptoMMP protocol see OptoMMP Protocol Guide Give technic...

Страница 16: ...NAP 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 For information on additional capabili...

Страница 17: ...ached to an existing TCP IP Ethernet network As part of an independent network built with standard Ethernet hardware The networking method you use depends on several things including whether you need...

Страница 18: ...Mbps network In addition make sure the system administrator understands that each brain must have a fixed static IP address whether or not a Dynamic Host Configuration Protocol DHCP server is used on...

Страница 19: ...using this standard configuration connecteitherEthernet1orEthernet2to the network The two interfaces share the same IP address and either one will send a BootP request As an option however the SNAP PA...

Страница 20: ...er device NOTE Thereisoneexceptiontothisrule youcanconnectthenetworkinaloopifatleastoneswitchinthe loop supports STP RSTP Spanning Tree Protocol Rapid Spanning Tree Protocol and has that feature enabl...

Страница 21: ...iguration Maximum Ethernet Segment Length 100 meters with Category 5 or superior UTP For 100 Mbps at this distance use Category 5 or superior solid UTP Operating Tempera ture 0 to 60 C Storage Tempera...

Страница 22: ...n On pulse and off pulse measurement1 3 n TPO time proportional output 3 n Pulse generation N pulses continuous square wave on pulse and off pulse 3 n Analog I O point features Thermocouple linearizat...

Страница 23: ...put Latches Digital input When the value of a digital input point changes from off to on an on latch is automatically set While the value of the point may return to off the on latch remains set as a r...

Страница 24: ...sometimes called peaks and val leys You can read these values at any time for example to record minimum and maxi mum temperatures You can also reset min max values For example if you want to record t...

Страница 25: ...ssage or an SMNP trap Sending a string through a serial module to a serial device You can also use a timer to set up a delay between the event and the reaction Security You can limit access to SNAP PA...

Страница 26: ...SNAP PAC BRAIN COMPARISON CHART SNAP PAC Brains User s Guide 22...

Страница 27: ...C brain uses a CR2032 lithium backup battery which is user replaceable These batteries are readily available in retail stores Maintenance Backup Battery Changing the Brain s IP Address Resetting the B...

Страница 28: ...oduct Support If your brain restarts in fail safe bootloader mode simply cycle power to the device This action performs the simple restart described above Loading New Firmware Each SNAP PAC brain cont...

Страница 29: ...red it indicates the following Number of Blinks Speed of Blinks Means 2 fast Normal the brain s firmware is starting up 5 fast Default settings have been successfully restored 7 fast Entering fail sa...

Страница 30: ...Manager 2 In the PAC Manager main window click the Inspect button 3 In the IP Address field type the IP address of the device Click Status Read Keep this window open on your screen when you call Produ...

Страница 31: ...ntenance window or work with files on the brain BootP and FTP cannot function through a firewall in the PC Firewalls in a router are less likely to be a problem Pinging the Brain If you still cannot c...

Страница 32: ...eed 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 In the PAC Manager main window click t...

Страница 33: ...r both of their Ethernet interfaces are lit Neither the PC nor the brain uses the switch s uplink port The two switched network interfaces on the brain are being used correctly and are not creating a...

Страница 34: ...em diagnose fix and certify your network If you continue to have problems communicating with the SNAP PAC brain after your network is certified contact Opto 22 Product Support See page 4 Additional Tr...

Страница 35: ...ransmit data it doubles the current RTO and tries again This process continues for five retries after that the brain stops trying and sends a timeout message If you are receiving frequent timeout mess...

Страница 36: ...network conditions a connection will never be made TCP Retransmits sets the number of times the device retries communication Larger busier networks need a higher number of retransmits than smaller net...

Страница 37: ...0 communicating with brain 9 choosing methods 11 pinging the brain 27 problems with 26 simultaneously 10 comparing brain feautures 18 computer connecting directly to brain 14 connecting to brain daisy...

Страница 38: ...9 I I O modules installing 6 removing 7 I O point features 19 installing brain on rack 8 I O modules 6 mounting rack 6 quick start 5 Internet accessing brain over 10 IP filtering 21 L latch definition...

Страница 39: ...24 retransmit timeout RTO 31 RSTP 16 S scaling description 20 Scratch Pad areas 21 security 21 SNAP PAC System illustration 12 SNAP PAC EB1 features 18 SNAP PAC EB2 features 18 SNMP 21 square wave ge...

Страница 40: ...SNAP PAC Brains User s Guide 36...

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