SNAP PAC S-Series Controller User's Guide
Contents
1. PETTE p Sensors and actuators location 1 PC running I O units are controlled by the controller on an isolated network Control Network Sensors and actuators location 2 SNAP PAC S Series User s Guide ARCHITECTURAL DIAGRAMS Connections to Serial based I O Units In the following diagram a SNAP PAC S series controller is connected to multiple Opto 22 serial based I O units over an RS 485 serial network The controller is also connected to a larger separate enterprise Ethernet network to provide process data to a PC running Opto 22 s PAC Display HMI software iaDia ioDispla ioContro play PC running PAC PC running PAC Display Professional Control Professional l l ERP SELEN a ne Ethernet switch ei SNAP PAC S series controller controls all I O units om a g B I O units are connected via a 2 wire RS 485 serial network and are controlled by the SNAP PAC S series controller Each 1 0 unit is connected to its own group of sensors and actuators RS 485 serial network e e gt gt alol ol ol of of e gt NBII ANE al Ey Sensors and actuators Sensors and actuators Sensors and actuators location 1 locati2. 2 TX RX SIG COM 4 not used 2 Wire RS 485 Port 2 w 5 not used 6 TX 7 RX o a a 8 GND m y no 9 RTS oc 10 CTS The RS 485 interface does not support mistic signal interrupts Contact Opto 22 Product Support for current information on this topic APPENDIX A TECHNICAL SPECIFICATIONS Dimensions 4 80 121 84mm re 4 40 111 77mm 0 20 5 03mm Panel Mounted SNAP OPTO 22 SNAP PAC 2 00 PAC S Series Controller o P lof 50 80mm 1 00 25 39mm 0 15 3 81mm 0 50 12 70mm i 4 05 102 86mm DIN Rail Mounted SNAP PAC S Series Controller 1 75 44 44mm 4375 111 1mm FOR DIN CLIP ADD ADDITIONAL 0 06 1 52mm TO OVERALL HEIGHT CUSTOMER SUPPLIED SNAP RACK DIN RAIL ADAPTER CLIP 35mm DIN RAIL NOTE BE SURE TO CONSIDER DIN RAIL DIMENSIONS SNAP PAC S Series User s Guide DIMENSIONS SNAP PAC S Series User s Guide PPP Support in Microsoft Windows Configuring PPP Support in Microsoft Windows Configuring Microsoft Windows Dial up Networking on Windows 95 98 Use the following settings to configure Windows dial up networking on any PC that will dial in to the controller You may have to add dial up networking under Windows Setup gt Communications After you add dial up networking it will appear under Start gt Programs Access Communic
3. 00 6 cece cece cece nee enee eae eeneeeenees 9 Wiat s NEXU asean aare nets E eae aren ee dean nen E E ieee 9 Chapter 3 Maintenance and Troubleshooting eeeeeeeeees 21 TOUDIESHOOUNO sense a cipaeeaatanens nuetoreutiaena e e Ea 21 Checking POWEr cerdik a a a a e e Nasa e 21 Communicating on an Ethernet Network 000 000 cece eee e eee eee tenet cee ene eens 22 Pinging the Controller snickans tobeiaadekriakoreiercnaketeakoreiokciasteiakonets 22 SONING NEtWOTK PTO DIEM Sir 2dttcretdl nr i n a a a A 23 Create a Network Diagram 025 anaecareccrharnicanabdaetitiarninanabeataddahannid ia 23 Check Ethernet Emor 1x cxcudurnavierieleauneatiere E E T A A AERE EA 23 Analyze Communication Packets u nan nerd Ueementebiwemrrndlnmnens 24 Have Your Network Certified sssr ca ind Chae ehu dian esp aaacnk tarr sn T 24 IEP SENO Seena a a E E E eee ees 24 Communicating on a Serial Network ccinavesuuckeresoncnectunckereeorcummnbeuckers4s 26 Maintaining thE COME sisses ene ae ee ea e a herena ed 26 Getting Device and Firmware Information 00 200 cece errereen ree 26 Changing the Controller s IP Address n 27 Resetting the Controller se cacti c p et in ktawemencanpeaiin beavers mae peawenkcauracamanpeane 28 loading New FUMIE 555 05 asceagnhaenecatine in hans eta iE 28 Setting Time and GU ss ous scaw s a sareletepgnise alan aeie eran E CEA EE Eisai 29 SNAP PAC S1 Controller STAT LED Blink Codes n n 29 SNAP PAC S1 Cont
4. Dial up server type PPP Windows NT Windows 95 Plus Internet e Network protocols TCP IP only Don t enable software compression Don t enable PPP LCP extensions TCP IP Settings Server assigned IP address Server assigned name server addresses Don t use header compression Douse default gateway on remote network Script Tab After dialing None Security Tab Accept any authentication including clear text SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS Configuring Microsoft Windows Dial up Networking on Windows 2000 Use the following settings to configure Windows dial up networking on any PC that will dial in to the controller 1 2 Click Start and choose Settings Control Panel Double click Network and Dial Up Connections Double click Make New Connection Follow directions in the wizard to create a new connection When the new connection is created double click its name in the Network and Dial Up Connections window In the Properties dialog box set each tab as shown in the following figures General Tab 2nd Connection to 695 3032 Properties 21x General Options Security Networking Sharing Connect using Modem Courier Y E verything External COM1 m Phone number Modem Configuration 2 x Ber ey Cree Same Courier V E verything External COM1 Eotnudieeion soc Maximum speed bps Modem protocol TE J Use dia
5. Neither the PC nor the controller unit uses the switch s uplink port e The controller s LNK LED is lit Check Ethernet Errors Next use PAC Manager to check any Ethernet errors reported These errors indicate network problems You will need to know the controller s IP address 1 Choose Start Programs Opto 22 PAC Project Software gt PAC Manager In the PAC Manager main window click the Inspect icon Ql 2 3 Inthe IP Address field type the IP address of the controllerl O unit Click Status Read 4 Scroll down until you see the items Ethernet Errors Late Collisions Ethernet Errors Excessive Collisions and Ethernet Errors Others SNAP PAC S Series User s Guide TROUBLESHOOTING 5 Inspect 1 0 Unit IP Address 10 192 55 63 x Por 2001 Status Read Status Read R OxFFFF F030 0058 TCP Minimum RTO msec 250 Status Write OxFFFF F030 0064 TCP Initial RTO msec 3000 x x OxFFFF F030 0068 TCP Retransmits 5 Point Config Digital Bank OxFFFF F030 006C TCP Idle Session Timeout msec 240000 Digital Point Timeout 1000 ms Status Status Read area last read at 10 23 06 14 30 15 ar OxFFFF F030 0108 TCP Idle Session Timeout Count 0 OxFFFF F030 0070 Ethernet Errors Late Collisions a Ethernet Errors OxFFFF F030 0074 Ethernet Errors Excessive Collisions 0 Analog Bank Analog Point High Density System gt Scratch Pad gt DataLog gt OxFFFF F030 0078 OxFFFF F
6. Battery backed RAM Flash 8 MB 16 MB 7 5 MB available for ioControl strategy 4 MB available for file storage Backup battery User replaceable 3 6 volt TL 5242 W lithium 10 year minimum power off data retention Communication Ethernet host and I O RS 232 serial host only RS 485 serial I O only Two independent 10 100 Mbps Ethernet network interfaces RJ 45 connec tors Each interface has a separate IP address Two RS 232 serial ports one DB 9 and one pluggable connector one port has full handshaking One RS 485 serial port pluggable connector two wire RS 485 no mistic sig nal interrupts I O unit compatibility Ethernet based I O units Serial based I O units Opto 22 SNAP Simple I O SNAP Ethernet I O and SNAP Ultimate I O units Serial B3000 SNAP BRS B100 B200 mistic remote bricks G4D16R G4D32RS G4A8R Power requirements 8 32 VDC 0 5 10 VA maximum SNAP PAC S1 controllers with serial numbers below 500 000 use 8 24 VDC Environmental Operating temperature Storage temperature Humidity 0 C to 60 C 40 C to 85 C 0 to 95 relative humidity non condensing Software PAC Project Basic PAC Project Professional Other features Includes programming HMI software and configuration software included with purchase of controller PAC Project Basic plus OPC 2 0 compliant OPC server OptoDataLink data base connectivity tool OptoControl strategy and OptoDisp
7. IMPORTANT Any modem used with the controller must implement the Carrier Detect CD signal or use a custom cable that connects CD to Data Terminal Ready DTR 1 Connect the modem to the controller using a modem cable with female DB 9 connector If necessary see Connectors Indicators and Pinouts on page 32 for pinout details 2 Store configuration settings to the modem s NVRAM following instructions in the user s guide for your modem NOTE Configuration settings must be stored to the modem s NVRAM so they will be loaded when the controller sends a reset command to the modem 3 If PCs will dial up the controller set up Windows dial up networking on the PCs that will call the controller See the section for your operating system in Appendix B PPP Support in Microsoft Windows 4 Ifyou want the controller to dial up a PC set up a remote access server RAS on the PC This is also described in Appendix B PPP Support in Microsoft Windows RS 485 Connections You can use an RS 485 serial port on a SNAP PAC S series controller to connect to Opto 22 I O units on a two wire RS 485 serial network These I O units include serial B3000 brains and mistic remote bricks such as the G4D16R G4D32RS and the G4A8R NOTE The controller s RS 485 interface does not currently support mistic signal interrupts 14 SNAP PAC S Series User s Guide CHAPTER 2 QUICK START RS 485 bias and termination settings are config
8. 0010 Comm Watchdog Time msec 0 Disable Digital Bank OxFFFF F038 0014 TCP Minimum Retransmission Timeout msec 250 g OxFFFF F038 0018 TCP Initial Retransmission Timeout msec 3000 Digital Point OxFFFF F038 001C TCP Retransmission Attempts 5 OxFFFF F038 0020 TCP Idle Session Timeout msec 0 Disable 240000 Analog Bank OxFFFF F038 004C Max Digital Scantime msec 1000 OxFFFF F038 0050 Max Analog Scantime msec 1000 Analog Point OxFFFF F038 0054 Scanner Flags 0x 00000000 OxFFFF FFFF F050 Secondary IP Address 10 192 255 5 High Density OxFFFF FFFF F058 Secondary Subnet Mask 255 255 192 0 System gt Operation Commands Send Command Scratch Pad gt Send powerup clear Reset to defaults and Restart 1 0 Unit DataLog gt Store configuration to flash Erase configuration from flash PID Restart 1 0 Unit from powerup Switch to loader mode Events gt Clear digital event configuration Clear alarm configuration Communications gt Clear PPP configuration Clear e mail configuration Other Clear timer configuration Clear PID configuration Clear datalog CAUTION Note the following recommended settings TCP Minimum Retransmission Timeout msec 250 TCP Initial Retransmission Timeout msec 3000 TCP Retransmission Attempts J TCP Idle Session Timeout msec 240 000 Ifyou set these fields too low you may not be able to communicate with the controller at all even through PAC
9. In addition to flowchart programming with subroutine capability PAC Control includes a powerful built in scripting language based on C and other procedural languages PAC Control Professional adds the capability of importing OptoControl strategies support for mistic O units and using a SNAP PAC controller s independent Ethernet interfaces to segment networks PAC Display Basic is an intuitive HMI package for building operator interfaces or projects for communicating with a SNAP PAC controller PAC Display offers a full featured HMI including alarming trending and a built in library of 3 000 industrial automation graphics PAC Display Professional adds the capability of importing projects created in OptoDisplay and using redundant Ethernet links on SNAP PAC controllers PAC Display Professional can also connect to Ethernet based FactoryFloor controllers running OptoControl strategies OptoOPCServer PAC Project Professional only is a fast efficient OPC 2 0 compliant server for communicating with many Opto 22 products including SNAP PAC S series controllers and other SNAP controller brains running PAC Control strategies SNAP Ethernet based I O units that use SNAP brains like the SNAP B3000 ENET or SNAP ENET M64 Fthernet based FactoryFloor controllers running OptoControl strategies Using OptoOPCServer you can consolidate data from all these Opto 22 systems into the OPC client software of your choice such as third pa
10. PAC S Series User s Guide Related Documentation For Help CHAPTER 1 OVERVIEW About This Guide See the following sections for basic information on setting up and maintaining a SNAP PAC S series controller e Chapter 2 Quick Start e Chapter 3 Maintenance and Troubleshooting e Appendix A Technical Specifications You may also need the following documentation depending on your application SNAP PAC S series controller and Opto 22 PAC Manager User s Guide 1704 I O units SNAP Uae SNAP Ethernet Based I O Units User s Guide 1460 SNAP Ethernet I O OptoMMP Protocol Guide 1465 SNAP Simple I O d PAC Control User s Guide 1700 PAC Control strategies PAC Control Command Reference 1701 PAC Control Commands Quick Reference Card 1703 All of this documentation is on the CD that came with the controller all forms are available on our Web site www opto22 com for downloading The easiest way to find one is to search on the form number If you have problems installing or using a SNAP PAC S series controller and cannot find the help you need in this guide contact Opto 22 Product Support Phone Fax Email Opto 22 website 800 TEK OPTO 835 6786 951 695 3080 Hours are Monday through Friday 7 a m to 5 p m Pacific Time 951 695 3017 support opto22 com www opto22 com NOTE Email messages and phone calls to Opto 22 Product Support are grouped together and
11. SNAP PAC S1 controllers with serial number 500000 and higher have an 8 32 VDC voltage input rating SNAP PAC S1 controllers with serial numbers lower than 500000 have an 8 24 VDC input rating Using an input voltage above this range will cause damage that is not covered by the warranty The SNAP PAC S1 serial number appears on the sticker on the side of the unit The input voltage rating is shown on the top cover of the controller P Address IP Address MAC 1 00 A0 3D 00 XX XX MAC 1 00 A0 3D 00 XX XX eeee eee SNAP PAC S1 20O ee gt ce muumi C O input voltage rating RL SNAP PAC S1 serial number e sev0c Installing Hardware 1 Install Opto 22 1 0 units according to instructions in form 1460 the SNAP Ethernet Based I O Units Users Guide This guide is on the CD that was shipped with the I O unit s brain it is also available from our website at www opto22 com 2 Choose a convenient mounting location for the SNAP PAC S series controller and either panel mount or DIN rail mount it according to the diagrams on page 17 and page 18 3 Confirm that the power supply to be used with the controller is turned off or unplugged and discharge any residual charge that may remain in the power supply 4 With the power supply off or unplugged connect the power supply to the controller SNAP PAC S Series User s Guide CHAPTER 2 QUICK START CAUTION Reversing wire polarity may cause damage to your contr
12. User s Guide ga CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS 10 Click Start and choose Settings Control Panel Services In the dialog box scroll down and highlight Remote Access Server To start the service manually click Start To set it to start automatically click Configure and click Automatic Start RAS is ready for use SNAP PAC S Series User s Guide
13. controller Opto 22 legacy SNAP Ethernet based 1 0 units SNAP Simple I O SNAP Ethernet I O or SNAP Ultimate I O units on the same Ethernet network as the controller Opto 22 RS 485 serial based I O units serial B3000 SNAP BRS B100 B200 brains or mistic remote bricks G4D16R G4D32RS G4A8R on a two wire RS 485 network Installing Software In your CD ROM drive insert the CD that came with the SNAP PAC S series controller The installation wizard should start automatically If it doesn t use Windows Explorer to navigate to your CD ROM drive and then double click setup exe SNAP PAC S Series User s Guide 11 INSTALLING AND CONFIGURING THE CONTROLLER Power Supply Recommendations Opto 22 recommends that the SNAP PAC S series controller be powered with an Opto 22 SNAP PS24 or SNAP PS24U power supply In place of one of these power supplies Opto 22 recommends an 8 32 VDC linear supply with adequate current ratings for the load For more information on power requirements see SNAP PAC S1 Specifications on page 31 Change to SNAP PAC S1 Power Input Range Current SNAP PAC S1 controllers have an 8 32 VDC input range but earlier SNAP PAC S1 controllers use an 8 24 VDC input range Before applying power to the controller confirm that the input voltage is within the voltage range shown on the faceplate The voltage input rating can also be determined based on the SNAP PAC S1 s serial number as follows
14. i l controls all 1 0 units l ii I O units are all connected by the controller Each 1 0 unit l i is connected to its own group of sensors and actuators but all are connected to the same two networks l SNAP PAC E le SNAP PAC EE brains A al E brains ea l I l Sensors and actuators Sensors and actuators location 1 location 2 SNAP PAC S Series User s Guide ARCHITECTURAL DIAGRAMS Remote Host and I O Unit Connections Using PPP For remote monitoring and control you can use a SNAP PAC S series controller to connect to a remote host such as a PC or to a SNAP Ethernet based O unit using a dial up link For this use the controller communicates using the Point to Point Protocol PPP over a modem Enterprise Network PC running OptoOPCServer ee 1 PC running PAC Display Professional Ethernet switch SNAP PAC S series controller uses a PPP dial up telephone connection to communicate with 1 0 units at a remote location Dial up modem Dial up modem at remote location SNAP I O unit at remote location is connected to sensors and actuators ethernet i o Sensors and actuators at remote location EJ SNAP
15. of Telefonaktiebolaget LM Ericsson All other brand or product names are trademarks or registered trademarks of their respective companies or organizations SNAP PAC S Series User s Guide Table of Contents Chapter 12 OVGWieW sic cdesisedeasedudeiieesiseiaebsicetsesticseeneeseess 1 NTOMSCRUIE GAIN As dyes beshgien ave eatecho a ce vaueeran E vase ramet ercnree trans 1 COMIN seee aea et pee neous seated ee aac ee meade 1 SNAP PAG S Series Controller 2 irsetiiatdencigdedtediatdiaciadestedidaivetialerieddarn 2 Serial Host Communication s n 1 2asveanaacacawrendinrermdmehaqere lt eaiawareriameeatiem res 2 Backward Compatibility 1 2 xacccecasazcedeinbonddesardoretoinsrcteeiassacetesaxaneaean hes 2 SOWIE eee on Cree ee aca a a tone E gam ton E ae 2 Software Availability 4 55 c4iag nt ad navdeandadabayed aurea talaietoreiadateadetniaant ees 3 Architectural Diagrams eeri vic sntew ence sawens ddebuewbeeonmnd EEEE E Mees EE 4 Ethernet Connections to Host and WO UNS icirrecoieinvertoerbrarioneeiaaduawboneionaies 4 Connections to Serial based 1 0 Units cccccccccueeceeeentstseneeseneuesenareeees 6 Ethernet link MEGUIUANCY cinaiasavettursenesidedaduindaedagesnatinaumerecddausendsaauans 7 Remote Host and 1 0 Unit Connections Using PPP n anneanne 8 About This Guide 5G ee Ste heh hws aetna desea cto AE rep hed Se wie dese 9 Related Doc m ntati N ess aceite iqad ceueeetndacwnaquchetniiaihbae agate ataeieieteeraqadeguit 9 ForHelD eenas
16. 030 007C OxFFFF F030 0100 OxFFFF F030 0104 OxFFFF F030 00C0 OxFFFF F030 00C4 Ethernet Errors Others Smart Modules Present analog serial etc Arcnet Reconfigs Detected Arcnet Reconfigs Initiated by I 0 Unit 11982 Module Module 0 Times Discovered l Times Discovered 0 0x0018 15148 OxFFFF F030 00C8 Module 2 Times Discovered Module 3 Times Discovered Module 4 Times Discovered Module 5 Times Discovered Module 6 Times Discovered Module 7 Times Discovered Module 8 Times Discovered Module 9 Times Discovered PID gt Events gt Communications gt Other gt All three of these items should have a value of zero If any of these items has a value other than zero you may have a network problem Analyze Communication Packets If it appears that you have network problems Opto 22 recommends using the open source network protocol analyzer or packet sniffer WireShark www wireshark org to log and analyze network communication packets on your network Have Your Network Certified If you suspect network problems you may need to have your network professionally certified Opto 22 does not offer network validation or certification services but many network hardware manufacturers do Contact the manufacturer of your Ethernet network hardware to have them diagnose fix and certify your network If you continue to have problems communicating with the controller or I O units after y
17. 1704 the PAC Manager User s Guide to assign the controller an IP address This guide is in Adobe Acrobat PDF format on the CD that came with the controller and is also available from our Web site www opto22 com Note that you can use PAC Manager to assign IP addresses to the controller and I O units at the same time RS 232 and RS 485 Serial Networking SNAP PAC S series controllers provide both RS 232 and RS 485 serial communication interfaces Serial Communication ports and their corresponding wiring pinouts are shown in Connectors Indicators and Pinouts on page 32 RS 232 Connections You can use the RS 232 ports on a SNAP PAC S series controller to Direct connect to a device that supports RS 232 communication Connect to a modem and make a serial Point to Point Protocol PPP connection to a remote PC or other device that supports PPP SNAP PAC S Series User s Guide INSTALLING AND CONFIGURING THE CONTROLLER To configure RS 232 serial communication ports on a SNAP PAC S series controller see the instructions in the PAC Manager User s Guide The controller cannot make a direct RS 232 serial connection with an Opto 22 1 0 unit however it is possible to connect to an Opto 22 I O unit that supports PPP communications Attaching the Modem to the Controller To work properly with the SNAP PAC S series controller a modem must be able to store settings in non volatile RAM NVRAM and default to those settings on reset
18. 68 0 0 255 25 Hemove 7 Click the PPP tab and make sure nothing is checked SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS 9 The NetBEUI and Event Logging tabs are not relevant to the controller s access You can set them to any level you wish Since event logging may be useful for troubleshooting the connection you may want to set it as follows but it is not required TEST2KSERY local Properties kzi xj General Security IP NetBEUI PPP Event Logging Event logging C Log errors only C Log errors and warnings Disable event logging IV Enable Point to Point Protocol PPP logging To see the log use the Event Viewer in Administrative tools Once all tabs are set click OK Then highlight the Remote Access Policies branch of the tree Double click the only policy that appears in the window to the right The following window should appear Make sure that it is set to Grant remote access permission as shown Allow access if dial in permission is enabled Properties EE Settings Policy name Allow access if dial in permission is enabled Specify the conditions to match Day And Time Restrictions matches Sun 00 00 24 00 Mon 00 00 24 00 4 Add Remove Edit If a user matches the conditions Grant remote access permission C Deny remote access permission Access will be granted with the profile you specify un
19. Backward Compatibility The SNAP PAC S1 controller also has an RS 485 serial interface for connecting to Opto 22 mistic 1 0 units This enables you to use PAC Control Professional s ability to import control programs or strategies written in OptoControl software to integrate older Opto 22 1 0 systems into modern control hardware running on Ethernet networks For detailed information on updating control strategies and integrating legacy control hardware into modern systems see the FactoryFloor to PAC Project Migration Technical Note Opto 22 form 1692 SNAP PAC controllers use Opto 22 s PAC Project Microsoft Windows compatible automation software for programming human machine interface HMI development and OPC connectivity Two versions of PAC Project are available e PAC Project Basic includes PAC Control for developing control programs PAC Display for creating operator interfaces and PAC Manager configuration software SNAP PAC S Series User s Guide CHAPTER 1 OVERVIEW PAC Project Professional adds expanded versions of PAC Control and PAC Display plus OptoOPCServer software for exchanging data with OPC 2 0 compliant client software applications The PAC Project software suite includes the following applications PAC Control Basic is a graphical flowchart based programming tool for machine control and process applications Using PAC Control you create download and run strategies on a SNAP PAC controller
20. EIO PPP 2 x General Networking Security Scripting Multilink Dialing GB EIO PPF LB r Phone number Area code Telephone number 909 x 695 3032 Country code fu nited States of America 1 IV Use area code and Dialing Properties r Connect using B Courier V Everything External Configure Cancel 5 Click the Configure button To configure the modem set each tab as shown in the following figures 40 SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS General Tab SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS Connection Tab Courier Everything External Properties a Nene Vv E Vv rus Use cellular protocol SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS Options Tab Courier Everything External Properties General Connection Options m Connection control Bring up terminal window after dialing Dial control I Operator assisted or manual dial Wait for credit card tone e4 seconds m Status control IV Display modem status 6 Click OK when modem configuration is complete When you return to the Properties dialog box for the new connection set additional tabs as follows Networking Tab EIO PPP 2 General Networking Security Scrip
21. Ethernet based I O units some items apply to some devices and not others The following items do not apply to standalone controllers Degrees F C PID Loops Comm Watchdog Time msec Smart Modules Present Scanner Flags Arcnet data Digital Scan Counter Digital resets and failures since powerup Analog Scan Counter For detailed information about items in the Status Read area see the PAC Manager User s Guide Changing the Controller s IP Address If you know the SNAP PAC S series controller s IP address see the PAC Manager User s Guide for instructions to change it SNAP PAC S Series User s Guide MAINTAINING THE CONTROLLER If you do not know the IP address first check the label on the side of the controller in case the IP address has been written there If you still don t know the controller s IP address reset the controller to factory default settings following the instructions in Resetting the Controller on page 28 and then set the IP address as described in the PAC Manager User s Guide Resetting the Controller 1 Carefully insert a straightened paperclip or stiff wire into the small hole labeled RESET 2 Press and hold down the RESET button as described below Quickly press and release the RESET button f The controller restarts Any files strategy and archived strategy in RAM are erased If these items have been stored to flash memory they will not be erased Simple reset Cycle power to the control
22. Manager to fix the settings Then you would have to reset the controller to factory defaults 4 Change these four fields as necessary TCP Minimum Retransmission Timeout sets an absolute minimum value for the RTO The controller s calculated RTO will never go below this value SNAP PAC S Series User s Guide MAINTAINING THE CONTROLLER TCP Initial Retransmission Timeout sets the RTO for the first communication try Be careful since all future tries are based on this value if you set it too low for network conditions a connection will never be made TCP Retransmission Attempts sets the number of times the controller retries communication Larger busier networks need a higher number of retransmits than smaller networks with less traffic TCP Idle Session Timeout sets how long in milliseconds the controller allows a session to remain open without any activity After this time the controller closes the unused session The default is 240 000 milliseconds or four minutes 5 Click the Apply button to write your changes to the controller 6 In the Operation Commands list highlight Store configuration to flash Click Send Command 7 Inthe Operation Commands list highlight Restart I O Unit from powerup Click Send Command The new TCP parameters are set Communicating on a Serial Network If a SNAP PAC S series controller fails to connect using either an RS 232 serial interface for PPP host communication or an RS 485 serial i
23. SNAP PAC S SERIES CONTROLLER USER S GUIDE Form 1592 070228 February 2007 OPTO 2 2 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 SNAP PAC S Series User s Guide Form 1592 070228 February 2007 Copyright 2005 2007 Opto 22 All rights reserved Printed in the United States of America The information in this manual has been checked carefully and is believed to be accurate however Opto 22 assumes no responsibility for possible inaccuracies or omissions 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 Opto 22 1 0 modules and solid state relays with date codes of 1 96 or later are guaranteed for life This lifetime warranty excludes reed relay SNAP serial communication modules SNAP PID modules and modules that contain mechanical contacts or switches Opto 22 does not warrant any product components or parts not manufactured by Opto 22 for these items the warranty from the original manufacturer applies These products inc
24. ane AE G E EE E EOE EENE 9 Chapt r 2 Quick Start sscririsrsiicsoridi titit tt ti niana EENEN ean 11 Installing and Configuring the Controller c2 rcciaseresneemeireeinaeeieetteaeericinaede ens 11 What You Will Need lt cise scares paeraedseedndenotn e AE E 11 INSTANING SONWOE earnan ESEE OTEO 11 Power Supply Recommendations 5 cccauctsac scewanae daatwhbandchwinaie rrer beans rreren 12 Change to SNAP PAC S1 Power Input Range ccccccessceceeeeeeueeeeneenneeens 12 stalling Han WdN Ey ac24nanetnnawnnss eoateoushoudecuseerdpoushonsmnereerdpoushore 12 RS 232 and RS 485 Serial Networking 0c0sencccen cose dade bencocae nvaesdaveheecedaes 13 Pe CONNECTIONS orarie eae E gat nee E E A E S 13 Attaching the Modem to the CONTOIET uiniessoneceseadauaderiwecomuetannrterress 14 SNAP PAC S Series User s Guide iii R3465 CONMECIING s ninrin terrae a Eea OE toad enna E EEE 4 Wiring the 10 pin Serial Connector ccccccenceeeceeeneeeeeeeeteeteereaees 5 Assigning an IPAddress i ts aoc d Paints Pac aii Qua dahuca ed vsi A ANE 6 Mounting the Controle 2 2 2 op ctivc eierniie gie EE EEE ER EEE EVAAA ENE 6 Panel Mounting and Dimensions 00 c 00sec cece cece eset eee ene tenet eens 7 DIN Rail Mounting and Dimensions 0ccsesccrcececseeneeseeenseceeteenns 8 About the Controller s Memory Map is isscvasceiaeewstedinexarbedaaserdedineusueeiiarecneds 9 Using Data for Peer to Peer COMMUNICATION
25. answered in the order received SNAP PAC S Series User s Guide 9 FOR HELP 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 Controller firmware version PC configuration A complete description of your hardware and operating systems including switch configuration type of power supply types of I O units installed third party devices installed for example barcode readers Specific error messages seen 10 SNAP PAC S Series User s Guide Quick Start Installing and Configuring the Controller What You Will Need e PC running Microsoft Windows 2000 or Windows XP workstation operating system with a 10 100 MB Ethernet interface the TCP IP protocol installed and a valid IP address on the same subnet as the controller e Crossover cable for direct connection to the PC or an available connection to a standard JOBASE T or 1OOBASE TX Ethernet network SNAP PAC S series controller CDthat came with the controller or PAC Project Professional CD purchased separately e 8 32 VDC power supply see Power Supply Recommendations on page 12 for specific information and recommendations Small flathead screwdriver e One or both of the following depending on your I O system requirements Opto 22 SNAP PAC Ethernet brain based 1 0 units on the same Ethernet network as the
26. as an inappropriate IP address and subnet mask Make sure the IP address and subnet mask on the controller are compatible with those on the computer Follow directions in the PAC Manager User s Guide to check the IP address and subnet mask on the controller and change them if necessary If you see the message No response from host check the following e Are the computer and controller correctly connected Is the controller turned on e Are the IP address and subnet mask on the controller compatible with those on the computer SNAP PAC S Series User s Guide CHAPTER 3 MAINTENANCE AND TROUBLESHOOTING e Is the controller in bootloader mode If the reset button is held down for too long the controller will enter bootloader mode which is indicated by the STAT LED blinking seven times quickly If you still cannot ping the controller contact Opto 22 Product Support See For Help on page 9 for contact information Solving Network Problems If there are recurring problems in communicating with the controller check your network The wires switches and other parts 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 Create a Network Diagram First create a network diagram and verify the following e Cable connectors are firmly inserted e The switch has power Switch LEDs indicate that the connection is up e
27. as shown Optional DIN rail adapter clip 4 5 102 86mm OPTO 22 SNAP PAC 1 aS pod 1 75 44 44mm m Imm FOR DIN CLIP ADD ADDITIONAL 0 06 1 52mm TO OVERALL HEIGHT CUSTOMER SUPPLIED SNAP RACK DIN RAIL ADAPTER CLIP 35mm DIN RAIL NOTE BE SURE TO CONSIDER DIN RAIL DIMENSIONS 18 SNAP PAC S Series User s Guide CHAPTER 2 QUICK START About the Controller s Memory Map Like SNAP Ethernet based brains a SNAP PAC S series controller uses a memory mapped system for storing data and making that data available to other devices on the Ethernet network This data includes configuration data status information about the controller itself and PAC Control strategy variable data that may be needed by a peer on the network Although SNAP PAC S series controllers are designed to run PAC Control strategies you can also write your own software applications to communicate with the controller s memory map either instead of or in addition to using PAC Control You can use the OptoMMP Communication Toolkit or the IEEE 1394 based protocol for writing your applications Both are explained in Opto 22 form 1465 the OptoMMP Protocol Guide which also includes complete details of the memory map Although this guide is written for I O units you can use the same information for a SNAP PAC S
28. ations Dial Up Networking Click Make a new connection and follow the wizard Phone Number tEnter the phone number for the modem attached to the controller Some cellular services have a recorded voice message prior to connecting if so try appending an to the phone number It should delay the modem modulation negotiation sequence long enough for the remote controller to pick up the line Server Type PPP Windows 95 Windows NT 3 5 Internet Advanced Options Don t log on to network Don t enable software compression Don t require encrypted password Allowed network protocols ICP IP only TCP IP settings e Server assigned IP address e Server assigned name server addresses Don t use IP header compression Use default gateway on remote network SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS Configuring Microsoft Windows Dial up Networking on Windows NT Use the following settings to configure Windows dial up networking on any PC that will dial in to the controller Click Start and choose Programs Accessories Dial Up Networking Basic Tab Phone Number Enter the phone number for the modem attached to the controller Some cellular services have a recorded voice message prior to connecting if so try appending an to the phone number It should delay the modem modulation negotiation sequence long enough for the remote controller to pick up the line Server Tab e
29. ct Product Support 3 slow Firmware CRC check failed Contact Product Support 4 slow tnvelleliMAe Ress a Contact Product Support hardware revision Firmware or hardware problem Check the power 5 slow Fatal error supply and connections before restarting Call Prod uct Support if the error is repeated 6 slow RAM error Contact Product Support SNAP PAC S Series User s Guide MAINTAINING THE CONTROLLER Firmware or hardware problem Confirm Ethernet cables are connected Try turning off power to the controller and turning it back on again Call Product Support if the error is repeated 7 slow Loader problem Firmware failed to initialize 11 slow communications on Contact Product Support ENET 1 Firmware failed to initialize 12 slow communications on Contact Product Support ENET 2 13 slow Realtime clock failure Contact Product Support SNAP PAC S1 Controller Serial Port LEDs The S0 S1 and S2 LEDs on the SNAP PAC S1 indicate serial port operation as follows e Green Transmit e Red Receive e Amber Transmit and Receive the LED is actually changing rapidly between green and red which appears amber SNAP PAC S Series User s Guide Technical Specifications SNAP PAC S1 Specifications Processor 266 MHz 32 bit ColdFire 5475 with integrated floating point unit FPU Memory Total RAM 32 MB 16 MB available for ioControl strategy
30. dows 2000 choose Start Programs Administrative Tools Routing and Remote Access 2 Inthe Action pull down menu select Add Server Keep the default to add This Computer as the server Click OK 3 Right click on the server you just added and choose Properties Click the General tab and choose the following settings TEST2KSERY local Properties 2h xi General Security IP NetBEUI PPP Event Logaing at Routing and Remote Access Enable this computer as a ocal area network LEN routing only LAN and demand dial routing IV Remote access server 4 Click the Security tab and set as shown below TEST2KSER local Properties Jei x General Security P NetBEUI PPP Event Logging The authentication provider validates credentials for remote access clients and demand dial routers Authentication provider Windows Authentication Configure Authentication Methods The accounting provider maintains a log of connection requests and sessions Accounting provider lt None gt X Configure ga SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS 5 Click the Authentication Methods button and set the following and then click OK Authentication Methods 6 Set the IP tab to use either Static address pool or DHCP server In this example we used a Static address pool TEST2KSERY local Properties 192 168 0 3 192 168 0 5 3 192 1
31. es controller SNAP PAC controllers have two independent Ethernet network interfaces labeled on the top of the controller as ENET1 and ENET2 By assigning a different IP address to each interface you can connect the controller to two different Ethernet networks PAC Control Professional provides commands to configure the IP addresses Mounting the Controller The SNAP PAC S series controller can be panel mounted or mounted on a DIN rail DIN rail mounting requires an adapter clip part number SNAP PSDIN not included The controller is the same size and shape as most SNAP power supplies 16 SNAP PAC S Series User s Guide CHAPTER 2 QUICK START Panel Mounting and Dimensions Use two screws on each side of the SNAP PAC S series controller to mount it to a panel 4 40 111 77mm 20 5 03mm pm 4 80 121 84mm OPTO 22 SNAP PAC C Ee Ss Pad 3s 3 vA 4 05 102 86mm 4375 111 1mm 417 105 9mm SNAP PAC S Series User s Guide INSTALLING AND CONFIGURING THE CONTROLLER DIN Rail Mounting and Dimensions DIN rail mounting requires an adapter clip part number SNAP PSDIN not included For DIN rail mounting remove the four screws that fasten the panel mounting base plate to the controller Save screws Remove the base plate Use the four screws to fasten the DIN rail adapter clip to the bottom of the controller
32. he controller see the PAC Control User s Guide and the PAC Control Command Reference Both are available in PDF format on the CD that came with the controller SNAP PAC S Series User s Guide 19 WHAT S NEXT To work with the following items on the controller see instructions in the PAC Manager User s Guide File system and FTP Security settings Port configuration SNAP PAC S Series User s Guide Maintenance and Troubleshooting e To troubleshoot problems that may have occurred see the section Troubleshooting starting below e For maintenance information about the SNAP PAC S series controller see the section Maintaining the Controller on page 26 Troubleshooting If you encounter a problem while installing or using the SNAP PAC S series controller check the information in this section If you need to contact Opto 22 Product Support see For Help on page 9 Checking Power When troubleshooting any problem with your controller first check that the required power is correctly supplied IMPORTANT The SNAP PAC S series standalone controller requires 8 32 VDC power not the 5 VDC power used by previous SNAP controllers and controller brains If you are replacing an older SNAP controller or controller brain with a SNAP PAC S series controller make sure that 8 32 VDC power is supplied 1 Review the information in Power Supply Recommendations on page 12 and the power requireme
33. lay project import ing support for serial mistic 1 O units and Ethernet link redundancy support Multiple protocol support including TCP IP FTP SNMP SMTP and OptoMMP Real time clock FTP server client with file system Ethernet link redundancy or network segmenting SNAP PAC S Series User s Guide CONNECTORS INDICATORS AND PINOUTS Connectors Indicators and Pinouts DIP switches for RS 485 serial link bias and termination Port 2 for RS 485 serial communications pins 1 5 of pluggable 10 pin connector Port 1 for RS 232 serial communications pins 6 10 of pluggable 10 pin connector Port 0 for RS 232 serial communications DB 9 connector with handshaking Controller reset button Status and Activity LEDs RS 232 serial activity on SO port 0 RS 232 serial activity on S1 port 1 2 RS 485 serial activity STAT Startup status and control program operational status ACT Ethernet network activity Link established with LINK Ethernet network SNAP PAC S Series User s Guide w Q N Se Ru no x RS 232 DTE Port 0 DB 9 connector 1 DCD 2 RX 3 TX 4 DTR 5 COM 6 DSR 7 RTS 8 CTS 9 RI Activity LED Yellow Link LED Green Independent 10 100 Mbps Ethernet interfaces RJ 45 connectors Activity LED Yellow Link LED Green STAT LED 8 32 VDC input power pluggable 3 pin connector RS 485 and RS 232 Ports 1 TX RX
34. ler or Use PAC Manager to send the controller the Restart from Pow erup command The controller restarts Any files strategy archived strat egy and persistent variables in RAM and flash memory are erased Press and hold the RESET button for approximately 1 sec until the STAT LED turns solid green and then immediately release the but ton Restore the factory default set tings IP addresses are reset to 0 0 0 0 and subnet masks to 255 255 255 0 CAUTION If you hold down the RESET button longer than the time needed to restore the factory default settings the controller will restart in Failsafe Bootloader mode 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 controller restarts in Failsafe Bootloader mode simply cycle power to the device This performs the simple reset described above and leaves the controller ready to load a new strategy Loading New Firmware Each SNAP PAC S series controller contains firmware sometimes referred to as the kerne which is similar to an operating system If the firmware should become damaged or if a new version of the firmware is released you can load new firmware to the controller following instructions in the PAC Manager User s Guide SNAP PAC S Series User s Guide CHAPTER 3 MAINTENANCE AND TROUBLESHOOTING Setting Time and Date The SNAP PAC S series cont
35. less access is overridden on a per user basis OK Cancel Apply Click Edit Profile and click the Authentication tab Be sure to uncheck everything except Unencrypted Authentication PAP SPAP 10 Click the Encryption tab and set it to No Encryption ga SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS 11 Leave the Advanced IP and Multilink tabs at their default which is to default to the server settings The Dial in Constraints permit you to set the server side idle session timeout and max connect times These settings are not required but are useful in some cases 12 Once all tabs are set click OK then click OK again The RAS is now ready for the controller to dial in Have your Network Administrator assign the controller a user name to use for dial in permission Setting Up a Remote Access Server on the PC Windows NT Use the following steps to set up a RAS on the PC so that the controller can dial in to the PC Be sure to work closely with your System Administrator 1 2 Click Start and choose Settings Control Panel Network Click the Services Tab then click Add Scroll down and highlight Remote Access Server Click OK Click Continue to copy necessary files In the Add RAS Device dialog box choose your modem from the drop down list or install it if it is not there Click OK In the Remote Access Setup dialog box click Configure In the Configure Po
36. ling rules m Hardware features IV Enable hardware flow control I Enable modem error control J Enable modem compression IV Show icon in taskbar when connected m Initialization I Show terminal window 0 J Bun script z Edit Browse IV Enable modem speaker Cancel SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS Options Tab 2nd Connection to 695 3032 Properties Security Tab 2nd Connection to 695 3032 Properties g SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS Networking Tab 2nd Connection to 695 3032 Properties Internet Protocol TCP IP PPP Settings Sharing Tab 2nd Connection to 695 3032 Properties a On demand dialing id dialing when Enable on demand dialing SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS Configuring Microsoft Windows Dial up Networking on Windows ME Use the following settings to configure Windows dial up networking on any PC that will dial in to the controller 1 Click Start and choose Settings Control Panel Double click Dial Up Networking 2 Double click New Connection Follow directions in the wizard to create a new connection 3 When the new connection is created double click its name in the Dial Up Networking window 4 In the Properties dialog box click the General tab
37. lude but are not limited to OptoTerminal G70 OptoTerminal G75 and Sony Ericsson GT 48 see the product data sheet for specific warranty information Refer to Opto 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 ioUtilities mistic Nvio Nvio net Web Portal OptoConnect OptoControl OptoDataLink OptoDisplay OptoOPCServer OptoScript OptoServer OptoTerminal OptoUtilities PAC Control PAC Display PAC Manager PAC Project SNAP Ethernet 1 0 SNAP 1 0 SNAP OEM 1 0 SNAP PAC System SNAP Simple 1 0 SNAP Ultimate 1 0 and SNAP Wireless LAN 1 0 are trademarks of Opto 22 ActiveX JScript Microsoft MS DOS VBScript Visual Basic Visual C and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and other countries Linux is a registered trademark of Linus Torvalds Unicenter is a registered trademark of Computer Associates International Inc ARCNET is a registered trademark of Datapoint Corporation Modbus is a registered trademark of Schneider Electric Wiegand is a registered trademark of Sensor Engineering Corporation Nokia Nokia M2M Platform Nokia M2M Gateway Software and Nokia 31 GSM Connectivity Terminal are trademarks or registered trademarks of Nokia Corporation Sony is a trademark of Sony Corporation Ericsson is a trademark
38. n a variety of system layouts and architectures Dual independent Ethernet interfaces for example let you configure a network for link redundancy or segmented networking A PPP serial interface provides a dial up modem link for remotely located control systems while two wire RS 485 support integrates existing Opto 22 mistic serial based I O units into contemporary Ethernet based systems Ethernet Connections to Host and I O Units The following diagram shows multiple Ethernet based Opto 22 1 0 units connected together over an Ethernet network and controlled by a SNAP PAC S series controller running a control strategy The controller is also connected to a larger separate enterprise Ethernet network to provide data to two PCs running Opto 22 s PAC Display HMI software and OptoOPCServer Sitting between the two networks the SNAP PAC S series controller segments enterprise traffic from the control network 4 SNAP PAC S Series User s Guide CHAPTER 1 OVERVIEW boy Lj lt gt gt j ioDisplay PC running PAC Display Professional OptoOPCServer Scr Ethernet switch network 1 SNAP PAC S series controller communicates with host computers through one network interface and controls I O with other devices through the other interface Ethernet switch network 2 Prig coum A ethernet i o
39. ndustrially hardened controllers can handle multiple control automation and data acquisition tasks involving digital and analog control serial string handling PID and enterprise connectivity SNAP PAC S1 controller Connecting to Opto 22 serial and Ethernet based I O systems a SNAP PAC S series controller runs control programs written in Opto 22 s PAC Control software to monitor and control a wide range of devices and equipment SNAP PAC S series controllers are well suited to original equipment manufacturers OEMs system integrators and end users in process control discrete manufacturing or hybrid industries and applications Connectivity SNAP PAC S series controllers communicate over standard 10 100 Mbps Ethernet networks and can be attached to existing wired or wireless Ethernet networks The controllers can also be used in an independent control network built with standard off the shelf Ethernet hardware SNAP PAC S series controllers provide multiple serial interfaces for PPP based host and serial I O system communication Two RS 232 serial links one with and one without handshaking support remote serial device communication as well as Point to Point Protocol PPP modem connections for creating TCP IP networks over serial or PSTN Public Switched Telephone Network lines An SNAP PAC S Series User s Guide Ea SNAP PAC S SERIES CONTROLLER RS 485 serial interface connects to legacy Opto 22 mistic I O u
40. nits including the serial B3000 brain and remote mistic bricks SNAP PAC S Series Controller Software The first controller in the SNAP PAC S series is the SNAP PAC S1 This controller includes two independent 10 100 Mbps Ethernet interfaces for networking through an Ethernet switch to Ethernet hosts and to SNAP Simple and SNAP Ethernet I O units which provide the connections to digital and analog sensors and actuators as well as serial devices These independent Ethernet interfaces have separate IP addresses that can be used with PAC Project Professional software to set up redundant network links to safeguard the availability and reliability of an I O system or to segment a control system s network from the enterprise LAN The SNAP PAC S1 simultaneously runs up to 32 PAC Control flowcharts although the PAC Control strategy can actually contain a much larger number of flowcharts The total number of flowcharts is limited only by the controller memory available for strategy storage Serial Host Communication Two RS 232 serial interfaces are available on SNAP PAC S series controllers One port supports a modem connection using PPP while both support general purpose communication with serial devices You can send and receive data from one or two serial devices connected directly to the controller For additional serial host interfaces you can add one or more SNAP serial communication modules on attached SNAP Ethernet based O units
41. nterface for I O unit communication check the following Indicators Depending on the port s being used LED SO 1 or S2 should be red for receive data and green for transmit data Power Wake sure the SNAP PAC S series controller and the device it is connected to have been turned on Physical Connections Check that the connectors on each end of the serial link are firmly attached to the controller and the other connected device RS 232 Configuration RS 232 PPP communication on a SNAP PAC S series controller is configured using PAC Manager software See the PAC Manager User s Guide for information on configuring PPP and direct serial connections RS 485 Configuration RS 485 serial network bias and termination is configured on a SNAP PAC S series controller using DIP switches on the top of the unit Confirm that DIP switches are set to the correct positions for the controller s location in the RS 485 network See RS 485 Connections on page 14 for information Maintaining the Controller Getting Device and Firmware Information If you need to contact Opto 22 Product Support for assistance in using a controller it is helpful to have device and firmware information at hand before you call SNAP PAC S Series User s Guide CHAPTER 3 MAINTENANCE AND TROUBLESHOOTING 1 Choose Start Programs Opto 22 PAC Project Software gt PAC Manager 2 In the PAC Manager main window click the Inspect button Ql 3 I
42. nthe IP Address field type the IP address of the device Click Status Read This example shows a SNAP PAC S1 other devices are similar 3 Inspect 1 0 Unit IP Address 10 192 56 241 m Status Read Status Read Status Write Port 2001 Timeout 1000 ms Status Status Read area last read at 02 01 07 17 08 29 DESCRIPTION Point Config Digital Bank Digital Point Analog Bank Analog Point High Density System gt Scratch Pad gt DataLog gt PID OxFFFF FO30 OxFFFF FO30 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 Powerup Clear Flag PUC Needed Busy Flag Loader Version Memory Map Version Firmware Version Firmware Version Date Firmware Version Time Unit Type Unit Description I O Unit Hardware Revision Month I 0 Unit Hardware Revision Day I O Unit Hardware Revision Year Installed Ram MAC Address TCP IP Address TCP IP Subnet Mask PUC Received 0 0 R1 0o l R8 0a 01 02 2007 16 42 13 0x0000007C SNAP PAC 51 ll 22 2005 33554432 00 A0 3D 00 9D EA 10 192 56 241 255 255 192 0 Events gt Communications gt Other gt OxFFFF F030 OxFFFF F030 TCP IP Default Gateway TCP IP Name Server Secondary MAC Address Secondary TCP IP Address Secondary TCP IP Subnet Mask Keep this window open on your screen when you call Product Support NOTE Because the Status Read area is used for both standalone controllers and
43. nts listed in SNAP PAC S1 Specifications on page 31 Confirm that the power supply used with the SNAP PAC S series controller meets these requirements 2 Confirm that all leads connected to the controller and the power supply are securely attached These connections are described in Installing Hardware on page 12 3 Verify that the controller s ground terminal is connected to a known earth chassis ground as described in Installing Hardware on page 12 4 Confirm that two Phillips head screws are installed on the wide sides of the case one screw per side These screws secure and ground the controller s internal components SNAP PAC S Series User s Guide TROUBLESHOOTING Communicating on an Ethernet Network If you attempt to connect to the controller using its IP address and you cannot first check the following e Make sure the controller has been turned on the STAT LED is lit and not blinking and the LNK and LEDs for the connected Ethernet interfaces are lit See Connectors Indicators and Pinouts on page 32 e Verify that you typed in the correct address for the controller Check the label on the side of the controller where the IP address should be written e Make sure the controller has been assigned a valid IP address and subnet mask SNAP PAC S series controllers come from the factory with a default IP address of 0 0 0 0 which is invalid The default subnet mask is 255 255 255 0 To as
44. oller This damage is not covered by Opto 225 warranty Ifyou are not certain about the polarity of the wires on your power supply check with a meter a With the power supply off or unplugged connect the positive lead from the power supply normally red to the positive terminal on the face of the controller b Connect the COM wire from the power supply normally black to the negative terminal on the face of the controller c Connect a lead from a known earth chassis ground to the z ground terminal on the face of the controller IMPORTANT Do not yet turn on power to the controller Using Category 5 or superior solid unshielded twisted pair cable connect the SNAP PAC S series controller using Ethernet port ENET 1 in one of the following ways Recommended for initial configuration Connect to a PC directly using an Ethernet crossover cable Connect toa standard 10BASE T or 100BASE TX Ethernet network that has a PC on the same subnet as the controller and does NOT have a Dynamic Host Configuration Protocol DHCP server Maximum cable or segment length is 100 meters minimum cable length is one meter lf the controller will connect to 1 0 units on an RS 485 serial network connect the serial cable following the instructions in RS 232 and RS 485 Serial Networking on page 13 IMPORTANT Do not yet turn on power to the controller Before turning on power to the controller follow steps in Opto 22 form
45. on 2 location 3 The diagram also shows a PC running PAC Control Professional an application for developing control programs or strategies to run on the SNAP controller Once developed the strategy is downloaded to the controller and runs independently 6 SNAP PAC S Series User s Guide CHAPTER 1 OVERVIEW Ethernet Link Redundancy The following diagram shows a SNAP PAC S series controller connected to two separate Ethernet network links This configuration addresses the concern that an Ethernet network may fail or need maintenance leaving the PC running OptoOPCServer the PC running PAC Display the controller and the 1 0 units unable to communicate In this configuration if one link goes down devices can still communicate on the other Each PC has two network interface cards NICs and the SNAP PAC S series controller and the I O units SNAP PAC EB1 and EB2 brains have two network interfaces as well Opto 22 Redundant Network PC with two m r a l l NICs runnin oe paCDispay BEEM i i psy ae OptoOPCServer ae i I 2s _ i l Ethernet switch A Ethernet switch i network 1 i network 2 al SNAP PAC S series controller
46. our network is certified contact Opto 22 Product Support See For Help on page 9 TCP Settings Retransmit timeout RTO refers to the length of time the controller waits while communicating before timing out The RTO is determined by the controller s TCP IP stack and the stack continually recalculates the RTO based on recent network traffic If the network becomes busier for example the stack automatically adjusts the RTO to a higher value SNAP PAC S Series User s Guide CHAPTER 3 MAINTENANCE AND TROUBLESHOOTING If the TCP IP stack times out while trying to transmit data it doubles the current RTO and tries again This process continues for five retries after that the controller stops trying and sends a timeout message If you are receiving frequent timeout messages from the SNAP PAC S series controller you can change the TCP parameters in PAC Manager 1 Choose Start Programs Opto 22 PAC Project Software gt PAC Manager 2 In the PAC Manager main window click the Inspect button Ql 3 In the IP Address field type the IP address of the controller Click Status Write 5 Inspect I 0 Unit IP Address 10 192 55 67 x Port 2001 Timeout 1000 ms Status Status Write area last read at 10 11 06 12 26 56 Status Write Status Read Status Write Address Description OxFFFF F038 0004 Always BootP DHCP On Powerup No Appl Point Config OxFFFF F038 0008 Degrees F C Decrees C pply OxFFFF F038
47. roller Serial Port LEDS n n 30 Appendix A Technical Specifications ce cece cece cece eeeees 31 SNAP PAC S1 Specifications cccccenceeeteeuceeeneeeneecaeeeueeeeaueeneseeenueenes 31 Connectors Indicators and Pinouts 0 cece cece ec eeeeeeeeeeeeeeeeeeunneneeeeeeenes 32 WITTEN NOLS ees are na E E AEE Mada beaia ae SNR AE AR ad aentaes 33 Appendix B PPP Support in Microsoft Windows eeeeeeees 35 SNAP PAC S Series User s Guide Configuring PPP Support in Microsoft Windows F Config Config E S Configuri p Configuri Setting U ri E Setting U ng Microsoft Windows Dial up Network ng Microsoft Windows Dial up Networki ng Microsoft Windows Dial up Networki ng Microsoft Windows Dial up Networki p a Remote Access Server on the PC Wi p a Remote Access Server on the PC Wi ETE E E EE EA 35 ing on Windows 95 98 a an 35 ng on Windows NT 36 ng on Windows 2000 nasses 37 ngon Windows ME n a 40 ndows 2000 Advanced Server 46 ndows NT oo cece cece cece even eee e es 49 SNAP PAC S Series User s Guide SNAP PAC S Series User s Guide Overview Introduction SNAP PAC S series programmable automation controllers provide powerful real time control and communication to meet your industrial control monitoring and data acquisition needs As part of an Opto 22 input output I O system one of these compact i
48. roller s built in clock is set at the factory To change the time and date see the instructions in the PAC Manager User s Guide SNAP PAC S1 Controller STAT LED Blink Codes The STAT LED on the top of the SNAP PAC S series controller uses blink codes to indicate controller operation and status conditions The blink codes can be useful during operation and in troubleshooting When the STAT LED is on and remains green it indicates that a flowchart is running and a user task is being executed When the STAT LED is on and remains orange it indicates that the controller is running but no flowchart is running Different blink codes can occur in sequence For example two fast green blinks followed by three slow red blinks show the firmware loading at startup followed by a firmware error If the STAT LED blinks green when the controller starts up it indicates the following 2 fast Loading firmware kernel from Flash memory to SDRAM 5 fast Default settings have been successfully restored 7 fast Entering failsafe bootloader mode If the STAT LED is blinking orange it indicates the following continuous claw There is a problem with the bootloader Contact Product Support continuous fast No IP address is assigned to the controller If the STAT LED is blinking red it indicates the following Flash chips failed to erase properly or program prop 2 slow Flash programming failure erly Conta
49. rt Usage dialog box choose either Receive calls only or Dial out and Receive calls Click OK Back in the Remote Access Setup dialog box click Network Under Dial out and Server Settings leave only TCP IP selected Click Accept any configuration including clear text Click Configure In the RAS Server TCP IP Configuration dialog box do the following Check This computer only Ifyou are using a DHCP server on your network talk to your System Administrator about what addresses to assign Otherwise enter a Static PPP IP address pool for the controller or other incoming devices to use Ifyou have configured the controller to Specify the local IP address when calling out you must also check the box to allow remote clients to request a predetermined IP address Click OK and then click Continue This step requires Administrator privileges on the PC Click Start and choose Programs Administrative Tools User Manager From the User menu choose New User Create a new user and password that matches the login and password entered in PAC Manager when configuring PPP Still in the New User dialog box click the Dialin button Click Grant dialin permission to use and leave No call back checked Click OK When the new user and password are set restart the PC The RAS must be started so that the PC will listen for the controller s phone call You can start it manually or set it to start automatically SNAP PAC S Series
50. rty HMI and data acquisition packages and custom software applications you create with tools such as Visual C OptoDataLink PAC Project Professional only is an easy to use database connectivity tool that establishes links between Opto 22 controllers and various databases including Microsoft SQL Server Microsoft Access and others PAC Manager is a utility application for assigning IP addresses to SNAP PAC controllers reading or changing basic controller configuration downloading firmware upgrades and more PAC Manager is also used to configure the I O units that communicate with the controller Software Availability PAC Project Basic is included with SNAP PAC controllers and is a free download from the Opto 22 Web site PAC Project Professional is available for purchase on a CD with both Acrobat PDF format and printed documentation To get PAC Project Professional immediately you can buy and download the software from the Opto 22 Web site at www opto22 com the CD and printed documentation will be shipped to you You can also separately purchase PAC Control Professional SNAP PAC S Series User s Guide ARCHITECTURAL DIAGRAMS PAC Display Professional OptoOPCServer and OptoDataLink as needed For additional information see the PAC Project data sheet Opto 22 form 1699 Architectural Diagrams Because SNAP PAC S series controllers have multiple Ethernet and serial interfaces these controllers are suitable for use i
51. series controller Just be aware that many sections do not apply since the controller s memory map doesn t include any 1 0 point or related information The SNAP PAC S series controller s memory map includes only the following areas Status Area Read Security Configuration Communications Port Configuration PPP Configuration Date and Time Configuration PPP Status Status Area Write Scratch Pad Using Data for Peer to Peer Communication Scratch Pad areas within the SNAP PAC S series controller s memory map provide a way for other devices on the Ethernet network to access data in the controller For descriptions of the Scratch Pad areas bits integers floats and strings see the PAC Manager User s Guide For help in using PAC Control commands to access Scratch Pad areas see I O Unit Scratch Pad Commands in Chapter 10 of the PAC Control User s Guide If you are not using PAC Control but writing your own software applications to access the Scratch Pad areas see the OptoMMP Protocol Guide This guide is written for I O units but much of the same information on programming applies to SNAP PAC S series and other Ethernet based Opto 22 controllers The Scratch Pad areas of the memory map are described in the programming guide s appendix the SNAP PAC S series controller s Scratch Pad areas are identical to the SNAP Ultimate brain s What s Next Your controller is now ready for use e To create PAC Control strategies to run on t
52. sign IP address and subnet mask see the PAC Manager User s Guide ake sure you have up to date drivers installed on your computer s Network Interface Card NIC Contact your system administrator or the manufacturer of the card for help ake sure any firewall in the computer such as the built in firewall in Windows XP is temporarily disabled before you try to assign or change IP addresses load firmware using PAC anager s Maintenance window or work with files on the controller BootP and FTP cannot function through a firewall in the PC Firewalls in a router are less likely to be a problem unless certain ports such as FTP client have been blocked either by default or on purpose Pinging the Controller If you still cannot communicate with the controller after you have checked these items try to reach it using the PING application 1 Choose Start Run and type cma to open a command prompt 2 Atthe prompt type ping controller s IP address For example type ping 10 192 54 40 At this point be sure to check for other devices on the Ethernet network that may have the same IP address If the controller responds go to Maintaining the Controller on page 26 If the PING command cannot be found choose Start Control Panel Network Make sure TCP IP is configured as a protocol and that an IP address and subnet mask are assigned If you see the message Destination host route not defined the controller probably h
53. ting Multilink Dialing Type of Dial Up Server PPP Internet Windows 2000 NT Windows ME hd TCP IP Settings 21x m Advanced options es a Specify an IP address I Enable software compression address DE Boe min pi J Record a log file for this connection IP asthe CEE m Allowed network protocols Server assigned name server addresses J NetBEUI Specify name server addresses I IPX SPX Compatible Primary DNS On om Sono M TCP IP TCP IP Settings Secondary DNS oF TOE TOS BU Secondary WINS OF GUT eo B Cance Use IP header compression IV Use default gateway on remote network Cancel SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS Security Tab Scripting Tab J Step through script M SNAP PAC S Series User s Guide APPENDIX B PPP SUPPORT IN MICROSOFT WINDOWS Multilink Tab selected device Add Hemove Dialing Tab SNAP PAC S Series User s Guide CONFIGURING PPP SUPPORT IN MICROSOFT WINDOWS Setting Up a Remote Access Server on the PC Windows 2000 Advanced Server Use the following steps to set up a remote access server RAS on the PC so that the controller can dial in to the PC Be sure to work closely with your System Administrator NOTE Windows 2000 Professional does not support RAS you need to have Windows 2000 Advanced Server 1 In Win
54. ured using two DIP switches located on the top of the SNAP PAC S series controller ON Bias active 1 Bias Only one device on an RS 485 network OEF ERER should have bias turned on If there are no other oe ane devices with bias active you can set the SNAP j ermnaton ene PAC S series controller to do so OFF Termination inactive Termination Termination settings depend on the controller s location on the RS 485 DIP switches network Settings for different controller locations are shown in the table below ee mL Portion of top view 7 aa Termination Active KAZI y At the End JML Termination Inactive In the Middle floating Wiring the 10 pin Serial Connector Serial ports 1 and 2 share a 10 pin pluggable connector Phoenix Contact part number FK MC 0 5 2 5 supplied with the controller When inserting and removing wire leads into this connector do the following 1 Completely depress the small orange tab for the Hole appropriate opening with a small screwdriver 2 While holding the tab down with the screwdriver insert or remove the wire as needed 3 Release the orange tab Orange b SNAP PAC S Series User s Guide INSTALLING AND CONFIGURING THE CONTROLLER Assigning an IP Address See instructions in Opto 22 form 1704 the PAC Manager User s Guide to assign an IP address to the SNAP PAC S seri
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