SNAP PAC BRAINS USER'S GUIDE
Contents
1. SNMP network management 9 9 FTP server file system 9 9 Email SMTP client 9 9 Scratch Pad area for peer to peer data bits floats integers and strings Digital events Alarm events Serial events and Timed events 9 9 Event messaging 9 9 UDP Streaming 9 9 Data logging in the brain 9 9 Security IP filtering port access 9 9 Realtime clock RTC 9 9 point data mirroring and memory map copying 9 9 1 Four channel digital modules only not available on high density digital modules 2 Requires a SNAP quadrature input module SNAP IDC5Q 3 Available when used with PAC Control Professional and a SNAP PAC controller 4 Requires a SNAP analog TPO module SNAP AOD 29 5 Currently not available on analog modules with more than 4 points Feature Descriptions See the feature table on page 16 For additional information including configuration see the PAC Manager User s Guide States Digital input and output A digital point is either on or off You can read the current state of a digital input or write an on off state to a digital output 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 record of the change until you clear it Similarly an off latch is set when the value of a digital point changes from on to off and it remai2. 24 Getting Device and Firmware Information 00 0 ccc cece cece cece sent e ene 24 Communicating with the Ged cea Piaaneadevidadage tiagniadoadans 24 Pinging the o 25 Accessing the Brain with PAC Manager 200 00 cc cece 25 Solving Network Problems 27 Additional Troubleshooting Tools cake 28 Making Sure the Brain is in Normal 28 TOR SENOS 28 31 SNAP PAC Brains User s Guide 1 Introduction About SNAP PAC Brains SNAP PAC brains are powerful and versatile I O and communications processors for your SNAP PAC System Designed primarily to work in distributed systems controlled by a SNAP PAC S series or R series controller SNAP PAC brains provide local intelligence that frees the controller for supervisory tasks Two SNAP PAC brains are available the SNAP PAC EB1 and the SNAP PAC EB2 They are identical in their functions and features except that the SNAP PAC EB1 provides high speed digital functions and analog ramping The SNAP PAC EB2 does not offer high speed digital functions or analog ramping For a complete list of brain features see page 16 I O Pro
3. 3 4 Ethernet Errors Choose Start Programs Opto 22 gt PAC Project Software gt PAC Manager In the PAC Manager main window click the Inspect icon Ql In the IP Address field type the IP address of the brain Click Status Read Scroll down until you see the items Ethernet Errors Late Collisions Ethernet Errors Excessive Collisions and Ethernet Errors Others Inspect 1 0 Unit IP Address 10 192 50 31 Port 2001 Timeout 1000 Status Read Status Write Status Status Read area last read at 02 21 07 15 16 09 Status Read OxFFFF F030 0054 Comm Watchdog Time msec 0 a Point Contig Digital Bank Digital Point Analog Bank Analog Point High Density System gt Scratch Pad DataLog gt PID Events gt Communications gt Other OxFFFF F038 0054 OxFFFF F030 005C OxFFFF F030 0060 OxFFFF F030 010C OxFFFF F030 0058 OxFFFF F030 0064 OxFFFF F030 0068 OxFFFF F030 006C OxFFFF F030 0108 OxFFFF F030 0070 OxFFFF F030 0074 OxFFFF F030 0078 OxFFFF F030 007C OxFFFF F030 0115 OxFFFF F030 0148 OxFFFF F030 0100 OxFFFF FO30 0104 OxFFFF FO30 0120 OxFFFF FO30 0128 Scanner Flags Digital Scan Counter Analog Scan Counter Milliseconds Since Powerup TCP Minimum RTO msec TCP Initial RTO TCP Retransmits TCP Idle Session Timeout msec TCP Idle Session Timeout Count Ethernet Errors Late Collisions 0x0000 1280823 1589870 2589031 250 3000
4. 6 In the Operation Commands list highlight Store configuration to flash Click Send Command 7 Inthe Operation Commands list highlight Restart brain from powerup Click Send Command The new TCP parameters are set SNAP PAC Brains User s Guide Index A accessing brain over the Internet 10 ACT LED 15 analog point average filter weight 18 clamping 18 gain 18 maximum value 18 minimum value 18 offset 18 PID loop control 18 ramping 18 scaling 18 TPO 18 watchdog 18 average filter weight 18 B blink codes 23 brain comparing features 16 FTP 19 installing 8 Scratch Pad 19 calibrating analog point 18 clamping analog output point 18 communicating with brain 9 pinging the brain 25 problems with 24 simultaneously 10 communication choosing methods 11 comparing brain feautures 16 computer connecting directly to brain 13 connecting to brain troubleshooting 24 counter description 17 D data logging 19 data mirroring 19 default settings restoring 22 digital point counter 17 latching 17 quadrature counter 17 state 17 TPO 18 watchdog 18 direct connection 13 distributed system 12 E email 19 enterprise management system 19 Ethernet network accessing brain over the Internet 10 attaching brain to existing network 14 certification 28 errors 27 independent control network 14 SNAP PAC Brains User s Guide interfaces 15 troubleshooting
5. Simple restart Press and hold the RESET button The brain restarts for less than 1 sec until the STAT Any files in RAM are erased If files LED turns off and then immedi have been stored to flash memory ately release the button they will not be erased OR Turn off power to the brain and then turn it on again OR Use PAC Manager to send the brain the Restart from Powerup command ref r faul e The brain restarts dar Press and hold the RESET bution Files in RAM and flash memor 9 for 1 or 2 seconds until the STAT y are erased LED turns solid green and then i immediately release the button address is reset to 0 0 0 0 and subnet mask to 255 255 255 0 CAUTION Ifyou hold down the RESET button longer than the time needed to restore the default settings the brain will restart in fail safe bootloader mode which is indicated by the STAT LED blinking green 7 times quickly 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 Loading New Firmware Each SNAP PAC brain contains firmware sometimes referred to as the kernel 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 firmwar
6. 5 240000 0 0 Ethernet Errors Excessive Collisions 0 Ethernet Errors Others Smart Modules Present analog serial etc PID Loops Supported Digital Modules Supported Arcnet Reconfigs Detected 36 0x0000 96 16 3085 Arcnet Reconfigs Initiated by I 0 Unit 3085 Arcnet Transmit Attempts Since Powerup 16 Arcnet ACKs 0 Close Help 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 SNAP PAC Brains User s Guide TROUBLESHOOTING THE SNAP PAC BRAIN Analyze Communication Packets If it appears that you have network problems you can use a utility program such as WireShark www wireshark org to log and analyze network communication packets Have Your Network Certified tf 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 SNAP PAC brain after your network is certified contact Opto 22 Product Support See page 4 Additional Troubleshooting Tools Making Sure the Brain is in Normal Mode If you are having trouble communicating with the brain it might be in fail safe bootloader mode This is a diag
7. 6 slow RAM error Contact Product Support 7 slow Ethernet switch failure Contact Product Support Ethernet loopback test fail Make sure an Ethernet cable is connecting the two 11 slow network interfaces If the error is repeated contact ure Product Support 13 slow Real time clock failure Contact Product Support 16 slow Serial flash failure Contact Product Support 20 slow Digital failure Contact Product Support 21 slow Bus failure Contact Product Support SNAP PAC Brains User s Guide TROUBLESHOOTING THE SNAP PAC BRAIN Troubleshooting the SNAP PAC Brain If you encounter a problem while installing or using the SNAP PAC brain check the information in this section If you need to contact Opto 22 Product Support see For Help on page 4 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 gt PAC Manager 2 In the PAC Manager main window click the Inspect button Ql 3 Inthe IP Address field type the IP address of the device Click Status Read 3 Inspect 1 0 Unit IP Address 10 192 50 31 Status Write Point Config Digital Bank Digital Point Analog Bank Analog Point High Density System gt Scratch Pad DataLog PID gt Events Communications gt Other Status Read OxFFFF F
8. annerri 10 Choosing Communication Methods c casscdecceereacreegevaderspereadrsanevagaaaes 11 EACE CU are mrad 12 SNAP PAC Brains User s Guide ania 3 Connecting the Brain Directly to a PC or Controller ccc cece cece e cece eee 3 Attaching the Brain to an Existing Ethernet Network 0 ees 4 Using the Brain in an Independent Network 0 000 c cece eee ee cece eee 4 5 E EEEE E EEEn 5 LEDs and Network Interfaces 5 SNAP PAG Brain Comparison Charte teenet edu reie eaga EE Ea 6 Feature O EEEE 7 Chapter 4 Maintenance and Troubleshooting cseeeeeeeeeee 21 E E 21 Maintaining reie aen 21 Backup Oe este e tence tata cathe 21 Changingthe Brain s geseis 22 Resetting the Brain 22 a na a 22 ri E TE A a 23 23 Troubleshooting
9. 27 event 19 event messages 19 F failsafe bootloader mode 22 28 features comparison of brain models 16 descriptions of 17 file system on brain 19 firmware loading 22 FTP 19 G gain definition 18 generating pulse 18 square wave 18 H hardware getting data about 24 help blink codes 23 LED descriptions 15 network problems 27 Product Support 4 high density digital counter 17 I O modules installing 6 removing 7 I 0 point features 17 installing brain on rack 8 0 modules 6 mounting rack 6 quick start 5 Internet accessing brain over 10 IP filtering 19 SNAP PAC Brains User s Guide L latch definition 17 LEDs blink codes 23 description 15 red 25 LNK LED 15 loop control on analog point 18 M maximum value 18 measuring pulses 18 memory map copying 19 minimum value 18 Modbus TCP 3 9 mounting rack installing 6 N network architecture 13 attaching brain to existing network 14 certification 28 Ethernet errors 27 independent 14 interfaces 15 troubleshooting 27 offlatch 17 off pulse measurement 18 offset definition 18 on latch 17 on pulse measurement 18 OPC 3 9 Opto 22 Product Support 4 OptoDataLink 3 10 OptoMMP 3 10 OptoOPCServer 9 PAC Control 3 9 PAC Manager 3 9 peak 18 square wave generation 18 PID loop control 18 STAT LED 15 ping 25 state of digital point 17 port access lim
10. 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 Hours are Monday through Friday phone calls to Opto 22 7 a m to 5 p m Pacific Time Product Support are grouped together and Fax 951 695 3017 answered in the order Email support opto22 com peeve Opto 22 website www opto22 com When calling for technical support be prepared to provide the following information about your system to the Product Support engineer Software and version being used Brain and controller firmware version as applicable PC configuration type of processor speed memory and operating system A complete description of your hardware and operating systems including loader and firmware versions for the brain and date code available through PAC Manager see page 24 P addresses and net masks for devices on the system type of power supply third party devices installed for example barcode readers Specific error messages seen 4 SNAP PAC Brains User s Guide 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 Specifications are listed on page 15 What You Will Need You ll need the following items to install a SNAP PAC
11. gets a response but the link isn t idle while waiting for responses In addition IP can simultaneously handle multiple requests from multiple devices A PC can communicate with all SNAP PAC brains and controllers on the same network all at the same time and multiple PCs can communicate with one SNAP PAC device at the same time So for example a SNAP PAC brain can respond to directions from a Modbus master give analog point data to a technician using PAC Manager and carry out instructions from a custom C application all at once Accessing SNAP PAC Brains Over the Internet Since SNAP PAC brains are just like any other hardware on the Ethernet network you can access them over the Internet in exactly the same way you would access a computer The details depend on your network and Internet connection Consult your system or network administrator or your Internet Service Provider ISP for more information 10 SNAP PAC Brains User s Guide CHAPTER 3 SYSTEM ARCHITECTURE Choosing Communication Methods How do you need to communicate with SNAP PAC brains to match the tasks your application requires Check the following table for help in choosing communication methods and finding out where to look for more information on them Configure units PAC Control I O points only or PAC Manager I O points and other functions OptoMMP Commu nication Toolkit or OptoMMP protocol If you are using PAC Control config
12. testing applications The direct connection eliminates other variables that could interfere with communication so you can focus on maintenance and troubleshooting NOTE Ifyou use a multi drop configuration for your SNAP PAC brains be aware that ifa brain loses power communication to all brains beyond it on the daisy chain will also be lost Attaching the Brain to an Existing Ethernet Network The first rule in attaching SNAP PAC brains to an existing network is to work closely with your system administrator who must determine network topology and hardware Be sure to consider the impact on your existing network of adding the brains For best performance use a 100 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 the network For more information on IP addresses see the PAC Manager User s Guide If you need to isolate the control system data from the main network backbone you can use a router network switch or other gateway device You can also use a SNAP PAC S series 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 For more information see the SNAP PAC S Series data sheet form 1584 Using the Brain in an Independent Network The third way SNAP PAC brains can b
13. 030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 OxFFFF F030 Port 2001 0004 0008 0018 0000 oo1c o0a0 0080 0020 0080 0024 0025 0026 0028 002E 0034 0038 003C 0040 0048 004c Timeout 1000 ms Status Status Read area last read at 02 21 07 15 05 09 DESCRIPTION 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 O Unit Hardware Revision Day I O Unit Hardware Revision Year Installed Ram MAC Address TCP IP Address TCP IP Subnet Mask TCP IP Default Gateway TCP IP Name Server Always BootP DHCP On Powerup Degrees F C 3 PUC Received 0 i 1 08 1 B8 0a 02 21 2007 14 08 12 0x00000076 SNAP PAC EB1 1 30 2007 16777216 00 A0 3D 00 F6 24 10 192 50 31 255 255 192 0 0 0 0 0 0 0 0 0 Off 0 c 0 Keep this window open on your screen when you call Product Support Communicating with the Brain If you attempt to connect to the brain using its IP address and you cannot first check the following e Make sure the brain has been turned on and the LNK and STAT LEDs for the connected Ethernet interfaces are lit see LEDs and Network Interfaces on page 15 e Make sure the brain s hold down screw has been tighten
14. 192 255 5 255 255 192 0 Clear PID configuration Clear datalog Close Help CAUTION Note the following recommended settings TCP Minimum Retransmission Timeout msec 250 TCP Initial Retransmission Timeout msec 3000 TCP Retransmission Attempts s TCP Idle Session Timeout msec 240 000 Ifyou 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 22 Change these four fields as necessary Minimum RTO sets an absolute minimum value for the RTO The device s calculated RTO will never go below this value Initial RTO 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 Retransmits sets the number of times the device 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 device allows a session to remain open without any activity After this time the device checks the session to make sure it is still good and closes it if it is not The default is 240 000 milliseconds or four minutes SNAP PAC Brains User s Guide TROUBLESHOOTING THE SNAP PAC BRAIN 5 Click the Apply button to write your changes to the brain
15. Brains User s Guide SNAP PAC BRAIN COMPARISON CHART SNAP PAC Brains User s Guide 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 22 Resetting the Brain page 22 Loading New Firmware page 22 Setting Time and Date page 23 Blink Codes page 23 Troubleshooting Getting Device and Firmware Information page 24 Communicating with the Brain page 24 Additional Troubleshooting Tools page 28 Maintaining the SNAP PAC Brain Backup Battery The real time clock on the SNAP PAC brain uses a CR2032 lithium backup battery which is user replaceable These batteries are readily available in retail stores SNAP PAC Brains User s Guide MAINTAINING THE SNAP PAC BRAIN Changing the Brain s IP Address If you know the SNAP PAC brain s IP address see the PAC Manager User s Guide for instructions to change it If you do not know the IP address first check the label on the side of the brain If you still don t know the brain s IP address follow the steps in the next section to restore the brain to factory default settings and then assign an IP address as described in the PAC Manager User s Guide Resetting the Brain 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
16. NANCE AND TROUBLESHOOTING 53 Inspect 1 0 Unit v Port 2001 Timeout 1000 ms Status Status Write area last read at 10 11 06 12 26 56 IP Address 10 192 55 67 r Status Write Status Read Status Write Point Config Digital Bank Digital Point Analog Bank Analog Point High Density System Scratch Pad DataLog PID Events gt Communications gt Other Address Description OxFFFF F038 0004 OxFFFF F038 0008 OxFFFF F038 0010 OxFFFF F038 0014 OxFFFF F038 0018 OxFFFF F038 001C OxFFFF F038 0020 OxFFFF F038 004C OxFFFF F038 0050 OxFFFF F038 0054 OxFFFF F050 OxFFFF F058 Always BootP DHCP On Powerup Degrees F C Comm Watchdog Time msec 0 Disable TCP Minimum Retransmission Timeout msec TCP Initial Retransmission Timeout msec TCP Retransmission Attempts TCP Idle Session Timeout msec 0 Disable Max Digital Scantime msec Max Analog Scantime msec Scanner Flags Secondary IP Address Secondary Subnet Mask Send powerup clear Operation Commands Send Command Reset to defaults and Restart 1 0 Unit Store configuration to flash Erase configuration from flash Restart 1 0 Unit from powerup Switch to loader mode Clear digital event configuration Clear alarm configuration Clear PPP configuration Clear e mail configuration Clear timer configuration No Apply Degrees C 0 250 3000 5 240000 1000 1000 Ox 00000000 10
17. P AOD 29 module On pulse and off pulse measure ment Digital input requires SNAP PAC EB1 PAC Project Pro and a SNAP PAC control ler A pulse is a brief on or off state usually repeated at a specific interval The brain can measure the first pulse that is the amount of time the input stays on or stays off Pulse and square wave generation Digital output requires SNAP PAC EB1 PAC Project Pro and a SNAP PAC control ler A pulse turns a digital output on or off briefly either once or for a specified num ber of times at a specified interval A digital square wave is a specific pattern of on and off states repeated continuously Digital and analog input and output A watchdog monitors communication with the PC or other host device If the host does not write data to the I O unit for the length of time set in the watchdog the I O unit automatically sets designated digital and analog output Watchdog points to the values you have determined If communication fails between the host and the brain controlling a process a watchdog makes sure the process is automatically brought to a safe state For example a valve could automatically close to avoid completely emptying a tank Scaling Analog input and output Analog input and output points can be scaled as needed For example you can scale a 5 V to 5 V input point to reflect 0 to 100 Minimum and maximum values Analog input Minimum and maxi
18. P PAC BRAIN COMPARISON CHART SNAP PAC Brain Comparison Chart For descriptions of features see page 17 The following table compares SNAP PAC brains with firmware 8 0 SNAP PAC Brains User s Guide Digital 4 32 channels 9 9 Analog 2 32 channels 9 9 modules supported Serial RS 232 RS 485 9 9 Special purpose motion control power moni toring Profibus Wiegand On off status 9 9 Input latching 9 9 Watchdog timer 9 9 High speed counting up to 20 kHz 9 Digital I O point features Quadrature counting On pulse and off pulse measurement 9 TPO time proportional output 9 Pulse generation N pulses continuous square 9 wave on pulse and off pulse Thermocouple linearization 32 bit floating point for linearized values Minimum maximum values 9 9 Offset and gain 9 9 Scaling 9 9 Analog point features Time proportional output 9 9 Output clamping 9 9 Filter weight 9 9 Watchdog timer 9 9 Ramping 9 Ethernet networking 9 9 Two switched Ethernet network interfaces one IP address 9 9 Maximum number of modules allowed per I O unit with largest rack e e Any mix of 16 digital 16 analog 8 serial or special purpose PID logic on the brain 96 PID loops per brain 9 9 Modbus TCP 9 9 OPC driver support 9 9 OptoMMP memory mapped protocol 9 9 CHAPTER 3 SYSTEM ARCHITECTURE
19. SNAP PAC BRAINS USER S GUIDE SNAP PAC EB1 SNAP PAC EB2 Form 1690 070223 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 Brains User s Guide Form 1690 070223 February 2007 Copyright 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 product
20. against the module to open the release latch and pull straight up on the module to remove it Continue with Installing the Brain on page 8 RETENTION BAR MODULE RETAINING SCREW HOLE MODULE RELEASE LATCH RETAINING SCREW HOLE UNDER MODULE RELEASE LATCH SNAP PAC Brains User s Guide WHAT S NEXT Installing the Brain Remove the brain from its packaging Turn off power to the rack assembly Align the brain connector with the mating connector on the mounting rack A WNN a Seat the brain onto the connector and use the hold down screw to secure the brain in position Do not overtighten 5 Using Category 5 or superior solid unshielded twisted pair cable connect the brain in one of the following ways Recommended for initial configuration Connect to a PC directly using a standard Ethernet cable Connect to a standard 10BASE I or 1OOBASE TX Ethernet network that has a PC on the same subnet as the brain 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 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 This guide is in Adobe Acrobat PDF format on the CD that came with the brain and is also available from our website www opto22 com What s Next To start configuring O points see instr
21. brain PC running Microsoft Windows 2000 or higher with a 10 100 MB Ethernet adapter card the TCP IP protocol installed and a valid IP address on the same subnet as the brain For more information see Networking on page 13 Standard Ethernet 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 16 for a chart comparing models SNAP PAC mounting rack and SNAP I O modules chosen for your application A SNAP PS5 or SNAP PS5U power supply or other 5 VDC power supply 0 0 1 VDC at 4 0 A applied to the rack Additional power may be required for SNAP I O modules depending on the number and type of modules used See the module data sheets on our website www opto22 com for information Installing Software In your CD ROM drive insert the CD that came with the brain 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 Follow directions to install the software SNAP PAC Brains User s Guide 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 Check module
22. cessing As an I O processor the SNAP PAC brain provides the local intelligence to independently handle functions such as latching counting thermocouple linearization 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 with up to 4 8 12 or 16 SNAP I O modules Each module provides from 1 to 32 I O points depending on the module SNAP PAC brains support all the SNAP 1 0 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 For more information on mounting racks see Opto 22 form 1684 the SNAP PAC Racks Data Sheet For more information on I O modules visit our website at www opto22 com Communications In addition to I O processing SNAP PAC brains communicate over a standard 10 100 Mbps Ethernet network Each SNAP PAC brain is equipped with two switched Ethernet network interfaces Because these interfaces share a single IP address and act just like an Ethernet switch SNAP PAC brains can be SNAP PAC Brains User s Guide ABOUT SNAP PAC BRAINS installed in a multi drop daisy chain configuration extending the control network without the expense of additional Ethernet network har
23. channel digital modules on or off same or different brain Map Copying e Copying data from one memory map location to another same or different brain e Logging data e Turning a bit in the Scratch Pad on or off e Sending a stream packet an email message or an SMNP trap e 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 You can limit access to SNAP PAC brains either by allowing access only from specific Security computers or other devices on the network IP filtering or by limiting access to specific protocols such as SNMP that are used with the brain port access Scratch Pad Areas The Scratch Pad is used primarily for peer to peer communication with other SNAP PAC brains and controllers on the network See the PAC Control User s Guide The Simple Network Management Protocol SNMP is used to communicate with an SNMP based enterprise management system such as Computer Associates SNMP Unicenter Hewlett Packard s OpenView or IBM s Tivoli These systems can manage analog digital or serial devices through a SNAP PAC brain just as they manage com puter equipment on the Ethernet network SNAP PAC brains have a substantial area available for file storage and data can be FTP Server easily moved to and from these files using FTP For more information on the file system see the PAC Manager User s Guide SNAP PAC
24. col makes it possible to monitor devices attached to SNAP PAC brains just as you would any computer or server on the Ethernet network using an SNMP based enterprise management system such as Computer Associates Unicenter Hewlett Packard s OpenView or IBM s Tivoli When a monitored event occurs such as a door left open or a pressure level too high the brain sends an SNMP trap to the management system e FTP File Transfer Protocol can be used to transfer files and data to and from the SNAP PAC brain whether to custom applications enterprise databases or any file system e Custom software applications are easy to develop using our OptoMMP Communication Toolkit with ActiveX components and C classes They use the OptoMMP protocol an IEEE 1394 based protocol to read and write to SNAP PAC brains For developers not using Microsoft 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 simultaneously using all of these methods The reason lies in the nature of IP In serial communication a single data request is sent by one device to another The first device must wait for a response before any additional communication can be carried out IP however can establish multiple simultaneous sessions so many data requests can be sent at once without waiting for any individual response Each request
25. data sheets for power requirements and any quantity limitations 1 Place the rack so that the module connector numbers are right side up with zero on the left Module Module connectors position zero Retention bar Brain connector 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 module correctly aligned over the connector push on the module to snap it into place When positioning modules next to each other be sure to align the male and female module keys shown in the detailed view in the illustration at right before snapping a module into position Modules snap securely into place and require a special tool provided to remove them To remove a module see page 7 6 SNAP PAC Brains User s Guide 4 CHAPTER 2 INSTALLING A SNAP PAC BRAIN 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 Plug the wiring connector into 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 Holding the SNAP module tool provided as shown in the illustration at right insert it into the notch at the base of the module Squeeze the module tool
26. dware SNAP PAC brains can also be installed in a star configuration using standard off the shelf Ethernet network components SNAP PAC brains support communication using multiple protocols running simultaneously over Ethernet Most customers use the PAC Project software suite for control monitoring and data acquisition At the same time you can communicate using other methods PAC Project Software Suite SNAP PAC brains are primarily designed for use with a SNAP PAC programmable automation controller The controller runs a control program called a strategy which you develop using PAC Project software The PAC Project software suite comes in two forms Basic and Professional e PAC Project Basic which is included in the purchase of a SNAP PAC controller consists of control programming human machine interface HMI creation and configuration software PAC Project Professional is available for purchase and adds 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 website www opto22 com Other Communication Methods In addition to using a SNAP PAC controller with PAC Project software you can communicate with 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 Op
27. e to the brain following instructions in the PAC Manager User s Guide SNAP PAC Brains User s Guide 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 on page 15 for the location of the STAT LED The blink codes can be useful during operation and in troubleshooting If the STAT LED is on and remains green the brain has an IP address and is operating normally If the STAT LED blinks orange about four times a second the device is attempting to obtain an IP address by sending BootP requests If the STAT LED blinks green when the brain starts up it indicates the following 2 fast Normal the brain s firmware is starting up 5 fast Default settings have been successfully restored Entering fail safe bootloader mode See Resetting the 7 fast A Brain on page 22 for more information If the STAT LED is blinking red it indicates the following 4 slow valid MAG addres or 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
28. e used is by developing an independent network An independent network gives a high level of communication speed and volume as well as high security You may also need a separate network for critical control applications Again the choice depends on your requirements for data transactions data security and whether a near deterministic system is necessary If you are building your own network remember that each brain must have a fixed IP address See the PAC Manager User s Guide for more information on IP addresses Ifyou have no existing Ethernet network you can use off the shelf Ethernet components to build one Because the SNAP PAC brain has a built in Ethernet switch you can daisy chain brains together in a multi drop configuration Or you can purchase standard Ethernet switches to install brains in a star configuration If you use a multi drop configuration for your SNAP PAC brains remember that ifa brain loses power communication to all brains beyond it on the daisy chain will also be lost 14 SNAP PAC Brains User s Guide CHAPTER 3 SYSTEM ARCHITECTURE Since Ethernet and TCP IP are worldwide standards there are a number of commercially 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 Specifications Specifications P
29. ed so that it is firmly attached to the rack Do not overtighten SNAP PAC Brains User s Guide CHAPTER 4 MAINTENANCE AND TROUBLESHOOTING e Verify that you typed in the correct address for the brain Check the label on the side of the brain where the IP address should be written e Make sure the brain has been assigned a valid IP address and subnet mask SNAP PAC brains 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 assign an IP address and subnet mask see the PAC Manager User s Guide Make sure that no red LEDs on the brain are lit A red LED could indicate a voltage supply problem Each brain should have its own power supply The brain needs a minimum of 5 0 VDC measured at the rack e Make 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 e Make sure you have Administrator privileges on your computer and that 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 Manager s Maintenance 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 communicate with the brain afte
30. ee the PAC Manager User s Guide For Communication Toolkit or OptoMMP see OptoMMP Protocol Guide Write your own software application to communicate with the system C or Active X OptoMMP Communi cation Toolkit and brain s memory map Opto 22 s OptoMMP protocol and brain s memory map See OptoMMP Protocol Guide SNAP PAC Brains User s Guide SYSTEM ARCHITECTURE System Architecture SNAP PAC brains can be used in two ways e For distributed intelligence in a larger control system based on a SNAP PAC controller running PAC Control e Asan independent I O processor 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 The following diagrams illustrate these two uses SNAP PAC Brains as Part of a Distributed SNAP PAC System PAC Control SNAP PAC controller running a PAC Control strategy iL iu iD iL TF SNAP PAC 19 brains 19 PAC Display SNAP PAC Brains User s Guide CHAPTER 3 SYSTEM ARCHITECTURE SNAP PAC Brain as an Independent I O Processor Custom application using Activex or C OptoMMP protocol Modbus TCP Any OPC client software through OptoOPCServer Third party HMI Wonderware Intellution Q Ethernet network Ic
31. emark of Telefonaktiebolaget LM Ericsson All other brand or product names are trademarks or registered trademarks of their respective companies or organizations SNAP PAC Brains User s Guide Table of Contents Chapter Introduction sisisisicisiceisiecsiti titt dtr EE a TETIT EERENS 1 About SNAP PAC Brains secre eote 1 RUN ena eee SoftWare SUTE 2 Other Communication 2 3 Other Documents You May Need 3 4 Chapter 2 Installing a SNAP PAC Brain 5 5 stalling SOT WANE AEE 5 Installing Hardware 6 Installing Modules on the 6 Removing AMOUS sessa veere verniou ta raet EEEE EE SEEE E E E 7 stalling the Brain ihe g 2 E EO EE 8 Vet S NE erme aa a a a a 8 Chapter 3 System Architecture ssssesesssssssosssossssoscesesee 9 Communication T E 9 Simultaneous Communication nies chy 10 Accessing SNAP PAC Brains Over the Internet
32. evices attached to analog outputs should not be abruptly stepped up or down because a sudden change might damage the equipment or cause other prob lems Instead you can gradually ramp the device up or down to the desired value PID loop control Analog points Proportional integral derivative PID loops are used to drive an input toward a particular value the setpoint and keep the input very close to that value by controlling an output PID loops are often used in temperature control Average filter weight Analog inputs A filter weight smooths analog input signals that are erratic or change suddenly See the PAC Manager User s Guide for more details SNAP PAC Brains User s Guide CHAPTER 3 SYSTEM ARCHITECTURE Events Timers Event Messages Email Data Log ging Data Mirror ing and Memory You can configure a SNAP PAC brain to recognize one or a combination of the following as an event e The state of a point on a 4 channel digital module on or off e A specific high or low value of an analog point in Engineering Units e Anumber on a digital counter or a high or low number on a quadrature counter e analog point value or a quadrature counter that is outside an allowable range e The state of a bit in the Scratch Pad on or off e A specific string received by a serial module The brain can react automatically to an event in any or all of the following ways e Turning points on 4
33. eway TCP IP Name Server Always BootP DHCP On Powerup Degrees F C PUC Received 0 0 Rl 0a ik 8 08 02 21 2007 14 08 12 0x00000076 SNAP PAC EB1 1 30 2007 16777216 00 A0 3D 00 F6 2a 10 192 50 31 255 255 192 0 0 0 0 0 0 0 0 0 If information does not appear contact Product Support See page 4 SNAP PAC Brains User s Guide 1 If PAC Manager is not already open choose Start Programs Opto 22 4PAC Project PAC Date and time data was last read Click to update data CHAPTER 4 MAINTENANCE AND TROUBLESHOOTING 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 Create a Network Diagram First create a network diagram and verify the following Cable connectors are firmly inserted The Ethernet network switch has power Switch LEDs indicate that the connection is up If SNAP PAC brains are daisy chained LNK LEDs for both of their Ethernet interfaces are lit Neither the PC nor the brain uses the switch s uplink port The brain s LNK LED s are lit Check Ethernet Errors Next use PAC Manager to check Ethernet errors reported by the brain These errors indicate network problems You will need to know the brain s IP address 1 2
34. iting 19 status conditions blink codes 23 Product Support 4 system architecture 13 pulse generation 18 T measurement 18 TCP IP multiple sessions 10 Q settings 28 quadrature counter 17 Stack 28 quick start 5 echnical support 4 hermocouple linearization definition 18 R imed event 19 imeout 28 rack for 1 0 modules installing 6 ime proportional output 18 ramping analog output point 18 TPO 18 removing 0 modules 7 roubleshooting RESET button 22 28 blink codes 23 restoring default settings 22 LED descriptions 15 retransmit timeout RTO 28 network 27 Product Support 4 S scaling description 18 Scratch Pad areas 19 valley 18 security 19 SNAP PAC System illustration 12 features 16 Ww SNAP PAC EB2 features 16 watchdog definition 18 SNMP 19 SNAP PAC Brains User s Guide SNAP PAC Brains User s Guide
35. mum values are 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 the maximum temperature at point 2 in each 24 hour period you must reset the values after they are read each day Thermocouple lin earization Analog input The brain automatically converts the thermocouple junction s millivolt values into temperature values so you don t have to Choose the appropriate module and make sure you configure the point as the correct thermocouple type E K etc for your purpose Offset and gain Analog input Offset and gain calculations are used to calibrate analog points If a 50 mV to 50 mV input receives signals that are slightly off not exactly 50 mV at the low est point for example the offset and gain can be calculated so that values will appear accurately when read Analog output Clamping limits values that can be sent to analog output points so they do not go above or below a specific value For example if you are using a 0 10 Clamping VDC output module but the device attached to one of its points can only handle a max imum of 5 VDC you can set an upper clamp of 5 VDC for that point The values for upper and lower clamp are set in engineering units Analog output requires SNAP PAC EB1 PAC Project Pro and a SNAP PAC control Ramping ler Some d
36. nostic mode that you don t need to access unless you are troubleshooting a problem with 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 This action performs a simple restart and allows you to communicate with the brain For more information on using the RESET button see Resetting the Brain on page 22 TCP Settings Retransmit timeout RTO refers to the length of time the brain waits while communicating before timing out The RTO is determined by the brain 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 Ifthe 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 brain stops trying and sends a timeout message 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 gt PAC Manager 2 In the PAC Manager main window click the Inspect icon Ql 3 Inthe IP Address field type the IP address of the brain Click Status Write SNAP PAC Brains User s Guide CHAPTER 4 MAINTE
37. ns set until cleared Counters Digital input A counter keeps track of the number of times a digital input changes from off to on The count accumulates until it reaches the maximum count available in the brain or until you reset the counter to zero For example to count the number of wid gets produced per shift you would clear the counter at the start of each shift and read it 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 Quadrature counters Digital input A quadrature counter requires a SNAP quadrature input module which is attached to the encoder device The module sends a pulse to the brain upon each change in quadrature state and the brain counts the pulses and keeps track of the direction and rotation SNAP PAC Brains User s Guide SNAP PAC BRAIN COMPARISON CHART Time proportional output TPO Time proportional output varies the duty cycle and the percentage of on time within that cycle TPO is often combined with a PID loop and used to control the output for exam ple in a heater or oven Digital output Supported by SNAP PAC EB1 only requires PAC Project Pro and a SNAP PAC controller Analog output Both SNAP PAC brains support analog TPO using a SNA
38. onics Modbus TCP hardware and software Networking From a physical standpoint SNAP PAC brains can be networked in several ways e Connected directly to a PC or controller using a standard Ethernet cable e Attached to an existing TCP IP Ethernet network e As part of an independent network built with standard Ethernet hardware The networking method you use depends on several things including whether you need control or data acquisition the number of PCs and I O units you are using the speed and volume of communication security requirements and the availability of an Ethernet network Connecting the Brain Directly to a PC or Controller A direct connection using a standard Ethernet cable connects the SNAP PAC brain with one host either a PC or a controller A crossover cable is not required for direct connection to a host SNAP PAC Brains User s Guide NETWORKING Additional SNAP PAC brains can be daisy chained multi dropped from the first brain using the brain s second Ethernet network interface which acts as a network switch If you need only a small control or monitoring network and have no existing Ethernet network a direct connection is ideal It s quick easy and inexpensive because it requires only cables no separate Ethernet switches or routers It also provides high speed and high security for a small system A direct connection is also useful for assigning an IP address configuring points and
39. ower Requirements Memory Backup battery Network Interfaces 5 0 5 2 VDC at 750 mA maximum does not include module power requirements 16 MB RAM 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 Ethernet crossover cable not required for direct connection to PC Two switched ports allowing multi drop daisy chain or standard star network configuration 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 70 C Storage Temperature 40 to 85 C Humidity 0 95 humidity non condensing LEDs and Network Interfaces Switched Ethernet network interfaces Brains can be networked in a multi drop daisy chain configuration or in a standard star configuration using either Ethernet interface Both interfaces use the same IP address OTE When using a multi drop configuration be aware that if power to brain is lost all brains beyond it on the etwork will also lose communication E zZ Link established with E N O ENS Ethernet network N lt c Activit Eth t 8 a ACT ctivity on Etherne 5 network Pata Z STAT Brain status 8 NS for future 5 Unnamed SNAP PAC Brains User s Guide SNA
40. r you have checked these items try to reach it using the PING protocol 1 Choose Start Programs Accessories and open a command prompt window 2 Atthe prompt type ping brain s IP address For example type ping 10 192 54 40 If the brain responds go to Accessing the Brain with PAC Manager on page 25 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 brain probably has an inappropriate IP address and subnet mask Make sure the IP address and subnet mask on the brain are compatible with those on the computer Follow the directions beginning on page 22 to check the IP address and subnet mask on the brain and change them if necessary If you see the message No response from host check the following e Are the computer and brain correctly connected Is the brain turned on e Are the IP address and subnet mask on the brain compatible with those on the computer e s the brain in reset mode Check for a blinking STAT LED STAT blink codes are shown on page 23 If you still cannot ping the brain contact Opto 22 Product Support See page 4 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 SNAP PAC Brains User
41. s Guide TROUBLESHOOTING THE SNAP PAC BRAIN Manager The PAC Manager main window opens PAC Manager File Tools View Help ojaa xoja BJ E Click Status Read Information from the brain is displayed in the window 53 Inspect 1 0 Unit IP Address 10 192 50 31 v Port 251 Timeout 1000 2 In the PAC Manager main window click the Inspect button Ql 3 Inthe IP Address field type the IP address of the brain or choose it from the drop down list ms Status Status Read area last read at 02 21 07 15 05 09 Status Write aa Sana High Density System Scratch Pad gt DataLog PID gt Events gt Communications gt Other r Status Read OxFFFF F030 0004 OxFFFF F030 0008 OxFFFF F030 0018 OxFFFF F030 0000 OxFFFF F030 001C OxFFFF F030 00A0 OxFFFF F030 0080 OxFFFF F030 0020 OxFFFF F030 0080 OxFFFF F030 0024 OxFFFF F030 0025 OxFFFF F030 0026 OxFFFF F030 0028 OxFFFF F030 002E OxFFFF F030 0034 OxFFFF F030 0038 OxFFFF F030 003C OxFFFF F030 0040 OxFFFF F030 0048 OxFFFF F030 004C DESCRIPTION Powerup Clear Flag PUC Needed Busy Flag Loader Version Memory Map Version Firmware Version Firmware Version Date Firmware Version Time Unit Type Unit Description 1 0 Unit Hardware Revision Month 1 0 Unit Hardware Revision Day I 0 Unit Hardware Revision Year Installed Ram MAC Address TCP IP Address TCP IP Subnet Mask TCP IP Default Gat
42. s include 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 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 trad
43. sport layer many communication options are possible in the application layer After the I O unit is installed and has an IP address assigned see page 8 you can communicate with it using the following methods e PAC Control strategies running on a SNAP PAC controller can configure read and write to I O points on SNAP PAC brains e PAC Manager software in addition to its use for assigning IP addresses can also be used to configure I O points and features and perform onetime reads and writes Modbus TCP provides a direct connection with Modbus TCP hardware or software or third party software applications which can read or write to I O points on SNAP PAC brains OPC OLE for Process Control uses OptoOPCServer to serve data to any OPC 2 0 compliant application such as an HMI which can also read or write to I O points OptoOPCServer can be purchased separately or as part of the PAC Project Professional software suite SNAP PAC Brains User s Guide 9 COMMUNICATION OPTIONS e OptoDataLink exchanges 0 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 e 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 e SNMP Simple Network Management Proto
44. to get SNAP PAC brains up and running quickly Chapter 3 System Architecture conceptual information on networking and communicating with SNAP PAC brains and brain specifications Chapter 4 Maintenance and Troubleshooting changing IP addresses resetting the brain 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 are available on the Opto 22 website www opto22 com some are included on the CD that came with the SNAP PAC brain Assigning IP address loading new firmware etc PAC Manager User s Guide 1704 PAC Control User s Guide 1700 Designing flowchart based control programs for the system requires a SNAP PAC S series or PAC Control Command Reference 1701 R series industrial controller PAC Control Commands Quick Reference Card 1703 Communicating with SNAP PAC brains using OPC OptoOPCServer User s Guide 1439 Connecting the SNAP PAC System with databases OptoDataLink User s Guide 1705 Communicating with SNAP PAC brains using Mod bus TCP Modbus TCP Protocol Guide 1678 Programming your own applications for SNAP PAC brains using the OptoMMP Communication Toolkit OptoMMP Protocol Guide 1465 or the OptoMMP memory mapped protocol SNAP PAC Brains User s Guide FOR HELP For Help If you have problems installing or using SNAP
45. toMMP protocol Communication with OPC 2 0 compliant clients is available through OptoOPCServer e For Modbus TCP see Opto 22 form 1678 the Modbus TCP Protocol Guide e For SNMP FTP and SMTP see form 1704 the PAC Manager User s Guide e Ifyou are not using PAC Project but want to develop custom software to communicate with the brain the OptoMMP developer toolkit is available for free on our website www opto22 com The OptoMMP Communication Toolkit includes ActiveX components and C classes so you can use programming tools such as Visual Basic or Visual C to communicate with the brain See form 1465 the OptoMMP Protocol Guide for more information e For OPC connectivity use OptoOPCServer available either as part of PAC Project Professional or for separate purchase See our website for more information SNAP PAC Brains User s Guide CHAPTER 1 INTRODUCTION About this Guide This guide shows you how to install and use SNAP PAC brains This guide assumes that you have some familiarity with TCP IP and Ethernet networking If you are not familiar with these subjects we strongly suggest you consult commercially available resources to learn about them before attempting to install or use SNAP PAC brains The following sections are included in this user s guide Chapter 1 Introduction information about the guide and how to reach Opto 22 Product Support Chapter 2 Installing a SNAP PAC Brain quick start steps
46. uctions the PAC Control Users Guide form 1700 If you are not using PAC Control follow configuration steps in the PAC Manager User s Guide To learn more about SNAP PAC brain capabilities and network options see Chapter 3 System Architecture To use OLE for process control OPC with SNAP PAC brains purchase the OptoOPCServer and see Opto 22 form 1439 the OptoOPCServer Users Guide To communicate with SNAP PAC brains using Modbus TCP see form 1678 the Modbus TCP Protocol Guide To program your own applications to communicate with the SNAP PAC brain see Opto 22 form 1465 the OptoMMP Protocol Guide EJ SNAP PAC Brains User s Guide 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 See page 12 Networking See page 13 Specifications and feature comparison charts See page 15 Communication Options SNAP PAC brains communicate using TCP IP or UDP IP over a wired or wireless network Physical Layer SNAP PAC brains communicate over a 10 or 100 Mbps wired Ethernet link Transport Layer The key to the SNAP PAC brain s communication flexibility is the transport layer Internet Protocol IP Both the Transmission Control Protocol TCP and the User Datagram Protocol UDP are used with IP Application Layer Because SNAP PAC brains use standard IP for the tran
47. ure the system in PAC Control See the PAC Control User s Guide For the Communication Toolkit or OptoMMP protocol see OptoMMP Protocol Guide Monitor and control pro PAC Control flow PAC Manager Inspect window or OptoMMP Commu See PAC Control User s Guide amp Command Reference CAUTION Events and reactions set up using alternate methods are faster than flowchart logic but be careful if you use them They can conflict with PAC Control logic cesses acquiredata chartlogie nication 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 Communicate with Mod bus TCP hardware or soft Modbus TCP See Modbus TCP Protocol Guide ware Exchange point data with OptoOPCServer for Purchase OptoOPCServer or OptoDataLink separately third party software such as HMls and databases OPC OptoDataLink for databases or as part of PAC Project Professional See OptoOPC Server User s Guide and OptoDataLink User s Guide Send email or page someone Send SNMP trap Monitor devices through an enterprise management sys tem PAC Control and PAC Manager for configuration OptoMMP Commu nication Toolkit or OptoMMP protocol If you are using PAC Control configure email using PAC Manager S
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