SMART I/O - Mikrocontroller.net
Contents
1. Power Plant Control Environmental Control Water Treatment Plant Control Intelligent Distributed I O Industrial Computing Industrial Process Control Data Logging Flexible Loop Control Transportation Railway Fuzzy Logic Control Construction Automation Factory Automation Modem Controlled Applications vvvvyv vvvv vvvv Modular Computers PROFIBUS SMART I O PROFIBUS is an open standard DIN 19245 fieldbus network enabling devices from various vendors more than 150 world wide to be interoperable As it is based on the real time capable asynchronous tokenbus principle PROFIBUS can achieve data transfer rates of up to 500 kbit s multi master multi slave or hybrid topologies PEP s SMART I O concept conforms in full to the OSI reference model sup porting layer 2 the data layer and layer 7 the application layer This latter layer communicates via the Application Layer Interface ALT Object orientated inte gration of a Virtual Field Device VFD includes com munication objects entered into Object Dictionaries and manipulated by application services PROFIBUS distin guishes between confirmed and unconfirmed services broadcasts and multicasts Layer 2 7 Programming gt LLF The Lower Layer Function allows access to all services and data structures gt HLF The Higher Layer Function allows fast and easy programming with ready to use sub routines for basic Services Refe2. The latter in which the fieldbus is con trolled by a centralized CPU results in an overloaded network T The SMART I O core is Motorola s MC68302 CPU with two on chip processors One is the 20MHz industry standard 68HC000 while the second is a communications oriented RISC processor Fieldbus protocols use the power of this RISC CPU freeing the 68HC000 for application tasks In addi tion the 68302 includes an SIB Sys tem Integration Block consisting of 3 serial channels 3 timers and an inter rupt controller This micro PLC with an unprecedent ed memory size smoothes the applica tion of efficient programming tools such as ISaGRAF AEC1131 3 automa tion development system as well as real time operating systems and their environments ANSI C multitasking networking etc The SMART I O concept is engineered around a SMART BASE module includ ing a DC DC converter and CPU core Input and Output are realized by the addition of up to four cascaded Ne X ej jej jejje jejje jo P e o o e e o EEE e 00 0 00 0 EEE PH o oojo o e E e 0 00 j e SMART EXT extension modules which increase the I O capacity of the sys tem The SMART BASE possesses 3 connec tor
3. creation of loop control or mathematic algorithms communication Fuzzy logic etc IRO Abilities SMART I O Of the various interrupt sources available the following are generated on board Tek o The 10 ms tick issues interrupts at level 6 This non maskable IRQ on level 7 has the highest priority and is generated when the main 5V supply falls below 4 70V If the sup ply falls below 4 65V then the system enters a RESET state Programmable The Interrupt Logic generates 2 IRQ signals as follows Timer S This IRQ source has level 4 priority Parallel VO These interrupt lines have level 1 priority Four of the SMART MODULES three on the SMART BASE and the first slot of the first SMART EXTension are connected to the interrupt logic configured to generate an interrupt IRQ on level 1
4. SMART I O Micro PLC and Real Time Computer Power Computation and Communications Performance LATED ee i i PoP PR e PP ima Freie bs Gr at ot _ 5 o 3 x z E Ee ta o _ f gt APLC based on Real Time m RE he A S Computer Technology gt Distributed Intelligent I O System gt Programmable with all 5 1IEC1131 3 Languages l EEE Pi gt Application SW compatible with VME and IUC Systems gt Programmable in ANSI C gt Embedded Real Time O S with Multitasking ability gt Reduced Cabling and Maintenance costs milk el m oom om gt Standard and Extended Operating Temperature ranges Project systems gt a active _ c DN teas Lead inactive Flash active Random inactive a Pe les ol ja ISaGRAF Trace List untitled oe E Eiles Edit Options Help al Aa Options Help tes Ean orons Hee ffp T O ie ed false e N ue c n beycle 13 0 E E The Smart I O concept is based on a cost effective open system for industrial automation and real time computing Derived from the PEP VME 3U technology SMART I O is 100 application software com patible with VME9000 and IUC9000 controllers Approved by the Deutsche Bundesbahn Modular Computers Reg No 0548 02 Ordering Information SMART I O Product Description Order No SMART BASE Micro PLC and real time computer with 1 MByte EPROM isol
5. ated 24 bit counter timer OS 9 v3 0 x ISaGRAF 14817 v3 0 x RS485 9 pin D Sub connector for PROFIBUS v3 12 layer 2 amp 7 Full Modem RS232 8 pin RJ45 connector housing and screw terminal block for the main power supply and batter ___SMARTEXT Extension carrier module with 2 slots for SMARTModules ___ oOo oOo o U O a 3V 190 mah piggyback for standard operating temperature range C to 700 BT __3V 850 mAh piggyback for extended operating temperature range 40 C to 850 2B na ee ee o MAN SMARTIO Updated handbook showing amendments to the SMART O family 2916 Important The DC DC converter of the SMARTBASE is capable of supplying 6 75 W max for the internal 5V supply to power the Counter Timer SMART EXT modules and the isolated Profibus interface It is possible to drive the SMART I O sys tem to the limit of its capability but it is advisable to build a configuration where the worst case total value stays below the limit The power consumption of individual modules depends on the activity taking place at the time and therefore an accu rate figure cannot be guaranteed An empty SMART BASE unit consumes a maximum of 1700mW PEP has allowed a nominal consumption of 300mW for each SM Module slot If that limit is exceeded the maximum number of SM Modules must be reduced Refer to the data sheets of these SMART Modules to gain a better estimate of the power consumption and their oper ational capabilities Application Areas
6. ium cell standard temperature 3V 850mA cylinder lithium cell extended E2 temperature Housing Connectors Housing for DIN rail mounting 3 slots for SMART Modules on the SMART BASE 2 slots for each SMART EXT RJ45 for RS232 interface 9 pin D Sub connector for the RS485 PROFIBUS interface Array 2x3 and 2x7 Mating Cycles 100 Contact Resistance lt 5mQ Max Amperage 6A Operating Voltage lt 250V OS 9 v3 0x real time kernel disk based as standard PROFIBUS layer 2 amp 7 v 3 12 IEC 1131 3 with ISaGRAF for Windows SMART BASE 1500 1700mW PROFIBUS 250 750mW SM slots lt 300mW SMART EXT 15 35mW Dimensions mm I w h SMART BASE 247 5 x 114 5 x 86 8 SMART EXT 110 0 x 114 5 x 86 6 Standard 0 C to 70 C Extended 40 C to 85 C Up to 95 non condensing Free air convection SMART BASE SMART EXT 650g 250g SMART Modules Available Digital SM DIN1 SM DOUT1 SM REL1 SM ACT1 SM ACO1 SM ACO2 Analog SM DAD1 SM ADC1 SM DAC1 SM THERM SM PT100 Counter Timer SM COUNT1 SM COUNT2 Serial Interfaces SM RS232 SM SSI 8 inputs 24V DC 8 outputs 24V DC 0 5A 6 normally open relay outputs 8 inputs 120 230V AC 6 outputs 120 230V AC 0 3A 2 outputs 120 230V AC 1 0A 4In 2out 10V DC 6 inputs 10V DC 20mA 2 6 outputs 10V DC 20mA 4 inputs RSBITEK 4 inputs 2 3 or 4 wire 1 channel 24 bit increm encoder 2 channel 16 bit counter 1 channel max 19200 Baud 1 channel 24 bit max 500
7. kHz Refer to respective data sheets for more information about these SMART Modules ISaGRAF SMART I O ISaGRAF is a Windows based integrated Computer Aided Software Engineering CASE environment It conforms to IEC 1131 3 the international PLC language stan dard All listed languages are included in ISaGRAF together with the option to inte grate C code Programmed applications run on the SMART I O under the OS 9 real time operating system The IEC 1131 3 languages are This the core language of the IEC 1131 3 standard which divide the process cycle into a number of defined successive steps separated by transitions This a graphical language allowing the user to build complex procedures by taking existing functions and function blocks from the ISaGRAF library The Ladder Diagram is one of the most familiar methods of representing logical equations and simple actions ISaGRAF pro vides a full graphic ladder logic editor This is a language with a syntax similar to Pascal but adapted to be more intuitive to the automation engineer The Instruction List is a low level language similar to assembler and is highly effective for smaller applications or for optimising parts of an application Procedures written in C can be called from any of the five supported languages On multitasking systems such as OS 9 complete user written tasks can run parallel with the ISaGRAF application Such tasks could be used for the
8. ment systems or the FasTrak cross development environment Refer to the PEP OS 9 data sheet for further information gt OS 9 v 3 0 x gt ISaGRAF with SMART O library gt PROFIBUS layer 2 amp 7 Product Overview SMART I O Using the standard ISaGRAF workbench for IEC 1131 3 PLC programming languages and the Ultra C compiler for ANSI C real time programming SMART I O can be used as a micro PLC as well as a real time multitasking system SMART I O is equipped with PROFIBUS the industry standard real time fieldbus This allows the SMART I O to be used in a fully transparent real time network architecture enabling open communications between PEP systems and third party devices and MMI Fieldbus systems such as Profibus facilitate not only I O handling and inter system communica tions but also file transfer remote login and remote debugging facilities Intelligent I O subsystems such as PEP SMART I O act as local con trollers attached directly to electro mechanical devices Consequently design maintenance and cabling are quicker simpler and cheaper SMART I O communicates with other systems by object oriented methods In intelligent I O sub systems the only fieldbus traffic is data exchange for example SETPOINTS FLAGS synchro nization messages START STOP com mands etc The advantage of SMART I O technology over DUMB remote I O technology is a clear network
9. r to the PEP PROFIBUS data sheet for further information OS 9 Operating System SMART I O Microware s OS 9 is a modu lar operating system providing deterministic high perfor mance operations for 680x0 applications Its powerful features make OS 9 the optimum real time target for industri al scientific medical telecommuni cations and consumer electronic applications Real Time OSs Real time features include task switching process execution control flexible interrupt service routines ISRs and fast interprocess communication facilities The OS 9 kernel s multitasking ser vices include priority based task scheduling dynamic memory alloca tion together with complete inter rupt exception and task manage ment facilities Interprocess commu nication options include alarms events binary semaphores data mod ules signals pipes and sockets Having an excellent and long term partnership with Microware PEP has been able to port and adapt its own products to Microware s OS 9 V3 0 x As a result PEP can offer a wide range of OS 9 products running on its own hardware with ade quate OS 9 support It offers full application software compatibility with VME and IUC systems Based on an open system protocol PEPs SMART I O concept allows the user the freedom to define and develop his own end applications OS 9 based applications can be easily developed using PEP OS 9 develop
10. s for SMART MODULES Each slot provides eight bidirectional TTL digital lines and a 3 wire SPI Serial Peripheral Interface line with one of the digital lines generating an interrupt to the CPU SMART MODULES can be either DIGITAL I O ANALOG I O or COUNTER I O Custom modules are easily developed due to an OPEN inter face specification Each SMART EXT supports up to 2 SMART MODULES each possessing 8 digital lines and an SPI line To achieve a common interface between modules a SMART I O SPI port C library is pro vided by PEP A complete SMART I O configuration allows up to 11 SMART MODULES to be cascaded e e e e jel e e Complete SMART I O system example showing 4 fully equipped SMART EXT units mounted on a DIN rail Specifications SMART I O DC DC Converter Two isolated 1000V DC 5V Output Channels Input 18V 36V DC 24V DC Nominal Outputs 1 amp 2 Isolated 5V DC 1 2A system Isolated 5V DC 150m lt A RS485 MC68302 20MHz Memory EPROM and or FLASH up to 2 MByte 512 kByte DRAM 64 kByte SRAM with battery backup Serial RS232 Modem compatible Isolated RS485 PROFIBUS up to 500 kbit s SPI SPC local interface amp RTC Isolated timer I O with Tin 0 kH2 Tout KHD Gate 24V DC Interrupt Vectors 10ms 100 Hz IRQ6 24 bit timer IRQ4 Parallel I O 4 lines IRQI Data Retention 3V 190mA button lith
Download Pdf Manuals
Related Search