Academic literature on the topic 'PLC Siemens'

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Journal articles on the topic "PLC Siemens"

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Wang, Tie Cheng, Zhan Ping Du, Lei Liu, and Hai Xia Bi. "The Application of Siemens PLC in Traditional Chinese Medicine Production." Advanced Materials Research 287-290 (July 2011): 3061–64. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.3061.

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This article mainly introduces the design thought of Siemens PLC applying for the production of traditional Chinese medicine. In addition, the design and investigation on constant temperature and pressure of a new automatic traditional Chinese medicine dripping machine is introduced in this paper also. The automatic traditional Chinese medicine dripping machine is wholly controlled by the Siemens PLC. Recent application on spots shows: this PLC controlling system works reliably, operates conveniently. 【 Key words 】 traditional Chinese medicine; Siemens PLC; constant pressure; constant temperature
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Jiang, Qing Bin. "The Design of Textile Machinery Synchro-Control System Based on PROFIBUS Communication." Advanced Materials Research 332-334 (September 2011): 335–38. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.335.

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This text takes the spun-laced non-woven fabric weaving machinery as an illustration, introduces the Textile machinery synchro-control system based on Siemens S7-300 PLC and Textile machinery by Siemens plc and DANFROSS Inverter.
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Yang, Zhi Fang, Shan Qing, Gang Yao, Hua Wang, Zhe Shi, and Ping He. "Measure Scheme According to Siemens PLC." Advanced Materials Research 393-395 (November 2011): 847–50. http://dx.doi.org/10.4028/www.scientific.net/amr.393-395.847.

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Using the Siemens PLC programmable controller, a new weighing and control integration plan was discussed, and the debugging points was analyzed according to the engineering experience, and the principle part and program details were presented.
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Wang, Li Xia, Zhan Rong Feng, and Ran Yang Zhang. "Research on Siemens PLC Pulse Control." Advanced Materials Research 705 (June 2013): 616–20. http://dx.doi.org/10.4028/www.scientific.net/amr.705.616.

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In order to apply the PTO pulse function of Siemens PLC in a more systematic, convenient and effective way, this thesis adopts the position control wizard to generate envelop and control subroutine. The thesis also makes detailed descriptions and case discussions on the four subroutines of PTO0_CTRL, PTO0_RUN, PTO0_MAN, PTO0_LDPOS, and the results show that using the position control wizard can not only generate envelop and control subroutine conveniently but also bring convenience to the application of the subroutine. Especially, the parameters of the four subroutines interact both independently and mutually. If we make a deeper research on the parameters, we can master their relations further more and apply them more proficiently.
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Kuang, Xing Hong, Zhe Yi Yao, and Shi Ming Wang. "Design of Parts Processing and Control System Based on PLC." Applied Mechanics and Materials 651-653 (September 2014): 703–5. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.703.

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This article focuses on the design of parts processing and control system based on Siemens S7-200 PLC. The purpose of this study is to learn and become familiar with the Siemens S7-200PLC hardware parameters and the use of programming software STEP 7 Micro/WIN SP9, and design a rational and effective parts processing and control system. This paper firstly describes the development history and development status of the PLC, so that readers can understand the PLC briefly. Secondly, the article shows some important technical parameters such as Siemens S7-200PLC CPU model, hardware configuration and so on. It is to clarify the basic component of parts processing and control system and its working principle, and the role of Siemens PLC in the system. Finally, according to specific design requirements, programming software STEP 7 Micro/WIN SP9 is used to program for the system so that the system can operate effectively and reasonably. The study successfully achieved the desired goals, through reasonable programming made PLC take the full control of parts processing in this system..
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Liu, Jin Mei, Jun Hong Wang, and Dong Hui Sun. "The Design and Application of Beverage Automatic Filling System." Applied Mechanics and Materials 563 (May 2014): 366–71. http://dx.doi.org/10.4028/www.scientific.net/amm.563.366.

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The paper presents the design and application of the beverage automatic filling system based on Siemens S7-300 PLC and MP277 touch screen. Photoelectric sensor was used to precisely detect positions of the beverage bottle, which it arrives the fixed position, servo motor will control it stop. The Siemens S7-300 PLC was designed by the software of Siemens STEP 7 5.4. Touch Screen was designed by the software of WinCC Flexible 2008, which it and PLC communicated by DP lines. The beverage automatic filling system can real-time display the state and set up the parameters of the object. It was proved by practice that beverage automatic filling system reduces labor intensity and operational cost, increases automation degree, and improves production efficiency.
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Wang, Wei, and Jian Hua Ren. "The Automatic Control System Applied to Food Packing Production Line Based on STEP7-MICRO/WIN." Applied Mechanics and Materials 63-64 (June 2011): 273–76. http://dx.doi.org/10.4028/www.scientific.net/amm.63-64.273.

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In this paper, we introduce a food production and packaging system. This system includes many processes, namely, mixing, blending, molding, drying, packaging, and relates to multiple devices. To ensure the quality of food production and packaging, it needs coordination of all procedures and controls based on process requirements to achieve different objectives, so we use PLC centralized control in the food production and packaging system. According to the control object, we allocated the PLC address and choose the PLC of Siemens S7-200. On the basis of control tasks, we designed a control flowchart and programmed for PLC control system of Siemens S7-200 using STEP7-MICRO/WIN programming software .The practical applications have proved the good results.
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Dong, Yu Lin, and He Hui Lan. "Design of Goods Transport Control System Based on PLC." Applied Mechanics and Materials 246-247 (December 2012): 908–11. http://dx.doi.org/10.4028/www.scientific.net/amm.246-247.908.

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This paper introduces realization of the system based on Siemens PLC and IFIX configuration software. The system uses Siemens s7-300 PLC as the control center, and realizes inter-connection with Industrial Switches, control of the belt transport system, and automatic commodity information collection. It is proved that the system could carry out goods safely and stably. Moreover, it is effective to save the manpower and improve the efficiency.
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Lv, Dong Mei, Jiang Han, and Liu Qing Yang. "Heterogeneous PLC Control Communications and Fault Intelligent Diagnosis." Applied Mechanics and Materials 494-495 (February 2014): 853–56. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.853.

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As an industrial control computer,PLC has been widely used in industrial automation area. Through the bus interface module or industrial Ethernet interface module, PLC can communicate with the master PLC, and realize fault intelligent diagnosis. There are all numerous types of PLC, they have respective advantages and disadvantages, and can meet the needs of the user, but in shape, form, function, programming, they are not identical. This paper mainly introduces Mitsubishi PLC, Siemens PLC and OMRON PLC, simultaneously researches their respective communication characteristics and method of fault diagnosis, provide users choosing PLC a theoretical reference basis.
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Zhang, Zi Sheng, Jin Cui, Qing Yang, Shi Ming Ren, and Bo Sun. "The Roller Speed Control of High Voltage Electrostatic Separator Based on PLC." Advanced Materials Research 1037 (October 2014): 240–43. http://dx.doi.org/10.4028/www.scientific.net/amr.1037.240.

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The main aim of this paper is improve the high voltage electrostatic separation efficiency of roll-type electrostatic separator. To this end, a method of controlling the roller to obtain the best rotate speed was introduced. Experiments of system design were performed on 315-2DP type Programmable Logic Controller (PLC) produced by Siemens, E6B2 - CWZ6C encoder provided by Omron and MM440 converter obtained from Siemens. According to the nature differences of the separation particles, presetting the roller rotation speed in the upper machine. Then it is downloaded to the PLC. Through the tail encoder of the motor to receive the signals, calculating the roller speed and feedback to the PLC to control the converter, then formed a closed-loop control system of the motor speed.
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Dissertations / Theses on the topic "PLC Siemens"

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Adhikari, Suman. "Operator Machine Control using Siemens PLC and HMI." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1544777624147683.

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Hy, Sing, and Robert Wirtanen. "Conversion and development of new typecircuits for Siemens PLC." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-93616.

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Automationscenter & Bråvalla Elteknik AB offers complete turnkey solutions to the market where the customer can operate and monitor their production from operator panels. This total solution lacks today type circuits in Siemens PLC controls for operating, control and monitoring of process-driven objects. The report begins with a description of the company. Then the purpose of the examination work is described, and the specifications as the basic for our work. After that it presents how the work began with a feasibility study of software programs for Mitsubishi PLCs. The report then continues with how the programs for Siemens PLC system works and which components that were used. The result was a documentation of the conversion of four type circuits, and the development of two brand new type circuits. These type circuits have also an operator interface for each type circuits. Software code is available to all type circuits in the report as an appendix. The programming for each piece is commented to make it easier to understand. Even the operator images to each type circuit are attached as an appendix.
Automationscenter & Bråvalla Elteknik AB erbjuder marknaden färdiga totallösningar där kunden kan manövrera och övervaka sin produktion från operatörspaneler. I denna totallösning saknar företaget idag ”typkretsar” för Siemens PL C- system för manöver, kontroll och övervakning av styrda processobjekt. Rapporten inleds med en beskrivning av företaget. Sedan beskrivs syftet med examensarbetet, samt den kravspecifikation som legat till grund för arbetet. Efter detta redogörs hur arbetet började med en förstudie i mjukvaruprogrammen för Mitsubishi PLC- system. Rapporten fortsätter sedan med hur programmen till Siemens PLC- system fungerar samt vilka komponenter som användes. Resultatet blev en dokumentation av konverteringen av fyra typkretsar, samt framtagning till två helt nya typkretsar. Till dessa typkretsar gjordes även ett operatörsgränssnitt. Programkoden till alla typkretsar finns med i rapporten som en bilaga, där varje programmeringsstycke är kommenterat för att det ska bli lättare att förstå. Även operatörsbilderna till varje typkrets finns som bilaga där de förklaras hur de fungerar.
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Baltenius, Samuel. "Automatisering av rökgasrening : Slangfiltersystem med Siemens PLC & HMI." Thesis, Linnéuniversitetet, Institutionen för fysik och elektroteknik (IFE), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-105851.

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Detta arbete behandlar hur ett Siemens PLC system konstrueras och programmeras för att automatisera rengöringen av textilslangar vid rökgasrening. Det gjordes genom att undersöka kravsammanställning och utforma systemet därefter. För systemet togs kopplingsscheman fram, programmering av virtuell PLC och HMI gjordes. Systemet simulerades sedan med framgång. Alla funktioner har inte utvecklats men de viktigaste kraven är uppfyllda. Detta ledde till slutsatsen att det är möjligt att göra ett Siemens baserat PLC system för automatisering av rökgasrening.

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Olsson, David. "Optimering av formmaskin M01." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-33382.

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Detta examensarbete på 22,5 hp är en del av mekatronikingenjörsutbildningen vid Karlstads universitet. Uppdragsgivaren är Valmet AB (tidigare Metso AB) i Hagfors som tillverkar och säljer malsegmentslitdelar för pappersindustri och massaindustri.Projektet behandlar en av de tre formmaskiner som finns på företaget, kallad M01. Formningsmomentet är grunden till gjutresultatet av produkterna och i dagsläget är det för stora variationer på kvalitetsutfall, delvis orsakat av för många frihetsgrader i hur maskinen opereras. Målet är att komma fram till en automatiserad lösning av utstötning av skalhalvor, hålla en jämnare nivå i sandkassen genom nivåmätning samt minska spill vid påfyllningen av sand.En tryckvakt och en ultraljudsgivare användes för att kunna mäta maskinens tillstånd och som styrning användes en extern PLC, Siemens LOGO! utöver den ordinarie PLC:n som används.Resultatet blev en prototyp som tillsammans med ett antal nya sensorer kan göra testmätningar och tillfälligt styra maskinen för att få en anvisning om det kan vara en bra lösning i framtiden. Lösningen ska senare kunna utvecklas fullt ut med bättre sensorer och dess funktioner ska kunna implementeras i den ordinarie PLC:n för att användas i samtliga formmaskiner.Alla lösningar fick inte fullt önskvärt resultat men de är ändå ett steg i rätt riktning. Skalen släpper inte lättare men en automatiserad utstötningsfunktion har tagits fram och kan användas som ett komplement för att underlätta för operatören. Lösningen har även lett till att det har blivit minskat spill samt att tiden för sandpåfyllning numera kan styras genom nivåmätning. Dock måste den startas manuellt i varje tillverkningscykel.
This degree project of 22.5 hp is part of the Mechatronics Engineering education at Karlstad University. The client is Valmet AB (formerly Metso AB) in Hagfors, which manufactures and sells grinding segments for the paper and pulp industry.The project highlights one of the three formwork machines at the company, called M01. The formwork is the basis to the molding results of the products and in the current situation it is of great variability in quality outcomes, partly caused by too many degrees of freedom in how the machine operated. The goal is to come up with an automated solution for ejection of shell halves, maintain a more stable level of sand in the sandbag through level measurements and reduce spillage during filling of sand.A pressure sensor and an ultrasonic sensor have been used to measure the state of the machine and to control an external PLC, Siemens LOGO addition to the ordinary PLC has used.The result was a prototype that together with a number of new sensors can make test measurements and temporarily control the machine to get a hint about if it could be a good solution in the future. The solution could later be fully developed with better sensors and its features implemented into the regular PLC to be used in any formmachine.All the solutions were not fully desirable but they are still a step in the right direction. The shells doesn’t let go easier but an automated ejection program has been developed and that be used as a supplement and assist the operator. The new solution has also led to reduced waste, and that the time for sand filling is now controlled through level measurements. However, it must be started manually in each production cycle.
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Nekula, Pavel. "Řízení stejnosměrného motoru pomocí PLC Simatic S7-200." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228372.

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Diploma thesis deal with connection of DC motor with programmable logic controller Simatic S7 – 224XP in order to attitude control turning and rotation speed of DC motor.Major goal of diploma thesis was to suggest and develope modul for connection of DC motor with programmable automatic machine. Further goal was to make a programmatic equipment for this modulus and programmable controller. Final task was visualization exercise by the help of touch screens, on which will be set and monitor values of position turning and rate of swelling of engine speed.
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Elvinsson, David. "Analoghantering i Siemens Open Library : Modifiering och jämförelse." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-34294.

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Ökade förväntningar på hållbarhet, säkerhet och ergonomi ställer krav på allt fler områden, även inom PLC-, samt HMI-programmering. Syftet med detta arbete har varit att modifiera ett analoginput-block, med tillhörande faceplate och faceplate-ikon från Siemens Open Library. Därefter har en jämförelse gjorts mellan de olika programmeringarna med avseende på säkerhet, hållbarhet, cykeltider, utseende och ergonomi. Programmeringarna har även jämförts mot två olika standarder; SSG 5262 och ISO 13849-1. Målet med arbetet har varit att undersöka hur en utökad funktionalitet kan påverka andra aspekter som utseende, ergonomi, cykeltider, säkerhet och hållbarhet. En PLC, som är en typ av programmerbar dator, kan bara läsa bitmönster och för att kunna läsa analoga signaler, behövs an AD-omvandlare. Siemens PLC:er omvandlar signalen till en upplösning på 16 bitar och ger även felkod vid för hög, eller låg insignal. Vid kommunikation mellan människor och maskiner behövs någon form av gränssnitt och i ”open source”-biblioteket Open Library från Siemens finns det bland annat sådana gränssnitt, i form av faceplates. Men det finns även andra färdigprogrammerade funktionsblock för motorstyrningar, med mera. Programkoden gjordes i språket FBD och standarden IEC 61131-3 beskriver uppbyggnaden av detta och andra språk för PLC-programmering. Efter en litteraturstudie inom ämnet, gjordes en implementering av nya funktioner, enligt önskemål från företaget ÅF. De nya funktioner som programmerades till PLC-blocket och faceplaten var; en hysteresfunktion för alarmgränser, filterfunktion med dämpning, grafisk representation av filtrerade signalen, visning i faceplaten av trendkurvor, sensortyp och hjälpfönster. En loggfunktion programmerades även, med en knapp som sparade ingångsvärden i ett datablock. Cykeltiderna mättes till något längre än en millisekund för en genomsnittlig cykeltid för de båda PLC-blocken. Den längsta cykeltiden för originalblocket var 72,892 millisekunder och den längsta för modifieringen var 158,174 millisekunder. Faceplaten gjordes cirka 90% större för att rymma de nya funktionerna. Färgerna, samt textstorlekarna ändrades för att bättre stämma överens med riktlinjerna från SSG 5262. Den ursprungliga faceplaten har mindre textstorlekar och andra färger på processvärden än vad SSG 5262 förespråkar. Ingen av programmeringarna är helt överensstämmande med ISO 13849-1, även om de innehåller säkerhetsrelaterade funktioner. Med avseende på utseende och ergonomi, kan både den ursprungliga och den modifierade faceplaten anses vara vilsamma för ögonen och med få färger. Modifieringen kan ses som något bättre ur en ergonomisk synvikel, på grund av större textstorlek och standardiserade processvärdesfärger. Ur ett hållbarhets- och etiskt perspektiv är det svårt att avgöra vilken programmering som är bäst, eftersom fler funktioner kan ge längre cykeltider och därmed eventuellt högre energiförbrukning, men kan även ge mervärde i form av sparad tid och möjligen pengar.
Higher expectations on sustainability, safety and ergonomics, sets higher demands on an increasing number of areas, including PLC- and HMI-programming. The purpose of this work has been to modify an analog input block with associated faceplate and faceplate icon from Siemens Open Library. A comparsion has been made between the different types of programming, according to such aspects as; safety, sustainability, cycle-time, visual aspects and ergonomics. The programmings have also been compared to two different standards; SSG 5262 and ISO 13849-1. The aim with this thesis work has been to examine how an increased functionality can affect other aspects, such as ergonomics, cycle-time, safety and sustainability. PLC:s, a type of programmable computer, can only read bit patterns and for to be able to read analog signals, the PLC needs an AD-converter. PLC:s from Siemens convert the signal to a resolution of 16 bit and also provides error code when the input signal is too high or too low. With communication between humans and machines, some form of interface is needed and the open source library ”Open Library” from Siemens, provides such interfaces in the form of faceplates. In the library, there are functions that are already programmed, motor control beeing one of them. The program code was written in the FBD language and the standard IEC 61131-3 describes the structure of this and other languages used for PLC programming. After a litterature study on the subject, an implementation of new functions was made, according to requests from the company ÅF-consult. The new functions that were programmed were; a hysteresis function for alarm boundaries, filter function with damping, graphic representation of the filtered signal, display of trend curves, sensor type and help window in the faceplate. A logging function was also programmed, with a button that saved input values in a datablock. The cycle-time was measured to somewhat longer than one millisecond for an average cycle-time for each PLC-block. The longest cycle-time for the original block was 72.892 milliseconds and the longest for the modification was 158.174 milliseconds. The faceplate was made about 90 percent larger, to accomodate the new functions. The colors and the text sizes, were edited to better match the guidelines written in SSG 5262. The original faceplate has smaller text sizes and different colors on process values, than advocated by SSG 5262. Neither of the programmings is completely according to ISO 13849-1, even if they contain safety-related functions. With regards to visual- and ergonomical aspects, both the original and the modified faceplate could be said to be ”pleasant for the eyes”, with few colors. From an ergonomic view the modification can be viewed as somewhat better because of larger text sizes and standardized process value colors. From a sustainability- and ethical perspective, it is difficult to determine which programming is best, because more functions can give longer cycle-times and thereby eventually higher energy consumption, but can give value in the form of time-savings and possibly money-savings.
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Rexhaj, Kastriot. "Siemens och Rockwell Automation : En jämförande studie mellan styrsystem." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-30930.

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Detta arbete har syftat till att ställa två av de större automationstillverkarna Siemens och Rockwell Automation mot varandra kring utvalda faktorer som: prestanda, kommunikation och tillgängliga mjukvaruverktyg. Studien har utformat tester på olika PLC-enheter från respektive tillverkare, redogjort för skillnader i de erbjudna kommunikationslösningarna samt analyserat mjukvaruverktygen utifrån utvalda egenskaper men också internationellt erkända standarder. Undersökningen har visat på bättre prestanda på processorer från Rockwell Automation än motsvarande från Siemens för ett givet tillämpningsområde. Vad befattar kommunikationslösningar med ethernet-teknologi har Siemens visat på bättre prestanda, stabilare kommunikation och ett mer komplett ekosystem som svarar på flera av de behov som kan uppstå i industriverksamhet. Mjukvaruverktygen från Siemens erbjuder mer objekt-orienterad funktionalitet och har visat sig betydligt mer kompatibel med den väletablerade standarden IEC 61131-3 som utformar programmeringsmetodiker för PLC-enheter och är tänkt att svara mot framtidens behov av interoperabilitet och effektivisering. Av resultaten som fåtts har en bedömning gjorts att Siemens erbjuder ett mer fördelaktigt utbud av produkter och tjänster som svarar väl mot framtidens krav.
This paper treats two competing suppliers of automation technology, Siemens and Rockwell Automation and directly compares them for a given set of factors in the following categories: performance, communication and software tools. The study consists of performance tests made on different PLC’s from these suppliers, considerations in the differences of communication technology and analysis of the programming tools according to chosen criteria’s but also by the degree of compliance with internationally established standards. The tests have shown the PLC from Rockwell Automation as having better performance for the chosen criteria (PLC’s for small to medium sized machines). Siemens offers more performance and more stable industrial ethernet communication over ProfiNET than does Rockwell Automation with EtherNet/IP. Accordingly, Siemens offers more flexibility in meeting future industrial needs. The software tools provided by Siemens offer a more object-oriented approach for programming PLC’s than equivalent tools from Rockwell Automation. TIA Portal offered by Siemens is more than twice as compliant with the internationally accepted standard IEC 61131-3 as Studio 5000 from Rockwell and in being more compliant benefits from increased interoperability and effective programming. The results show that Siemens’ products and services for automation benefits the customer in long term viability.
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Altergren, Andreé. "Förberedelse till modernisering av styrsystem för produktion av processvatten." Thesis, Linnéuniversitetet, Institutionen för datavetenskap, fysik och matematik, DFM, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-18516.

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På kraftvärmeverket Allöverket I Kristianstad produceras processvattnet i en anläggning som heter totalavsaltningen. I denna anläggning som består ut av två identiska linjer låter man det inkommande vattnet passera genom jonbytare för att byta ut de oönskade jonerna i vattnet emot mer önskade. Anledningen till att man gör detta är att de oönskade jonerna i vattnet ger beläggningar på turbinen. När jonbytarna blivit mättade så måste de återställas till sin ursprungliga form. Detta sker genom att det startas ett regenereringsprogram, som består av ett antal steg så som backspolning, kemikalieintag och fyra olika spolningar. Det finns gränsvärden för vilken ledningsförmåga samt vilken halt av kisel vattnet skall ha för att få levereras men det finns endast mätning av ledningsförmåga kopplat till styrsystemet vilket gör att man får styra anläggningen efter olika tider. Till styrsystemet är det kopplat ett antal centrifugalpumpar och magnetventiler samt mätutrustning för mätning av ledningsförmåga. I totalavsaltningen sitter det ett Siemens S5 styrsystem som styr anläggningen efter vattenmängd, ledningsförmåga och olika tider för sekvenserna. Alla de styrande funktionerna sitter på ett styrskåp ute i fabriken. Siemens systemet är gammalt och omodernt och skall därför bytas ut emot ett ABB 800xA system. Detta system används redan på operatörsstationerna i manöverrummet för att styra andra delar av fabriken. Med denna studie så har jag tagit fram en ny funktionsbeskrivning av totalavsaltningen. Funktionsbeskrivningen består ut av funktionsdiagram som beskriver hur programmet styr anläggningen idag. Till funktionsbeskrivningen har jag också gjort en ny teknisk beskrivning samt reviderat det processchema som finns över anläggningen för att all dokumentation skall hänga samman.
The heat and power station Allöverket in Kristianstad produced the process water in a plant called the total desalination. In this plant which consists out of two identical lines, they let the incoming water passing through ion exchangers to replace the undesired ions in the water to more desired ions. The reason for doing this is that the undesired ions in the water give coatings on the turbine. When the ion exchangers have been saturated, they must be restored to the original condition. This is done by starting a regeneration program, which consists of a number of steps such as back flushing, intake of chemicals and four different flushes. There are limits on the conductivity and the content of silicon in the water that will be delivered. But there is only measurement of the conductivity connected to the control system, and because of this they control the plant with different timers. To the control system there is connected a number of centrifugal pumps, solenoid valves and instrumentation for measurement of conductivity. In the total desalination sits a Siemens S5 control system that controls the plant after amount of water, conductivity and different times of the sequences. The control functions are now located on a control cabinet out of the factory. The Siemens S5 control system is old and outdated and will be changed to an ABB 800xA control system. This control system they already use to control other parts of the factory from the control room. With this study I have developed a new functional description of the plant and it consists of function diagrams which describes how the software controls the plant today. To the function description, I have also made a new technical description and revised the process scheme so that all documentation of the plant says the same thing.
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9

Öijerholm, Mikael. "Aspects of the choice of sampling frequency in the control system of a gas turbine." Thesis, Linköping University, Linköping University, Automatic Control, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-17678.

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At Siemens, plcs are used to control the gas turbines, and to execute the code in the plcs cyclic interrupts are used. If the execution time for the interrupt becomes close to the cyclic time of the interrupt the load of the plc increases. High load levels can lead to situations were segments of code are not executed on time or even not executed at all. In this thesis an analysis of the regulators used to govern a gas turbine has been performed. The purpose of the analysis is to study the performance of the regulators for different cycle times with the aim to be able to reduce the load by sampling more slowly.

To determine the load contribution from each regulator a review of the regulators and their execution times has been made. For the analysis the Matlab program Simulink has been used to make models of the regulators, which have then been sampled at different rates. With this information it is possible to determine for which cycle times each regulator has accepetable performance and how much load each regulator contributes with. A save of load of approximately 2 percent can be obtained without loosing too much performance.

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Persson, Matilda. "Uppgradering av en hylskaps styrsystem : Med fokus på användarvänlighet." Thesis, Högskolan i Gävle, Avdelningen för elektronik, matematik och naturvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-26023.

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BillerudKorsnäs i Gävle är ett pappersbruk som tillverkar två typer av kartong: vätskekartong och White Top Liner. Varje höst genomförs ett veckolångt stopp där all produktion stoppas för att möjliggöra för underhåll, reparationer och nyinstallationer. Ett av projekten i årets höststopp innefattar en uppgradering av styrsystemet som tillhör hylskapen på pappersmaskin 4. För att installationen och driftsättningen av systemet ska ske effektivt krävs det att så mycket som möjligt är förberett. I denna rapport redovisas arbetet som har genomförts för att programmera det nya styrsystemet och en ny operatörspanel samt implementera en ny servodrift. Målsättningen var att färdigställa komponenterna så långt som möjligt och samtidigt på ett så bra sätt som möjligt så att uppgraderingen resulterar i en klar förbättring av hylskapens styrning. Operatörspanelen ansågs ha stor betydelse för förbättringen och därför lades mycket fokus på att skapa ett användarvänligt användargränssnitt. Metoden som användes vid utvecklingen hade dock kunnat förbättras för att utnyttja tiden mer effektivt. För att få en uppfattning om hylskapens funktion gjordes en mindre fallstudie. Det utfördes även intervjuer med alla skiftlag för att uppmärksamma eventuella önskemål gällande förbättrande funktioner. Under intervjuerna diskuterades även användargränssnittet vilket resulterade i att det fick en design som alla operatörer var nöjda med. Styrsystemet programmerades utifrån det gamla programmet men modifierades med de nya funktionerna, som till exempel servodrift och kalibreringsalternativ. Programmeringen testades kontinuerligt under hela arbetet i en testrigg bestående av en servodrift, ett styrsystem och en operatörspanel. Arbetet resulterade i att servot kunde styras via operatörspanelen på det sätt som efterfrågades. Uppgraderingen leder förhoppningsvis till att hanteringen av operatörspanelen förenklas. Flexibiliteten hos operatörspanelen gav möjlighet till att utöka hylskapens funktioner på ett smidigt sätt som inte varit möjligt tidigare, vilket förenklar ytterligare utveckling.
BillerudKorsnäs in Gävle is a paper mill that manufactures liquid-packaging board as well as white top liner (WTL). A week-long manufacturing stop is carried out each autumn so that repairs, maintenances, and installations can be accomplished. One of the projects that are going to be commissioned this autumn is about upgrading the control system of the core cutter associated with board machine 4. It is necessary that every component is prepared optimally so that the installation and commissioning runs effectively. This report describes the preparatory work that has been done to the control system, an operator panel, and a servo drive. The objective was to prepare every component in the best possible way so that the results of the upgrade would be significant improvements of the core cutter. The operator panel was considered important in the development and a lot of work was therefore put into creating a user-friendly interface. However, the method that was used to develop the interface could have been improved to make it more time efficient. A small case study was conducted to grasp an understanding of the core cutter functions. Interviews were done with the operators to understand better their ideas about enhancing certain features. The user interface and its design were also discussed during the interviews, resulting in a layout that the operators were pleased with. The control system program was based on the old control program in which new functions were added into, e.g., the servo drive and a calibration function. Various devices and their programs were also tested throughout the whole project using a test rig. The test rig contained a control system, an operator panel, and a servo drive with a motor. The result was successful. It was possible to control the servo drive with the operator panel. Hopefully the upgrade leads to a major improvement of the core cutter control. The flexibility of the new operator panel created new possibilities to streamline the functions better than before and thus simplifies further development.
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Books on the topic "PLC Siemens"

1

Commission, Monopolies and Mergers. The General Electric Company PLC, Siemens AG and the Plessey Company PLC: A report on the proposed mergers. London: HMSO, 1989.

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Commission, Monopolies and Mergers. The General Electric Company plc, Siemens AG and the Plessey Company plc: A report on the proposed mergers. London: H.M.S.O., 1989.

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Tubbs, Stephen P. Programmable Logic Controller (PLC) Tutorial, Siemens Simatic S7-200. Stephen Philip Tubbs, 2007.

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Tubbs, Stephen Philip. Programmable Logic Controller (PLC) Tutorial, Siemens Simatic S7-1200. Stephen P. Tubbs, 2016.

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STEP 7 : una manera fácil de programar PLC de Siemens. Alfaomega, 2010.

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Book chapters on the topic "PLC Siemens"

1

Qi, Liang, and Shengjian Huang. "CPP Control System Design of Ship Based on Siemens PLC." In Lecture Notes in Electrical Engineering, 817–26. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0539-8_81.

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Oprzedkiewicz, Krzysztof, Marek Chochol, Waldemar Bauer, and Tomasz Meresinski. "Modeling of Elementary Fractional Order Plants at PLC SIEMENS Platform." In Lecture Notes in Electrical Engineering, 265–73. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-09900-2_25.

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Bouraiou, Ahmed, Ammar Neçaibia, Saad Motahhir, Mohammed Salah Bouakkaz, Issam Attoui, Nadir Boutasseta, Rachid Dabou, and Abderrezzaq Ziane. "Supervision and Monitoring of Photovoltaic Systems Using Siemens PLC and HMI." In Digital Technologies and Applications, 1147–57. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73882-2_105.

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Kumar, Abhishek, Peeyush Garg, Ajay Shankar, and Namrata Kar. "Implementation of a Temperature Control Process Trainer Through PID Controller Designed with Siemens S7-1200 PLC and HMI." In Advances in Communication, Devices and Networking, 453–60. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3450-4_49.

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Herbst, Sven, and Alexander Hoffmann. "Einführung." In Product Lifecycle Management (PLM) mit Siemens Teamcenter, 1–19. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9783446446496.001.

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Herbst, Sven, and Alexander Hoffmann. "Mein Teamcenter – die Basisanwendung." In Product Lifecycle Management (PLM) mit Siemens Teamcenter, 21–92. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9783446446496.002.

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Herbst, Sven, and Alexander Hoffmann. "Active Workspace – Informationen an jedem Ort." In Product Lifecycle Management (PLM) mit Siemens Teamcenter, 93–107. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9783446446496.003.

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Herbst, Sven, and Alexander Hoffmann. "Datensicherheit für jeden." In Product Lifecycle Management (PLM) mit Siemens Teamcenter, 109–32. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9783446446496.004.

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Herbst, Sven, and Alexander Hoffmann. "Struktur-Management – Stücklisten und deren Verwendung." In Product Lifecycle Management (PLM) mit Siemens Teamcenter, 133–60. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9783446446496.005.

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Herbst, Sven, and Alexander Hoffmann. "Viewer und Lifecycle Viewer – ein Bild sagt mehr als Attribute." In Product Lifecycle Management (PLM) mit Siemens Teamcenter, 161–81. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9783446446496.006.

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Conference papers on the topic "PLC Siemens"

1

Dinis, Corina M., Gabriel N. Popa, and Angela Iagar. "Control of mechanism for pushing trucks using siemens PLC." In 2016 International Conference on Applied and Theoretical Electricity (ICATE). IEEE, 2016. http://dx.doi.org/10.1109/icate.2016.7754659.

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Quan, Zeyu, Xin Yuan, Yuntao Zhu, and Zhengyang Wang. "Real-Time Flow Control System Based on Siemens PLC." In 2019 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE, 2019. http://dx.doi.org/10.1109/icma.2019.8816328.

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"Design of Wastewater Treatment Control System Based on Siemens PLC." In 2018 2nd International Conference on Computer Science and Intelligent Communication. Clausius Scientific Press, 2018. http://dx.doi.org/10.23977/csic.2018.0904.

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Sile Ma, Qingmei Chen, Guangliang Li, Xiaohu he, and Huiquan Wang. "Label checking system of flat bottles based on siemens PLC." In 2010 8th World Congress on Intelligent Control and Automation (WCICA 2010). IEEE, 2010. http://dx.doi.org/10.1109/wcica.2010.5554079.

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Zhou, Ling, Jie Chen, and Lixin Xu. "The Research and Application of Freeport Communication of SIEMENS PLC." In 2008 International Seminar on Future BioMedical Information Engineering (FBIE). IEEE, 2008. http://dx.doi.org/10.1109/fbie.2008.94.

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Ma, Qiu-huan, Yu-jie Chen, and Feng Fei. "Application of Siemens S7-200 PLC in the Cable Dynamic Monitoring System." In 2017 7th International Conference on Applied Science, Engineering and Technology (ICASET 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/icaset-17.2017.56.

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Chang, Ruokui, and Wu Zhang. "Design Demonstration System of SIEMENS S7 Series PLC Network Based on PROFIBUS." In 2016 International Conference on Automatic Control and Information Engineering. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icacie-16.2016.13.

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Hui, Henry, and Kieran McLaughlin. "Investigating Current PLC Security Issues Regarding Siemens S7 Communications and TIA Portal." In 5th International Symposium for ICS & SCADA Cyber Security Research 2018. BCS Learning & Development, 2018. http://dx.doi.org/10.14236/ewic/ics2018.8.

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Luo, Jiaqi. "Design of Automatic Control System for Pickling Line Based on Siemens PLC." In 2020 IEEE 9th Joint International Information Technology and Artificial Intelligence Conference (ITAIC). IEEE, 2020. http://dx.doi.org/10.1109/itaic49862.2020.9338922.

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Ganin, Pavel, and Alexander Kobrin. "Modeling of the Industrial Manipulator Based on PLC Siemens and Step Motors Festo." In 2020 International Conference on Information Technology and Nanotechnology (ITNT). IEEE, 2020. http://dx.doi.org/10.1109/itnt49337.2020.9253205.

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