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Programmable Logical Controllers

Course developer

Course abstract

The aim of the study course is to acquire with flexible automation, programmable logic controllers (PLCs), their use, structure, programming, connection to the controlled object. Programming languages ​​are acquired: ladder diagrams, structured text, block diagrams, creation of familiar control algorithms. PLC connection diagrams, input and output signals, sensors and actuators, PLC control visualization, PLC via GSM and LAN were studied.

Learning outcomes and their assessment

Knowledge - Origin, structure, usage and programming of programmable logic controllers, connection to the controlled object - practical works;
Skills - to use PLC, program it and connect it, use automatic control circuits and algorithms - practical work;
Competence - ability to choose PLC, create automatic control schemes using PLC - practical works, test.

Course Content(Calendar)

Full time intramural studies:
1. PLC structure, connection and programming (Lecture – 1h).
2. Programming of logical functions AND, OR, NOT, XOR with ladder diagrams (Lecture – 2h, Practical work - 1h).
3. Programming of start-up, shut-off, interlocking, reservation algorithms with ladder diagrams (Lecture – 2h, Practical work - 1h).
4. Programming the timer and counter with the ladder diagrams (Lecture – 2h, Practical work - 1h).
5. Programming of switching on, off and mutual blocking algorithms with structured text (Lecture – 2h, Practical work - 1h).
6. Timer and counter programming with structured text (Lecture – 2h, Practical work - 1h).
7. Development of a control program for electro-pneumatic circuits (Lecture – 1h).
8. Use of HMI for graphic visualization of the management process (Lecture – 2h, Practical work - 1h).
9. Use of PLC analog inputs and outputs (Lecture – 2h, Practical work - 1h).
10. Use of Registry Information in Management Process (Lecture – 1h).
11. Use of high-speed counters (Lecture – 2h, Practical work - 1h).
12. Impact of the program on controller speed (Lecture – 1h).
13. Use of GSM network for PLC management and data exchange (Lecture – 1h).
14. Increasing Controller Performance (Lecture – 1h).
15. Selection and installation of programmable controls (Lecture – 1h).
16. Use of Adaptive PID Controllers (Lecture – 1h).
Part time extramural studies:
All topics specified for full time studies are accomplished, but the number of contact hours is one half of the number specified in the calendar

Requirements for awarding credit points

Test.
Accumulative test.
Regular attendance (at least 75%).
Includes independent work, developed and defended practical works.

Description of the organization and tasks of students’ independent work

In addition to studying informative materials according to the theme of practical work, the amount of independent work is 48 hours.

Criteria for Evaluating Learning Outcomes

Ability to use the knowledge gained in practical work, to use PLC programming languages.
Ability to handle programmable logic controllers, know PLC capabilities and teach you to choose the most appropriate devices for practical solutions.

Compulsory reading

1. Galiņš A., Leščevics P. Programmējamie loģiskie kontrolleri. Jelgava: LLU, 2008. 135 lpp.
2. Mikroelektronikas komponentes un pamatshēmas. M. Frohn, W. Oberthur, H. Siedler, M. Wiemer, P. Zastrow. Tulkoja: E. Proveja, Ā. Servuta, Tehniskie korektori: P. Leščevics, A. Galiņš, A. Kaķītis, A. Vārna. Valmiera: VPIC, 2003. 512 lpp.
3. Kaķītis A., Galiņš A., Leščevics P. Sensori un mērīšanas sistēmas. Jelgava: LLU, 2008. 395 lpp.

4. Leščevics P., Galiņš A. Elektronika un sakaru tehnika: Mācību līdzeklis. Jelgava: LLU, 2008. 121 lpp.

Further reading

1. The Moeller Wiring Manual. Automation and Power Distribution. 2 nd. edition. Editor: Heidrun Riege. Moeller GmbH, Bonn, 2006. 546 p.

Notes

The course is included in IITF “Computercontroll and Computerscience” Bachelor's Study Program.