AI_230_PLC

AI_230_PLC - Industrial Automation Automation Industrielle...

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Programmable Logic Controllers 2.3 Automates Programmables Speicherprogrammierbare Steuerungen lim TIT TIT_REF_TAB N_GT POST_START_TIMER_MOD 100 0 FAULT_STATE[tit1_oor] FAULT_STATE[tit2_oor] OR TIT_RATE_LIM_DN TIT_RATE_LIM_UP TIT_ERROR TIT_REF_MAX_START WFD_TIT PID K_TIT P TD_TIT D MAX_INT I 17.3 2010 March, HK Industrial Automation Automation Industrielle Industrielle Automation Prof. Dr. H. Kirrmann ABB Research Center, Baden, Switzerland
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Programmable Logic Controllers 2.3 - 2 Industrial Automation 2.3.1 PLCs: Definition and Market 2.1 Instrumentation 2.2 Control 2.3 Programmable Logic Controllers 2.3.1 PLCs: Definition and Market 2.3.2 PLCs: Kinds 2.3.3 PLCs: Functions and construction 2.3.4 Continuous and Discrete Control 2.3.5 PLC Programming Languages 2.3.5.1 IEC 61131 Languages 2.3.5.2 Function blocks 2.3.5.3 Program Execution 2.3.5.4 Input / Output 2.3.5.5 Structured Text 2.3.5.6 Sequential Function Charts 2.3.5.7 Ladder Logic 2.3.5.8 Instruction Lists 2.3.5.9 Programming environment
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Programmable Logic Controllers 2.3 - 3 Industrial Automation PLC = Programmable Logic Controller: Definition Definition: “small computers, dedicated to automation tasks in an industrial environment" cabled relay control (hence 'logic'), analog (pneumatic, hydraulic) “governors” real-time (embedded) computer with extensive input/output Function: Measure, Control, Protect AP = Automates Programmables industriels SPS = Speicherprogrammierbare Steuerungen Formerly: Today: Distinguish Instrumentation flow meter, temperature, position,…. but also actors (pump, …) Control Visualization HMI * in PLCs (when it exists) is limited to service help and control of operator displays *Human Machine Interface
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Programmable Logic Controllers 2.3 - 4 Industrial Automation Simple PLC network binary inputs binary outputs analog inputs / outputs
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Programmable Logic Controllers 2.3 - 5 Industrial Automation PLC in a cabinet CPU1 redundant field bus connection CPU2 inputs/outputs serial connections
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Programmable Logic Controllers 2.3 - 6 Industrial Automation example: turbine control (in the test lab)
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Programmable Logic Controllers 2.3 - 7 Industrial Automation PLC: functions Measure Control (Command and Regulation) •Event Logging •Communication •Human interface Protection ( Messen, Schützen, Regeln = MSR ) PLC = PMC: Protection, Measurement and Control
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Programmable Logic Controllers 2.3 - 8 Industrial Automation PLC: Characteristics • large number of peripherals: 20. .100 I/O per CPU, high density of wiring, easy assembly. • binary and analog Input/Output with standard levels • located near the plant (field level), require robust construction, protection against dirt, water and mechanical threats, electro-magnetic noise, vibration, extreme temperature range (-30C. .85C) • programming: either very primitive with hand-help terminals on the target machine itself, or with a lap-top able to down-load programs. • network connection allowing programming on workstations and connection to SCADA
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This note was uploaded on 01/05/2012 for the course ECEN 212 taught by Professor Hamilton during the Fall '11 term at BYU.

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AI_230_PLC - Industrial Automation Automation Industrielle...

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