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Instrumentation - INST 244

Electrical Control Systems

• Describe the definition and physical meaning of electrical quantities (DC/AC voltage, current, impedance, power etc). Measure and solve these quantities given certain conditions.
• Analyze different connection of circuits and calculate related quantities.
• Choose proper electrical tools and use, organize them; understand potential electricity hazards, electrical safety and protection measures; choose and read various electrical instruments.
• Identify commonly-used electrical logic circuits; recognize and draw electrical symbols.
• Label numerical cross-reference, wire reference numbers and other symbols on line diagrams.
• Understand line diagram rules; read, analyze, design and draw line diagrams for various motor control circuits.
• Describe basic logic functions using control devices and draw the illustration diagrams; give application examples.
• Describe and recall the principles of electromagnetism and related rules.
• Describe and recall the principles of AC/DC manual contractors, motor starters and their structures. Be able to troubleshooting common motor control circuit problems.
• Describe and recall the principle of overload protection mechanism. Wire magnetic contactor.
• Describe and recall the principles of generators, transformers and motors. Explain the structure and applications of different types of generators and motors.
• Describe and recall the principle, characteristics of magnetic solenoids; explain and analyze the applications of solenoids in various application circumstances.
• Name and describe the function of motor control devices.
• Read, analyze and draw basic time delay logic control circuits; be able to read wiring diagrams of timers and wire them.
• Draw operational diagrams for timer circuits.
• Find the timing code for timing circuits and describe their behaviors.
• Describe different timer control methods and wire.
• Describe PLC advantages, usage, structure and applications; turn line diagram into PLC programming diagram. Be able to use the AB RSLogix 500 software to control discrete components with specified logics.