Mar 28, 2024  
Course/Program Inventory 
    
Course/Program Inventory

ELM 4030 - Advanced Pneumatics



Clock Hours: 60

Delivery Mode
on-ground

Prerequisites: Maintenance Associate Diploma

Course Description:
This course covers electrical circuits and ladder diagrams for pneumatic applications and expands upon the introductory program with pneumatic applications demonstrating pneumatic controls, programmable controllers, sensors, proportional, and servo controls.  The covered applications are based on those encountered in the industry.  The introductory program is a prerequisite for this course.

Student Learning Outcomes:
Introduction to Electrical Control of Pneumatic Systems  

  • Identify the Pneumatics II Training System Components 
  • To safely operate the trainer 

Familiarization with the Equipment 

  • Identify the components of the Lab-Volt Pneumatics II Training System 
  • To describe the function of each of the following parts of an electrical control circuit: input element, controller element and actuating mechanism. 

Basic Electricity  

  • To measure voltage, resistance, and current in an electrical control circuit; 
  • To test the operation of an electrical control circuit; 

* To be aware of the safety rules to follow when using electrical equipment to control a pneumatic system. 
Ladder Diagrams 

  • To explain how the ladder diagram relates to pneumatic circuity; 
  • To assemble and operate basic ladder diagrams; 
  • To learn the rules for drawing ladder diagrams; 
  • To describe the operation of an electromechanical control relay. 

Basic Electrically Controlled Pneumatic Circuits 

  • To introduce cylinder reciprocation; 
  • To describe the function and operation of magnetic proximity switches;
  • To describe the function and operation of quick exhaust valves; 
  • To introduce indirect control using solenoid-operated directional valves. 

Basic AND and OR Logic Function Circuits  

  • To describe the function and operation of the AND function valve and the shuttle valve (OR function); 
  • To assemble and test circuits using these functions. 

Basic Memory and Priority Electropneumatic Circuits 

  • To show how a directional valve can memorize a signal and maintain a position; 
  • To demonstrate how to lock and unlock electro-pneumatic circuits; 
  • To describe the function and operation of limit switches. 

Multi-pressure Systems  

  • To see how to manage multiple-pressure control to create a shift in the force exerted by an actuator; 
  • To describe the operation of a pressure switch; 
  • To use a solenoid-operated directional valve as a pressure selector valve to select between two or more operating pressures. 

Sequencing Pneumatic Circuits 

  • To introduce pneumatic sequencing of cylinders; 
  • To introduce the function and operation of sequence valves; 
  • To introduce cascade circuits. 

Time-Delay Electro-Pneumatic Applications 

  • To introduce time delays; 
  • To describe the operation of a time-delay valve; 
  • To describe the operation of a time-delay relay.

Pneumatic Actuator Deceleration Circuits 

  • To introduce cushioned cylinders; 
  • To learn about electrical deceleration of cylinders; 
  • To introduce speed control of pneumatic motors. 

Counting of Actuator Cycles 

  • To describe the operation of an electrical counter; 
  • To assemble and test a continuous reciprocation system; 
  • To extend and retract a cylinder a definite number of times using an electrical counter; 
  • To describe the operation of a photoelectric switch; 
  • To measure the rotation speed of a motor using an electrical counter. 

Industrial Drilling System and Safety Circuits 

  • To assemble and test an industrial-type drilling system; 
  • To describe the purpose of a safety circuit; 
  • To assemble and operate a basic two-hand safety circuit; 
  • To assemble and operate a two-hand, non-tie down safety circuit. 

Garbage Compactor Simulation Circuit 

  • To assemble and test an electro-pneumatic circuit that simulates a well-known application: a garbage compactor; 
  • To design the electrical section of the circuit.

Troubleshooting Electrical Control Circuits  

  • To locate instructor-inserted faults in the electrical control section of an electrically controlled drilling system; 
  • To apply the voltmeter and ohmmeter methods of troubleshooting. 

Troubleshooting Electrical Controlled Pneumatic Systems  

  • To learn how to troubleshoot electrically controlled pneumatic systems.