Technical Standars for Electrical Systems

LAP 1                           Basic Electrical Circuits  

Objectives

1                                             Define electricity and give an application

2                                             Describe the two types of electrical current and give an application of                                                each

3                                             Describe the function and operation of a circuit tester

4                                             Describe the function of the four basic components of an electric                                            circuit

5                                             Describe the operation of two types of power supplies and give their                                         schematic symbols

6                                             Describe the function of an electrical schematic

7                                             Describe the operation of a manual switch

8                                             Describe the operation of N.O. and N.C. contacts and give their                                             schematic symbols

9                                             Describe the function of three types of manual switch operators and                                               give an application of each

10                                         Describe the operation of three types of manual switch operators and                                             give their schematic symbols

11                                         Describe the function of five types of electrical output devices and give                                             an application of each

12                                         Describe the operation of five types of electric output devices and give                                  their schematic symbols

Skills

1                                             Use an AC tester to check a wall outlet for electricity

2                                             Connect and operate a power supply

3                                             Connect and operate a circuit using three types of manual switches

4                                             Connect and operate an electrical circuit with a resistor

5                                             Connect and operate an electrical circuit with a buzzer

6                                             Connect and operate an electrical circuit with a solenoid

7                                             Connect and operate an electrical circuit with a motor

LAP 2               Electrical Measurements

 

Objectives

1                                             Define voltage and give its units of measurement

2                                             Describe the function of two types of voltmeters and give their                                             schematic symbol

3                                             Describe how to use a voltmeter to measure voltage

4                                             Describe the function of two multimeters:  analog and digital

5                                             Define series and parallel circuits

6                                             Describe the voltage characteristics in series and parallel circuits

7                                             Define current and give its units of measurement

8                                             Describe the function of two types of ammeters and give their                                                schematic symbol

9                                             Describe how to use an ammeter to measure current

10                                         Describe the current characteristics in series and parallel circuits

11                                         Define resistance and give its units of measurement

12                                         Describe the function of two types of ohmmeters and give their                                                      schematic symbol

13                                         Describe how to use an ohmmeter to measure resistance

14                                         Describe the resistance characteristics in series and parallel circuits

15                                         Describe two methods of measuring continuity

Skills

1                                             Use an analog voltmeter to measure the voltage at a point                                              referenced to ground

2                                             Use a DMM to measure the voltage of a point referenced to ground

3                                             Use a DMM to measure voltage drops in series and parallel circuits

4                                             Use a DMM to measure the electrical current

5                                             Use a DMM to measure current in series and parallel circuits

6                                             Use a DMM to measure the resistance of a component

7                                             Measure the resistance in series and parallel circuits

8                                             Test the continuity of wires using a DMM

LAP 3               Circuit Analysis

 

Objectives

1                                             State the formula for calculating series resistance and give an                                                   application

2                                             State Ohm's Law, explain its importance and give an application

3                                             State Krichhoff's voltage law for a series circuit and give an                                                        application

4                                             Define power and give its units of measurement

5                                             State a formula for calculating the total power used in an electrical                                        circuit

6                                             State Krichhoff's Current Law and give an application

7                                             State a formula for calculating total parallel resistance

8                                             Describe the function of two types of circuit protection and give an                                                  application of each

9                                             Describe the operation of a fuse and give its schematic symbol

10                                         Describe the operation of two types of circuit breakers and give their                                       schematic symbols

Skills

1                                             Calculate series resistance given each load's resistance

2                                             Use Ohm's Law to calculate voltage, current, and resistance in a series circuit

3                                             Calculate the total power used by a series circuit

4                                             Calculate the main line current in a parallel circuit

5                                             Calculate the total parallel resistance

6                                             Calculate the total power used in a parallel circuit

7                                             Operate a circuit using a fuse

8                                             Test and replace a fuse

9                                             Operate a circuit using a circuit breaker

10                                         Test and reset a circuit breaker

LAP 4               Inductance and Capacitance  

Objectives

1                                             Define electromagnetism and give an application

2                                             Describe the functions of four electromagnetic devices

3                                             Define inductance and give its units of measurement

4                                             Describe the operation of an inductor and give its schematic symbol

5                                             Describe the effect of an inductor in a DC circuit and give an                                                 application

6                                             Describe the effect of an inductor in a AC circuit and give an                                                 application

7                                             State the formulas for calculating total series inductance and                                                 inductive reactance

8                                             State the formulas for calculating total parallel inductance and                                                inductive reactance

9                                             Define capacitance and give its units of measurement

10                                         Describe the operation of a capacitor and give its schematic symbol

11                                         Describe the functions of three types of capacitors

12                                         Describe the effect of a capacitor in a DC circuit and give an                                               application

13                                         Describe the effect of a capacitor in an AC circuit and give an                                               application

14                                         State the formulas for calculating total series capacitance and                                         capacitive reactance

15                                         State the formulas for calculating total parallel capacitance and                                              capacitive reactance

16                                         Describe the function of a fluorescent light fixture

17                                         Describe the function of a RC timing circuit in a time-delay relay

18                                         Describe the function of capacitors and inductors in electric power                                           supplies

Skills

1                                             Connect and operate a relay in a circuit

2                                             Calculate the total load on an AC circuit with inductors

3                                             Discharge a capacitor

4                                             Test a capacitor with a DMM

5                                             Measure the voltage across a charged capacitor

6                                             Calculate the total load on an AC circuit with capacitors

7                                             Calculate the time to charge and discharge a capacitor

LAP 5               Combination Circuits  

Objectives

1                                             Define a series-parallel circuit

2                                             Describe a method for identifying the series and parallel sections of                                                a circuit

3                                             Describe the seven steps for solving a combination circuit

4                                             Describe how switches are used in combination circuits and give an                                                   application

5                                             Describe the function of a variable resistor and give an application

6                                             Describe the function of a voltage divider and give an application

7                                             Describe the operation of three types of voltage dividers

8                                             Explain the effect of a short circuit

9                                             Describe the four steps for troubleshooting a short circuit

10                                         Describe the three basic steps for troubleshooting an open circuit

Skills

1                                             Trace the current path in a combination circuit

2                                             Solve a combination circuit

3                                             Connect and operate a basic lighting circuit

4                                             Connect and operate a ceiling fan circuit

5                                             Connect and operate a rheostat as a light dimmer

6                                             Design a voltage divider network

7                                             Connect and operate a voltage divider network

8                                             Locate an short circuit

9                                             Locate an open circuit

LAP 6               Transformers  

Objectives

1                                             Describe the function of a transformer and give an application

2                                             Describe the operation of a transformer and give its schematic                                                 symbol

3                                             Describe how to calculate the output voltage of a transformer

4                                             Describe how to troubleshoot a transformer

5                                             Describe how to size a transformer

6                                             Describe a transformer's input and output power relationship and                                                    explain its importance

7                                             Describe how to calculate the current load of a transformer

8                                             Describe the function of two basic categories of transformers

9                                             Describe the function of a control transformer

10                                         Describe the function of a tap on the secondary of a transformer and                                               give an application

Skills

1                                             Connect and operate a transformer

2                                             Calculate the secondary coil voltage of a transformer

3                                             Troubleshoot a transformer by measuring continuity

4                                             Size a transformer

5                                             Calculate the current load on a transformer

6                                             Design a control transformer circuit to provide a given line voltage

 

LAP 7               Control Logic

 

Objectives

1                                             Describe the function of relay control logic circuits

2                                             List the six elements of control logic

3                                             Describe the function of AND logic and give an application

4                                             Describe the function of OR logic and give an application

5                                             Describe the function of NOT logic and give an application

6                                             Describe the function of NOR logic and give an application

7                                             Describe the operation of NAND logic and give an application

8                                             Describe the function of MEMORY logic and give an application

9                                             Describe the function of a ladder diagram

10                                         Describe the function of the four components of a ladder diagram

11                                         Explain five rules of drawing a ladder diagram

12                                         Describe the function of a solenoid-operated fluid power valve

13                                         Describe the function of a power diagram

Skills

1                                             Connect and operate an AND logic control circuit

2                                             Connect and operate an OR logic control circuit

3                                             Connect and operate a NOT logic control circuit

4                                             Connect and operate NOR logic control circuit

5                                             Connect and operate a NAND logic control circuit

6                                             Read and interpret the operation of a circuit given a ladder diagram

7                                             Connect and operate a logic circuit given a ladder diagram

8                                             Design a ladder diagram using one or more logic elements

9                                             Connect and operate a circuit using a solenoid valve given a ladder                                                  diagram

10                                         Design a control circuit in a ladder diagram format to operate a                                               solenoid valve

 

 

LAP 8               Sequencing Control

 

Objectives

1                                             Describe the function of an electromechanical relay and give an                                                  application

2                                             Describe the operation of an electromechanical relay and give its                                                   ladder diagram symbol

3                                             Describe the operation of a relay used to energize a fluid power                                                 valve solenoid

4                                             Describe the operation of a relay performing control logic

5                                             Describe the function and operation of a seal-in circuit

6                                             Describe the function of a limit switch and give an application

7                                             Describe the operation of a limit switch and give its schematic                                               symbol

8                                             Describe the operation of a limit switch in an event sequencing circuit

9                                             Describe the operation of a limit switch in a single-cycle cylinder                                               reciprocation circuit

10                                         Describe the operation of a limit switch in an event de-energizing                                               circuit

11                                         Describe the operation of a limit switch in a continuous-cycle                                                   reciprocation circuit

12                                         Describe the operation of a safety interlock circuit

Skills

1                                             Read and interpret a basic ladder diagram with detached symbology

2                                             Connect and operate a relay to energize a fluid power solenoid

3                                             Design a logic circuit that uses a relay

4                                             Connect and operate a relay to perform a seal-in function

5                                             Connect and operate an event sequencing circuit given a ladder                                                 diagram

6                                             Design a logic circuit that uses a limit switch to sequence an event

7                                             Connect and operate a single-cycle cylinder reciprocation circuit

8                                             Connect and operate a continuous-cycle cylinder reciprocation circuit

9                                             Design a continuous-cycle cylinder reciprocation circuit with a safety                                             interlock

 

LAP 9               Timers and Advanced Systems

 

Objectives

1                                             Describe the function of a time-delay relay and give an application

2                                             Describe the operation of an on-delay timer relay and give its                                                     schematic symbol

3                                             Describe the operation of an off-delay timer relay and give it                                                schematic symbol

4                                             Describe the operation of a timer relay in an unloaded motor start                                                   circuit

5                                             Describe the operation of a timer relay in a cylinder dwell circuit

6                                             Describe the operation of a timer relay in time-driven sequencing

7                                             Describe the function of multiple cylinders in a machine

8                                             Describe how multiple cylinders are controlled using one limit switch                                           and give an application

9                                             Describe how multiple cylinders are controlled with multiple limit                                             switches and give an application

10                                         Describe the function of manual and automatic modes in machine                                         operation

11                                         Describe two applications of manual controls

12                                         Describe five basic guidelines to follow when working with manual                                             controls

Skills

1                                             Connect and operate a control circuit with a timer relay

2                                             Design a time-driven traffic light circuit

3                                             Connect and operate a control circuit to perform an unloaded start of                                                       a motor

4                                             Design a control circuit to perform a cylinder dwell

5                                             Design a control circuit to perform time-driven sequencing

6                                             Design a dual-cylinder sequence circuit using one limit switch

7                                             Connect and operate a dual-cylinder control circuit using two limit                                                   switches

8                                             Design a continuous-cycle multiple-cylinder circuit

9                                             Connect and operate a circuit having both automatic and manua l                                              modes of operation

10                                         Connect and operate a control circuit to simulate a two-pushbutton jog                                            circuit

11                                         Connect and operate a two-pushbutton jog circuit that will jog two                                                   cylinders independently

12                                         Design a continuous-cycle, synchronized cylinder circuit with a manual                                           mode