# Industrial Electronics

SKEL 102## Course Description

Prerequisite: SKEL 101. The second course in a series to train electrician apprentices in the theory and application of electronics to industrial control systems. Application of basic electronic devices to industrial control systems will be discussed. Major topics will be digital solid state logic and power control using SCR's and TRIAC's. Troubleshooting techniques and basic test instruments will be discussed and used. (60-0)

## Outcomes and Objectives

### Demonstrate the basic math and theory of industrial electronics.

#### Objectives:

- Distinguish between analog and digital signals.
- Convert numbers to their equivalent in another number system.
- Distinguish between the four number systems.
- Identify binary signals as positive or negative.

### Discuss and apply the uses of data conversion in analog and digital circuits.

#### Objectives:

- Explain two basic methods of digital to analog conversion.
- Explain how the sampling rate affects accuracy.
- Name and explain the error factors in conversion.
- Define and explain the operation of a sample/hold circuit.

### Show a basic proficiency for trouble shooting digital circuits.

#### Objectives:

- Detect and correct construction problems, operator errors, design errors, and various other problems associated with digital circuits.

### Demonstrate the ability to understand semiconductor devices and be able to apply them to practical situations.

#### Objectives:

- Identify symbols used to represent PNP and NPN bipolar transistors.
- Explain the operation of bipolar transistors and mosfets.
- Name and explain the operation of a logic inverter circuit.
- Design a saturated bipolar transistor switching circuit.

### Discuss and implement practical implementation of logic circuits.

#### Objectives:

- Draw the schematic and explain the operation of both diode and switch contactor gates.
- Identify standard symbols for invertors.
- Write a truth table.
- Write a logic equation.

### Use and identify the basic components used in integrated circuits.

#### Objectives:

- Name the types of semicondcutor switching elements used in digital circuits.
- Define the four basic logic characteristics.
- Name four distinct families of digital IC's.
- Select a type of digital IC to implement a given application.

### Use, express and understand Boolean algebra.

#### Objectives:

- Write the Boolean expression for a given logic circuit.
- Write the Boolean expression for a given truth table.
- Write the two versions of DeMorgans thereom.
- Perform Karnaugh Mapping for problems with various input variables.

### Understand the flip flop and register as they apply to sequential logic circuits.

#### Objectives:

- Write a definition of a flip flop.
- Identify the three basic types of flip flop and give basic applications for each.
- Write a definition of a register.
- Measure output states and determine the binary number given a register made with any flip flop.

### Understand and show knowledge of counters, shift registers and clocks.

#### Objectives:

- Name the two most widely used sequential logic circuits and explain their use.
- Explain the operation of shift registers and list four applications.
- Explain the one shot and its operation.
- Determine the count sequence of a counter from a logic diagram.

### Explain the use and application of combinational logic circuits and use them in a circuit.

#### Objectives:

- Name seven types of combinational or functional logic circuits.
- Implement a decoder for any states with nand or nor gates.
- Explain the operation and give three applications for a ROM.
- Define a programmable logic array.

### Explain the use and operation of semiconductor memories.

#### Objectives:

- Draw a block diagram of the hierachy of semiconductor memories.
- Describe the organization of RAM and ROM.
- Name and describe how they operate, and compare two types of read/write memories.
- Name and explain the operation of programmable read only memories.