Chapter 1

Question 0

Interface

Answer 0

Two systems come together and interact, or communicate

Question 1

Four main components of a PLC

Answer 1

Programming Device
Processor Unit
Power Supply
I/O Interface

Question 2

Discrete

Answer 2

I/O devices that are either ON or OFF, open or close

Question 3

Real World

Answer 3

Actual devices that exist and must be physically wired.

I/O outside the PLC

Question 4

Analog

Answer 4

Devices that have a range of possible values

Question 5

LED
CPU
PLC
ADC

Answer 5

Light Emitting Diode
Central Processing Unit
Programmable Logic Controller
Analog-to-Discrete Converter

Question 6

DAC
NEMA
LCD
PC

Answer 6

Discrete-to-Analog Converter
National Electrical Manufacturing Association
Liquid Crystal Display
Personal Computer

Question 7

Two types of programming styles

Answer 7

Hand-held

PC

Question 8

Relay Ladder Logic is a high-level graphic computer language

Answer 8

True

Question 10

Major advantage of PLC over traditional hard wired system

Answer 10

Faster
Reliable
Regular relay system
Flexible
Can be reprogrammed

Question 11

Input devices can be run on

Answer 11

120V AC
24V AC
24V DC