PLC Test 2/ PLC prac ce test/ PLC's Chapter. 2 With
complete solu on RATED A+ NEW EDITION 100% PASS
List the 5 advantages for using a PLC in a produc on environment - Ans Flexibility
Pilot Running
Visual Observa on
Speed of observa on
Reliability
What does PLC stand for? - Ans Programmable Logic Controller
What is a PLC? - Ans Digitally operated electronic system for industrial environment which
uses programmable memory for the internal storage of user-oriented instruc ons
List 4 reasons for using a PLC - Ans complete control of the process
consistency
Improve quality
Work in hazard environments
produc vity
,List 3 disadvantages of using PLC - Ans Large number of modules
Loss of power
Used just RAM
Some PLCs have a _______ supply that you can use - Ans Built in power
Draw a box of a PLC system - Ans 1) processor (control room)
2)power supply
3) input signal (instrument)
4)output signal(final element)
The ________ is considered the brains of the PLC - Ans CPU
(T/F) Input modules can read several voltages at once - Ans False
Low voltages inputs are versa le and can be connected to high voltage lines - Ans False
PLCs use the______number system to operate - Ans Binary
Analog signals which are on or off signals are used to to control PLC outputs - Ans False
List 4 types of input switches used in PLCs - Ans Flow switches
Pressure switches
Limit switches
, Foot switches
Another term used for digital inputs is ________ inputs - Ans Discrete
List the two parts of push bu:on switch - Ans Operator part
Contacts
______ switches are primarily uses to detect liquid level in a tank - Ans Float
Foot switches are also called ______ switches - Ans Dead man
Draw the symbol for a normally open push bu:on switch - Ans |
———-
————0 0————-
A push bu:on switch can be _______ - Ans Momentary open or maintained closed
The most widely used input device in industry today is the_______ - Ans Limit switch
Draw the symbol for a normally open link switch - Ans ———0 0———-
—————
complete solu on RATED A+ NEW EDITION 100% PASS
List the 5 advantages for using a PLC in a produc on environment - Ans Flexibility
Pilot Running
Visual Observa on
Speed of observa on
Reliability
What does PLC stand for? - Ans Programmable Logic Controller
What is a PLC? - Ans Digitally operated electronic system for industrial environment which
uses programmable memory for the internal storage of user-oriented instruc ons
List 4 reasons for using a PLC - Ans complete control of the process
consistency
Improve quality
Work in hazard environments
produc vity
,List 3 disadvantages of using PLC - Ans Large number of modules
Loss of power
Used just RAM
Some PLCs have a _______ supply that you can use - Ans Built in power
Draw a box of a PLC system - Ans 1) processor (control room)
2)power supply
3) input signal (instrument)
4)output signal(final element)
The ________ is considered the brains of the PLC - Ans CPU
(T/F) Input modules can read several voltages at once - Ans False
Low voltages inputs are versa le and can be connected to high voltage lines - Ans False
PLCs use the______number system to operate - Ans Binary
Analog signals which are on or off signals are used to to control PLC outputs - Ans False
List 4 types of input switches used in PLCs - Ans Flow switches
Pressure switches
Limit switches
, Foot switches
Another term used for digital inputs is ________ inputs - Ans Discrete
List the two parts of push bu:on switch - Ans Operator part
Contacts
______ switches are primarily uses to detect liquid level in a tank - Ans Float
Foot switches are also called ______ switches - Ans Dead man
Draw the symbol for a normally open push bu:on switch - Ans |
———-
————0 0————-
A push bu:on switch can be _______ - Ans Momentary open or maintained closed
The most widely used input device in industry today is the_______ - Ans Limit switch
Draw the symbol for a normally open link switch - Ans ———0 0———-
—————
