List any our input and output of PLC.

List any our input and output of PLC.
by

1 Answer

Answer :

Typical PLC inputs 

1) Push Button 

2) Selector Switch 

3) Proximity switch 

4) FOOT switch, level switch 

5) Analog input 

Typical PLC outputs 

1) Contactor Coil, solenoid, relay 

2) Indicating Lamp 

3) Buzzer 

4) Alaram annunciator
by

Related questions

List typical inputs and outputs for PLC (four input and any four output).

Description : List typical inputs and outputs for PLC (four input and any four output).

Last Answer : Typical PLC inputs  Push Button  Selector Switch  Proximity switch  FOOT switch, level switch  Analog input  Typical PLC outputs  Contactor Coil, solenoid, relay  Indicating Lamp  Buzzer  Alaram annunciator

List any four input and four output devices used with PLC.

Description : List any four input and four output devices used with PLC.

Last Answer : Input device: 1. Push button. 2. Temperature switches. 3. Limit switches. 4. Pressure switches. 5. Level Switches. 6. Proximity Switches. Output devices: 1. Motor. 2. Display. 3. Heater coil. 4. Relay. 5. Lamp. 6. Buzzer.

Drawthe PLC ladder diagram of ON-OFF control of lamp. Write the input and output devises.

Description : Drawthe PLC ladder diagram of ON-OFF control of lamp. Write the input and output devises.

Last Answer : Diagram:

State any two input and output devices of PLC

Description : State any two input and output devices of PLC

Last Answer : Input Devices of PLC: i) Selector switches ii) Push buttons iii) Binary encoders iv) Mechanical/magnetic Limit switches v) Inductive/ capacitive/optical proximity switches vi) Analog transducers ... /Lamps v) Solenoids vi) Continuous/ discrete valves vii)Analog/digital indicators/recorders etc.

Draw and explain analog input module of PLC.

Description : Draw and explain analog input module of PLC.

Last Answer : Analog input module are used for supplying analog input signal to PLC. Analog signals are generated by transducers, potentiometers. PLCs analog input module consists of analog-to-digital converter (ADC). ... of PLC. PLC reads the binary number and takes further decision based on the required logic 

How a PLC can be used to handle an analog input? Justify.

Description : How a PLC can be used to handle an analog input? Justify.

Last Answer : Diagram:-- Explanation: For analog operation, the level of a PLC input signal is sensed by an analog input module, like in a data acquisition system when input parameters may ... first converted into machine code and then the necessary control signals are generated to the output module. 

List and explain the different counters of PLC in detail.

Description : List and explain the different counters of PLC in detail.

Last Answer : A counter in PLC is an instruction equivalent to mechanical counter. A counter block of PLC has two control inputs, Count line and Reset line. When count line makes FALSE-to-TRUE transition, the counter ... down counter. The up-down counter has three inputs, count up, count down and reset.

(i) List and explain the types of ROM. (ii) List any four advantages of PLC.

Description : (i) List and explain the types of ROM.  (ii) List any four advantages of PLC.

Last Answer : ROM types  1) PROM  2) EPROM  3) EEPROM  1) PROM: - (Programmable Read Only Memory): In this memory it may be programed once and once only, by the user/programmer. The user than programs ... signals.  10) PLC can provide security for ladder programming.  11) Speed of PLC is in milliseconds.

Draw typical wiring details & four specifications of AC output module of PLC.

Description : Draw typical wiring details & four specifications of AC output module of PLC.

Last Answer : The below figure show the basic field wiring for digital 120V AC output module. The Wiring diagrams show how wires of output devices are connected to screw terminals of PLC modules. As per the wiring ... excessive current from damaging the wiring to the field devices.  Specifications:-

Draw a block diagram of digital output module of PLC.

Description : Draw a block diagram of digital output module of PLC.

Last Answer : Block diagram of digital output module of PLC:

List & explain the timer instruction of PLC. Draw the ladder diagram to verify (i) OR gate& (ii) NOR gate logic

Description : List & explain the timer instruction of PLC. Draw the ladder diagram to verify (i) OR gate& (ii) NOR gate logic 

Last Answer : Depending on the time delay and operation, there are two types of timers  * PLC timer- (i) ON delay timer  (ii) OFF delay timer Description (i) ON delay timer 1) This instruction counts time interval when ... a) OR gate ladder diagram y = A + B b)NOR gate ladder diagram

List advantages and applications of PLC.

Description : List advantages and applications of PLC.

Last Answer : The advantages of PLC are as follows: 1. Flexible in Nature: One model of PLC can be used for different operations as per requirement. 2. Easy to install and troubleshooting: In hard ... 1.Continuous bottle filling system 2.Batch mixing system 3.stage air conditioning system 4.Traffic control 

List any two advantages and any two disadvantages of PLC.

Description : List any two advantages and any two disadvantages of PLC.

Last Answer : Advantages of PLC: i) Increased productivity ii) Increased product quality iii) Increased flexibility and convertibility iv) Reduced manpower v) Reduced cost of product vi) Better inventory control vii) Increased ... v) PLCs are not very good at handling large amount of data, or complex data.

Differentiate between RAM & ROM in PLC memory

Description : Differentiate between RAM & ROM in PLC memory

Last Answer : RAM ROM Random access memory Read Only memory Used for storing temporary data Used for storing fixed data such as programs Data is lost when power is removed Data is retained in case of power loss  Read write speed is quite faster Write operation is slow

Explain the function of ROM & RAM memory of PLC.

Description : Explain the function of ROM & RAM memory of PLC. 

Last Answer : Read Only Memory (ROM) is used by PLC for storing operating system. The operating system is programmed by the manufacturer.  Random access memory (RAM) is a Read Write memory and used by ... store temporary data like status of I/O pins, temporary results of calculations, timer counter values etc.

State advantages of PLC.

Description : State advantages of PLC.

Last Answer : 1) Flexibility. 2) Implementing changes & correcting errors. 3) Speed of operation. 4) Reliability & maintainability. 5) PLCS are smaller in size & can operate Number of devices at a time. 6) ... on CRT or LCD screen. 8) Error occurred in operation can be very easily observed and diagnosed.

Draw the block diagram for PLC power supply and explain the function of each block.

Description : Draw the block diagram for PLC power supply and explain the function of each block.

Last Answer : PLC power supply generates the required dc voltage levels for operation of the internal circuit of PLC. It is a switched mode power supply which accepts wide range of AC/ DC input ... of power failure from AC input, Battery backup becomes active and prevents accidental shut down of PLC

Define opto-isolator. Explain the role of opto-isolator in PLC.

Description : Define opto-isolator. Explain the role of opto-isolator in PLC.

Last Answer : Role of optoisolator in PLC: An optoisolator is a semiconductor device that uses a short optical transmission path to transfer an electrical signal between circuits or elements of a ... disruptions, optoisolators offer a safe interface between high-voltage components and low-voltage devices.

Draw a neat labelled diagram of PLC. Explain the function of each block.

Description : Draw a neat labelled diagram of PLC. Explain the function of each block.

Last Answer : Block Diagram of PLC:-  A simplified block diagram of a PLC shown in above Fig. It has three major units/sections.  I/O (Input/Output) Modules.  CPU (Central ... membrane keypad for program entry, and a display device (LED or LCD) for viewing program steps of functions. 

Explain ON delay timer and OFF delay timer of PLC.

Description : Explain ON delay timer and OFF delay timer of PLC.

Last Answer : On delay timer operates such that when rung containing timer is true, the timer starts counting time ticks. At the end of timer preset time period, output is made active. The off- ... is an operation to turn OFF output when preset time expires after a predetermined input is given.

Explain how a Programmable Logic Controller (PLC) is different from an ordinary personal computer. Also write the advantages and disadvantages of PLC.

Description : Explain how a Programmable Logic Controller (PLC) is different from an ordinary personal computer. Also write the advantages and disadvantages of PLC.

Last Answer : PLC PC 1 It has embedded processor with limited computing power It has a CPU with high computing power  2 Design of PLC is for reliable operation in industrial ... 3) Use of PLCs may be restricted in some high heat, vibration environment not suitable for electronic circuit

The cycle time of a PLC is the time it takes to

Description : The cycle time of a PLC is the time it takes to   (a) read all the input signals. (b) read all the input signals, run the program and update outputs. (c) read an input signal. (d) check all the input signals against the program.  

Last Answer : The cycle time of a PLC is the time it takes to read all the input signals, run the program and update outputs.

List any two ratings of digital input and digital output module each.

Description : List any two ratings of digital input and digital output module each.

Last Answer : Ratings of Digital Input Module: i) Rated voltage & current: +24V DC at 4mA/120V AC at 6mA/230V AC at 9mA ii) Specified operational voltage range: 0-30V DC/ 264V AC. iii) Absolute maximum input voltage: + ... / 2A for relay type/0.5A AC vi) Rated current/common: 6A DC/8A for relay type/0.5A AC

Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.

Description : Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.

Last Answer : 1. In positive half cycle (0 to Π): The end A of the secondary winding becomes positive and end B negative. This makes diode D1 and D4 forward biased while diode D2 and D3 are reverse biased. These two diodes will ... D2 and D3 when it is conducting is as follows.  B - D2 - RL - D3 - A 

Compare BJT common base configuration with common collector configuration on the basis of (i) Current gain (ii) Voltage gain (iii) Input impedance (iv) Output impedance

Description : Compare BJT common base configuration with common collector configuration on the basis of (i) Current gain (ii) Voltage gain (iii) Input impedance (iv) Output impedance

Last Answer : Parameter Common Base Common Collector Current gain Low (About 1) High (1+β) Voltage gain High 1  Input impedance  Low High Output impedance High Low

The largest change of input quantity for which there is no output of instrument is called ______

Description : The largest change of input quantity for which there is no output of instrument is called ______ A) Dead time B) Dead input C) Dead output D) Dead zone

Last Answer : The largest change of input quantity for which there is no output of instrument is called Dead zone

A J -K flip-flop with J= 1 and K= 1 has a 20 kHz clock input. The Q output is :

Description :  A J -K flip-flop with J= 1 and K= 1 has a 20 kHz clock input. The Q output is : (A) Constant and low (B) Constant and high (C) A square wave with 20 kHz frequency (D) A square wave with 10 kHz frequency

Last Answer : a

A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is:

Description : A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is: A. 8.57% B. 42.85% C. 4.28% D. 85.7%

Last Answer : A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is: 85.7%

What is the Output voltage of Op-amp for input voltage of Vi1=150 μV,Vi2=140 μV if the amplifier ...

Description : What is the Output voltage of Op-amp for input voltage of Vi1=150 μV,Vi2=140 μV if the amplifier has differential gain of Ad=4000 and value of CMRR is 100. 

Last Answer : i don know

What is a PLC Memory?

Description : What is a PLC Memory?

Last Answer : Memory is the component that stores information, programs, and data in a PLC. See more..... projuktiponnoThe process of putting new information into a memory location is called writing. The process of ... When a new ladder logic program is loaded into a PLC's memory, the old program that was

What is plc inverter?

Description : What is plc inverter?

Last Answer : This allows the 3G3MV increased intelligence and autonomy for tasks such as positioning and synchronization. Combining the inverter and PLC eliminates the cost and delay of point-to- ... enhanced speed, positioning and function control for the application being controlled. See More industrialstorebd

Why we use PLC?

Description : Why we use PLC?

Last Answer : CPU or processor: The main processor (Central Processing Unit or CPU) is a microprocessor-based system that executes the control program after reading the status of field inputs and then sends ... separate device (generally a PC), loaded with HMI (Human Machine Software).know more plcinverterhmi

What does plc mean ?

Description : What does plc mean ?

Last Answer : The Plc is an acronym for Please .

Is McDonalds a ltd or plc?

Description : Is McDonalds a ltd or plc?

Last Answer : Need answer

An Inside Look at Lloyds TSB Bank Plc?

Description : An Inside Look at Lloyds TSB Bank Plc?

Last Answer : Although Lloyds TSB Bank Plc was technically founded in 1995, the history of this important British clearing bank dates all the way back to 1765. Over the years, the bank has grown to become one ... was traded under the name Lloyds Bank Limited throughout the majority of the 20th Century. In 1995,

Where can I find PLC training classes in Columbus, OH?

Description : Where can I find PLC training classes in Columbus, OH?

Last Answer : There are several PLC training classes in Columbus, OH. An online search or visiting local colleges are good places to find training classes. You should access the websited Findaseminar.com. ... online for up to thirty days. Findaseminar also schedules conferences, onsite training and workshops.

What is PLC programming and who uses it?

Description : What is PLC programming and who uses it?

Last Answer : PLC stands for "programmable logic controller". PLC's are usually used to control machinery in automated processes such as manufacturing. PLC programmers usually complete a trade school certificate before starting their careers.

What's PLC programming training?

Description : What's PLC programming training?

Last Answer : A PLC programming training is what is known as Programming Language connection. It is basic computer software building. It commands your computer to do certain things.

Designing And Programming PLC Units?

Description : Designing And Programming PLC Units?

Last Answer : A programmable logic controller is a small computer device that records information in real time and sends the results to another location. These instruments are commmonly found in automobiles, heavy ... often change how their products behave, meaning that new PLC units are constantly being created.

What are some companies that offer PLC programming training?

Description : What are some companies that offer PLC programming training?

Last Answer : Many technical training colleges and institutes offer PLC programming training courses. Some of these include AmericanTrainCo.com, GBTechTraining.com, PLCTechnician.com and many others.

What is PLC programming training?

Description : What is PLC programming training?

Last Answer : I would suggest you look into the news paper of your local community or look for in the news boards of the community college or community centers that's in your town

Choosing the Best PLC Training?

Description : Choosing the Best PLC Training?

Last Answer : A programmable logic controller, or PLC technician, is a professional who designs, installs and repairs automated control systems and other equipment in manufacturing facilities. PLC technicians are highly ... technician, there are dozens of programs, workshops and schools for you to choose from.

Finding and Choosing PLC Training Classes?

Description : Finding and Choosing PLC Training Classes?

Last Answer : Finding the right PLC training classes means doing some research and thinking about what one wants from a program. This is a chance to really invest in a great degree and program that can link ... one's career and education are affected which is why people need to take this decision seriously.

What is the best way to larning PLC Program?

Description : What is the best way to larning PLC Program?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

What is the best way to larning PLC Program?

Description : What is the best way to larning PLC Program?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

What is the purpose of DIODE across the interposing coils in PLC?

Description : What is the purpose of DIODE across the interposing coils in PLC?

Last Answer : To dissipate the stored energy in magnetic field of the interposing coils (Free wheeling action). If it is not provided the stored energy will affect the PLC card circuit.

What is the difference between PLC and DCS?

Description : What is the difference between PLC and DCS?

Last Answer : Ans-PLC means Programmable Logic Controller, which can be used to control one particular control system such as a boiler or a injection system. but DCS is Distributed control syetem, which is used ... the total process plant. in DCS we have no of controllers connected to a single monitoring system.

What is the difference between DCS & PLC & SCADA ?

Description : What is the difference between DCS & PLC & SCADA ?

Last Answer : Ans-PLC stands for Programmable Logic ControllerDCS for Data control SystemSCADA for Supervisory Control And Data Acquisition SCADA involves supervision by a user in most cases the plant controller.Whereas PLC ... ystem already in it but for PLC sydtem addition all SCADA software must be provided.

Lewis PLC is breaking down and classifying costs to determine which are associated with specific marketing activities. Lewis is performing a A)marketing cost analysis. B)sales analysis. C)marketing audit. D)cost audit. E)variable cost analysis.

Description : Lewis PLC is breaking down and classifying costs to determine which are associated with specific marketing activities. Lewis is performing a A)marketing cost analysis. B)sales analysis. C)marketing audit. D)cost audit. E)variable cost analysis.

Last Answer : A)marketing cost analysis.

Electro PLC has centralised marketing operations with personnel who direct marketing research, distribution, sales, advertising, and so forth reporting directly to the marketing director. The marketing department is organised by A)product. B)region. C)types of customers. D)function.

Description : Electro PLC has centralised marketing operations with personnel who direct marketing research, distribution, sales, advertising, and so forth reporting directly to the marketing director. The marketing department is organised by A)product. B)region. C)types of customers. D)function.

Last Answer : D)function.