What is difference between PLC and SCADA

Answers were Sorted based on User's Feedback



What is difference between PLC and SCADA..

Answer / ankur kumar

Supervisory Control and Data Acquisition
Programmable logic control

Is This Answer Correct ?    121 Yes 46 No

What is difference between PLC and SCADA..

Answer / justin

PLC- programmabale logic controller - more like a micro
controller but program resides in PLC can b modified without
knowledge of C or assembly language. maily used for making
logical flow of a process..

whereas

scada- supervisory control and data acquisition system- this
is software that control two or more PLCs.. Donno in which
laguage this program is written but as far as n
instrumentation engg is concerned we need to control PLCs
from scada.

Is This Answer Correct ?    68 Yes 21 No

What is difference between PLC and SCADA..

Answer / raghavendran prabhu lnt

PLC and SCADA are used in the automation field which is a
booming field now adays

PLC-Programmable Logic Controller
SCADA-Supervisory Control and Data Acquisition.

PLC is very good Programmable storage device which performs
more than few operations in a ckt using timers & counters

SCADA is the process which is used as a monitoring&
controlling device from a single place.

Is This Answer Correct ?    61 Yes 15 No

What is difference between PLC and SCADA..

Answer / naseem ahmed

PLC: PLC is a Micro Processor based Electronic Device which is used to control certain process according to predefined programs which are saved in the PLC. These programs can be change or modified as per the requirement.

SCADA: as its name Implies Supervisory Control and Data acquisition, is used for monitoring and controlling of Processes which displayed graphically. Through SCADA we can do just small changes during the execution of process ( e.g, we can change only value of variables). Also it gives feature like storing, and can communicate to other servers.
Here programming is done in Scripting language.

Is This Answer Correct ?    47 Yes 9 No

What is difference between PLC and SCADA..

Answer / ur rahman

PLC : PLC is a device which is used to control field devices based on the instructions given to it

Scada: Supervisory control means not directly control the field devices monitor the devices and control through the PLC

PLC : Data storage is not possible.

Scada: Gather the required information and store at one place.

Is This Answer Correct ?    30 Yes 5 No

What is difference between PLC and SCADA..

Answer / guna

PLC - Programmable logic controller. Its a hardware, which is directly in contact with field instruments. it works according to the logic written in plc.(EX: like a computer hardware)

SCADA - Supervisory control and data acquisition. Its a software, which shows the out put feed back in visual manner, that plc cant do. (EX: like a computer screen)

Is This Answer Correct ?    18 Yes 4 No

What is difference between PLC and SCADA..

Answer / amit gavali

PLC: PLC is solid state device.......it is one type of controller but SCADA is process which is associated with PLC

Is This Answer Correct ?    1 Yes 0 No

What is difference between PLC and SCADA..

Answer / dhanshri narayane

Plc is the individual computer control system that continuously monitors the state of input devices and make decisions based on custom process and monitors state of output devices.

SCADA is Supervisory Control And Data Acquisition is a system for remote monitoring and control that operates with coded signal over communication channels.

Is This Answer Correct ?    1 Yes 0 No

What is difference between PLC and SCADA..

Answer / tarlochan

plc is part of scada system.

Is This Answer Correct ?    16 Yes 16 No

What is difference between PLC and SCADA..

Answer / rajendra

plc: programable logic controller
by plc we've control monitering and veriable the value also change the programming acording to requirement of process.




scada: supervisory control add data asquistion.




by scada we've control,monitoring and display the system but not change the program.

Is This Answer Correct ?    2 Yes 2 No

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