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"PLC" is the replacement of sequential ckts(and,or gates).relay logics.before the development of plc,s relay logics uses approx 1000,s of wires and 100,s of connections.and the main problem with relay logics is that these wires wered replaced and repaired annualy ,which is a very difficult task and time consumming.so plc is developed to solve the problem.(by faheem khan)comsats abbottabad
What else can I help you with?
Is Australia a developed or less developed country?
It is a developed country other developed countries include the uk, usa and germany. less developed countries are somalia, afganistan and lybia
How is America a developed country?
Developed
Is Chile a more developed country or less developed country?
more developed country.
Is Kenya a developed or developing country?
Developed
Who developed the scale and when did he developed it?
julia davies
Aims of plcs?
PLCs (programmable logic controllers) automate electromechanical processes in factories (particularly automobile factories) and amusement rides.
Where are all the tokens on wimpy boardwalk?
plcs
Why would relays be used in place of PLCs?
na tum jano na hum
Where to find software to program Allen bradley plcs?
Try the Allen Bradley website first?
What is good a job or business?
Programming PLCs is a good field and business to get in. The automation industry is growing at a rapid pace. Many new positions are open for people that can program and troubleshoot a PLC. The largest of the companies that manufacture PLCs are Allen Bradley, Siemens, and Schnieder.
List seven distinct advantages that plcs offer over the conventional relay control system?
ambut...
Can factory talk hmi be used for slc500 plcs?
yes factory talk view can be connected to a scl500.
What has the author Nikolaos Sfetsios written?
Nikolaos Sfetsios has written: 'A new high level language for programming PLCs'
What is profibus communicatio protocol?
Profibus is a field bus standard that contains a set of protocols (located in three levels of the OSI model) that make possible communication between PLCs and distributed I/O modules, HMIs, drives, et cetera. It was developed in the late 80s by several companies (including Siemens).
The 1981 winner of the Man Group PLCs Contemporary Fiction Prize was born in a city formerly known by what name?
Mumbai
Four tasks in addition to relay switching that PLCs are capable of performing?
I. Timing II. Counting III. Calculating IV. Comparing
What is the use of PLC in an industry and why its important?
Programmable Logic Controllers (PLCs) are crucial for various industries for several reasons: Automation: PLCs automate industrial processes by controlling machinery and equipment. This automation improves efficiency, reduces human error, and increases productivity. Industries ranging from manufacturing to energy rely on PLCs to automate tasks such as assembly lines, conveyor belts, and chemical processes. Flexibility: PLCs offer flexibility in programming, allowing for easy customization and reconfiguration of control logic to adapt to changing production needs. This flexibility enables industries to quickly adjust to new product specifications or process requirements without significant downtime. Reliability: PLCs are designed to operate in harsh industrial environments and are built to withstand extreme temperatures, humidity, vibration, and electrical noise. Their robustness ensures reliable operation even in challenging conditions, minimizing downtime and maintenance costs. Data Collection and Analysis: PLCs are often equipped with input/output modules to gather data from sensors and equipment. This data can be used for real-time monitoring of processes, predictive maintenance, quality control, and performance optimization. PLCs can also communicate with higher-level systems such as SCADA (Supervisory Control and Data Acquisition) or MES (Manufacturing Execution Systems) for comprehensive data analysis and reporting. Safety: PLCs play a crucial role in ensuring the safety of industrial operations. They can be programmed to implement safety interlocks, emergency shutdown procedures, and other safety protocols to protect personnel, equipment, and the environment from accidents and hazards. Scalability: PLCs support scalability, allowing for easy expansion or modification of control systems as production requirements evolve or new equipment is added. This scalability enables industries to efficiently grow their operations without the need for extensive reengineering or investment in new control infrastructure. Integration: PLCs can integrate with other automation technologies, such as robotics, motion control systems, and human-machine interfaces (HMIs), to create comprehensive control solutions. This integration streamlines operations, enhances coordination between different components of the production process, and improves overall system performance. Overall, PLCs are indispensable tools for modern industrial automation, providing the foundation for efficient, reliable, and flexible control of manufacturing and production processes across various industries.
