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Some PLC systems can use traditional TCP/IP protocols to exchange information; others use a proprietary packet driven system that differs from manufacturer to manufacturer.
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When PLC's are networked together is called what?
It is called synchronisation of a PLC network.
Different types of protocols in PLC?
PLC can be classified on many factors - Make, Modular type / fixed type, capacity in terms of IO counts it can connect to, memory capacity, processor speed, networking features, moton control features etc....
What makes PLC communicate with SCADA?
There are different communication protocols between PLC and the SCADA. Popular SCADA being PC based, most used communication protocol is ethernet/IP. The PLC tags are used to build the objects in SCADA so that Actions or states or status or parameters of PLC are displayed on SCADA.
What is the difference between PLC and PAC?
A programmable automation controller (PAC) is a compact controller that combines the features and capabilities of a PC-based control system with that of a typical programmable logic controller (PLC). Therefore, the PAC features not only reliability as a PLC but flexibility and power as a PC at the same time. PACs are most often used in industrial settings for process control, data acquisition, remote equipment monitoring, machine vision, and motion control. Additionally, because they function and communicate over popular network interface protocols like TCP/IP, OLE for process control (OPC) and SMTP, PACs are able to transfer data from the machines they control to other machines and components in a networked control system or to application software and databases.
One function of a PLC input interface module is to?
PLC's are used for automation of electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures. just about anything can be controlled because PLC's use microprocessors which can be programmed for a variety of tasks.
What is block diagram of scada system for plc?
supervisory control and data acquisition
What is the difference between a charity and a PLC?
they have different objectives (plc - make profit, charity - help others)plcs owned by shareholders but charity's are owned by and controlled by trustees who volunteercharities dont have to pay business costshope those three were ok :)
What is PLC training?
PLC training teaches people how to program a digital computer that controls processes like runing industrial machines. "Much like any other computer system, a programmable logic controller, or PLC, has to be programmed by someone. PLC training is simply the training course that prepares you to program PLCs."
What is the function of sensor on PLC system?
Sensors send incoming signals either digital or analog to PLC. There are a lot of types of sensors: inductive, capacitive, temperature, optical, etc.
What are the top ten insurance companies in Nigeria?
Staco insurance plc. Leadway insurance plc Law union and rock insurance plc Aiico Niger insurance plc Consolidated hallmark insurance Goldlink insurance plc. Custodian insurance plc NEM insurance plc Mutual assurance plc
What is meant by plc scan time?
PLC Scan Time means plc requires some operating cycle to Plc input verification,Plc output updates and Execution of program.
Where are caradon plc shares?
caradon plc was taken over by novar plc,they have now been taken over by melrose plc. is this usefull
