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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.
How PLC store a program?
how a plc stores a programme and executes it
Where can I get PLC training classes?
I think scan time is a reliable site where you can get PLC training classes and you can get your certificate that will qualify you for a better job in the future.
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."
How do you program the plc?
A PLC programm is basically a correlation between inputs and outputs, you can program this in one or a combination of the following languages: Ladder logic Statement list Function blocks However to communicate with the PLC you'll need an specific software provided by the manufacturer i.e. Step 7 for Siemens or RSLogix for AB
Why you use two switches on PLC for start and stop?
The reason you have to use two switches (a combination of start and stop push button) on PLC is because it is how the program is written.
How can a portable computer assist an engineerer?
You can use it to program PLC's (programmable logic controllers)
How do you Program an Allen Bradley PLC?
By using a programming terminal / pc/laptop with development software. For a control logix family of AB make PLC, install RSlogix5000 software on a laptop and connect to plc on its suitable port, say Ethernet.
State the step taken by the plc when during a scan cycle it encounters a hardware error?
The question is too vague: what kind of hardware error, what kind of error message is being printed, who programmed the PLC, what actions did the programmer take when an error is detected...
Where are the local programmable logic controller training classes?
There is a PLC Technician Certificate training program that can be completed online. The program can be completed at your own pace, when and where you want.
Explain online and off-line programming for PLC what is their advantages and disadvantages?
Off-line programming: allows development and modification of programs without having to be connected to the PLC processor On-line programming: ability to create and modify and monitor program sequences and data while the PLC processor is on-line and in the RUN mode
What is the software used in PLC?
The software used to program PLC's (Programmable Logic Controllers) differs from one manufacturer to the next. There is no universal software. However, one of the most common forms of programming found is called the "ladder diagram".
