October 26, 2018

Power supply for the PLC

Power supply for the PLC

A power supply is needed to provide power to the PLC and any other
Modules in the panel.

Power supplies come in various forms:
Power supply
External power supply
Standalone power supply

October 19, 2018

List of items required when working with PLC.

List of items required when working with PLC.

Programming device (laptops or PC).

PLC software .PLC manufactures have their own software for programming.
Communication cable

Back up copy of the ladder program.

Documentation (ladder program, operation manuals etc. and drawing.

PLC advantages and disadvantages

PLC advantages.

It can handle much more instructions.
Less and simple wiring
More flexibility.
Lower cost
Faster response
Easier troubleshoot
Remote control capability.
Communication capability.

PLC disadvantages.
Most PLCs makers supply solely closed architectures for his or her product.

PLC were designed for relay logic.
To maximize PLC performance and adaptability, variety of elective Modules should be other