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

October 1, 2018

Two Way Switch Logic

PLC Program for Two Way Switch Logic

Two ways light logic often used in staircase.Learn how to write PLC program for this light control logic in home or building.

Click on image for more detail