What is a programmable logic controller (PLC)?

A programmable logic controller ( PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.

What are programmable logic relays (PLRs)?

In more recent years, small products called programmable logic relays (PLRs) or smart relays, have become more common and accepted. These are similar to PLCs and are used in light industry where only a few points of I/O are needed, and low cost is desired.

Who is the author of programmable logic controller basic level?

Programmable Logic Controllers, Basic Level (Textbook) Author Festo Didactic GmbH & Co. Created Date 8/28/2002 1:26:02 PM

What are the applications of programmable controllers?

Programmable controllers are widely used in motion, positioning, or torque control. Some manufacturers produce motion control units to be integrated with PLC so that G-code (involving a CNC machine) can be used to instruct machine movements. Nano ACE PLC & Chip PLC for small machine builders / Small or medium volumes.

What can you do with a programmable relay?

They combine the functionality of a relay, timer relay, and switch in one unit, so you can program simple automation jobs. Design and operate up to six simultaneous programs without symbols or technical language— the on-screen instructions use simple English.

https://www.youtube.com/watch?v=X8Y_F40voLQ

How does a timer work on a 160 160 programmable logic controller?

160Programmable Logic Controllers 9.2.1 Sequencing As an illustration of the use of a timer, consider the ladder diagram shown in Figure 9.5(a). When the input In 1 is on, the output Out 1 is switched on. The contacts associated with this output then start the timer.

How many answers do you have for 102 programmable logic controllers?

102Programmable Logic Controllers ProblemsQuestions 1 to 19 have four answer options: A, B, C or D. Choose the correct answer from the answer options. 1 Decide whether each of these statements is True (T) or False (F).