PLC Tutorials - Instrumentation Tools

PLC Input Output Modules

Every programmable logic controller must have some means of receiving and interpreting signals from real-world sensors such as switches, and

A “discrete” data point is one with only two states on and off. Process switches, push-button switches, limit switches, and

The most elementary objects in Ladder Diagram programming are contacts and coils, intended to mimic the contacts and coils of

Programmable Logic Controller (PLC) Questions and Answers This PLC is being used to start and stop an electric motor, and

PLC tutorial explaining step by step procedure to program PLC for motor starter. Motor starters are of many types however

The following PLC program was written to control the operation of a large electric motor-driven pump. A variety of “permissive”

Ladder Diagram (LD) Programming The most common language used to program PLCs is Ladder Diagram (LD), also known as Relay

Logic circuits, whether comprised of electromechanical relays or solid-state gates, can be built in many different ways to perform the

Every control system may be divided into three general sections: input devices (sensors), controllers, and output devices (actuators). The input

Programmable Logic Controller Questions and Answers The following PLC program was written to control the operation of a large electric