LOGO! 8 - High performance at a low price

New features • Eight devices with an onboard Industrial Ethernet interface in a space-saving design (4 MW)  • Crystal-clear display with six lines and three selectable background colors  • Optional LOGO! CMR2020 and CMR2040 communication module  •...

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Simatic ET 200SP CPU / ET 200SP Open Controller

Compact controllers for distributed applications The new Simatic ET 200SP CPU Distributed Controller is a modular distributed controller that is compact and flexible. Thanks to its compact design, it requires little space in the control cabinet. Because it has...

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What can a PLC do? Why do we use them?

The meaning of PLC… “PLC” means “Programmable Logic Controller”, that’s clear. The word “Programmable” differentiates it from the conventional hard-wired relay logic. It can be easily programmed or changed as per the application’s requirement. The PLC also...

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Comparison of Soft Starting and Frequency Converter Motor Starting

Soft starting A soft starter is, as you would expect, a device which ensures a soft starting of a motor. A soft starter has different characteristics to the other starting methods. It has thyristors in the main circuit, and the motor voltage...

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PLC Implementation Of Forward/Reverse Motor Circuit With Interlocking

Forward/Reverse Motor Interlocking Figure 1 illustrates a hardwired forward/reverse motor circuit with electrical and push buttoninterlockings. Figure 2 shows the simplified wiring diagram for this motor. The PLC implementation of this circuit...

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