Author: dosupply

Omron PLC vs Allen Bradley PLC

PLCs are programmable controllers that are specially designed for applications in the industry. Before the advent of PLC, the industrial control system was a relay contractor system. However, these relay systems had many disadvantages, such as complicated wiring, longer durations for designing and production, problematic maintenance, fewer functionalities, and a variety of adaptations difficulties. PLCs…

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Why Do Some VFDs Have Brakes?

A Variable Frequency Drive(VFD) is a power conversion electronic device used to control the speed of an AC induction motor, by converting a fixed frequency, fixed AC supply voltage to a variable frequency AC voltage input to the motor. And since the frequency is directly proportional to RPM (Revolutions per Minute), the RPM speed of…

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What Does I/O do on a VFD?

VFD is a motor control device used in electromechanical systems, which drives an electric motor and controls its speed and torque by changing the frequency and voltage of the power supply. Why VFD?  The modern VFD drives are capable of integrating networks and diagnostic capabilities for better control performance and more productivity. So, we can…

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RX3i CPU Selection Guide

A) CPE400 The RX3i CPU series has only one standalone CPU (IC695CPE400). It functions independently, unlike other models which are usually plugged into a backplane. Two mounting possibilities are facilitated; mount on a DIN rail or install in a cabinet. The CPE400 is the latest and most advanced CPU with unmatched processing power, performance, and…

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90-30 Series vs RX3i Series

The 90-30 series of programmable logic controllers (PLCs) by General Electric (GE) was launched in 1991. This series has been serving automation control requirements of the industry for many years. This series provided flexibility and modularity, making it the primary choice for field professionals. In comparison, the RX3i is a programmable automation controller system, abbreviated…

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