A Programmable Logic Controller (PLC) is a specialized computing system widely used to control real-time industrial processes and assemblies. The block diagram of a generic PLC is shown in Figure 1.

Automation of manufacturing process by implementing a PLC based operation in Engine division in Tata Motors,India. Tools used: – PLC Siemens S7-300 – Ladder Logic ImplementationThe machine is located ...

Narrow-band low-frequency power-line communications (NB LF PLC) is a hot topic these days. Engineers creating PLC modems must consider which PLC standard (PRIME, G3, S-FSK) will be used and which ...

In part one of this series, we looked at the PLC’s internal architecture, briefly discussed Ladder Logic programming, Human-Machine Interfaces, advantages of the PLC’s ability to react consistently ...

While robot original equipment manufacturers (OEMs) each offer their own tightly integrated controllers, recent developments now enable control by a programmable logic controller, or PLC. For ...

Power line communication (PLC) is a communication technology that sends data over existing power cables. This technology can send both power and data between PLC nodes in a half-duplex manner.

Power-line communications (PLC) is becoming a key communications technology. Thanks to new standards and a flood of new chips and products, PLC is finding a place in home area networks (HANs), the ...