Abstract
Background/Objectives: To introduce a novel achievement in distant access to an I/O port using Frequency and Amplitude Modulations in Power Line Communication (FAMPLC) technique. Methods/Statistical Analysis: FAMPLC is a platform for large signal communication over a power line. A Frequency Modulated Power Supply (FMPS) as a power and data gateway to supply and communicate with the remote (slave) module is developed, which is called the Master (or server) module. The transmission procedure from the slave node to the master unit is performed by use of an active resistance as a dummy load to overlay pulses onto the consumer's current. Results: The experimental outcomes of a full - duplex 16 bits (8 x 8) extended remote I/O module without the requirement of any localized power supply and with the distance range enhancement, up to twelve kilometers are presented throughout this paper. Conclusion/Application : A full-duplex development of a remote I/O module is presented. With this development, an unshielded pair of wires may be used and longer distance range can be achieved.
Highlights
One of the most attractive achievements of the novel technique of FAMPLC belongs to the experimental development of an extended remote I/O
By using FAMPLC technique, this issue will be addressed besides the benefit of reaching longer distance ranges
The transmission procedure from the receiver node to the master module is performed using an active resistance as a dummy load
Summary
One of the most attractive achievements of the novel technique of FAMPLC belongs to the experimental development of an extended remote I/O. A dedicated DC to AC inverter is designed as the power and data gateway for this purpose, which is called the Master (or server) module [4]. This technique is a standalone embedded design containing a square wave Frequency Modulated Power supply (FMPS) and Thevenin Equivalent Converter (TEC) circuitries. According to the fundamental concept of this technique which is exhaustively discussed in [3], as long as the slave node’s circuitry is supplied with sufficient power to drive the active switches, the transmission length can be increased. Practically by increasing the DC voltage level in the inverter block, the length can still be increased proportionally, compensating the voltage drop due to the copper loss
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