Instrumentation for Solar Photovoltaic System Efficiency Monitoring Through Modbus Protocol

Kumar, Sonu; Sethuraman, C.

doi:10.1109/iceca.2018.8474601

Cited by 4 publications

(1 citation statement)

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“…In paper [14], the authors present Modbus TCP and Modbus RTU to implement a double-layer monitoring network. In paper [15], the authors describe an energy monitoring system based on the Modbus protocol and present the tests using 250 W and 500 W resistive loads.…”

Section: Introductionmentioning

confidence: 99%

Industrial Internet of Things Gateway with OPC UA Based on Sitara AM335X with ModbusE Acquisition Cycle Performance Analysis

Ventuneac,

Gaitan

2024

Sensors

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This article presents the hardware and software architectures used to implement the Modbus Extension (ModbusE) IIoT gateway, the performance of the acquisition cycle at the PRU real-time programmable core level, the acquisition cycle communication flow—dispatcher—OPC UA server (Linux)—OPC UA client (Windows) as well as the performance analysis of data communications between the IIoT ModbusE gateway and the OPC UA client (Windows). In order to be able to implement both the ModbusE acquisition cycle and the OPC UA server, the BeagleBone Black Board was chosen as the hardware platform. This board uses the Sitara AM335x processor (Texas Instruments (TI), Dallas, TX, USA) from Texas Instruments. Thus, the acquisition cycle was implemented on the PRU0 real-time core, and the OPC UA server, running under the Linux operating system, was implemented on the ARM Cortex A8 processor. From the analysis of the communication speed of the messages between the OPC UA client and the ModbusE servers, it was found that the ModbusE acquisition cycle speed was higher than the acquisition speed of the OPC UA client.

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Section: Introductionmentioning

confidence: 99%