Abstract
MODBUS protocol is one of the most widely used industrial machine to machine protocol. Among the several variants of MODBUS protocol, MODBUS-RTU is highly preferred protocol as it is easy to implement, very rugged and requires very less memory. The existing MODBUS-RTU has limitations like auto-discovery, emergency triggers from slave and dynamic re-configurability. These limitations will be become more profound when the system is migrated to Industry 4.0 standards. We propose a protocol MODBUS-TR which not only addresses the limitations but also ensures complete backward compatibility with MODBUS slaves.
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Data Availability
The datasets generated and analysed during the current study are available from the corresponding author on reasonable request.
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Kekre, A.M., Kothari, A. MODBUS-TR: Advanced MODBUS-RTU Protocol for IoT with Auto-discovery and Triggers. Wireless Pers Commun 125, 2769–2780 (2022). https://doi.org/10.1007/s11277-022-09684-0
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DOI: https://doi.org/10.1007/s11277-022-09684-0