Modbus remains a fundamental backbone protocol across factory automation, power grids, and water treatment facilities. When a programmable logic controller (PLC) or supervisory control and data acquisition (SCADA) system fails to communicate with a sensor, meter, or actuator, a software-based Modbus master is brought in to isolate the issue.
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While it is functional, the software’s simplicity is also its weakness. It lacks advanced logging, modern HMI dashboards, and native support for more complex, newer protocols. It lacks advanced logging, modern HMI dashboards, and
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4.4. Security improvements