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A General purpose Ethernet enabled control and data acquisition module based on PIC microcontroller has been developed. This module supports multiple general purpose analog and digital inputs and outputs for interfacing with various equipments. The remote control, configuration and monitoring of the equipment are achieved through an embedded web server. A strict authentication process is built in the web server to access for control and configuration parameters that ensures the operational safety of the equipment under control. At present, this is being used for remote control of the ECR beam line vacuum systems and monitoring of various parameters like dual vacuum Gauge readings, pumping speed etc. These modules form a distributed control architecture enhancing the reliability of the controlled system, enables fast fault diagnostics and thereby reducing the downtime of the system significantly. In this article, the development of the hardware and software for the Ethernet enabled microcontroller based module is presented.
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