Eurotherm Process Controller T640 was a highly popular, long-running (over 20 years) multi-loop process controller, known for its robust, micro-sized Digital Control System (DCS) capabilities, integrating multiple loops and offering networking (LIN, Modbus) for industrial automation, especially in glass manufacturing. While obsolete, its legacy continues with modern replacements offering advanced data handling, connectivity (Industry 4.0/IIoT), and simplified interfaces, though many older units remain in reliable service due to their durability.
Key Characteristics:
- Multi-Loop Control: Handled multiple control loops within a single unit, a significant feature for complex processes.
- Networked System: Allowed integration into larger systems using protocols like Modbus and proprietary LIN.
- User Interface: Featured alphanumeric displays, loop status indicators, alarms, and keypad access (with optional security keys) for configuration.
- Applications: Widely used in demanding environments, particularly glass manufacturing, for precise temperature and process management.
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