Overview

The Foxboro 761CNA-AT belongs to the 761 Series of Single Station Micro Controllers, which extend the capabilities of the earlier 760 Series. This module is engineered for demanding closed-loop control applications where accuracy, flexibility, and reliability are essential. Moreover, it integrates advanced compensation features such as lead/lag, impulse, and dead-time functions, enabling engineers to fine-tune complex process variables. In addition, the controller supports algebraic computation and Boolean logic, making it suitable for multi-variable strategies and batch control.

Technical Data

Typical Applications

• Chemical and Petrochemical Plants: Used for precise control of pressure, temperature, and flow loops.

• Power Generation: Applied in boiler control and energy management systems requiring stable closed-loop regulation.

• Water Treatment Facilities: Ensures accurate pH monitoring and dosing control.

• Batch Processing: Suitable for pharmaceutical and food industries requiring flexible batch control.

• General Industrial Automation: Provides reliable single-station control for diverse process variables.

FAQ

Q1: What makes the 761CNA-AT different from the 760 Series?
A1: It adds advanced compensation functions, Boolean logic, and expanded communication options for more complex control strategies.

Q2: Can it handle cascade control configurations?
A2: Yes, the 761 Series supports single-station cascade control, making it ideal for multi-loop processes.

Q3: Is the controller suitable for pH monitoring?
A3: Absolutely. It includes a dedicated pH display and supports direct sensor integration.

Q4: How reliable is the memory system?
A4: The module uses nonvolatile memory, ensuring data retention even during power loss.

Q5: Which industries benefit most from this controller?
A5: It is widely used in chemical, energy, water treatment, and batch manufacturing sectors.