National Instruments CompactFPGA System Assembly

Central Controller Processing (cFP-2220)

The National Instruments cFP-2220 is an embedded, high-performance real-time industrial controller designed for distributed control, standalone data logging, and advanced industrial processing. Operating a dedicated real-time operating system, this hardware assembly delivers deterministic execution of control loops developed in standard engineering software environments. The cFP-2220 features integrated Ethernet and serial interfaces, allowing communication with client stations, SCADA systems, and external analytical instrumentation.

The hardware incorporates solid-state memory storage for data logging and program retention alongside non-volatile RAM to safeguard critical state variables against localized power drops, ensuring robust operation in isolated telemetry or plant locations.

Analog Input-Output Processing (cFP-AIO-600)

The cFP-AIO-600 module expands the assembly with multi-channel analog input and output capabilities. This module features high-resolution analog-to-digital and digital-to-analog converters designed to measure and modulate standard industrial current loops and voltage references. Each channel incorporates high-voltage isolation to protect the primary cFP-2220 controller logic from external voltage transients and ground-loop noise common in large facility installations.

Temperature Sensor Interfacing (cFP-TC-120)

For precise thermal monitoring, the cFP-TC-120 module introduces specialized high-density thermocouple input channels. The module features integrated cold-junction compensation circuitry across all ports, ensuring accurate temperature readings across diverse thermocouple types (such as J, K, T, and E calibrations). Onboard digital filters reject fifty and sixty Hertz line noise, ensuring high measurement stability in areas with high electromagnetic fields.

Terminal Termination Architecture (cFP-CB-3)

The cFP-CB-3 is a passive connector block that serves as the secure physical interface for field wiring termination. Featuring rugged screw-terminal configurations, the block mounts directly onto the CompactFPGA backplane frame, allowing for clean routing of shielded instrumentation cables and ensuring consistent electrical contact under high mechanical vibration profiles.

System Deployment and Application

This National Instruments control assembly is widely utilized in industrial pilot plants, remote environmental monitoring stations, structural health monitoring systems, and automated machine testing cells where high-fidelity analog data collection must be tightly coupled with deterministic real-time control logic.