Product Overview
The National Instruments cFP-2020 is a controller for Compact FieldPoint systems. It combines a real time processor with network communication and support for Compact FieldPoint I/O modules. The controller is designed for distributed industrial measurement and control, where sensors and actuators are spread across a machine or process area.
The cFP-2020 is part of the NI Compact FieldPoint platform, which places signal conditioning and I/O modules close to sensors. The controller runs embedded applications and communicates with supervisory systems over a network. This architecture reduces long cable runs and allows local control decisions to be made near the process.
Real Time Processing
The controller includes a processor running a real time operating system. Real time operation provides deterministic timing for control loops and data acquisition, so critical tasks are not delayed by network activity or user interface functions. This is important in closed loop control and in monitoring applications that must respond within defined time limits.
Applications are developed with LabVIEW Real Time and deployed to the controller. Engineers can build acquisition loops, apply scaling and filtering, log data, and communicate results over the network. The controller manages the application independently of a host computer once deployed.
Network Communication
The cFP-2020 provides network connectivity for programming, monitoring, and integration with enterprise systems. Ethernet communication allows the controller to exchange data with host computers, databases, and supervisory systems. Engineers should plan network addressing, access control, and traffic patterns to ensure reliable operation.
Because the controller is often located in an industrial area, network security should be considered. Isolating the control network from general office traffic and limiting access to authorized hosts reduces the risk of interference. Local buffering of data protects against brief network interruptions and ensures that results are not silently lost.
Compact FieldPoint I/O
The controller supports Compact FieldPoint I/O modules, which include analog input, analog output, digital input and output, and specialty modules. Module types can be selected to match the sensors and actuators in the application. Engineers should verify that the backplane and power supply support the number and type of modules in the planned system.
Module positions and channel mapping should be documented during commissioning. Consistent labeling helps during maintenance and troubleshooting. The distributed design allows the I/O to be mounted near the process, which can reduce installation cost and improve signal quality.
Industrial Installation
Compact FieldPoint hardware is designed for industrial installation. The controller and modules should be mounted where the operating temperature range is respected and where the enclosure protects against moisture, dust, and contaminants. DIN rail mounting is common, and engineers should leave clearance for wiring and ventilation.
Proper grounding and shielding are important for reliable communication and measurement. Network and signal cables should be routed away from power conductors, and shields should be terminated according to the documentation. These practices reduce noise and improve long term reliability.
Typical Applications
Distributed industrial measurement and control
Remote monitoring in process areas
Machine and utility control systems
Environmental and facility data acquisition
Legacy FieldPoint system upgrades
Industrial test stands with spread out sensors
The cFP-2020 provides a Compact FieldPoint controller with real time processing and network communication. Its distributed architecture and industrial design make it suitable for measurement and control applications where sensors are spread across a facility.
