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The NI CFP-AI-100 is a high-performance, 8-channel analog input module specifically designed for National Instruments’ Compact FieldPoint programmable automation controller (PAC) system. This robust module serves as a critical interface between analog field instruments and the control system, providing precise measurement and conversion of various analog signals into digital data for processing. The NI CFP-AI-100 excels at handling voltage and current inputs from transducers, sensors, and transmitters, making it an ideal solution for distributed I/O applications in harsh industrial environments. Its rugged design incorporates protection against voltage transients, noise immunity, and wide operating temperature range, ensuring reliable operation in demanding conditions.
As part of NI’s industry-leading measurement hardware family, this module delivers laboratory-grade accuracy to industrial applications with 16-bit resolution that captures even the smallest signal variations. The NI CFP-AI-100 features software-configurable input ranges and filtering options, providing flexibility to adapt to different measurement requirements without hardware changes. The module seamlessly integrates with the Compact FieldPoint platform, offering built-in signal conditioning, screw-terminal connectivity, and hot-swappable capability for easy maintenance. With its combination of high accuracy, rugged construction, and flexible configuration, the NI CFP-AI-100 provides an optimal solution for industrial measurement and control applications where precision and reliability are paramount.
CFP-AI-100 NI
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | CFP-AI-100 |
| Manufacturer | National Instruments (NI) |
| Product Type | 8-Channel Analog Input Module |
| Input Channels | 8 single-ended or 4 differential |
| Input Types | Voltage: ±10V, ±5V, ±1V, ±500mV, ±200mV, ±100mV, ±50mV; Current: 0-20mA, 4-20mA (with resistor) |
| Resolution | 16 bits |
| Accuracy | ±0.1% of reading ±0.05% of range (typical) |
| Sampling Rate | 1 kS/s aggregate (125 S/s per channel) |
| Input Impedance | 10 MΩ (voltage mode), 250 Ω (current mode with resistor) |
| Overvoltage Protection | ±30 V continuous (channel-to-ground) |
| Common-Mode Rejection | >90 dB @ 50/60 Hz |
| Operating Temperature | -40°C to +70°C |
| Connection Type | Removable screw terminal block |
| Power Consumption | 1.2 W typical |
Main Features and Advantages
The NI CFP-AI-100 delivers exceptional measurement performance through its 16-bit resolution and software-selectable input ranges, enabling precise acquisition of both large and small signals without hardware reconfiguration. Each input channel provides individual configuration capability, allowing different signal types and ranges to be mixed on the same module to maximize application flexibility. The module incorporates advanced signal processing features including programmable low-pass filtering that effectively reduces noise while maintaining measurement integrity. Built-in overvoltage protection (±30V) safeguards the module and connected equipment from accidental voltage spikes, while high common-mode rejection (>90dB) ensures accurate measurements in electrically noisy environments.
The rugged industrial design of the NI CFP-AI-100 enables reliable operation in harsh conditions with extended temperature range (-40°C to +70°C) and resistance to vibration, shock, and electrical noise. The module features hot-swappable capability, allowing for maintenance and replacement without system shutdown when used in appropriate configurations. Integrated diagnostics provide continuous monitoring of module health and signal integrity, while the removable screw-terminal block simplifies wiring and maintenance procedures. The NI CFP-AI-100 seamlessly integrates with NI’s LabVIEW and other programming environments, providing a complete solution for industrial measurement and control applications with reduced development time and increased reliability.
Application Field
The NI CFP-AI-100 is extensively deployed across various industries requiring precise analog measurements in distributed or harsh environments. In industrial automation, it is used for machine condition monitoring, process parameter acquisition, and quality control measurements. The energy sector utilizes this module for power monitoring, equipment performance tracking, and renewable energy system management. In manufacturing applications, the NI CFP-AI-100 handles sensor measurements for production equipment, environmental monitoring, and facility management systems.
Research and development facilities employ the module for test stand instrumentation, data acquisition systems, and prototype validation. The water and wastewater industry uses it for flow measurement, chemical dosing control, and process monitoring. Transportation systems utilize the NI CFP-AI-100 for vehicle testing, track side monitoring, and infrastructure management. Essentially, any application requiring reliable, high-accuracy analog measurements in distributed or environmentally challenging locations benefits from the robust performance and flexible configuration of the NI CFP-AI-100 module within the Compact FieldPoint platform.
CFP-AI-100 NI
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CFP-1801: Power supply module for system power requirements
