Description

The NI CFP-AI-111 is a high-density, 16-channel analog input module designed for National Instruments’ Compact FieldPoint distributed I/O system, providing robust industrial-grade signal acquisition capabilities for demanding applications. This advanced module serves as a critical interface between analog field instruments and the control system, offering precise measurement and conversion of various voltage and current signals into high-resolution digital data. The NI CFP-AI-111 excels in handling multiple signal types including ±10V, ±5V, 0-20mA, and 4-20mA inputs from transducers, sensors, and transmitters, making it exceptionally versatile for industrial measurement applications. Its rugged design incorporates enhanced protection against voltage transients, superior noise immunity, and extended operating temperature range, ensuring reliable performance in the most challenging industrial environments.

Engineered with National Instruments’ measurement expertise, this module delivers exceptional 16-bit resolution accuracy that captures minute signal variations critical for precise monitoring and control decisions. The NI CFP-AI-111 features individually software-configurable input channels with programmable filtering, providing unmatched flexibility to adapt to different measurement requirements without hardware modifications. The module seamlessly integrates with the Compact FieldPoint platform, offering built-in signal conditioning, removable screw-terminal connectivity, and hot-swappable capability for maintenance-free operation. With its high channel density, laboratory-grade accuracy, and industrial ruggedness, the NI CFP-AI-111 represents an optimal solution for distributed measurement applications where precision, reliability, and flexibility are essential requirements.

CFP-AI-111 NI

Technical Specifications

Parameter Name	Parameter Value
Product Model	CFP-AI-111
Manufacturer	National Instruments (NI)
Product Type	16-Channel Analog Input Module
Input Channels	16 single-ended
Input Types	Voltage: ±10V, ±5V, ±1V; Current: 0-20mA, 4-20mA (with external resistor)
Resolution	16 bits
Accuracy	±0.1% of reading ±0.05% of range
Sampling Rate	1 kS/s aggregate (62.5 S/s per channel)
Input Impedance	10 MΩ (voltage mode)
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	1.5 W typical
Isolation	250 VAC channel-to-bus

Main Features and Advantages

The NI CFP-AI-111 delivers superior measurement performance through its 16-bit resolution and software-selectable input ranges, enabling precise acquisition of diverse signal types without hardware reconfiguration. Each of the 16 input channels provides individual configuration capability, allowing different signal types and ranges to be mixed on the same module, significantly reducing hardware requirements and system complexity. The module incorporates advanced programmable low-pass filtering that effectively reduces noise while maintaining measurement integrity, ensuring clean and reliable data for critical control decisions. Built-in overvoltage protection (±30V continuous) safeguards the module and connected field devices from accidental voltage spikes, while high common-mode rejection (>90dB) ensures accurate measurements in electrically noisy industrial environments.

The rugged industrial design of the NI CFP-AI-111 enables reliable operation in extreme conditions with an extended temperature range (-40°C to +70°C) and robust construction that resists vibration, shock, and electrical interference. The module features hot-swappable capability, allowing for maintenance and replacement without system shutdown when used in appropriate configurations, maximizing system uptime and availability. 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-111 seamlessly integrates with NI’s LabVIEW and other programming environments, providing a complete solution for industrial measurement applications with reduced development time and increased reliability through extensive driver support and example code libraries.

Application Field

The NI CFP-AI-111 is extensively deployed across various industries requiring high-channel-count analog measurements in distributed or harsh environments. In industrial automation and manufacturing, it is used for multi-point machine condition monitoring, production equipment sensor networks, and quality control measurement systems. The energy and utilities sector utilizes this module for power distribution monitoring, equipment performance tracking across multiple points, and renewable energy system management with extensive sensor arrays. In process industries, the NI CFP-AI-111 handles multi-parameter monitoring for temperature, pressure, flow, and level measurements across distributed plant areas.

Research and development facilities employ the module for multi-channel test stand instrumentation, structural testing applications, and prototype validation requiring numerous measurement points. The water and wastewater industry uses it for comprehensive plant monitoring, chemical dosing control systems, and distributed process parameter acquisition. Building automation systems utilize the NI CFP-AI-111 for environmental monitoring across multiple zones, energy management systems, and facility management applications. Essentially, any application requiring reliable, high-density analog measurements in distributed or environmentally challenging locations benefits from the high channel count and robust performance of the NI CFP-AI-111 module within the Compact FieldPoint platform.

CFP-AI-111 NI

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