cFP-AI-111

National Instruments Compact FieldPoint Analog Input Module

General Description

Part Number

Key Specifications

• Channels: 16 single-ended analog input channels

• Resolution: 16-bit ADC

• Input Range: 0–20 mA, 4–20 mA, ±20 mA with 5% overrange capability

• Input Impedance: 100 Ω

• Isolation: 250 Vrms channel-to-chassis isolation

• Sample Rate: Up to 100 samples per second per channel

• Accuracy: Typical ±0.1% full scale

• Nonlinearity: 0.0015%

• Built-in Filter: Selectable 50 Hz, 60 Hz, 500 Hz noise rejection

• Transient Protection: 2300 V transient overvoltage withstand

• Overcurrent Protection: ±30 mA per channel

• Power Consumption: Approximately 1.2 W powered by backplane

• Operating Temperature: -40 °C to +70 °C

• Certifications: CE, UL, CSA, FM hazardous location certified

Main Features

• High-density 16-channel design for large-scale current signal acquisition

• 16-bit high precision for accurate 4–20 mA transmitter measurement

• Optimized exclusively for industrial current loop sensors

• Onboard linearization to output direct engineering units

• Hot-swappable for online module replacement without system shutdown

• Built-in diagnostics for open circuit, short circuit and overrange detection

• Excellent 50/60 Hz power frequency noise suppression

Applications

• Industrial process monitoring with 4–20 mA transmitters

• Pressure, flow, level and temperature measurement

• Factory automation high-channel-count analog sampling

• Environmental and water quality monitoring systems

• Maintenance and retrofit of legacy Compact FieldPoint installations