Channel & Physical Interface Configuration

• Channel Definition: 8 single-ended analog input channels, shared common ground reference, no inter-channel galvanic isolation; supports jumper-switched voltage/current input mode per channel
• Matching Accessories: Exclusive pairing with cFP-CB-1 screw terminal blocks and cFP-BP-4/cFP-BP-8 backplanes; incompatible with legacy FP-TB series terminal bases
• Status Indicators: 2 global green LEDs (POWER, READY) + 1 red over-range LED for out-of-bound signal alert
• Hot Swap Performance: HotPnP powered hot swapping, no backplane bus crash or adjacent module data corruption during live plugging
• Mechanical Parameters: Single-width compact cFP form factor, bare module weight 98 g, flame-retardant PC housing, IP20 indoor dust protection

Core Analog Input Electrical Parameters

• ADC Architecture: 12-bit successive approximation register (SAR) ADC, different from delta-sigma ADC used on cFP-AI-111, faster response but lower noise filtering performance
• Voltage Input Ranges: ±30 V, ±15 V, ±5 V, ±1 V, 0–30 V, 0–15 V, 0–5 V, 0–1 V and other 3 extended low-level ranges
• Current Input Ranges: 0–20 mA, 4–20 mA, ±20 mA; fixed 100 Ω built-in shunt resistor for current sampling
• Input Impedance: 1 MΩ parallel with 11 pF for voltage mode; 100 Ω fixed impedance for current mode
• Synchronous Update Rate: 360 Hz simultaneous sampling for all 8 channels, no independent channel rate adjustment

Accuracy & Noise Rejection Specifications

• Total Static Accuracy @25 ℃: ±(0.1% reading + 0.1% full scale), higher error than cFP-AI-111 for precision measurement
• Temperature Drift: 45 ppm/℃ gain drift, 3.5 μV/℃ offset drift across full temperature range
• CMRR & Crosstalk: >90 dB common-mode rejection at 50/60 Hz; channel-to-channel crosstalk <0.01% full scale
• Input Overrange Tolerance: ±35 V continuous voltage overrange, ±25 mA continuous current overrange without hardware damage
• Onboard Diagnostics: Open-circuit detection for 4–20 mA loops, automatic fault flag output for broken transmitter wiring

Isolation & Safety Compliance

• Isolation Structure: Galvanic isolation between field analog side and backplane communication/power bus; no inter-channel isolation
• Dielectric Withstand Index: 2,300 Vrms 5-second transient impulse withstand, 250 Vrms continuous CAT II field-to-backplane isolation
• Explosive Environment Certification: UL/ATEX/IECEx certified for Class I Div 2 Groups A/B/C/D T4, Zone 2 non-sparking hazardous locations
• Basic Safety Standards: IEC 61010-1, UL 61010-1, CSA C22.2 No.1010.1, Pollution Degree 2 indoor dry environment only
• Altitude Derating: Isolation voltage reduced by 30% when operating above 2000 m altitude

Environmental & Shock-Vibration Reliability

• Operating Temperature: -40 ℃ ~ 70 ℃ full-range rating with no parameter derating
• Storage Temperature: -55 ℃ ~ 85 ℃, 10%–90% RH non-condensing humidity for transportation and storage
• Random Vibration: 5 grms 10–500 Hz compliant with IEC 60068-2-64
• Mechanical Shock: 50 g 3 ms half-sine operational shock, 30 g 11 ms transportation shock
• EMC Grade: CE/FCC/C-Tick Class A industrial electromagnetic emission, compliant with EN 61326 immunity standards

cFP-AI-100 vs cFP-AI-111 Core Contrast

• Channel Count: AI-100 = 8 channels; AI-111 = 16 channels (double density)
• ADC Type: AI-100 SAR ADC (fast fixed sampling); AI-111 Delta-Sigma ADC (configurable noise filtering)
• Signal Type: AI-100 voltage + current dual universal input; AI-111 only current input
• Update Rate: AI-100 fixed 360 Hz; AI-111 configurable 1.23s~0.29s variable rate

Compatibility Matching List

• Matching Backplanes: cFP-BP-4 (4-slot), cFP-BP-8 (8-slot) Compact FieldPoint backplanes
• Matching Controllers: cFP-2120, cFP-2220 Ethernet remote FieldPoint controllers
• Matching Terminal Blocks: cFP-CB-1 universal screw terminal block (non-isothermal, fully compatible)
• Official Replacement Model: NI-9207 C-series 8-channel universal voltage/current analog input module
• Official Status: Fully end-of-life, no official firmware updates or factory repair, only aftermarket tested inventory

Software Compatibility

• Required Drivers: NI-FieldPoint legacy driver suite, NI-VISA underlying communication driver
• Configuration Tools: NI MAX, FieldPoint standalone I/O configuration utility
• Development Software: LabVIEW 2019 and earlier versions, LabWindows/CVI
• Supported OS: Windows XP/7/10; no native Windows 11 driver, incompatible with LabVIEW 2021+ releases

Pros & Limitations

• Pros: Dual voltage/current universal input without external signal conditioning, open-loop fault diagnosis for current loops, dedicated over-range alarm indicator, wider voltage input range than AI-111, low static power consumption, hazardous location certification, hot-swap maintenance
• Limitations: Only 8 channels with lower density, fixed non-adjustable sampling rate, poorer high-frequency noise suppression than delta-sigma AI-111, no inter-channel isolation, discontinued official technical support

Official Product Images & Visual Reference

• Front Panel Render: Standard grey cFP housing, extra red over-range LED besides dual global status LEDs
• Assembly Photo: cFP-AI-100 paired with cFP-CB-1 installed on cFP-BP-8 backplane
• AI-100 vs AI-111 Contrast: Identical exterior size, only front LED quantity and internal ADC circuit differ
• Document Source: NI official user manual 370278A, unwatermarked factory original images