cFP‑AI‑102 (National Instruments)

Compact FieldPoint 8‑Channel High‑Voltage Analog Input Module（12‑bit, EOL）

1. General Description

2. Part Number

• Model: cFP‑AI‑102

• NI PN: 777318‑102

3. Key Specifications

• Channels: 8 independent voltage inputs

• Resolution: 12‑bit ADC

• Input Ranges (software‑selectable):

  • 0–20 V, 0–60 V, 0–120 V

  • ±20 V, ±60 V, ±120 V

• Isolation: 250 Vrms CAT II channel‑to‑earth isolation

• Sampling Rate: 360 Hz total (all channels)

• Accuracy: ±(0.1% reading + 0.1% range)

• Input Impedance: 1 MΩ

• Overvoltage Protection: Withstands 2,300 V transients (I/O and bus)

• Power: 400 mW (from backplane)

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

• Certifications: CE, UL, CSA, FM (hazardous locations)

• Dimensions (W×H×D): 81 × 140 × 41 mm

• Weight: ~120 g

4. Main Features

• High‑voltage measurement: Directly measures up to ±120 VDC (no external dividers)

• Onboard diagnostics: Overrange, open/short‑circuit detection

• Hot‑swap: Online replacement without system shutdown

• Built‑in linearization: Returns scaled engineering units

• High density: 8 channels saves slots and cabinet space

5. Typical Applications

• Industrial high‑voltage monitoring (e.g., DC power supplies, battery banks)

• Process control: High‑level sensor voltage acquisition

• Factory automation: Motor drive and power distribution monitoring

• Legacy Compact FieldPoint system maintenance

6. Replacement

• NI‑9221: 8‑channel, ±60 V, 12‑bit, C Series voltage input module.