BNC‑2110

National Instruments Shielded BNC Terminal Block (for DAQ)

1. General Description

2. Key Specifications

Connectors

• Rear: 68‑pin male SCSI‑type I/O (to DAQ card)NI

• Front BNCs (15 total, female):download.ni.com

  • AI 0–7: 8 × BNC analog inputs

  • AO 0–1: 2 × BNC analog outputs

  • PFI 0–1 / TRIG: 2 × BNC for counter/timer/trigger

  • USER 1–2: 2 × BNC user‑defined

  • APFI0/AOEXTREF: 1 × BNC for analog reference

• Front Terminal Block: 30‑pin spring terminal for DIO & timing signalsdownload.ni.com

Signal I/O (Compatible with AT‑MIO‑16E‑2 / E‑Series)

• Analog In: 16 SE / 8 DIFF channels via BNC/terminal

• Analog Out: 2 channels (AO0/AO1) on BNC

• Digital I/O: 8 lines on spring terminal

• Counter/Timer: 2 channels (PFI0/PFI1) on BNC

• Triggering: External trigger BNC

Mechanical & Environmental

• Mounting: Desktop or DIN rail (included hardware)NI

• Dimensions: 190.5 × 104.8 × 35.1 mm (7.5 × 4.125 × 1.38 in)

• Weight: ~343 g (12.1 oz)

• Operating Temp: 0 °C to 55 °C

• Storage Temp: −40 °C to 70 °C

• Humidity: 5%–90% non‑condensing

• Shielding: Full metal shield for EMC/noise reductionNI

Electrical

• Impedance: 50 Ω (BNC) for high‑frequency integrity

• Isolation: No galvanic isolation (passive)

• Overvoltage Protection: Built‑in for AI/AO lines

3. Compatibility

• ISA: AT‑MIO‑16E‑2, AT‑MIO‑16E‑1, AT‑MIO‑64E‑3

• PCI: PCI‑6024E, PCI‑6052E, PCI‑6133, PCI‑6713/6723/6733

• PXI: PXI‑6052E, PXI‑6133, PXI‑6713

4. Applications

• Lab DAQ setups: Oscilloscopes, function generators, sensors (voltage/temp/pressure)

• ATE / production test: Fast, secure BNC connections for analog I/O

• Signal integrity critical systems: Shielded design for low‑noise measurements

• Legacy ISA DAQ (e.g., AT‑MIO‑16E‑2): Clean front‑end for old ISA cards

5. Features

• 15 BNCs for analog I/O, triggers, counters, user signalsdownload.ni.com

• 30‑pin spring terminal for digital/timing signalsdownload.ni.com

• 68‑pin SCSI to DAQ card; plug‑and‑play with E/S‑SeriesNI

• Fully shielded enclosure reduces EMI/RFI noiseNI

• Dual mounting: Desktop or DIN rail for lab/industrial useNI

• Passive: No external power needed

6. Accessories & Cables

• SH68‑68: 68‑pin shielded cable (BNC‑2110 ↔ DAQ card)

• BNC cables: 50 Ω for analog signals

• DIN rail kit: Included

7. Price & Status

• List Price (2026): $729 USDNI

• Status: Active / Supported (not obsolete)NI