NI BNC-2110

Technical Specifications

1. Analog Input Channels: 8 differential BNC analog input ports
2. Analog Output Channels: 2 BNC analog output ports
3. Digital I/O Terminals: 8 bidirectional digital logic screw terminals
4. Counter/Timer Connectors: 2 BNC high-speed counter input/output ports
5. Signal Bandwidth Rating: DC to 1 MHz analog signal passband
6. Shielding Construction: Full enclosure copper electromagnetic shielding
7. Cable Compatibility: NI SH68-68-EP shielded DAQ cable 68-pin interface
8. Operating Temperature Range: 0°C to +50°C laboratory ambient
9. BNC Connector Impedance: 50 Ω standard coaxial signal interface

Functional Features

• Fully isolated analog input ground reference selection jumper (single-ended / differential mode)
• Internal low-pass RC filter banks for noise suppression on analog measurement channels
• Dedicated ground BNC terminals for coaxial cable shield connection to eliminate EMI noise
• Digital I/O pull-up/pull-down configurable jumpers for logic level matching
• Removable terminal side panels for custom signal wiring modification

Structural Characteristics

• Rectangular benchtop plastic enclosure with full internal copper shielding liner
• Front panel populated with all BNC coaxial signal connectors
• Rear 68-pin shielded D-SUB connector for DAQ host cable attachment
• Side screw terminal strip for digital logic and auxiliary ground wiring
• Four non-slip rubber foot pads for stable laboratory bench placement

Material Composition

• Outer casing: ABS high-impact laboratory plastic
• Internal shielding liner: 0.2mm pure copper electromagnetic shielding sheet
• BNC connectors: Nickel-plated brass coaxial signal contacts
• Internal circuit board: Low noise FR4 precision measurement PCB
• Rubber base feet: Oil-resistant neoprene elastomer

Working Principle

Advantage Highlights

• Standard 50Ω BNC interface compatible with all laboratory signal generators, oscilloscopes and transducers
• Full electromagnetic shielding enables high-precision low-level voltage measurement in noisy lab environments
• Integrated RC noise filters eliminate requirement for external signal conditioning hardware
• All signal channels physically separated on front panel for rapid test setup wiring
• Universal compatibility with all NI 68-pin multifunction DAQ hardware platforms

Applicable Industries

Installation Requirements

1. Place unit on flat non-conductive laboratory bench surface; avoid direct contact with metal equipment frames
2. Connect SH68-68-EP shielded cable between BNC-2110 rear D-SUB port and DAQ hardware card
3. Terminate all coaxial cable shield grounds to dedicated ground BNC ports for differential measurements
4. Set internal configuration jumpers prior to connecting test sensors to match measurement topology
5. Maintain minimum 30cm separation from variable frequency drives, power supplies and high-power test equipment

Usage Precautions

• Do not apply voltage exceeding ±10 VDC to analog input BNC ports; internal circuit damage occurs
• Keep enclosure ventilation side slots unobstructed to prevent internal heat accumulation
• Disconnect DAQ cable before modifying internal configuration jumpers
• Use only 50Ω impedance coaxial test cables for all BNC signal connections
• Clean BNC connector contact surfaces monthly with isopropyl alcohol to prevent signal attenuation from oxidation