The NI BNC-2095 is a rack-mount signal conditioning adapter designed for National Instruments SCXI modules. It provides 32 BNC connectors for signal input/output paired with a single 96-pin connector for direct SCXI module interface. The unit supports AC/DC coupling with configurable signal referencing through software-controlled switches that manage pull-up and pull-down resistors on a per-channel basis. This enables flexible thermocouple measurement with open circuit detection capability.
Constructed with shielded material and a metal enclosure, the BNC-2095 delivers noise immunity critical for precision measurement environments. Isothermal construction ensures high-accuracy thermocouple readings. The adapter mounts in standard 19-inch racks at 1.7 inches of vertical space.
– Technical Specifications
• Part Number: 777508-01
• BNC Connectors: 32 (signal I/O)
• SCXI Interface: One 96-pin connector
• Input/Output Coupling: AC/DC selectable
• Signal Referencing: Configurable via software-controlled switches; pull-up resistors linked to +5 VDC; ground-referencing resistors linked to metallic cover ground
• Pull-Up Resistors: Enabled/disabled per channel for open thermocouple detection
• Bus Options: SH96-96 shielded cable or R96-96 ribbon cable
• Mounting: 19-inch rack, 1U form factor
• Dimensions: 19.0 in. × 1.7 in. × 7.7 in.
• Enclosure: Shielded metal construction with isothermal design
• Certifications: CE, C-Tick, FCC Part 15 (Class A)
– Key Features
• Terminal block connections for rapid field wiring
• High-voltage attenuation capability
• Isothermal construction for thermocouple accuracy
• Per-channel pull-up resistor control for open detection
• Software-selectable pull-down resistors for signal referencing
– Compatibility & Integration
The BNC-2095 interfaces with SCXI-1100, SCXI-1102/B/C, SCXI-1104/C, and SCXI-1581 modules via SH96-96 shielded or R96-96 ribbon cables.
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