NI SCXI-1304
Part No.: SCXI-1304 (777687-01, 185963A-01)
Manufacturer: National Instruments (NI)
Type: AC/DC Coupling Terminal Block
For Use With: SCXI-1140/1141/1142/1143, SCXI-1120/D, SCXI-1125, SCXI-1126
Channels: 8-channel, configurable AC/DC coupling
Connection: Front BNC & Screw Terminals, Shielded Enclosure
1. General Description
The NI SCXI-1304 is a dedicated terminal block for SCXI signal conditioning systems. It provides secure, shielded signal connectivity and integrates per-channel configurable AC/DC coupling circuitry. Designed for precision data acquisition, it offers switchable input biasing to stabilize floating signal sources, ensuring clean, accurate signal transmission in industrial and laboratory environments.
2. Key Specifications
• Coupling: Per-channel AC/DC coupling switches
• Bias Resistor: 100 kΩ switchable to GND (floating source reference)
• Connectors: Front BNC & 22 screw terminals
• Shielding: Full metal shielded enclosure
• Mounting: Front-mount on SCXI modules
• Environment: Industrial-grade, noise-rejecting design
3. Core Features
• Per-channel independent AC/DC coupling selection
• Switchable 100 kΩ bias resistor for floating inputs
• Dual BNC + screw terminal connectivity (flexible wiring)
• Full shielding against EMI/RFI interference
• Direct front-mount to SCXI signal conditioning modules
• Hot-swappable installation for system maintenance
4. Typical Applications
• Precision sensor signal conditioning (vibration, strain, acoustic)
• High-fidelity data acquisition in noisy industrial environments
• AC signal isolation (DC component removal)
• Laboratory & aerospace test measurement systems
• Stable signal grounding for floating voltage sources
National Instruments © SCXI Signal Conditioning Terminal
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