Part Code Definition

SCXI = SCXI series signal conditioning platform

1001 = 12-slot AC powered standard chassis; differ from 4-slot SCXI-1000 and DC-input SCXI-1001-DC variant.

Technical Specifications

Input supply:100~240VAC 50/60Hz, total rated power 60W

Backplane output: +5V / ±12V multi-rail stabilized DC, total slot power budget for 12 modules

Ambient range: operating 0℃~+50℃; storage -40℃~+70℃, RH5%~95% non-condensing

Dimension:19-inch standard 3U rack size, 483×133×254mm, net weight≈7.2kg

Structure: dual built-in cooling fans + full metal shielding, three independent internal analog buses for high-speed multiplexing

Max system scan rate: whole chassis up to 333kS/s synchronized sampling via DAQ board

Certification: CE, UL, C/US safety approval

Interface & Communication Configuration

Rear panel: AC power inlet with replaceable fuse, SCXI bus cascade port for multi-unit daisy-chain

Front:12 standard SCXI module slots with golden finger backplane, front panel 5-bit DIP switch for chassis address setting(0~31 address range)

Signal connection: front terminal blocks on inserted SCXI modules for field sensor wiring; rear SCXI bus cable connects to NI PCI/PCIe DAQ acquisition card for data transmission

Status indicator: front panel POWER running LED lamp

Core Functions

Centralized regulated power distribution for all 12 plugged SCXI conditioning modules

Triple independent analog backplane buses to realize flexible multi-group signal multiplex routing

Global timing synchronization & hardware trigger distribution across all slots for synchronous multi-channel acquisition

Multi-chassis cascade expansion, one NI DAQ card drives up to eight SCXI-1001 to expand measurement channels massively

Full metal shielding + forced air cooling suppress industrial EMI for low-level thermocouple/strain/mV weak signal conditioning

Application Scenarios

Automotive component durability test bench, aerospace environmental multi-point temperature & vibration acquisition, industrial factory multi-point process monitoring, laboratory large-scale sensor calibration system, old SCXI DAQ system spare replacement upgrade.

Operation & Maintenance Notes

Standard 19-inch cabinet rack mount installation, reserve upper/lower ventilation clearance; confirm rear AC voltage selector matches local grid before power-on; periodically clean rear fan dust filter to avoid overheating; separate low-signal sensor twisted wire from high-power AC cable; power off chassis before plug/unplug SCXI modules to prevent backplane short damage; chassis address DIP must be unique in cascaded multi-chassis system without repetition.