• 48 gold-plated captive screw terminals for stranded/solid wire wiring
• Rear 96-pin shielded DIN connector for direct SCXI module connection
• Independent terminal grouping for 16 relay output channels and common ground
• Terminal wire range: 24 AWG to 14 AWG single-strand wire

High-Voltage Electrical Ratings

• Max continuous isolation voltage: 250 Vrms channel-to-chassis
• Max transient surge withstand: 1000 V 1μs surge pulse
• Per-channel rated current: 2 A continuous, 3 A peak short-duration current
• Internal creepage distance: 6.4 mm for high-voltage safety clearance

Module Compatibility List

• Exclusive matched module: SCXI-1160 16-Channel Relay Switch Module
• Compatible chassis: SCXI-1000, SCXI-1001 standard SCXI chassis
• Compatible controllers: SCXI-1600, PCI/PXI SCXI bus adapters
• Incompatible devices: All analog input/output SCXI modules

Key Electrical Specifications

• Device type: Fully passive terminal block, zero power consumption
• Terminal contact resistance: <10 mΩ per terminal pair
• Insulation resistance: >1 GΩ between terminals and shielding shell
• Channel crosstalk: <-82 dB at 50 Hz industrial frequency
• Shell shielding attenuation: >75 dB within 100 MHz bandwidth

Mechanical & Environmental Specifications

• Mounting method: Front direct plug-in mounting on SCXI modules
• Housing: Flame-retardant PC material with metal shielding cover
• Dimension: 172×42×32 mm, half-height SCXI front accessory
• Operating temperature: 0℃ ~ +55℃, humidity: 5%–90% non-condensing

Software Compatibility

• Drivers: No dedicated driver, compatible with NI-DAQmx, Traditional NI-DAQ
• Configuration Tool: NI Measurement & Automation Explorer (MAX)
• Supported software: LabVIEW, LabWindows/CVI, Python DAQmx, C#

Pros & Limitations

• Pros: 250 Vrms high voltage rating, flame-retardant safety structure, captive anti-loose screw terminals, integrated EMI shielding, easy on-site wiring and maintenance
• Limitations: Only compatible with SCXI-1160 relay module, no built-in surge suppression, cannot support high-frequency switching signals