Academic Company Events NI Developer Zone Support Solutions Products & Services Contact NI MyNI

NI SCXI-1175

196-Channel Multiplexer Switch Module

  • 196x1 (1-wire), 98x1 (2-wire) multiplexer
  • Up to 100 VDC, 100 VAC
  • Up to 1 A switching/1 A carry
  • Deterministic operation with hardware triggers
  • Onboard relay counting
  • 140 channels/s maximum switching speed
  • Data Sheet  |   Configure System popup

Part Number Description Est Ship  US Dollars Qty
Common Configuration
776572-75NI SCXI-1175 196 Channel Multiplexer--For prices, Select Country 
Accessories
779038-01LFH200 Connector to Bare Wire Switch Cable, 2 M--For prices, Select Country 
779038-03LFH200 to 50-Pin DSub Switch Cable (CH-CH Twisted),1m--For prices, Select Country 
779305-01NI TBX-50, 50 Pin Dsub Screw Terminal Block--For prices, Select Country 
779356-01Relay Replacement Kit for IM42GR Relays (QTY: 10)--For prices, Select Country 
778546-01Switch Management Software-NI Switch Executive Development System--For prices, Select Country 
 
 

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

The National Instruments SCXI-1175 is a high-density multiplexer switch module. With 196 1-wire channels or 98 2-wire channels, the NI SCXI-1175 is capable of routing hundreds of signals to measurement devices or from source units. Each channel uses robust electromechanical relays and is capable of switching up to 100 VDC/100 VAC or 1 A. With a scanning speed of up to 140 channels/s, the SCXI-1175 acts as an excellent front-end for high-channel-count automated test applications.

Specifications Documents


Specifications Summary

General 
Form FactorSCXI
OS SupportWindows, Real-Time, Linux
LabVIEW RT SupportYes
Switch TypeMultiplexer
Relay TypeElectromechanical
ConnectivityD-Sub Cable
Product CertificationsC-Tick, CAN/CSA, CE, FCC Part 15, IEC, UL - Product Safety
Input Characteristics 
Multiplexer Configurations196x1, 1-wire
98x1, 2-wire
Maximum Switching Voltage DC (Pollution Degree 2)100 VDC
Maximum Switching Voltage AC100 Vrms
Maximum Switching Current1 A
Maximum Carry Current1 A
Maximum Switching Power60 W
Bandwidth20 MHz
Relay Count TrackingYes
Voltage CategoryCAT I
Path Resistance (Typical)0.5 Ohm
Thermal EMF3 µV
Dynamic Characteristics 
Mechanical Relay Life1 x 109 cycles
Scan Rate140 cycles/s
Timing/Triggering/Synchronization 
Synchronization Bus (RTSI)Yes
TriggeringDigital
External ClockingNo
Physical Specifications 
Length19.8 cm
Width17.3 cm
Height3 cm
I/O Connector200-pin LFH

Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products.

Training

NI training is the fastest, most certain route to productivity with NI tools and successful application development.

Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

ni.com/support