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National Instruments · SCXI

SCXI-1128

The National Instruments SCXI-1128 is a 32-channel solid-state relay multiplexer/matrix switch module for the SCXI platform. NI documents its use in scanning systems and high-voltage signal routing through suitable SCXI backplanes.

ManufacturerNational Instruments
ModelSCXI-1128
Part Number776572-28
Product TypeSolid-state relay multiplexer/matrix switch module
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Switching technologySolid-state relay (SSR)
NI channel designation32-channel multiplexer/matrix
PlatformSCXI
Manufacturer part number776572-28
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Overview

Product overview

Key product information and technical features.

The SCXI-1128 provides solid-state relay switching in a multiplexer/matrix module. NI identifies it as a 32-channel SSR device in its supported-hardware documentation.

In a suitable SCXI switching system, the SCXI-1128 can use high-voltage backplanes to share signals among connected switches and route signals to a digital multimeter. NI's scanning guidance identifies its trigger-input and scanner-advanced signal paths; multimodule operation depends on the complete hardware setup.

  • Solid-state relay switching for multiplexer/matrix routing.
  • Documented trigger input through SCXI trigger line 0 or front and rear connections.
  • Scanner-advanced output through SCXI trigger line 2 or the front connection.
  • Listed among supported devices in the NI-SWITCH 15.0.0 readme.
Verified specifications

Technical data

Verified product specifications.

Switching technologySolid-state relay
Channel designation32 channels
Switch functionMultiplexer/matrix
Trigger input pathsSCXI trigger line 0; front; rear
Scanner-advanced output pathsSCXI trigger line 2; front
Condition & included items

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Compatibility

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National Instruments

Manufacturer

SCXI

Modular hardware platform

SCXI-1128

Solid-state relay multiplexer/matrix module

Software reference

NI-SWITCH 15.0.0 lists the SCXI-1128 as supported hardware.

Confirm the chassis, backplane, connections, signal limits, and driver version for the intended configuration before integration.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

Multimodule Scanning with NI SwitchesApplication And Integration Guidance · ni.com
Open →
NI-SWITCH 15.0.0 ReadmeSoftware Support Reference · ni.com
Open →
NI-DAQmx 8.1 ReadmeHardware Identification And Software Support Reference · download.ni.com
Open →
NI switching-system scanning and trigger guidanceTechnical resource
Open →
Shipping, warranty & returns

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What type of switching module is the SCXI-1128?

NI identifies the SCXI-1128 as a 32-channel solid-state relay multiplexer/matrix module.

What manufacturer part number identifies the SCXI-1128?

NI associates part number 776572-28 with the SCXI-1128 32-channel SSR multiplexer.

Can the SCXI-1128 participate in instrument scanning?

NI documents trigger-input and scanner-advanced paths for the SCXI-1128. Multimodule scanning depends on switch capabilities, chassis capabilities, and the scanning mode of the complete system.

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