National Instruments 9485 Measurement System 8-channel solid-state relay digital output module

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National Instruments · CompactDAQ / CompactRIO

NI 9485 Measurement System

The NI 9485 is an eight-channel C Series solid-state relay output module for switching externally powered loads. It supports switching up to 60 VDC or 30 Vrms.

ManufacturerNational Instruments

Model9485 Measurement System

Part Number779600-01 · 779600-02

Product Type8-channel solid-state relay digital output module

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Outputs8 solid-state relay channels

Switching voltage60 VDC or 30 Vrms maximum

Switching current750 mA/channel across all 8 channels; 1.2 A/channel for up to 4 channels

PlatformNI C Series

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Overview

Product overview

Key product information and technical features.

The NI 9485 provides relay switching rather than analog signal acquisition. Its isolated outputs connect to industrial loads such as actuators and DC devices.

NI documents use in CompactDAQ and CompactRIO chassis. Select the chassis and software configuration for the intended control environment.

Normally open solid-state relays.
Channel-to-channel isolation.
Screw-terminal connections for field wiring.

Verified specifications

Technical data

Verified product specifications.

Digital output channels	8 channels
Relay type	Normally open solid-state relay
Maximum DC switching voltage	60 VDC
Maximum AC switching voltage	30 Vrms
Maximum switching current, all channels	0.75 per channel A
Maximum switching current, up to four channels	1.2 per channel A
Switching rate at 90% duty cycle	1 operation/s
Typical relay open time	0.5 ms
Typical relay close time	9.0 ms
Continuous channel-to-channel isolation	60 VDC, Measurement Category I, up to 5,000 m
Operating temperature	-40 to 70 °C
Front connection	Screw terminal

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Host chassis platforms

C Series

Module family and chassis interface

NI 9485

Relay output module

Check load voltage, channel current, and switching duty cycle against the NI documentation before wiring.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9485 Product PageOfficial Product Page · ni.com

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NI 9485 DatasheetDatasheet And Specifications · download.ni.com

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NI 9485 Getting Started GuideGetting Started Guide · docs-be.ni.com

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Controlling a Solenoid with the NI 9485 or NI-9482Technical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the NI 9485 a PXI Express analog acquisition module?

No. NI identifies it as a C Series relay output module, not a PXI Express analog acquisition device.

Which manufacturer part numbers belong to the NI 9485?

NI lists 779600-01 as the standard version and 779600-02 as the conformal-coated version. The supplied catalog record does not identify which version this item represents.

Can the NI 9485 control a solenoid?

NI documents solenoid control using an external power supply wired in series with the load and relay. The load must remain within the module's switching limits.