National Instruments NI 9977 C Series slot filler

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National Instruments · CompactDAQ / CompactRIO

NI 9977

The NI 9977 is a blank, nonfunctioning C Series filler module used to occupy empty slots in CompactDAQ and CompactRIO chassis. It is a chassis accessory, not a data acquisition or I/O module.

ManufacturerNational Instruments

ModelNI 9977

Part Number196917-01 · 196917-51

Product TypeC Series slot filler

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Product typeC Series slot filler

FunctionBlank, nonfunctioning module

Supported platformsCompactDAQ and CompactRIO chassis

Documented weight124 g (4.4 oz)

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Overview

Product overview

Key product information and technical features.

The NI 9977 fills an unused C Series chassis slot without adding measurement functionality. NI's user guide describes it as suitable for empty slots in chassis that accept C Series modules.

NI lists two manufacturer variants: 196917-01, the C Series filler module for an empty slot, and 196917-51, the OEM board-only variant. The catalog record does not identify which variant is represented.

Occupies empty C Series chassis slots.
Blank, nonfunctioning construction rather than active measurement electronics.
Manufacturer identifies CompactDAQ and CompactRIO as supported chassis platforms.

Verified specifications

Technical data

Verified product specifications.

Product classification	C Series filler module
Functional capability	Blank, nonfunctioning
Weight	124 g
Chassis requirement	Chassis accepting C Series modules

Condition & included items

What the actual unit includes

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Condition

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Included

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Revision

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Supported chassis platforms

NI 9977

C Series empty-slot filler

Slot requirement

An empty slot in a chassis accepting C Series modules.

This is a nonfunctioning slot filler, not an active I/O module. Confirm the physical variant before selection.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9977 Official Product PageProduct Page · ni.com

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NI 9977 C Series Filler Module User GuideUser Guide · download.ni.com

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NI-9977 Dimensional DrawingsDimensional Drawings And CAD Models · ni.com

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NI-9977 Product CertificationsProduct Certifications · ni.com

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NI-9977 Dimensional Drawings and CAD ModelsTechnical resource

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Shipping, warranty & returns

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30-Day Warranty. Standard coverage applies.

Returns

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the NI 9977 acquire data or provide I/O channels?

No. NI describes the NI 9977 as a blank, nonfunctioning C Series module. Its purpose is to fill an empty chassis slot.

Which chassis platforms support the NI 9977?

NI explicitly identifies CompactDAQ and CompactRIO chassis. The user guide states that it can fill empty slots in any chassis that accepts C Series modules.

Which manufacturer part numbers are associated with this model?

NI lists 196917-01 for the filler module and 196917-51 for the OEM board-only variant. The supplied catalog record does not establish the specific variant.