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NI-9940
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NI-9940, 36 Position, Spring Terminal, C Series Backshell Connector Kit

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National Instruments NI-9940 Backshell Connector Kit

The NI-9940 (Part Number: 779567-01) is a Backshell Connector Kit that provides maximum operator protection and safety for CompactRIO and CompactDAQ modules. This device is designed to be used in industrial environments where automation systems involve high voltage levels. The NI 9940 comes with integrated strain relief. You can use the strain reliefs of this backshell kit for keeping the signal wires in order and efficiently fastened. This device is designed for 36-position spring terminal modules. A single unit can only be used with a single 36-position connector.

The NI-9940 is often recommended to be used with the National Instruments NI-9375 C Series Digital Modules or the cRIO-9974 Terminal Block Plug. However, it can be used with other devices, modules, and cards, with spring terminal connectivity. The NI-9940 Backshell Connector Kit is designed to withstand high voltage levels because it is made from industrial grade plastic that has powerful insulation properties. This Backshell Connector Kit is not recommended for D-SUB connectors.

ModelNI-9940
ManufacturerNational Instruments
Part Number779567-01
TypeBackshell Connector Kit
Connection36-position spring terminal
Compatible Models36-position spring terminal modules
WarrantyThree Year Warranty
NI-9940 ManualUser Manual and Maintenance Manual Available for Download
PricingContact a Sales Representative for a quote.

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National Instruments NI-9940 Frequently Asked Questions

 

Question: How do I setup the NI-9940?

Answer: To setup the NI-9940 backshell, it must first be installed on the 36-pin spring-terminal connector. Then, use a screwdriver to tighten the screws to a torque of 4 lb - in. 

 

Question: Is the NI-9940 backshell necessary?

Answer: For parts such as the NI-9226, the NI-9940 backshell is necessary in order to meet electromagnetic compatibility specifications and guidelines.

 

Question: What are the dimensions of the NI-9940?

Answer: The dimensions of the backshell only are roughly 1.8 in x 2.6 in x 0.76 in.

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BI-9940, NU-9940, NI-I940, NI-P940, NI-99R0
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