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NI 9478

16 Ch, 7 µs, Up to 50 V Sinking Digital Output

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  • 16 ch, 7 µs digital output module
  • Programmable current limits for customizable system protection
  • Up to 1.2 A per channel (all 16 channels) or 5 A for a single channel
  • -40 to 70 °C operating range
  • Onboard system diagnostics and solenoid health monitoring
  • Ideal for solenoid and valve control and high-frequency PWM operations
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The NI 9478 is a 16-channel, 7 µs, sinking digital output C Series module with programmable current limits, which provide customizable system protection that is ideal for solenoid and valve control applications. Each channel is compatible with 5 to 50 V signals and features 1,000 Vrms withstand isolation from channel to earth ground. The NI 9478 can sink up to 16 A of current per module, depending on channel configuration. It uses an industry-standard 37-pin D-Sub connector for low-cost cabling to a wide variety of 37-pin accessories from NI or other vendors. The module also works with industrial logic levels and signals for direct connection to a wide array of industrial relays, solenoids, and motors.

The NI 9478 requires a 37-pin D-Sub connector or cable such as the NI 9933 accessory kit for direct connectivity. The NI 9933 includes a screw-terminal connector with strain relief as well as a D-Sub solder cup backshell for creating custom cable assemblies.

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View Diagram

Select one of the following options for product configuration and pricing:

Select Module and Accessories Below »   Configure and Price a Complete CompactRIO System »
 
Module Accessories   Chassis, Controllers, Modules Software & Services
Step 1: Verify Device and Quantity Selection
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
  NI 9478      
779940-02 Conformal coating Call $ 778
779940-01 Non-conformal coating
NI Recommended		 5 - 10 $ 599

Each NI 9478 requires: 1 Connectivity Accessory

NI 9478 Connectivity Accessory
Step 2: Select Connectivity Accessory
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Screw Terminals
779103-01 NI 9933 37pin D-Sub connector kit
NI Recommended		 1 - 2 $ 149
Step 3: Select Optional Accessories
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Cable
778621-01 SH37F-37M-1 37-Pin Female to Male Shielded I/O Cable, 1 m 5 - 10 $ 29
778621-02 SH37F-37M-2 37-Pin Female to Male Shielded I/O Cable, 2 m 5 - 10 $ 39
778620-04 SH37F-P-4 37-Pin Female to Pigtail Shielded I/O Cable, 4 m 5 - 10 $ 29
778673-01 CB-37FH Horizontal DIN Rail Mount 5 - 10 $ 59
778672-01 CB-37FV Vertical DIN Rail Mount 5 - 10 $ 109
779353-01 CB-37F-LP 5 - 10 $ 39
779491-01 CB-37F-HVD 5 - 10 $ 169
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Specifications Documents


Specifications Summary

General
Product Name NI 9478
Product Family Industrial I/O
Form Factor CompactRIO
Operating System/Target Windows , Real-Time
LabVIEW RT Support Yes
Measurement Type Digital
Isolation Type Ch-Earth Ground Isolation
RoHS Compliant Yes
Analog Input
Channels 0 , 0
Single-Ended Channels 0
Differential Channels 0
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 0
Input-Only Cannels 0
Output-Only Channels 16
Number of Channels 0 , 0 , 16
Timing Hardware
Max Clock Rate 20 KHz
Logic Levels > 24 V , Programmable
Output Current Flow Sinking
Supports Programmable Power-Up States? No
Current Drive Single 1 A
Current Drive All 16 A
Supports Handshaking I/O? No
Supports Pattern I/O? No
Maximum Output Range 50.0 , 5.0 V
Counter/Timers
Counters 0
Physical Specifications
Length 7.500 cm
Width 2.500 cm
Height 8.500 cm
I/O Connector 37-pin D-Sub
Minimum Operating Temperature -40.0 °C
Maximum Operating Temperature 70.0 °C
Minimum Storage Temperature -40.0 °C
Maximum Storage Temperature 70.0 °C

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What is Conformal Coating?

Conformal coatings are specially formulated thin film materials that are applied directly to circuit boards or circuit card assemblies (CCAs). These films provide environmental protection for components and circuitry. The thin film materials used for conformal coating are normally applied using a process of dipping or spraying the CCA with a liquid or resinous material. As the material dries, it forms a resilient coating that can protect against moisture, mold, dust, corrosion and other environmental stresses.

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