Description
The NI-9474 is a C Series Digital I/O module that comes with a robust set of features designed for a variety of applications requiring high-speed digital output. The module’s specification highlights its capability to handle 8-Channel High-Speed 24 VDC Sourcing Digital Output, making it suitable for complex automation tasks that require precise control.
The module is available in two part numbers, 779003-01 and 783908-01, which differ in their connectivity options. The 779003-01 model utilizes a Screw Terminal for connectivity, while the 783908-01 model offers a Spring Terminal. This flexibility ensures that users can choose the most suitable connection method for their specific setup.
One of the key features of the NI-9474 is its support for 12 V, 24 V digital I/O logic levels, providing versatility in interfacing with different types of digital devices. Additionally, it boasts a high degree of safety with 250 Vrms, CAT II, channel-to-earth isolation, protecting both the module and connected devices from potential electrical hazards.
The module impresses with its fast Maximum 1 us update rate, ensuring timely response and control. It supports a wide voltage range from 5 VDC to 30 VDC, accommodating various industrial power supply standards. The output impedance is rated between 0.07 Ω to 0.13 Ω, and it can deliver a Continuous Output Current of 1.0 A per channel, highlighting its efficiency and reliability in continuous operation.
Moreover, the NI-9474 is designed to withstand harsh industrial environments with transient overvoltage protection of 2,300 Vrms between output channels and backplane, ensuring long-term durability and reliability. The module is also lightweight, with the Spring Terminal version weighing 4.9 oz and the Screw Terminal version at 5.3 oz, making it easy to install in various setups.
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| Specification | Detail |
|---|---|
| Part Numbers | 779003-01, 783908-01 |
| Category | C Series Digital I/O |
| Model | NI-9474 |
| Description | 8-Channel High-Speed 24 VDC Sourcing Digital Output Module |
| Logic Levels | 12 V, 24 V digital I/O |
| Isolation | 250 Vrms, CAT II, channel-to-earth |
| Connectivity Options | Screw Terminal (779003-01), Spring Terminal (783908-01) |
| Update Rate | Maximum 1 us |
| Capacity | 5 VDC to 30 VDC |
| Output Impedance | 0.07 Ω to 0.13 Ω |
| Continuous Output Current | 1.0 A per channel |
| Transient Overvoltage Protection | 2,300 Vrms between output channels and backplane |
| Weight | Spring Terminal: 4.9 oz, Screw Terminal: 5.3 oz |
| Operating Temperature | -40 °C to 70 °C |




