Description
The NI-9421 is a part of the C Series Digital I/O category, designed to provide high-quality digital input for various applications. It comes with 8 digital input channels that are capable of sinking, making it versatile for different digital logic levels. This module operates with logic levels of 12V and 24V, suitable for a wide range of industrial applications.
The part numbers associated with the NI-9421 include 779002-01, 779136-01, 779136-02, and 783734-01. Each of these variations caters to specific needs, such as channel-earth ground isolation, where 250 Vrms is provided for models 779002-01 and 783734-01, and 60 VDC for models 779136-01 and 779136-02. Moreover, the model 779136-02 is uniquely conformal coated, offering additional protection in harsh environments.
The module’s description as an 8-Ch 24 V, 100 us, Sinking DI Module highlights its capability to efficiently process signals with a quick response time. This is essential for applications requiring high-speed data acquisition and control. The power consumption is optimized for energy efficiency, with an active consumption of up to 240 mW and a sleep mode that does not exceed 7 mW max, ensuring minimal power wastage.
With a weight of 5.1 oz, the NI-9421 is lightweight yet robust, capable of operating in a wide temperature range from -40 °C to 70 °C and being stored in temperatures ranging from -40 °C to 85 °C. This makes it suitable for challenging industrial environments. Furthermore, its operational humidity range is 10% RH to 90% RH, and its storage humidity tolerance ensures reliability and durability in various conditions.
In conclusion, the NI-9421 embodies a powerful solution for digital input applications, balancing performance, protection, and power efficiency. Its specifications cater to a broad spectrum of
| Specification | Detail |
|---|---|
| Part Numbers | 779002-01, 779136-01, 779136-02, 783734-01 |
| Category | C Series Digital I/O |
| Model | NI-9421 |
| Description | 8-Ch 24 V, 100 us, Sinking DI Module |
| Digital Input Channels | 8 |
| Input Type | Sinking |
| Logic Levels | 12V, 24 V |
| Channel-Earth Ground Isolation | 250 Vrms (779002-01, 783734-01), 60 VDC (779136-01, 779136-02) |
| Conformal Coated | Yes (779136-02) |
| Power Consumption | Active: up to 240 mW, Sleep mode: 7 mW max |
| Weight | 5.1 oz |
| Operating Temperature Range | -40 °C to 70 °C |
| Storage Temperature Range | -40 °C to 85 °C |
| Humidity | Operating: 10% RH to 90% RH, Storage:
Question 1: What logic levels does the NI-9421 support? Question 2: What is the operating temperature range of the NI-9421? Question 3: How many digital input channels does the NI-9421 have? Question 4: What is the power consumption in sleep mode for NI-9421? Question 5: What special feature does model 779136-02 offer? |
