Description
The product with part numbers 779139-01, 785044-01, and 780176-01 falls under the category of C Series Digital I/O. Specifically, it is the NI-9425 model, which is designed for a variety of applications requiring high-speed, reliable digital input capabilities. This model is known for its 32-CHAN 24 V, 7 US, SINKING DIGITAL INPUT, CONFORMAL COAT, making it an excellent choice for demanding industrial environments.
The NI-9425 is compatible with digital I/O logic levels of 12 V/24 V and offers 32 (Sinking Input) digital channels. It boasts a maximum update rate of 7 µs, ensuring swift response times for critical applications. Users can connect to the module using either Spring Terminal or D-SUB connector types, providing flexibility in integration into various systems.
Regarding its physical specifications, the weight of the NI-9425 varies slightly based on the connector type; 5.7 oz for the Spring Terminal version and 5.2 oz for the D-SUB version. This module can operate within a temperature range of -40 to 70 °C and can be stored in temperatures ranging from -40 to 85 °C. It is designed to operate in humidity levels from 10 to 90% RH, non-condensing, and can be stored in humidity levels ranging from 5 to 95% RH, non-condensing.
The NI-9425 is also built to withstand harsh conditions, with an operating vibration tolerance (random) of 5 grms (10 to 500 Hz) and an operating vibration tolerance (sinusoidal) of 5 g (10 to 500 Hz). These specifications ensure the module’s reliability and durability in challenging industrial environments, making it a robust choice for your digital input needs.
| Specification | Detail |
|---|---|
| Part Numbers | 779139-01, 785044-01, 780176-01 |
| Category | C Series Digital I/O |
| Model | NI-9425 |
| Description | 32-CHAN 24 V, 7 US, SINKING DIGITAL INPUT, CONFORMAL COAT |
| Digital I/O Logic Levels | 12 V/24 V |
| Digital Channels | 32 (Sinking Input) |
| Maximum Update Rate | 7 µs |
| Connector Type | Spring Terminal or D-SUB |
| Weight (Spring Terminal) | 5.7 oz |
| Weight (D-SUB) | 5.2 oz |
| Operating Temperature Range | -40 to 70 °C |
| Storage Temperature Range | -40 to 85 °C |
| Operating Humidity Range | 10 to 90% RH, non-condensing |
| Storage Humidity Range | 5 to 95% RH, non-condensing |
| Operating Vibrations (Random) | 5 grms (10 to 500 Hz) |
| Operating Vibrations (Sinusoidal) | 5 g (10 to 500 Hz) |
Question 1: What is the update rate of the NI-9425?
Answer 1: The NI-9425 has a 7 µs update rate.
Question 2: How many digital inputs does the NI-9425 have?
Answer 2: The NI-9425 offers 32 sinking digital inputs.
Question 3: What connector types are available for the NI-9425?
Answer 3: The NI-9425 is available in both Spring Terminal and D-SUB connectors.
Question 4: What are the operating temperatures for the NI-9425?
Answer 4: It operates from -40 to 70 °C.
Question 5: What’s the weight of the NI-9425 with Spring Terminal?
Answer 5: 5.7 oz for Spring Terminal version.


