Description
The NI-9422 is part of the C Series Digital I/O category, distinguished by its part number 193242G-01L (779522-01). This model is designed to enhance your projects with its 8 CHANNEL ISOLATED DIGITAL INPUT functionality, offering robust performance in demanding environments.
It operates within a voltage range of 24 V to 60 V, making it versatile for various applications. The module features 8 digital input channels that are capable of sinking/sourcing input, ensuring compatibility with a wide array of sensors and devices.
For ease of connection, it utilizes screw terminal front connectors, simplifying the installation and maintenance processes. The NI-9422 boasts a maximum update rate of 250 μs, allowing for rapid data acquisition and processing.
The device supports dynamic averaging mode, which is adjustable through divisor and measurement time settings, enhancing the accuracy of your measurements. Additionally, it is equipped with A, B, and Z encoder channels, supporting quadrature encoding in X1, X2, and X4 modes. This feature enables precise position measurements using an encoder, ideal for motion control applications.
Moreover, the NI-9422 provides flexible signal routing, configurable for all eight digital input terminals. This flexibility ensures that the module can be tailored to meet the specific requirements of your application, making it a highly adaptable solution for your digital input needs.
| Specification | Details |
|---|---|
| Part Number | 193242G-01L (779522-01) |
| Category | C Series Digital I/O |
| Model | NI-9422 |
| Description | 8 CHANNEL ISOLATED DIGITAL INPUT |
| Voltage Range | 24 V to 60 V |
| Digital Input Channels | 8 (Sinking/Sourcing Input) |
| Connectors | Screw Terminal front connectors |
| Maximum Update Rate | 250 μs |
| Measurement Time | Dynamic Averaging mode with Divisor and Measurement Time settings |
| Encoder Channels | A, B, and Z (Quadrature Encoding: X1, X2, X4) |
| Position Measurements Capability | Yes, using an encoder |
| Signal Routing | Flexible, configurable for all eight digital input terminals |
Question 1: What is the voltage range of NI-9422?
Answer 1: 24 V to 60 V
Question 2: How many digital input channels does the NI-9422 have?
Answer 2: 8 channels
Question 3: What is the maximum update rate of NI-9422?
Answer 3: 250 μs
Question 4: Does the NI-9422 support quadrature encoding?
Answer 4: Yes, in X1, X2, X4 modes
Question 5: What type of connectors does the NI-9422 use?
Answer 5: Screw terminal front connectors


