Description
The NI-9422 is a robust module categorized under C Series Digital I/O, designed to meet a wide range of industrial digital input requirements. Its part number is 193242A-01, with an alternate part number 779522-01 for reference. This module stands out for its versatility and performance in handling digital signals.
It features 8 digital input channels that support both sinking and sourcing inputs, making it a flexible solution for interfacing with a variety of digital sensors and devices. The inputs are designed to operate within a 24 V to 60 V range, catering to a broad spectrum of industrial applications.
Connection to the module is made convenient and secure through screw terminal front connectors, ensuring reliable and easy installation. The NI-9422 boasts a maximum update rate of 250 μs, allowing for rapid data acquisition and processing.
One of the notable features of this module is its dynamic averaging mode, which is enabled with both Divisor and Measurement Time settings. This functionality indicates the time over which the module quantifies and averages multiple periods of the input signal, enhancing measurement accuracy and reliability.
Furthermore, the module is equipped with encoder channels (A, B, and Z), supporting X1, X2, and X4 encoding types. This capability allows for precise position measurements, as the module can return the current encoder count value, making it ideal for motion control and positioning tasks.
The NI-9422 also offers flexible signal routing, enabling input signals to be routed from any of the eight digital input terminals. This flexibility ensures that the module can be adapted to various application needs, further enhancing its utility in diverse industrial scenarios.
| Specification | Details |
|---|---|
| Part Number | 193242A-01 (Alternate: 779522-01) |
| Category | C Series Digital I/O |
| Model | NI-9422 |
| Description | 8-Ch 60 V, 250 us, Sinking/Sourcing DI Module |
| Input Voltage Range | 24 V to 60 V |
| Channels | 8 Digital Input Channels (Sinking/Sourcing Input) |
| Connectors | Screw Terminal front connectors |
| Maximum Update Rate | 250 μs |
| Measurement Time | Indicates the time over which to quantify and average multiple periods of the input signal |
| Dynamic Averaging Mode | Enabled with both Divisor and Measurement Time settings |
| Encoder Channels | A, B, and Z |
| Encoding Types | X1, X2, X4 |
| Position Measurements | Capable with encoder; returns current encoder count value |
| Signal Routing | Flexible; input signals can be routed from any of the eight digital input terminals |
Question 1: What is the part number of the NI-9422?
Answer 1: 193242A-01, with alternate part number 779522-01.
Question 2: How many digital input channels does the NI-9422 have?
Answer 2: It has 8 digital input channels.
Question 3: What voltage range can the NI-9422 inputs operate within?
Answer 3: 24 V to 60 V.
Question 4: What is the maximum update rate of the NI-9422?
Answer 4: 250 μs.
Question 5: Does the NI-9422 support encoder channels?
Answer 5: Yes, it supports encoder channels with X1, X2, and X4 types.



