Description
The NI-9402 is a versatile C Series Digital I/O module that features 4 bidirectional digital channels, making it suitable for a wide range of digital input/output applications. This module supports 3.3V TTL logic levels and provides a maximum update rate of 55 ns, ensuring high-speed data transfer and processing capabilities for demanding applications.
It is designed with BNC front connectors for easy and secure connection to external devices. Although it is not conformal coated, its robust design ensures reliable operation in various environments. The NI-9402 is compatible with CompactDAQ or CompactRIO hardware platforms, offering flexibility in system integration and expansion.
The module supports multiple current flow directions, including sinking input, sinking output, sourcing input, and sourcing output, providing versatility in connecting and controlling various electronic devices. Despite lacking digital I/O isolation, it is capable of handling signal types such as GND and DIO, and it is recommended to be used with a 50 Ω BNC cable for optimal performance.
One of the key features of the NI-9402 is its software configurability. Each of the digital I/O channels can be individually configured in software for either output or input, allowing users to tailor the module’s operation to meet specific application requirements. This level of configurability, combined with its technical specifications, makes the NI-9402 a powerful and flexible solution for a broad range of digital I/O tasks.
| Specification | Detail |
|---|---|
| Part Number | 196376C-01L, 779987-01, 196376E-01L |
| Category | C Series Digital I/O |
| Model | NI-9402 |
| Description | 4 ch, 50 ns, LV TTL Digital Input/Output Module |
| Channels | 4 Bidirectional Digital Channels |
| Logic Levels | 3.3V TTL |
| Maximum Update Rate | 55 ns |
| Connectors | BNC front connectors |
| Conformal Coated | No |
| Compatibility | CompactDAQ or CompactRIO hardware platforms |
| Current Flow Direction | Sinking Input, Sinking Output, Sourcing Input, Sourcing Output |
| Digital I/O Isolation | No |
| Signal Types | GND and DIO |
| Cable Type | 50 Ω BNC cable |
| Software Configuration | Each DIO channel can be configured in software for output or input |
Question 1: What logic levels does the NI-9402 support?
Answer 1: 3.3V TTL logic levels.
Question 2: How many digital channels does the NI-9402 have?
Answer 2: 4 bidirectional digital channels.
Question 3: What is the max update rate of the NI-9402?
Answer 3: 55 ns.
Question 4: Is the NI-9402 compatible with CompactDAQ/RIO?
Answer 4: Yes, it’s compatible with CompactDAQ/RIO.
Question 5: Does the NI-9402 offer digital I/O isolation?
Answer 5: No, it lacks digital I/O isolation.
