Description
The NI-9421 is a versatile module that falls under the C Series Digital I/O category, designed to meet a wide array of digital input needs. It is identified by several part numbers, including 779002-01, 779136-01, 779136-02, and 783734-01, catering to various requirements and specifications across different setups.
This model comes equipped with 8 digital input channels, allowing for substantial connectivity and integration flexibility. Each input channel supports sinking inputs, making it suitable for a variety of industrial applications. The module is capable of handling 12V and 24V digital I/O logic levels, providing compatibility with a wide range of digital devices.
One of the standout features of the NI-9421 is its channel-to-earth ground isolation. The isolation levels vary with the part numbers, offering 250 Vrms for part numbers 779002-01 and 783734-01, and 60 VDC for part numbers 779136-01 and 779136-02. Moreover, the model with the part number 779136-02 is conformal coated, enhancing its durability and resistance to environmental factors.
In terms of power efficiency, the module exhibits low consumption rates of 240 mW in active mode and merely 7 mW in sleep mode, underscoring its energy efficiency. It is designed to operate within a temperature range of -40 °C to 70 °C and can be stored in temperatures ranging from -40 °C to 85 °C. This wide temperature range ensures reliable performance under various environmental conditions.
The NI-9421 also boasts a robust design capable of operating in environments with humidity levels from 10% RH to 90% RH, non-condensing, and can be stored in conditions with humidity levels from 5% RH to 95% RH, non-condensing. This resilience is further complemented by its ability to withstand operating vibrations, indicating its suitability for industrial applications where reliability and durability are paramount
| Specification | Detail |
|---|---|
| Part Numbers | 779002-01, 779136-01, 779136-02, 783734-01 |
| Category | C Series Digital I/O |
| Model | NI-9421 |
| Input Channels | 8 digital input channels |
| Input Type | Sinking Inputs |
| Logic Levels | 12V, 24 V digital I/O |
| Ch-Earth Ground Isolation | 250 Vrms (779002-01, 783734-01), 60 VDC (779136-01, 779136-02) |
| Conformal Coated | Yes (779136-02 only) |
| Power Consumption | 240 mW (active), 7 mW (sleep mode) |
| Operating Temperature Range | -40 °C to 70 °C |
| Storage Temperature Range | -40 °C to 85 °C |
| Operating Humidity Range | 10% RH to 90% RH, non-condensing |
| Storage Humidity Range | 5% RH to 95% RH, non-condensing |
| Operating Vibrations |
