This document describes the usage of NI 9422 module, including safety precautions, connection methods, etc.
This manual describes the proper use of the NI 9422 8‑channel, 24 V I/O module, including safety precautions, installation steps, and wiring information. It emphasizes the need to follow safety rules such as avoiding contact with live terminals and ensuring power is disconnected before handling the device.
Technical details include 8 channels, a 24 V supply, 16 detachable bolt terminals (two pins per channel), and voltage limits of 42.4 V AC or 60 V DC. The module meets an IP54 protection rating and offers maritime‑specific requirements with LR certification options. Technical support contact information for worldwide regions is also provided. This manual is written in Chinese.
| Maximum voltage rating | 42.4 V AC / 60 V DC |
|---|---|
| Number of terminals | 16 detachable bolt terminals |
| Ingress protection rating | IP54 |
Avoid touching the terminals while the module is powered, ensure the power source is disconnected before handling, and follow the safety rules described in the manual.
The module can handle up to 42.4 V AC or 60 V DC on its inputs.