The NI SCXI-1326 is a front-mount terminal block specifically designed for high-voltage applications. As part of the National Instruments SCXI data acquisition and signal conditioning system, its core purpose is to deliver a safe and reliable high-voltage signal connection solution for specific SCXI modules.
Featuring a shielded structural design and equipped with 48 screw terminals, this product supports high-voltage operating conditions of up to 250 Vrms, catering to the high-voltage signal transmission and conditioning requirements in industrial, test and measurement scenarios. It offers strong compatibility with designated SCXI modules, and enables convenient installation and wiring, serving as a critical connection component in high-voltage signal measurement systems.
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Core Features
High-Voltage Compatibility
As a dedicated high-voltage terminal block, the SCXI-1326 has a rated maximum operating common-mode voltage of 250 Vrms (between channels or between channels and ground). It enables stable adaptation to high-voltage signal transmission scenarios, effectively avoiding the risk of signal distortion or equipment damage in high-voltage environments, and provides a safety guarantee for high-voltage measurements. All 48 of its screw terminals are designed for high-voltage compatibility, allowing reliable connection to various high-voltage signal sources and meeting the requirements for synchronous access of multi-channel high-voltage signals.
Precision Compatibility Design
This terminal block is specifically compatible with the SCXI-1162, SCXI-1162HV, SCXI-1163, and SCXI-1163R series modules, serving as a dedicated signal connection accessory for these modules. For wiring, it must be paired with the SH48-48-B shielded cable to connect to compatible modules. The shielded cable design can effectively reduce external electromagnetic interference, ensure the stability and accuracy of high-voltage signal transmission, and prevent the impact of signal interference on measurement results.
Structural & Installation Features
The SCXI-1326 adopts a front-mount design, which aligns with the modular installation concept of the SCXI system. It can form a compact system layout with compatible modules, saving installation space. Its screw terminal design supports wire connection of 26–14 AWG specifications, ensuring secure wiring while facilitating disassembly and maintenance. Meanwhile, the terminal block features excellent structural strength, capable of meeting the operational requirements of complex environments such as industrial sites. In addition, this terminal block supports 19-inch rack mounting, requiring a rack mounting width of one-third unit. Standardized rack deployment can be achieved with the TBX-RM1 rack mounting kit, improving the neatness of system installation.
Key Technical Specifications
Electrical Parameters
Physical & Installation Parameters
Application Scenarios & System Configuration
The SCXI-1326 is primarily designed for high-voltage signal measurement and data acquisition scenarios, such as high-voltage parameter monitoring of industrial equipment, signal conditioning in power systems, and high-voltage testing in laboratories. During system configuration, follow these steps:
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