Product Description

The NI SCXI-1326 is an industrial high-voltage isolated screw terminal block module developed for NI SCXI modular data acquisition and signal conditioning systems. As a dedicated front-end signal wiring and safety isolation unit for high-voltage measurement applications, it provides standardized field signal access, high-grade electrical insulation, circuit surge protection and stable signal transmission functions. Specially designed for matching with SCXI-1162, SCXI-1163, SCXI-1162HV and SCXI-1163R acquisition modules, it delivers reliable high-voltage signal docking and noise suppression solutions for industrial electrical testing, power parameter monitoring and automated measurement systems, effectively isolating high-voltage interference and protecting rear-end precision acquisition equipment while ensuring long-term consistent measurement accuracy.

Adopting industrial high-standard insulation structure and full screw terminal wiring design, this module supports 250 Vrms high isolation voltage, achieving reliable channel-to-ground and channel-to-channel electrical isolation to eliminate cross-signal crosstalk. Equipped with dense standard screw terminals, it supports multi-channel centralized signal wiring, facilitating neat field wiring layout and convenient later maintenance. Optimized for high-voltage relay and isolated input modules, it perfectly adapts to high-noise and high-voltage industrial field environments. Built-in multi-stage surge suppression and noise shielding structures effectively filter high-frequency interference and voltage spikes, improving signal stability and measurement repeatability. Featuring compact plug-in modular structure, strict CE and RoHS certification, excellent vibration resistance and wide-temperature environmental adaptability, it supports 24/7 uninterrupted stable wiring operation for industrial high-voltage data acquisition systems.

Main Specifications

1. Full Part Number: SCXI-1326; Product Type: Industrial high-voltage isolated screw terminal block module for SCXI measurement systems
2. Applicable System: NI SCXI modular acquisition chassis, compatible with SCXI-1162, SCXI-1163, SCXI-1162HV, SCXI-1163R core modules
3. Core Function: High-voltage field signal wiring access, multi-channel electrical isolation, surge safety protection and signal anti-interference transmission
4. Isolation Performance: 250 Vrms high-strength isolation voltage, ensuring safe and stable operation under industrial high-voltage working conditions
5. Wiring Structure: Full screw terminal design, supporting firm multi-channel signal access and convenient wiring adjustment
6. Channel Design: Independent channel isolation layout to completely eliminate inter-channel signal crosstalk and measurement deviation
7. Matching Performance: Professionally calibrated for SCXI high-voltage relay and isolated input modules for zero-error system integration
8. Protection Mechanism: Built-in surge suppression and overvoltage isolation protection to prevent rear-end equipment damage from voltage impact
9. Anti-Interference Ability: Integrated shielding and filtering structure to suppress field high-frequency electromagnetic interference and signal jitter
10. Diagnostic Adaptability: Cooperates with matched acquisition modules to realize real-time signal state monitoring and abnormal circuit identification
11. Installation Category: Compliant with IEC 664 Installation Category II, meeting industrial power measurement safety standards
12. Certification Standard: Compliant with CE, RoHS industrial safety and environmental protection certification specifications
13. Environmental Performance: Wide operating temperature range, vibration-resistant, dust-proof and impact-resistant industrial structure
14. Structural Feature: Standard SCXI plug-in modular design, saving cabinet space and facilitating on-site inspection and maintenance
15. System Compatibility: 100% compatible with NI SCXI series chassis, measurement hardware and industrial test software platforms
16. Reliability: Industrial measurement grade certification, suitable for long-cycle uninterrupted high-voltage signal acquisition and protection tasks

Core Functions

1. Act as the dedicated high-voltage safety wiring and isolation protection terminal unit for NI SCXI industrial measurement systems.
2. Realize standardized and firm access of industrial high-voltage signals to ensure stable and reliable signal transmission.
3. Complete multi-channel independent electrical isolation to eliminate cross-channel interference and improve overall measurement accuracy.
4. Provide continuous surge and overvoltage protection to safeguard rear-end precision acquisition modules from high-voltage damage.
5. Optimize field wiring management with neat screw terminal layout to reduce engineering wiring faults and maintenance costs.
6. Guarantee long-term low-noise, high-safety and high-stability signal acquisition for industrial high-voltage test and monitoring systems.

Application Scenarios

1. Industrial power system high-voltage parameter testing and multi-channel signal synchronous acquisition systems
2. Electrical equipment performance testing, relay signal monitoring and industrial isolation measurement platforms
3. Automated industrial test bench high-voltage signal conditioning, wiring integration and safety protection scenarios
4. Energy equipment operating state monitoring, high-precision data collection and industrial vibration measurement systems
5. Replacement and safety upgrading of aging terminal block modules for NI SCXI high-voltage acquisition systems