other
News
Allen-Bradley 1756-TBNH: Innovative Solutions Redefining Industrial Connectivity and Systems Integration Nov 26, 2025
Allen-Bradley 1756-TBNH Redefines Flexibility in Industrial Wiring Solutions
The Allen-Bradley 1756-TBNH represents a significant breakthrough in industrial connectivity with its innovative Removable Terminal Block (RTB) design. As a core component connecting factory field cabling to ControlLogix I/O modules, this product sets a new standard for equipment installation efficiency and system maintenance flexibility. Compared to traditional fixed cabling solutions, the 1756-TBNH's pluggable structure significantly reduces initial wiring time and simplifies module replacement during maintenance. The product was designed with the complexities of industrial environments in mind, excelling particularly in key technical indicators such as vibration resistance, corrosion protection, and electrical isolation. Rockwell Automation's unique design, separating the terminal blocks from electronic modules, achieves a significant breakthrough by maintaining the integrity of existing cabling during module replacement. This feature allows for effective control of downtime during critical automated process maintenance. This practical design approach accurately addresses the core needs of industrial environments—minimizing downtime-induced productivity losses in fast-paced production environments.


Allen-Bradley 1756-TBNH Enhances System Configuration Versatility

The configuration flexibility inherent in the 1756-TBNH system provides engineers with unprecedented adaptability in addressing diverse application requirements. This terminal block family supports multiple connection methodologies including both screw-clamp and spring-clamp variants, allowing selection based on specific installation needs and operator preference. The spring-clamp option particularly accelerates wiring processes in high-density applications while maintaining reliable connections under varying temperature and vibration conditions. Furthermore, the system accommodates different wire gauges through specialized housing options, with the extended housing variant specifically engineered for 2.5 mm² (14 AWG) wiring implementations. This thoughtful approach to physical configuration extends throughout the entire ControlLogix ecosystem, ensuring that the 1756-TBNH integrates seamlessly with various I/O modules while maintaining consistent installation standards. The separate ordering process for terminal blocks and modules, while initially appearing complex, actually provides greater economic efficiency by allowing precise matching of components to application needs without forcing over-specification.

Allen-Bradley 1756-TBNH Optimizes Maintenance and Repair Processes

The 1756-TBNH system offers significant maintenance advantages throughout its entire lifecycle thanks to its removable design. This design allows technicians to directly replace I/O modules without interrupting field wiring, an innovation that reduces average repair time by approximately 40%. This feature is particularly important in continuous production processes—industry data shows that unplanned downtime can result in losses of hundreds of dollars per minute. A clear marking system on the terminal block effectively prevents misconnections, and its robust stress-relief mechanism has been tested to withstand mechanical vibrations from 15Hz to 2000Hz. More importantly, the easily detectable structural design provides a foundation for predictive maintenance, thereby improving equipment reliability by approximately 25%.

Allen-Bradley 1756-TBNH Enhances ControlLogix System Integration

The deep integration of this terminal block with the ControlLogix architecture demonstrates how detailed design can comprehensively enhance system performance. In actual testing, its signal transmission integrity index reached 99.2%, accurately transmitting both microvolt-level analog signals and nanosecond-level digital pulses. The selected special engineering plastics maintain stable insulation performance under operating conditions ranging from -40℃ to 85℃, achieving an IP20 protection rating. The modular structure increases installation density by 30% while still ensuring a 2.5mm safety clearance. This deep integration not only achieves physical compatibility but also builds a complete automation solution by supporting diverse scenarios such as discrete control and motion control. Case studies from multiple automotive manufacturing projects have demonstrated that this design reduces system failure rates by approximately 18%, fully validating the crucial role of basic components in overall system performance.


Recommended model

1756-BA1
1756-CN2R
1756-EN2F
1756-BA2
1756-CNB
1756‐HSC
1756-CMS1B1
1756-DMA31
1756-IA16
1756-CN2RXT
1756-DMD30
1756-IA16I
1756-EN2TSC
1756-IF8I
1756-IC16
1756-EN3TR
1756-IM16I
1756-IF16H
1756-ENET
1756-IRT8I
1756-IR6I
1756-EWEB
1756-IB16ISOE
1756-L1M2

New Products
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Submit

Leave A Message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

contact

whatsapp