Product Description
The Allen-Bradley 1756-N2XT is a slot filler module designed for use in 1756 ControlLogix-XT chassis to close off unused slots for safety and maintenance. It features RS-232, RS-422, and RS-485 communication ports, a SERCOS data rate of 4 or 8 Mbps, and draws 1.2 amps with a power dissipation of 6.2 Watts. It has a backplane current of 800mA at 5V and 3mA at 24V, a thermal dissipation of 21.2 BTU/hour, and an isolation voltage of 50V continuous. Operating within a temperature range of -25 to 70C, the 1756-N2XT is GOST_R and ROSTECHNADZOR certified. It offers features like configurable on, off, and fault states per point, and utilizes a slow blow 3.15A/250V AC fuse. Field-side wiring connects via RTB modules (1756-TBNH or 1756-TBSH) or an Interface Module (IFM). Its maximum current per point is 0.5A at 60C, maximum current per module is 4A at 60C, and isolation voltage is 265V continuous. It has no enclosure.
Is Your Device Showing These Signs?
The Allen Bradley 1756-N2XT ControlLogix power supply commonly experiences issues such as failure to power on due to component degradation, resulting in PLC downtime. Troubleshooting often reveals blown fuses, capacitor failures, or issues within the internal voltage regulation circuitry. Communication faults and backplane instability also occur, stemming from corrupted firmware or damaged connector pins. Replacement of the power supply is a standard resolution, ensuring stable voltage output and proper system operation for connected I/O modules and processors.
Technical specifications
The Allen-Bradley 1756-N2XT is a slot filler module for 1756 ControlLogix-XT chassis, used to close off unused slots for safety. It supports RS-232/422/485 communication, SERCOS data rates (4/8 Mbps), and has specific power/current/thermal characteristics. It's certified GOST_R and ROSTECHNADZOR, operates in a wide temperature range, and offers configurable states per point. Wiring is done via RTB or IFM modules, and it has defined current limits and isolation voltage. It lacks an enclosure.
Our Repair Process for the
1756-N2XT
Our repair process for the Allen Bradley 1756-N2XT ControlLogix power supply begins with a comprehensive diagnostic evaluation to pinpoint the cause of failure, whether it be a blown fuse, capacitor failure, or a fault within the voltage regulation circuitry. The unit undergoes a thorough inspection for communication faults, backplane instability, corrupted firmware, and damaged connector pins. Defective components are replaced with high-quality equivalents, and firmware is updated or reimaged as needed. The repaired power supply is then subjected to rigorous testing under load to verify stable voltage output and proper system operation, ensuring reliable performance and preventing PLC downtime. Replacement is executed if repair is not viable.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.