Product Description
The Allen-Bradley 1394-SJT05-A is a 5kW digital AC servo control module within the 1394 multi-axis motion control system, offering velocity or torque control, compatibility with the Allen-Bradley Bulletin 1201 HIM for start-up and auto-tuning, a 10V DC analog interface, SCANport, and active soft start. It simplifies analog servo system setup with integrated connectors, a hinged front cover for easy wiring access, and direct 380-460V AC to 530-680V DC conversion. It features a built-in 200W (40kW peak) shunt resistor and supports an optional 1400W external shunt kit, boasting 98% efficiency, 360-480V AC input, and a 4.9 RMS A/mV static gain.
Is Your Device Showing These Signs?
The Allen Bradley 1394-SJT05-A commonly experiences issues related to resolver feedback malfunction, causing erratic motor control. Drive trips occur due to overcurrent faults stemming from IGBT failures or shorted motor windings. Communication errors on the SERCOS interface prevent proper synchronization with the controller. Power supply degradation leads to insufficient voltage levels, resulting in operational instability. Firmware corruption necessitates reprogramming to restore functionality.
Technical specifications
Digital AC Servo Control System Module; 1394 Modular, Multi-Axis Motion Control and Drive System compatible; Velocity, Torque control modes; Compatible with Allen-Bradley Universal Bulletin 1201 Human Interface Module (HIM); HIM Functionality: Start-up, Auto-tuning; 10V DC Analog Interface; SCANport Communication Interface; Active Soft Start for DC Link Charging Inrush Current Limiting; Two Configurable Analog Test Outputs Troubleshooting; Motor Feedback, AQB Output, Torque Reference Input (to/from motion controller), Serial Communications (for HIM module) Connectors; Hinged Module Front Cover Wiring Access; 5 kW Power Rating (at 460V); 380-460V AC, Three-Phase, 50-60 Hz Input Voltage; 530 680V DC DC Link Voltage (without isolation transformer or inductors); 16 ohms Internal Shunt Resistor Resistance; 200 W Internal Shunt Resistor Continuous Rating; 40 kW Internal Shunt Resistor Peak Rating; Up to 200W Shunt Resistor Dissipation (when active); 1400W Shunt Kit Available External Shunt Resistor (Optional); 98% Efficiency; 10V DC Analog Input; 360-480V AC (3 Phase) Input Voltage (AC); 4.9 RMS A/mV Static Gain.
Our Repair Process for the
1394-SJT05-A
Our repair process for the Allen Bradley 1394-SJT05-A begins with a comprehensive evaluation to pinpoint the root cause of the malfunction, focusing on resolver feedback integrity, IGBT health, motor winding condition, SERCOS communication, power supply output, and firmware status. Resolver feedback issues are addressed through resolver replacement or feedback circuit repair. Overcurrent faults are resolved by replacing faulty IGBTs or repairing shorted motor windings. SERCOS communication errors are rectified by repairing or replacing the communication interface. Power supply degradation is corrected by component-level repair or complete power supply replacement. Firmware corruption requires immediate reprogramming with validated firmware. Following component replacement and repair, rigorous testing under simulated operating conditions verifies complete functionality and ensures the drive meets original performance specifications before it is returned.
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.
Buying Options
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Ships from Rochester, NY