Product Description
The Indramat DKC21.3-200-7-FW is a robust, high-performance digital servo drive designed for demanding industrial automation applications. This drive unit delivers precise control of servo motors, ensuring accurate and repeatable motion for tasks such as robotics, packaging, and machine tooling. It features advanced control algorithms, providing exceptional dynamic response and stability. The DKC21.3-200-7-FW supports a range of feedback devices, including encoders and resolvers, for closed-loop control. Integrated safety functions are present, enhancing operator and equipment protection. This drive is engineered for reliability and longevity in harsh industrial environments, minimizing downtime and maximizing productivity.
Is Your Device Showing These Signs?
The Indramat DKC21.3-200-7-FW servo drive commonly experiences issues such as blown power modules due to overcurrent faults, resolver feedback errors causing positioning inaccuracies, and capacitor degradation leading to DC bus undervoltage. Rectifier failures and subsequent loss of AC input power are also frequent. Software corruption within the firmware necessitates reprogramming, and communication errors on the SERCOS interface disrupt real-time control. Overheating due to fan failures or blocked heat sinks results in thermal shutdowns, and shorted braking resistors prevent proper deceleration.
Technical specifications
The Indramat DKC21.3-200-7-FW is a digital AC servo drive controller designed for demanding industrial automation applications. This drive features a robust power section capable of delivering continuous current of 200 Amps at 3-phase 400VAC input, ensuring precise motor control and high dynamic performance. The DKC21.3-200-7-FW incorporates advanced control algorithms for accurate positioning, velocity, and torque regulation, supporting a wide range of feedback devices including resolvers, encoders, and SSI interfaces. It provides comprehensive diagnostics and monitoring capabilities through its integrated display and serial communication interfaces, facilitating efficient troubleshooting and maintenance. The drive supports various communication protocols such as SERCOS, enabling seamless integration into existing automation systems. The DKC21.3-200-7-FW is engineered for reliability and durability in harsh industrial environments, offering a long operational lifespan and minimizing downtime.
Our Repair Process for the
DKC21.3-200-7-FW
Our repair process for the Indramat DKC21.3-200-7-FW servo drive begins with a comprehensive evaluation to diagnose the specific fault, including power module testing for overcurrent damage, resolver signal analysis for feedback errors, and capacitor inspection for degradation. Rectifier functionality is verified to ensure proper AC input, and firmware is examined for corruption requiring reprogramming. SERCOS communication is tested to identify interface disruptions, and the cooling system is assessed for fan failures or blockages causing overheating. Braking resistors are checked for shorts. Following diagnosis, faulty components are replaced with new or refurbished parts, the drive undergoes rigorous testing under load conditions, and final adjustments are made to meet original factory specifications, ensuring optimal performance and reliability.
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.

















