BOSCH REXROTH DKC21.3-100-7-FW R911281391

Bosch Rexroth DKC21.3-100-7-FW Ecodrive Servo Controller

Description

The Bosch Rexroth Indramat DKC21.3-100-7-FW is a high-performance digital AC servo drive designed for precise motion control applications. As part of the proven Ecodrive series, it offers robust performance and reliability. This 100A drive is equipped with a SERCOS interface for fast and deterministic communication, making it ideal for multi-axis coordinated motion in complex machinery. This unit comes with the FWA-ECODR3-FLP-03VRS-MS firmware module installed.

Specifications

• Manufacturer: Bosch Rexroth (Indramat)
• Model: DKC21.3-100-7-FW
• Part Number: R911281391 (281391)
• Series: Ecodrive
• Rated Current: 100A
• Interface: SERCOS
• Firmware Module: FWA-ECODR3-FLP-03VRS-MS

Label Info

• DKC21.3-100-7-FW
• 281391 Made in Germany
• SN: DKC213-01796
• BASISGERAET DKCXX.3-100-7

Application

This servo drive is commonly used in CNC machine tools, robotics, printing machines, packaging equipment, and general automation systems requiring precise speed and position control.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this pre-owned servo drive, you are contributing to a circular economy and avoiding approximately 360 kg of CO2 emissions associated with the production of a new unit. This saving is equivalent to the emissions from driving a car for 1800 kilometers.

Availability

This is an obsolete item, available as a refurbished spare part. Limited stock available. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the significance of the “-7” in the model number DKC21.3-100-7-FW?

The “-7” suffix denotes that the drive is equipped with a SERCOS (SErial Realtime COmmunication System) interface. This is a globally standardized, high-speed fiber optic interface for real-time control of drives.

Is the firmware module FWA-ECODR3-FLP-03VRS-MS included with this drive?

Yes, as seen in the product images, this specific unit has the FWA-ECODR3-FLP-03VRS-MS firmware module plugged into the front panel, making it a complete operational unit.

Can this drive be commissioned without specialized Indramat software?

No, commissioning, parameter setting, and diagnostics for Indramat Ecodrive controllers typically require Bosch Rexroth’s proprietary software, such as DriveTop, to communicate with the drive via a serial connection.

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Last Update: Friday, March 13, 2026