Beckhoff BK3120 DeviceNet Bus Coupler – Fieldbus Module
Beckhoff BK3120 is listed for Servo Drives RFQ review. Confirm quantity, condition and destination before quotation.
Model: AM3043-0E00-0000 716-069688-793 3520782 DRIVE 4003 AT
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Technical Dossier
The Beckhoff AM3000 series of synchronous servomotors is a core motion component deployed across global heavy industry, including chemical processing plants, nuclear facility auxiliary systems, oil refineries, and continuous-process manufacturing lines. Designed to integrate natively with Beckhoff's TwinCAT automation platform and EtherCAT-based drive infrastructure (AX5000 / AX8000 servo drives), the AM3000 series provides a standardized, scalable motor family covering flange sizes from 40 mm to 115 mm and continuous torque ratings from 0.18 Nm to 54 Nm. The series is manufactured in Germany and carries CE, UL, and cUL certifications, making it suitable for both European and North American regulated installations.
The AM3000 series was introduced as Beckhoff's primary servomotor line to complement the AX5000 EtherCAT servo drive platform, replacing earlier third-party motor pairings that required external resolver interfaces. The architecture is built around a synchronous permanent-magnet rotor design with integrated single-turn or multi-turn EnDat 2.2 / BiSS-C feedback encoders, eliminating the need for separate encoder converters in most TwinCAT configurations.
Early AM3000 variants used resolver feedback (option code -xR00-) for compatibility with legacy AX2000 and AX2500 drives. As EtherCAT became the dominant fieldbus in Beckhoff installations post-2010, the encoder-based variants (-xE00-) became the production standard. The current generation supports One Cable Technology (OCT) via the AX8000 drive series, combining power and feedback in a single cable run — a significant wiring reduction for multi-axis gantry and robotic cell installations.
Compatibility note: AM3000 motors with resolver feedback are not directly interchangeable with encoder-feedback variants without drive parameter reconfiguration. Installers upgrading from AX2000 to AX5000 drives must verify the motor option code before replacement.
The following SKUs represent the verified production and field-service catalog for the Beckhoff AM3000 series, organized by frame size and torque class. All models are synchronous AC servomotors unless otherwise noted.
Frame Size 1 — 40 mm Flange (AM3011 / AM3012)
Frame Size 2 — 48 mm Flange (AM3021 / AM3022)
Frame Size 3 — 60 mm Flange (AM3031 / AM3032 / AM3033)
Frame Size 4 — 72 mm Flange (AM3041 / AM3042 / AM3043 / AM3044)
Frame Size 5 — 100 mm Flange (AM3051 / AM3052 / AM3053 / AM3054)
Frame Size 6 — 115 mm Flange (AM3061 / AM3062 / AM3063)
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