Workflow context: Joint-level motor control, position feedback, braking, EtherCAT communication and safe-motion functions
Customer context: Robotics OEMs reducing component count and cabinet wiring in compact decentralized motion systems.
Deployment model: Commercial integrated-motion family offered in Circulo 7 and Circulo 9 sizes with product demonstrations and engineering support.
Commercial maturity: Commercial servo-drive family with published interfaces, power classes, safety functions and integration geometry.
Adoption constraints: Fit depends on motor voltage and current, actuator geometry, encoder and brake configuration, EtherCAT architecture, safety certification and thermal design.
Joint-level motor control, position feedback, braking, EtherCAT communication and safe-motion functions
Deployment environment
Collaborative robot arms, lightweight robots, intelligent actuators, AGVs and AMRs
Specifications
Supported Motors: PMSM and BLDC motors
Nominal Supply Voltage: 24 to 48 V DC
Maximum Supply Voltage: 58 V DC continuous / 60 V DC peak
Maximum Efficiency: >98%
Communication Interface: EtherCAT, DS402, up to 4 kHz
Safety Functions: STO/SBC according to SIL 3, PL e; optional Safe Motion module via FSoE
Encoder Support: Up to two integrated absolute encoders plus external encoder interfaces
Operating Temperature: 0 to 60 C ambient air; 0 to 70 C mounting surface
Circulo 7 Peak Power: 750 W
Circulo 9 Peak Power: 1,850 W
Family specifications
Circulo 7 - Weight: 92 g without encoder rings - Dimensions: 20 mm ID / 72.2 mm OD / 21.3 mm H - Peak Output Power: 750 W - Peak Phase Current: 24 A_rms - Maximum Input Current: 18 A DC - Continuous Output Power: 250 W
Circulo 9 - Weight: 133 g without encoder rings - Dimensions: 40 mm ID / 92.2 mm OD / 22.3 mm H - Peak Output Power: 1850 W - Peak Phase Current: 60 A_rms - Maximum Input Current: 45 A DC - Continuous Output Power: 630 W