SOMANET
CIRCULO

ALL-IN-ONE SERVO DRIVE FOR ROBOTS AND COBOTS

Somanet Circulo 9 from the top
SOMANET Circulo is the world's first integrated motion device. It defines the industry standard for collaborative robotic arms (cobots). The combination of certified functional safety, braking system, encoder and perfect mechanical integration makes SOMANET Circulo unique.

The motion control solution for cobots, robots and intelligent actuators can be used immediately without any adjustments. This saves you additional components and cost-intensive development time.
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5 COMPONENTS,
1 SERVO DRIVE

JOINT/GEAR ENCODER

Up to two integrated absolute encoders without extra cable (optional)

FLEXIBILITY

Works with any type of PMSM/BLDC motors up to 60 V and 60 A_rms. Optimal mechanical integration for most compact actuators

Advanced Safety

More than 10 certified safety functions (SIL3, Pl-e)

INTEGRATED BRAKE SYSTEM

Integrated brake system (optional) with safe brake control

SERVO DRIVE

High-performance servo drive with maximum motion control performance

Somanet Circulo 9 from the side
ULTRA COMPACT
This saves on components, interfaces and development work, and shortens assembly time.
RELIABLE
Highly efficient software algorithms compensate for electromechanical inadequacies and ensure the highest level of motion performance.
EFFICIENT
Costs are reduced by more than 50 % thanks to massive component savings. User-friendly and intuitive software simplifies processes.

MOTION CONTROL FOR MODERN ROBOTICS

Its round shape and hollow shaft with a diameter of 72 mm and 92 mm actuators make the SOMANET Circulo ideal for fully integrated axes, which are mainly used in collaborative robots. Two standard sizes fit all common robot arms.
a mechanical arm with two gears attached to it
  • Highest performance in drive control/motion control
  • Optional: Up to two integrated high-resolution absolute encoders and motor brake
  • Certified safety functions
  • Numerous sensor interfaces
  • Optimum mechanical integration with common actuators
  • High-speed EtherCAT interface (DS402, up to 4kHz)
BROCHURE (PDF)
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FULLY EQUIPPED SERVO DRIVE

Are you planning a lightweight robot, a collaborative robot arm or an AGV / AMR application? Take advantage of Synapticon's advanced motion control technology and produce better products in less time thanks to the compact and efficient decentralized servo drives.
  • Works with any PMSM/BLDC motor up to 60 V and 60 arms
  • Maximum bandwidth, model predictive field-oriented control for high efficiency
  • Dual-loop control, high-frequency control loops, gain scheduling
  • Support for 2 position feedback signals of any type, torque sensors, KTY/PT1000
SOMANET Circulo 7
the dimensions of a somanet circulo 7 (outer radius 72mm, inner radius 20mm)
SOMANET Circulo 9
the dimensions of a somanet circulo 9 (outer radius 92mm, inner radius 40mm)

Perfect mechanical integration

Perfect fit for the actuator

Two standard sizes for 72 and 92 mm with hollow shaft design

Designed for direct motor mounting
Optimized thermal management

for a cool robot/machine body

Intelligent cable routing

High reliability of
processes

SOMANET CIRCULO IN YOUR PROJECT

See the performance of the SOMANET Circulo for yourself during a product demonstration. We'll be happy to advise you on usage options.
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DUAL HIGH RESOLUTION ABSOLUTE ENCODER

The SOMANET Circulo combines a servo drive and position encoder in one standard servo drive for the first time.

Circulo has up to two integrated absolute encoders without additional cables and without the need for cumbersome tools for encoder calibration.
  • 2 x magnetic absolute encoders (up to 20 bit resolution)
  • Dual-loop configuration for motor and gearbox output feedback
  • Optional battery-powered multi-turn functionality
  • Calibration and diagnostics GUI in the commissioning tool
  • Very low profile, less than 5 mm for both encoders
Somanet Circulo 9 from the side

INTEGRATED BRAKE SYSTEM

SOMANET Circulo is equipped with an Integrated Brake System that protects the motor from unintentional rotational movements. This makes it ideal for motion control systems such as robot arms and mobile robots. The integrated brake system is ultra-compact, reliable and safe.
SMALLER
60 - 90 % space saving
LIGHTER
50 - 90 % reduction in weight
MORE ECONOMICAL
65 - 90 % less power consumption (3 W)
  • The motor speed is reduced to a low level before the brake engages.
  • The brake prevents the motor from rotating unintentionally (e.g., in the event of a power failure).
  • In this way, the servo drive prevents unwanted contact with the workpiece being processed or between the robot and human.
100%
PRODUCTS
CERTIFIED

THE FUTURE FOR REAL HUMAN-ROBOT COLLABORATION is now

DESCRIPTION
STATUS: 11/2023

STO prevents the trolley from restarting unplanned. STO enables safe working and has a wide range of applications with moving axes.

SBC enables the safe activation of a holding brake. The function is always activated in parallel with STO and used with STO or SS1. This prevents the movement of an axis in a torque-free state.

...

The SS1 function causes the motor to stop quickly and safely, and brings it to a standstill.

The SS2 function switches a motor off quickly and safely. If the motor comes to a standstill, a safe operating stop (SOS) is triggered.

SLS ensures that the drive does not exceed a defined speed limit and triggers an error response if this is exceeded.

The safety function monitors that the drive (and thus the element moved by the drive) does not exceed defined end positions.

Safely limited torque. The SLT function enables the torque to be reduced within a defined time; if the torque exceeds the SLT monitoring limit, the drive reacts with a "safe stop".

via FSoE (7 ms cycle time)

via FSoE (7 ms cycle time)

via FSoE (7 ms cycle time) - when connecting a safe torque sensor to the safe analog input.

via FSoE (7 ms cycle time)

*The functions must be implemented in the safety controller using safe process data.

SAFETY FIRST

The optional Safe Motion module for Circulo enables safe motion functions at SIL3, PL-e level via FSoE (FailSafe over EtherCAT). Realize your application in accordance with ISO/TS 15066.

OTHER PRODUCTS

SOMANET NODE SAFETY
Ether CATEther CATEther CAT
SOMANET NODE SAFETY
max. peak power output 2,000 W
SOMANET Node
Ether CATEther CATEther CAT
SOMANET Node
max. peak power output 2,000 W
Circulo 9 SMM
Ether CATEther CATEther CAT
Circulo 9 SMM
92 mm diameter
Circulo 7 SMM
Ether CATEther CATEther CAT
Circulo 7 SMM
72 mm diameter

ANY QUESTIONS?

We'll be happy to advise you on Circulo's usage. Talk to us about your project at any stage of its development.
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