Technical specifications¶

Power Specification¶

Power Specification SOMANET Servo Node Circulo	Circulo 700	Circulo 1800
Rated supply voltage DC	24-48 V
Maximum voltage DC	65 V
Continuous phase current RMS	8 A	24 A
Maximum phase current RMS (Load-cycle: 0.5s every 1.5 s)	24 A	60 A
Maximum efficiency	99 %
Standby power consumption	TBD

General Specification¶

General Specification SOMANET Servo Node Circulo	Circulo 700	Circulo 1800
Number of phases	3
Supported motors	BLDC, PMSM
Hardware protections	Overcurrent, overvoltage,undervoltage, overtemperature, PWM deadtime, PWM shoot through
Dimensions (see also dimension drawings)	Inner diameter: 20 mm, Outer diameter: 72.2 mm, height: 26.3 mm	Inner diameter: 40 mm, Outer diameter: 92.2 mm, height: 28.5 mm
Operating temperature	TBD
Storage temperature	-35 to 85 °C
Humidity	Max 90 % rH
Sensors on-board	3 x I_phase, U_DC, t_MOSFET, t_core
Encoder interface (ext.)	1 x ABZ / SSI / BiSS-C /Nikon / Tamagawa
Brake pwr. output	1A @ 48V
GPIO	5x Digital IO (3.3/5V), 1x Digital Output (3.3/5V), 1x Digital Input (24V) 1x Analog In Single Ended (0-10V),1x Analog In Differential (±5V)
Heatsink	Aluminum
Integrated encoder (motor)	Yes, absolute (optional)
Integrated encoder (joint)	Yes, absolute (optional)
Integrated brake	Yes (optional)

Optional Integrated Encoders¶

Encoder 1 (inner)
Resolution	18 bit
Accuracy (INL)	TBD
Multi-turn	14 bit (battery based)
Mounted on	Configuration 1: joint Configuration 2: motor
Functions	Configuration 1: position Configuration 2: position/velocity/commutation

Encoder 2 (outer)
Resolution	18 bit
Accuracy (INL)	TBD
Multi-turn	No
Mounted on	Configuration 1: motor Configuration 2: -
Functions	Configuration 1: velocity/commutation Configuration 2: -

Optional Integrated Brake¶

Brake specifications
Type	Solenoid latch
Detailed specifications	TBD