Direct current servo-drive EWDB series

synchronousCANopenEtherCAT

Overview
Synchronous servomotor with integrated drive control unit combining compact dimensions, space-saving machine integration and optimized wiring for industrial automation and motion-control applications.

Key features

• Power supply: 24 to 60 Vdc
• Integrated single-turn absolute encoder
• Field buses: CANopen DS402, EtherCAT, ProfinetIO, Ethernet/IP
• 4 digital inputs (Drive Enable, Limit Switch 1 & 2, Homing)
• Protection degree: IP65; 4 IP65 metal water-resistant connectors (2 top for fieldbus, 2 bottom for I/O and power)
• Configuration via Drivewatcher software; RS-485 available for configuration
• Available with or without integrated gearbox; based on 60 mm flange

Technical summary by model

• EWDB121xxx — Stall torque 0.7 Nm; Max torque 2.4 Nm; Stall current 7 A; Peak current 20 A; Max speed 3500 rpm; Weight 1.8 kg; Ke 8 V/krpm; KT 0.13 Nm/A; Rotor inertia 0.13 kgcm²
• EWDB122xxx — Stall torque 1.3 Nm; Max torque 2.5 Nm; Stall current 10 A; Peak current 20 A; Max speed 3000 rpm; Weight 2.3 kg; Ke 8 V/krpm; KT 0.132 Nm/A; Rotor inertia 0.23 kgcm²
• EWDB123xxx — Stall torque 1.6 Nm; Max torque 3.5 Nm; Stall current 14 A; Peak current 20 A; Max speed 3000 rpm; Weight 2.9 kg; Ke 8.5 V/krpm; KT 0.141 Nm/A; Rotor inertia 0.33 kgcm²

Technical specifications

• Control circuit supply: 24 Vdc
• Continuous output current: 10 A; Peak (2 s): 20 A
• Control method: PWM sinusoidal-wave drive
• Analogue input: none; Digital inputs: 4 x +24 Vdc (Drive Enable, Limit Switch 1, Limit Switch 2, Homing)
• Digital output: none; Status LED for status and alarm warnings
• Communications: RS-485 (configuration), CANopen, EtherCAT, ProfinetIO, Ethernet/IP
• Protections: I²T and thermal protections; integrated brake management (immediate stop or ramp mode optional)
• Power consumption: 7.2 W standby; 24.3 W at nominal current
• Motor options (based on 60 mm flange): stall torque 0.7 / 1.3 / 1.6 Nm; max torque 2.4 / 2.5 / 3.5 Nm; stall current 7 A / 10 A / 14 A; peak current 20 A
• Max mechanical speed: 3500 rpm (121xxx), 3000 rpm (122xxx & 123xxx)
• Voltage constant Ke: 8 V/krpm (121/122), 8.5 V/krpm (123)
• Torque constant KT: 0.13 / 0.132 / 0.141 Nm/A (models respectively)
• Rotor inertia: 0.13 / 0.23 / 0.33 kgcm² (models respectively)
• Flange: Interax 63 mm × Centering 40 mm
• Weight: 1.8 kg / 2.3 kg / 2.9 kg (models respectively)
• Connections: M17 connectors for power and M12 for signal/fieldbus; 4 IP65 metal water-resistant connectors
• Environmental: Operating temperature 0°C to 40°C; Storage -20°C to +65°C; Altitude <1000 m; Humidity 5–85% RH; Vibration ≤9.8 m/s² (10–60 Hz)
• Protection degree: IP65
• Standards: 2014/35/EU (Low Voltage), 2014/30/EU (EMC), 2011/65/EU (RoHS); CEI EN 61800 series
• Configuration software: Drivewatcher