1. General Information
Part Number: SDS4011; Model: SDS4011; Product Name: Industrial Servo Driver
Brand: STOBER (STOBER Antriebstechnik GmbH, a Global Leader in Precision Drive Systems and Automation Solutions)
Product Status: Original New Unit; Product Category: Compact Precision Servo Driver, Designed for Low to Medium Power Motion Control Applications
Core Application: Widely used in small automation equipment, precision positioning stages, packaging machinery, textile machinery, electronic component assembly lines, and material handling systems. Suitable for high-precision position, speed, and torque control of small to medium-sized servo motors.
Core Features: Compact structural design for space-constrained installations; High control precision and dynamic response; Comprehensive protection mechanisms for safe and stable operation; Rich communication interfaces for easy system integration; Support for multiple encoder types and control modes; Industrial-grade durability for harsh working environments.
2. Electrical Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Power Supply Parameters
Input Voltage: 3-phase AC 200 ~ 240 V (±10% Tolerance), 50/60 Hz; Optional Single-phase AC 200 ~ 240 V for Specific Configurations;
DC Bus Voltage: 280 ~ 340 VDC (Rectified from AC Input);
Control Circuit Voltage: DC 24 V (±10% Tolerance), Rated Current: 1.0 A;
Rated Output Current: 11 A (Continuous), 33 A (Peak, 3 Seconds);
Power Consumption: ≤ 1.8 kW (Typical, Full Load Operation);
Power Protection: Built-in reverse polarity protection, overvoltage protection (≥ 380 VDC), undervoltage lockout (≤ 220 VDC) and overcurrent protection (≥ 40 A), effectively preventing component damage from abnormal power supply.
2.2 Motor Compatibility
Motor Type: AC Synchronous Servo Motor;
Rated Motor Power: 0.1 ~ 3.0 kW (Compatible Range);
Motor Winding Resistance: 0.1 ~ 2.5 Ω (Phase to Phase);
Motor Winding Inductance: 0.2 ~ 8 mH (Phase to Phase, 1 kHz);
Encoder Compatibility: Incremental Encoder (TTL/HTL, Up to 1 MHz Input Frequency), Absolute Encoder (SSI, EnDat 2.2), Resolver (Optional Module).
2.3 Control Performance
Control Modes: Position Control (Pulse/Direction, CW/CCW, A/B Phase), Speed Control (Analog Input 0 ~ 10 VDC, Communication Command), Torque Control (Analog Input 4 ~ 20 mA, Communication Command), Profile Position Mode, Profile Velocity Mode, Homing Mode, Jerk-limited Motion Control;
Positioning Precision: ±0.0015 mm (Depends on Motor and Encoder Resolution, Typical with 17-bit Encoder);
Speed Adjustment Range: 0 ~ 6000 rpm (Rated Speed of Matching Servo Motor), Speed Stability: ≤ ±0.01% (No Load);
Torque Control Precision: ±2.5% (Rated Torque);
Response Time: ≤ 1 ms (Current Loop), ≤ 4 ms (Speed Loop), ≤ 8 ms (Position Loop).
2.4 Protection Functions
Comprehensive Protection: Overcurrent Protection (OCP), Overvoltage Protection (OVP), Undervoltage Protection (UVP), Overheating Protection (OTP, Heatsink Temperature ≥ 85℃), Short Circuit Protection (Phase to Phase, Phase to Ground), Motor Stall Protection, Encoder Fault Protection, Overload Protection (150% Rated Current for 1 Minute), ESD Protection.
2.5 Communication & I/O Interfaces
Standard Interfaces: 1 × RS485 (Supports Modbus RTU Protocol, Optically Isolated), 1 × Ethernet Port (10/100 BASE-TX, RJ45, Supports Modbus TCP, TCP/IP);
Optional Interfaces: PROFINET, CANopen, EtherCAT (Configurable via Expansion Module);
Digital Input/Output: 6 Digital Inputs (Optically Isolated, 24 VDC, Response Time ≤ 1 ms), 4 Digital Outputs (Transistor Output, 24 VDC, 0.5 A Per Channel);
Analog Input/Output: 2 Analog Inputs (12-bit ADC, 0 ~ 10 VDC / 4 ~ 20 mA), 1 Analog Output (12-bit DAC, 0 ~ 10 VDC, for Speed/Torque Monitoring).