Description
Kollmorgen S7120S-NANANA
Technical Specifications
- Product Family: SERVOSTAR S700 Series
- Size Class: S7120S
- Device Designation: S7120S-NANANA
- Product Category: Digital servo amplifier
- Rated Line Power (S1): 9 kVA
- Rated Line Voltage: 1×110 V–230 V, 3×208 V (−10%) to 3×480 V (+10%)
- Rated DC Bus Voltage: 290–675 VDC
- Rated Output Current: 12 Arms at 3×208 V / 3×230 V; 12 Arms at 3×400 V; 12 Arms at 3×480 V
- Peak Output Current: 24 Arms
- Safety: Dual-channel STO (Safe Torque Off)
- Onboard Communication: CANopen and EtherCAT
- Expansion Cards: None factory-installed (all slots available)
- Certifications: CE, UL, TÜV
Functional Features
- Multi-Loop Control: High-speed current, velocity, and position control loops
- Autotuning: Automatic PID parameter and feedforward adjustment
- Cogging Suppression: Minimized motor cogging for smooth operation
- Macro Programming: IEC 61131-3 structured text with 128 KB code memory
- Multi-Feedback Support: Up to three simultaneous feedback systems
- Dual-Channel STO: SIL2/PLd compliant safe torque off
- Dynamic Braking: Integrated braking circuit with standard internal braking resistor
- MMC Storage Card Slot: Parameter and firmware backup
Application Scenarios
- Mid-Range Automation: Medium-scale conveyor systems, material handling, and assembly lines
- Machine Tools: Medium-power feed axes, spindle drives, and multi-axis CNC systems
- Industrial Robotics: Medium-duty robotic arms, gantry systems, and palletizing robots
- Metal Forming: Press feeds, shearing machines, and bending equipment
- Woodworking and Plastics: Router drives, extruder feeds, and injection molding actuators
Performance Parameters
- Drive Type: Digital servo amplifier with IGBT power stage
- Control Modes: Torque, speed, and position control
- Switching Frequency: High-frequency PWM for low acoustic noise
- Protection Features: Overcurrent, overvoltage, undervoltage, overtemperature, phase loss,




