Siemens 6SL3120-1TE21-8AA4 SINAMICS S120 Servo Drive Module 18A Booksize AC Servo Drive High-Torque for Robotics

Product Description

Title:Siemens 6SL3120-1TE21-8AA4 SINAMICS S120 Motor Module 16A

The Siemens 6SL3120-1TE21-8AA4 is a compact Motor Module from the SINAMICS S120 series,designed as a power unit for servo and induction motors.This 16A module operates on a 3-phase 380-480V AC supply and delivers a continuous output current of 16A with a 36A overload capacity for three seconds.It features a DRIVE-CLiQ interface for seamless communication and requires a separate Control Unit for operation.As a key component in sophisticated motion control systems,it is engineered for high dynamic performance in applications ranging from machine tools to material handling systems.

This Motor Module provides the power stage for single motor control within a multi-drive system.Its compact design and book format allow for efficient cabinet space utilization.The module's advanced cooling technology ensures reliable operation in demanding industrial environments.

Parameter Name Parameter Value

Product Family SINAMICS S120

Device Type Motor Module(Non-Regenerative)

Supply Voltage 3 AC 380-480 V±10%

Rated Output Current 16 A

Peak Output Current(3s)36 A

Output Power 7.5 kW(at 400 V with synchronous motor)

Power Section IGBT with PWM at 4 kHz(default)

Technology CoolSi™MOSFET Technology

Communication Interface DRIVE-CLiQ

Cooling Method Coldplate cooling

Overload Capacity 150%for 57s,200%for 3s(at base speed)

Protection Class IP20

Installation Position Any

Dimensions(WxHxD)70 x 190 x 215 mm

Weight Approx.2.8 kg

Product Features

The Motor Module incorporates advanced IGBT technology with optimized switching characteristics.It utilizes Siemens'proprietary CoolSi™MOSFET technology for enhanced efficiency and thermal performance.The built-in temperature monitoring protects the power semiconductors from overheating.

The DRIVE-CLiQ interface enables automatic configuration and comprehensive diagnostics.This digital connection transmits parameters,setpoints,and actual values between system components.It simplifies wiring and reduces commissioning time significantly.

The coldplate cooling design efficiently dissipates heat without external fans.This maintenance-free cooling method ensures quiet operation and high reliability.The compact book format allows for side-by-side installation in control cabinets.

Key Advantages

This Motor Module delivers high dynamic performance for demanding motion control applications.Its fast current control enables precise torque regulation even at low speeds.The high overload capacity handles peak demands during acceleration and machining operations.

The integrated safety functions provide comprehensive machine protection.This includes ground fault detection,overcurrent protection,and overtemperature monitoring.These features help prevent damage to both the drive system and connected machinery.

Seamless integration with SIMOTICS motors and SINAMICS control components creates optimized drive systems.The automated configuration through DRIVE-CLiQ eliminates manual parameter setting errors.This interoperability reduces engineering time and improves system reliability.

Application Scenarios

This module is ideal for main spindle drives in machine tool applications.It provides the necessary power and dynamics for precision machining operations.The high overload capacity handles the torque demands during cutting processes.

In material handling systems,it drives conveyor belts and positioning axes.The precise speed control ensures accurate material transport and positioning.The robust design withstands the demanding operating conditions in logistics applications.

Packaging machinery utilizes this module for synchronized motion control.It enables precise coordination between multiple axes for filling,labeling,and wrapping operations.The fast response time improves packaging cycle times and quality.

Installation Requirements

Mount the module vertically on a mounting plate with sufficient heat dissipation capacity.Ensure adequate clearance for air circulation around the heat sink surfaces.Follow the specified torque values for all electrical connections.

The mounting surface should provide good thermal conductivity to assist cooling.Use thermally conductive paste between the module and mounting plate as recommended.Maintain the specified minimum distances from other heat-producing components.

Install the system according to EMC guidelines for reliable operation.Use shielded cables for motor connections and proper grounding techniques.Implement the recommended line filters for electromagnetic compatibility.

Electrical Connections

Connect the power supply using appropriately sized cables and fuses.The DC link connection enables energy sharing between modules in multi-drive systems.Follow the specified tightening torques for all power terminals.

The DRIVE-CLiQ connection requires specific Siemens cables for reliable communication.Connect the motor using shielded symmetrical cables to minimize electromagnetic interference.Implement proper strain relief for all cable connections.

The safety functions require correct wiring of the safe torque off(STO)circuits.These safety connections must be implemented according to the applicable safety standards.Verify all electrical connections before initial power-up.

Commissioning Procedure

Establish the DRIVE-CLiQ connection to the Control Unit for automatic detection.The system automatically transfers the necessary parameters to the Motor Module.Verify the recognized component matches the hardware configuration.

Perform the automatic motor identification routine for optimized control performance.This procedure measures electrical parameters and configures the control loops.The system automatically sets the current controller parameters for optimal response.

Test the basic functions at low speed to verify proper operation.Check the rotation direction and monitor for any unusual noises or vibrations.Validate the safety functions before putting the system into full operation.

Maintenance Requirements

Regularly inspect the cooling surfaces for dust accumulation and clean as necessary.Check all electrical connections for tightness during routine maintenance.Monitor the module temperature through the diagnostic parameters.

Perform visual inspections for any signs of component damage or overheating.Check the DC link capacitors for bulging or leakage according to the maintenance schedule.Document all maintenance activities for system history.

Update the firmware when new versions become available to access improved features.Backup the parameter sets after any significant configuration changes.Keep spare parts available for critical components to minimize downtime.

10 Frequently Asked Questions

What Control Unit is required to operate this Motor Module?

The 6SL3120-1TE21-8AA4 requires a SINAMICS S120 Control Unit for operation.The Control Unit provides the intelligence for drive control and communicates with higher-level automation systems.It handles motion control tasks and system coordination.

Common Control Units include the CU320-2 series with various interface options.The Control Unit and Motor Module connect via DRIVE-CLiQ for data exchange.This architecture separates control functions from power electronics.

The Control Unit can manage multiple Motor Modules in a multi-axis system.The specific Control Unit selection depends on the application complexity and interface requirements.Siemens provides compatibility matrices for appropriate component selection.

How does DRIVE-CLiQ simplify system commissioning?

DRIVE-CLiQ enables automatic component detection and parameterization.When components are connected,the system automatically identifies them and transfers basic parameters.This eliminates manual entry of motor and drive data.

The digital interface provides comprehensive diagnostic information for all connected components.It monitors temperature,operating hours,and component status in real-time.This facilitates predictive maintenance and troubleshooting.

DRIVE-CLiQ reduces wiring complexity compared to analog drive systems.The single cable connection replaces multiple analog and digital signal wires.This simplifies cabinet layout and reduces installation time.

What safety functions are integrated into this Motor Module?

The module includes Safe Torque Off(STO)functionality as a standard safety feature.STO prevents unexpected motor start-up by safely disconnecting the motor from the power supply.This safety function meets SIL 3 according to IEC 61508.

The safety functions are implemented through redundant evaluation circuits.They require a separate safety-oriented connection to the control system.These connections must be wired according to applicable safety standards.

Additional safety functions like Safe Stop 1(SS1)and Safe Operating Stop(SOS)can be implemented.These require appropriate configuration in the Control Unit and safety peripherals.Always verify safety function performance during commissioning.

Can multiple Motor Modules be connected to one power supply?

Multiple Motor Modules can share a common DC link connection in a multi-drive system.This configuration allows for energy exchange between drives during operation.Braking energy from one module can be used by other modules.

A common line module typically provides the DC link power for the system.This architecture reduces overall system cost and component count.It also improves system efficiency through energy sharing.

The DC link connection requires proper current carrying capacity for the combined loads.The system design must account for the total power requirements of all connected modules.Proper protection devices ensure safe operation.

What is the difference between book-size and chassis-size modules?

Book-size modules are designed for compact control cabinet installation with coldplate cooling.They feature standardized dimensions for efficient space utilization.This format is ideal for distributed cabinet layouts.

Chassis-size modules are larger units designed for higher power applications.They typically use forced air cooling with internal fans.These modules are used in central cabinet installations with higher power requirements.

The selection between book-size and chassis-size depends on power requirements and installation constraints.Book-size modules offer better space efficiency for lower power applications.They also provide more flexible installation options.

How is the cooling system maintained for long-term reliability?

The coldplate cooling system requires no regular maintenance under normal conditions.The cooling surfaces should be kept clean to maintain optimal heat transfer.Regular inspection ensures no dust accumulation impairs cooling performance.

The mounting surface must maintain good thermal contact with the module.Periodically verify the thermal paste condition if used in the installation.Ensure adequate air circulation around the installed modules.

In environments with high dust levels,more frequent cleaning may be necessary.Never operate the module with blocked cooling surfaces.Monitor the module temperature through diagnostic parameters for early problem detection.

What causes overtemperature faults and how are they resolved?

Overtemperature faults occur when the power semiconductors exceed their temperature limits.Common causes include insufficient cooling,overload conditions,or high ambient temperatures.Check for blocked cooling paths or dust accumulation on heat sinks.

Continuous operation beyond the rated current specification causes excessive heating.Verify the load profile matches the module's capability characteristics.Consider external cooling if ambient temperatures are consistently high.

In multi-drive installations,ensure adequate spacing between modules for air circulation.Review the installation against the manufacturer's environmental specifications.Implement derating if necessary for high temperature environments.

How is the motor cable length determined for this module?

The maximum motor cable length depends on the motor type and switching frequency.For servo motors with 4 kHz switching frequency,typical maximum length is 100 meters.Longer cables require reduced switching frequency to avoid voltage reflection issues.

Shielded symmetrical cables must be used for motor connections.The cable specifications affect the maximum permissible length.Higher capacitance cables may require shorter maximum lengths.

For applications requiring very long motor cables,consider using output filters.These components reduce voltage stress on the motor insulation system.Always consult the technical documentation for specific cable recommendations.

What diagnostic capabilities are available through DRIVE-CLiQ?

The DRIVE-CLiQ interface provides comprehensive diagnostic information in real-time.This includes operating hours,temperature measurements,and component status.The system logs fault messages with timestamps for troubleshooting.

Power component utilization and load profiles are available for analysis.This data helps optimize machine operation and prevent overload conditions.Predictive maintenance functions monitor component aging and performance degradation.

The diagnostic information can be accessed through the engineering software or web server.This enables remote monitoring and maintenance of the drive system.Comprehensive diagnostics reduce downtime through early fault detection.

How are firmware updates performed on this module?

Firmware updates are performed using Siemens SINAMICS Startdrive or SCOUT engineering tools.The update process requires a connection to the Control Unit via PROFINET or USB.The system automatically distributes firmware to all connected components.

Always backup the current parameter set before performing firmware updates.The update process may require temporary system shutdown and restart.Verify compatibility between component firmware versions after updating.

New firmware versions provide performance improvements and additional features.Regular updates help maintain system reliability and access latest functionalities.Document firmware versions as part of the maintenance records

Beijing Zhongping Technology Co., Ltd. is a leading provider of industrial automation solutions, intelligent robotics, and advanced system integration services. With decades of expertise, the company has established long-term strategic partnerships with global industry leaders such as Siemens, ABB, Electric, , Yaskawa, , leveraging their cutting-edge technologies to deliver innovative, tailored solutions across diverse sectors.

Specializing in technical support, product distribution, and end-to-end engineering services-including system design, installation, commissioning, and maintenance-Beijing Zhongping Technology ensures seamless operational efficiency for clients in industries spanning automotive manufacturing, battery production, aerospace, oil and gas, chemical processing, food and pharmaceuticals, logistics, metallurgy, and heavy machinery. By harnessing its robust global supply chain network and a highly skilled technical team, the company guarantees precision-driven resource allocation, rapid response capabilities, and cost-effective procurement strategies. These capabilities empower clients to streamline operations, reduce downtime, and enhance competitive advantage in dynamic markets. Committed to excellence, Beijing Zhongping Technology remains dedicated to advancing industrial innovation while fostering sustainable growth and value creation for enterprises worldwide.
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