Global Universal EtherCAT L7 AC Servo Drive

Core Features: High-performance global AC servo drive series developed by Leadshine, featuring multi-protocol support (EtherCAT, Profinet, Modbus).

Performance Highlights:

Dynamic Response: Fast response capability with stable and smooth operation.
User-Friendly: Designed for easy tuning and simple configuration.
Key Applications: Tailored for high-precision industrial automation, including electronics, robotics, laser processing, and CNC equipment.

Category: Servo Motors and Drives

Description
Technical Parameters

Leadshine L7 Series Global AC Servo Drive

High-performance global AC servo drive series by Leadshine, supporting EtherCAT/Profinet/Modbus, fast response, easy tuning & stable operation for electronics, robotics, laser and CNC automation equipment.

The L7 Series Global AC Servo Drive is independently developed and manufactured by Shenzhen Leadshine Intelligent Control Co., Ltd., a professional motion control manufacturer serving global industrial automation markets.

This universal servo system fully supports mainstream industrial communication protocols including EtherCAT, Modbus RTU and Profinet, delivering outstanding dynamic performance, cost-effectiveness, operational safety & stability, and user-friendly commissioning experience.

Equipped with integrated rigidity table configuration, auto inertia identification and built-in vibration suppression algorithms, the L7 series drastically simplifies servo parameter debugging. Paired with ACM2 high-response servo motors featuring 24-bit multi-turn absolute optical encoders, the whole system achieves ultra-smooth operation and micron-level precise motion control.

The L7 portfolio covers 3 customized variants to match diverse automation demands worldwide:

1.L7N (EtherCAT Bus Servo System)

Universal EtherCAT fieldbus servo solution for high-speed multi-axis synchronized automation scenarios

125μs ultra-short bus synchronization cycle, ideal for multi-axis synchronous linkage
Standard dynamic brake configuration
Optional enhanced version with STO safety function (SIL3 safety rating)
USB offline parameter upload/download supported
2. L7P (Pulse Command Servo System)
Pulse & analog input servo drive for traditional machine retrofits and single-axis standalone equipment
Max 4MHz high-frequency pulse command input, meets high-speed positioning needs
Abundant I/O terminals: 8 digital inputs + 5 digital outputs
Analog input & output available for speed/torque analog control
24-bit multi-turn absolute encoder equipped; standard dynamic brake
3. L7PN (Profinet Bus Servo System)
Profinet industrial Ethernet servo drive perfectly compatible with Siemens PLC systems

All models adopt unified high-speed control architecture with 3.2kHz speed loop bandwidth, ensuring consistent excellent dynamic performance across the entire series.

Fully compliant with Profinet industrial Ethernet, supports mainstream telegram 1/3/102/105/111
3.2kHz speed loop bandwidth for steady dynamic response
Built-in one-click auto-tuning, lowers technical threshold for Profinet system integration

L7N EtherCAT Bus Servo Drive

Core Advantages

General Universal Strengths (All L7 Models)

✅ Superior Dynamic Performance

3.2kHz high speed loop bandwidth, ultra-fast response for frequent start-stop & high-speed positioning tasks

✅ Simplified Servo Commissioning

One-click auto-tuning, inertia recognition, rigidity adjustment & vibration suppression functions; drastically cuts debugging time for engineers

✅ High Precision Motion Output

Matched with 24-bit multi-turn absolute encoder ACM2 servo motors; stable, jitter-free running with ultra-precise positioning

✅ Multi-Protocol Compatibility

Seamless access to EtherCAT / Profinet / Modbus industrial networks, compatible with mainstream global PLC & motion controllers

✅ Global-Grade Safety & Reliability

Built-in dynamic brake as standard; optional STO safety function (SIL3 certified); comprehensive overvoltage, overcurrent, overheat protection for harsh workshop environments

✅ Convenient Parameter Management

Support parameter import & export via USB power supply only; easy backup, duplication and program iteration for equipment OEMs

- Industry Applications
- Leadshine L7 series servo systems are widely adopted as core motion control components for automated manufacturing equipment across global industries:
- Electronic Manufacturing Equipment
  - PCB assembly equipment (pick-and-place machines)
  - Semiconductor processing tools
  - Electronic component testing systems
  - Precision dispensing and coating machines
  - Automated optical inspection (AOI) equipment
  Robotics & Motion Control
  - SCARA and 6-axis industrial robots
  - Collaborative robots (cobots)
  - Cartesian coordinate robots
  - Gantry systems and linear motion stages
  - Delta robots for high-speed packaging
  Laser Processing
  - Fiber laser cutting and engraving machines
  - CO2 laser systems
  - Laser marking and micromachining equipment
  - 3D laser printing systems
  Machine Tools & Machining
  - CNC milling and turning centers
  - Grinding machines
  - Precision lathes
  - Woodworking machinery
  - Metal forming equipment
  Other Automation Machinery
  - Automated packaging lines
  - Material handling systems
  - Printing and converting machinery
  - Textile and garment production equipment
  - Packaging equipment
  Techinical Parameters

General Common Questions

Q1: What is Leadshine L7 series servo drive?

A: The L7 series is a globally applicable AC servo drive independently developed by Leadshine. It includes three variants: L7N (EtherCAT bus), L7P (pulse control), L7PN (Profinet bus). It supports mainstream industrial communication protocols, features high response speed, easy commissioning, vibration suppression and stable operation, paired with ACM2 24-bit multi-turn absolute encoder servo motors for high-precision motion control, widely used in automation machinery worldwide.

Q2: What communication protocols does the L7 servo series support?

L7N: EtherCAT + Modbus
L7P: Pulse signal + Analog + Modbus
L7PN: Profinet + Modbus
All models are compatible with mainstream global PLC and motion controllers.

Q3: What is the speed loop bandwidth of all L7 models?

A: All L7N, L7P, L7PN servo drives adopt a unified 3.2kHz speed loop bandwidth, delivering fast dynamic response and excellent frequent start-stop performance.

Q4: Can parameters be imported and exported via USB? Does external power supply required?

A: Yes. All L7 series support parameter import and export via USB alone, no extra power input needed. It is convenient for parameter backup, mass equipment program copying and after-sales maintenance.

Q5: Does L7 series come with dynamic brake as standard?

A: Yes, dynamic braking function is equipped on L7N, L7P and L7PN by default, which effectively realizes rapid motor stopping and improves operational safety.

L7N (EtherCAT Version) Specific FAQs

Q1: What is the bus synchronization cycle of L7N EtherCAT servo?

A: The synchronous cycle reaches 125μs, suitable for multi-axis high-speed synchronous linkage scenarios such as robotic arms and automated assembly lines.

Q2: Does L7N support STO safety function? What safety level?

A: The enhanced version of L7N supports STO safety function, which complies with SIL3 safety standard, applicable to equipment requiring high safety specifications.

Q3: Which scenarios is L7N most suitable for?

A: Multi-axis linkage automation equipment: electronic assembly equipment, gantry robots, high-speed dispensing machines, laser automated production lines.

L7P (Pulse Control Version) Specific FAQs

Q1: What is the maximum input pulse frequency of L7P?

A: It supports up to 4MHz pulse command input, satisfying high-speed positioning demands of traditional machinery.

Q2: How many I/O terminals does L7P have?

A: 8-channel digital input + 5-channel digital output, rich I/O ports for limit switch, origin return, alarm signal and other peripheral logic control.

Q3: Does L7P support analog input and output?

A: Yes, analog quantity input and output are available, which can realize speed mode and torque mode control.

Q4: What encoder does L7P match?

A: Matched with 24-bit multi-turn absolute optical encoder ACM2 servo motor, no need to reset origin after power failure.

Q5: When should customers choose L7P pulse servo?

A: Traditional machine renovation, single-axis independent equipment, old PLC systems without bus communication function, small engraving machines and laser marking equipment.

L7PN (Profinet Version) Specific FAQs

Q1: Which Profinet telegrams does L7PN support?

A: Compatible with mainstream Profinet telegrams: Telegram 1, 3, 102, 105, 111, perfectly matched with Siemens PLC systems.

Q2: Does L7PN have one-click auto-tuning function?

A: Yes. Built-in one-click auto-tuning, automatically identifies load inertia, suppresses mechanical resonance and vibration, greatly lowering the debugging difficulty for engineers.

Q3: What application fields fit L7PN best?

A: Equipment adopting Siemens automation systems: CNC machine tools, packaging machinery, automated production lines in European factories.

Commissioning & Performance FAQs

Q1: Is L7 servo complicated to debug?

A: No. All series are embedded with inertia automatic identification, rigidity table setting and vibration suppression functions. One-click tuning can complete most debugging work, effectively eliminating mechanical jitter and resonance.

Q2: What are the advantages of matching ACM2 servo motor?

A: ACM2 servo motor is equipped with 24-bit multi-turn absolute encoder, featuring high response, stable operation, high positioning accuracy, no zero return after power off, perfectly matching L7 drive to realize precise motion control.

Q3: Can L7 servo suppress mechanical vibration?

A: Yes. Built-in professional vibration suppression algorithm + rigidity adjustment function, which can well solve resonance and jitter problems caused by mechanical gaps and long

transmission structures.

Application & After-sales FAQs

Q1: What industries can L7 series servo be applied to?

A: Electronic manufacturing equipment, industrial robotic arms, laser processing machinery, CNC machine tools, packaging automation equipment, automated testing assembly lines, etc.

Q2: Is L7 series suitable for global overseas use?

A: It is designed as a global universal model, with wide voltage adaptation, international safety certification, multi-language debugging software and global after-sales technical support.

Q3: What if I don’t know which model to select?

A: You can inform us your axis quantity, control mode (bus/pulse), PLC brand, load weight and motion speed requirements, and our engineers will recommend the most suitable servo model for you.

Q4: What is the warranty period for Leadshine L7 servo drives and motors?

A: Standard 12-month global warranty under normal operating conditions.

Model	L7P
Rated Power(W)	100-2000
Rated Current(Arms)	1.2-12
Max Current(Arms)	4.8-36
Power Supply	AC220 Single Phase / 3 Phase
Input Interface	Pulse / RS485 / Analog
CE Certificate	Yes