MINAS A7 Servo Drives
MINAS A7 Servo Drives represent a high-precision servo system engineered for global industrial applications. Featuring a 27-bit encoder and 4.0kHz response frequency, this system achieves micron-level positioning accuracy. It supports mainstream industrial communication protocols including EtherCAT and RTEX, and incorporates AI automatic tuning technology for optimal parameter adjustment across various devices—from quick setup to ultra-precise calibration—significantly reducing commissioning time and operational complexity. With a power range of 50W to 1kW and compliance with global industrial standards, these servo drives deliver stable performance, low vibration, and strong overload capacity, making them ideal for demanding applications such as semiconductor manufacturing, industrial robots, CNC machines, and high-speed production lines worldwide.
Core Product Features
Top-tier Motion Performance Parameters
Equipped with a 27-bit encoder offering 134,217,728 P/rev resolution, the speed loop frequency response exceeds 4.0kHz, and maximum motor speed reaches 7150 r/min, enabling millisecond-level command response and interference correction.
AI Intelligent Tuning System
Built-in automatic tuning functions including precAIse TUNING and One Minute TUNING support fully automatic debugging from simple startup to expert-level parameter configuration, eliminating the need for professional engineers during optimization.
Multi-protocol Communication & Control Modes
Compatible with mainstream industrial buses including EtherCAT, RTEX, Ethernet/IP, and Modbus. Supports seamless switching among position, speed, and torque control modes, and can directly connect with sensors for closed-loop feedback, enabling specific functions without a host controller.
Full-scenario Adaptive Design
Power range covers 50W-5.0kW, offering high/medium/low inertia and low-speed high-torque models. Supports linear/DD motor control, with a compact body that shares the same interface and flange dimensions as the MINAS A6 series, enabling direct replacement.
Intelligent Maintenance Functions
Features drive data logging for quick fault tracing, supports deterioration diagnosis and real-time online monitoring. Also compatible with OPC UA and FTP servers, facilitating remote operation and maintenance management.
Core Product Advantages
- Dual Improvement in Precision & Efficiency: Micron-level positioning accuracy combined with high-speed response capability significantly shortens equipment processing cycles. Optimized multi-axis synchronization control precision makes it ideal for high-precision scenarios such as semiconductor packaging and robotic pick-and-place operations.
- Dramatically Reduced Commissioning Costs: AI auto-tuning function cuts setup time by 90%, simplifies complex parameter configuration processes, lowers requirements for technicians' professional skills, and reduces on-site commissioning man-hours.
- Strong System Compatibility: Complies with IEC61131-3 standards and PLCopen protocols, enabling seamless integration with overseas brand PLCs (e.g., Siemens, Rockwell). No system modification needed for retrofitting old equipment, fully adapting to global industrial scenarios.
- Stable, Reliable & Anti-interference: Enhanced external interference suppression capability ensures stable operation under complex working conditions such as load fluctuations and electromagnetic interference. Combined with dust-proof and water-proof design, it adapts to harsh industrial environments like high-temperature and dusty workshops.
- Hassle-free Full Life Cycle Management: Globally certified to meet UL/EN standards, with a well-established overseas distribution network for timely spare parts supply. Intelligent diagnosis functions predict potential faults, extending equipment service life and reducing maintenance costs.
Core Technical Parameters
| Parameter Category |
Specification |
| Encoder Resolution |
27-bit absolute encoder, 134217728 P/rev |
| Speed Loop Frequency Response |
Up to 4.0kHz |
| Power Range |
50W - 5.0kW |
| Control Modes |
Position control, speed control, torque control (seamless switching); full closed-loop control support |
| Communication Protocols |
EtherCAT, RTEX, Ethernet/IP, Modbus RTU/TCP |
| Maximum Motor Speed |
Up to 7150 r/min |
| Overload Capacity |
1.9 times rated torque (for 30s) |
| Communication Cycle |
As low as 62.5μs (EtherCAT/RTEX) |
| Intelligent Functions |
AI auto-tuning, deterioration diagnosis, fault data logging, remote monitoring |
| Mechanical Compatibility |
1:1 dimension & interface match with MINAS A6 series |
| Supported Motor Types |
Rotary servo motor (high/medium/low inertia), linear servo motor, direct drive motor |
| Power Supply Voltage |
Single-phase 200 - 240V AC; three-phase 200 - 240V AC; three-phase 380 - 480V AC |
| Protection Functions |
Overcurrent, overvoltage, undervoltage, overload, overheating, encoder fault, regenerative overload protection |
| Global Certifications |
UL, EN, CUL, RoHS compliant |
Overseas Available Model List
| Drive Series |
Drive Model |
Compatible Motor Series |
Power Range |
Communication Protocol |
Model Type Description |
| MINAS A7B (EtherCAT) |
MADKT05BE/MADKT05BF |
MSMG (Low Inertia) MHMG (High Inertia) MGMG (Medium Inertia Low-Speed High Torque) |
50W - 5kW |
EtherCAT |
BE = Standard Type BF = Multi-Function Type |
| MADKT15BE/MADKT15BF |
| MBDKT25BE/MBDKT25BF |
| MCDKT35BE/MCDKT35BF |
| MDDKT45BE/MDDKT45BF |
| MDDKT55BE/MDDKT55BF |
| MINAS A7N (RTEX) |
MADKN05NE/MADKN05NF |
MSMG/MHMG/MGMG |
50W - 5kW |
RTEX |
NE = Standard Type NF = Multi-Function Type |
| MADKN15NE/MADKN15NF |
| MBDKN25NE/MBDKN25NF |
| MCDKN35NE/MCDKN35NF |
| MDDKN45NE/MDDKN45NF |
| MDDKN55NE/MDDKN55NF |
| MINAS A7S (Pulse/Modbus) |
MADKS05SE/MADKS05SF |
MSMG/MHMG/MGMG |
50W - 5kW |
Pulse Train/Modbus RTU/TCP |
SE = Position Control Type SF = Multi-Function Type |
| MADKS15SE/MADKS15SF |
| MBDKS25SE/MBDKS25SF |
| MCDKS35SE/MCDKS35SF |
| MDDKS45SE/MDDKS45SF |
| MDDKS55SE/MDDKS55SF |
| MINAS A7L (Linear/DD Motor) |
MADKL05BL/MADKL05BM |
Linear Servo Motor Direct Drive Motor |
50W - 5kW |
EtherCAT/RTEX |
BL = Standard Type BM = Multi-Function Type |
| MADKL15BL/MADKL15BM |
| MBDKL25BL/MBDKL25BM |
| MCDKL35BL/MCDKL35BM |
| MDDKL45BL/MDDKL45BM |
| MDDKL55BL/MDDKL55BM |
Notes:
Motor Model Examples: MSMG012A1A (100W low inertia), MHMG042A1A (400W high inertia), MGMG132A1A (1.3kW medium inertia). The specific suffix needs to match voltage and installation specifications.
Power Supply: Single-phase/three-phase 200-240V AC, three-phase 380-480V AC, compliant with global standards.
Industry Application Fields
- Semiconductor & Flat Panel Display (FPD) Manufacturing: Applied in core equipment such as spin coaters, dicing saws, die bonders, IC handlers, and substrate inspection devices. 27-bit high-resolution encoding and 4.0kHz high-speed response enable ultra-precise control of wafer processing and microchip transfer.
- Industrial Robotics: Core power component for 6-axis articulated robots, SCARA robots, and collaborative robots. Supports low-latency multi-axis synchronization via EtherCAT/RTEX protocols for smooth and precise motion control in automotive parts welding, electronic component assembly, and food sorting.
- CNC Machine Tools & Precision Machining: Applied in metalworking machines, laser processing machines, injection molding machines, presses, and pipe bending machines. 27-bit encoder achieves nanometer-level precision, and 4.0kHz speed response ensures stable cutting quality.
- 3C Electronic Manufacturing: Deployed in SMT placement machines, PCB drilling equipment, and precision mobile phone assembly lines. High-speed positioning capability (over 30,000 points per hour) and low vibration characteristics improve electronic product yield.
- Automotive Manufacturing & Parts Processing: Used in automotive body welding lines, engine component assembly equipment, battery module assembly lines, and gear processing machines. Dust-proof and oil-resistant design adapts to harsh workshop environments.
- Packaging & Textile Industry: Applied in high-speed packaging machines, labeling machines, and textile processing equipment. Supports high-frequency start-stop operations with compact body and easy commissioning.
- Medical Equipment: Used in precision medical testing equipment and drug filling machines. Complies with international medical EMC standards, ensuring precise drug administration and test sample handling.
- Logistics & Intelligent Warehousing: Power component for AGVs/AMRs and stackers. Features smooth speed regulation and compatibility with industrial buses, enabling efficient and accurate material transfer.
Frequently Asked Questions
Q1: We are using the MINAS A7 in a European factory, but the servo keeps experiencing voltage fluctuations and occasionally shuts down. Is this a quality issue?
A1: It's most likely not a quality problem, but mainly a mismatch with the local power grid. The three-phase voltage in Europe is 400V, while some A7 models are default 380V for the Asian market. First, check the drive nameplate to confirm the voltage rating. If it's 380V, you need to adjust the voltage parameter in the software (there is a 380V/400V switching option) or install a voltage stabilizer. In addition, the power grid interference in European factories is usually more complex, and adding a filter on the power input side can help stabilize operation.
Q2: We want to connect the MINAS A7 to a Siemens PLC in our North American factory, but communication keeps failing. How to handle this?
A2: The core issue is protocol compatibility. The A7 supports EtherCAT and RTEX, while Siemens PLCs usually use PROFINET or EtherCAT. If using EtherCAT, ensure that the bus settings of the A7 are consistent with those of the PLC (such as station number and communication cycle); if using PROFINET, an additional protocol conversion module is required. Also, note that the industrial bus wiring standards in North America and Asia are different. You must use shielded twisted-pair cables as required and ensure proper grounding to avoid signal loss due to electromagnetic interference.
Q3: Our factory in Southeast Asia is in a high-temperature and high-humidity environment, and the MINAS A7 drive often overheats and reports errors. How to solve this?
A3: High temperature and high humidity are the main causes. First, check if the drive's installation space meets the requirements--there should be at least 10cm of ventilation gap around it. Install exhaust fans or air conditioning in the workshop to keep the ambient temperature below 40°C. Regarding humidity, avoid installing the servo near water sources or areas with condensation; add a waterproof cover if necessary. In addition, regularly clean the dust on the drive's heat sink--dust accumulation will seriously affect heat dissipation.
Q4: When importing the MINAS A7 to Australia, customs held the goods saying the certifications are incomplete. What certifications are required for overseas markets?
A4: Different regions have different mandatory certifications. Australia requires C-tick or RCM certification; the EU requires CE certification (including LVD low-voltage directive and EMC electromagnetic compatibility directive); North America requires UL or cUL certification. Mainstream A7 models have these certifications, but you need to confirm with the supplier that the certification documents are valid and match the model. In addition, prepare English product manuals, certificates of conformity and other documents, as customs often inspects them. Tip: Discontinued or custom models may lack some certifications, so be sure to confirm in advance before purchasing.
Q5: On our custom equipment in India, the AI auto-tuning function of the MINAS A7 seems ineffective, and the servo still vibrates during operation. What's the problem?
A5: The AI auto-tuning works best for standard equipment; custom machines may require manual parameter adjustment. First, check if the load inertia setting is correct--if the inertia ratio between the load and the motor is too large, the auto-tuning will fail. You can use the A7's inertia measurement function to get the actual load inertia, then manually adjust the gain parameters. If vibration persists, try enabling the vibration suppression function in the software. If you are not familiar with parameter tuning, contact the local Panasonic technical support for remote guidance--they have experience with various custom scenarios.
Q6: Our factory in Mexico needs to replace the encoder battery of the MINAS A7, but we can't find the same model locally. Can we use a substitute?
A6: Do not use random substitutes, as this may cause loss of encoder data. The encoder battery of the A7 is a special lithium battery (model CR2450 or CR1220, depending on the motor model). You can purchase original batteries which usually delivers within 2-3 days. In addition, it is recommended to stock up on spare batteries when purchasing the servo, especially for factories in remote areas. Reminder: Replace the battery within 5 minutes after powering off to avoid losing absolute position data.
Q7: The MINAS A7 in our German factory often reports a "regenerative overload" error during frequent start-stop operations. How to solve this?
A7: Frequent start-stop generates a lot of regenerative energy, which cannot be handled by the drive's built-in regenerative resistor. The solution is to install an external regenerative resistor and calculate the required resistor capacity according to the motor power (Panasonic provides a selection formula in the manual). If the German factory has strict energy-saving requirements, you can also choose a regenerative converter to recover energy back to the power grid--this not only solves the overload problem but also saves electricity. In addition, check if the deceleration time is set too short; appropriately extending the deceleration time can reduce the generation of regenerative energy.
Q8: Our technicians in Brazil cannot understand the English manual of the MINAS A7. Is there a Portuguese version available?
A8: Yes. Panasonic provides multi-language manuals for the A7, including Portuguese, Spanish, German, etc. You can download them from the Panasonic Industrial official website (select the Brazil region). The debugging software (PANATERM) also supports Portuguese--just change the language setting in the software.
