A servo motor is a rotary actuator designed for precise position, speed, and torque control. It works in a closed-loop system, where feedback (usually from an encoder) allows the drive to adjust motor output in real time.
🏷️ 1. Panasonic Servo System Components
Panasonic AC servo systems consist of:
Component Description
AC Servo Motor Brushless, permanent magnet, high-torque motor
Servo Drive (Amplifier) Controls power and motion commands to the motor
Encoder Attached to motor shaft, provides position/speed feedback
Controller (PLC, motion controller) Sends motion commands to the drive
📦 2. Major Panasonic Servo Series
Series Features Applications
MINAS A6 High precision, ultra-fast response, high safety Robotics, precision machinery
MINAS A5 Excellent performance, wide torque range CNC, packaging, textile
MINAS BL Economical, brushless, basic servo system Conveyor belts, low-cost automation
MINAS E/EZ Integrated Ethernet, compact size Networked systems, modern factories
⚙️ 3. Key Features
✅ High Precision and Speed
Encoder resolution up to 23-bit absolute (MINAS A6 series)
Response frequency up to 3.2 kHz
High positioning accuracy and repeatability
✅ Compact & Lightweight
Compact motor sizes with high power-to-weight ratio
Efficient heat dissipation
✅ Real-time Feedback and Control
Built-in encoders allow for precise real-time feedback on position, speed, and torque.
Feedback types:
Incremental
Absolute
Resolver (for special applications)
✅ Advanced Motion Functions
Position, velocity, torque control modes
Electronic gearing
Auto-tuning and vibration suppression
Command interfaces: Pulse train, analog, or fieldbus (e.g., EtherCAT)
✅ Connectivity and Communication
RS-232 / RS-485
EtherCAT, MECHATROLINK, Modbus
Easy integration with Panasonic PLCs (FP series) and HMIs
🔌 4. Wiring and Installation
Motor Side:
Power cables (U, V, W for 3-phase AC)
Encoder feedback cable
Brake cable (optional for vertical loads)
Drive Side:
Main power input (typically 200–240V AC single/three-phase)
Control power input
I/O signals for enabling, alarms, limit switches
Communication interface
🛠️ Panasonic provides software like PANATERM to configure, tune, and monitor the servo system via PC.
📋 5. Example Specs – Panasonic MINAS A6 Series
Spec Value
Output power 50W to 5kW
Rated speed 3000 rpm
Max speed 6000 rpm
Rated torque 0.16 Nm to 31.8 Nm
Encoder resolution 23-bit absolute (8.38 million pulses/rev)
Power supply 200–240V AC
Communication options EtherCAT, Modbus, Pulse/Analog
📌 6. Typical Applications
Panasonic servo motors are used in:
CNC machinery
Robotics arms
Labeling machines
Textile and embroidery machines
Pick-and-place automation
Conveyor systems
Packaging machines
Automated guided vehicles (AGVs)
🧪 7. Tuning and Software
🛠️ PANATERM Software
Auto-tuning of servo parameters (gain, damping, etc.)
Vibration suppression filters
Real-time waveform analysis (position, speed, torque)
Parameter backup/restore
Error log and diagnostics
⚠️ 8. Alarms and Troubleshooting
Panasonic servo drives display alarm codes for easy diagnostics:
Alarm Code Cause Remedy
A080 Overcurrent Check motor wiring, load torque
A090 Overvoltage Check power supply and regen resistor
A300 Encoder communication error Check encoder cable
A470 Overload Reduce load or increase motor size
🔄 9. Integration with Other Systems
Panasonic servos can integrate with:
Delta / Siemens / Mitsubishi PLCs
Panasonic FP series PLCs
CNC controllers
Industrial Ethernet networks via EtherCAT, Modbus TCP, etc.
SCADA or HMI systems for monitoring
✅ Summary: Why Choose Panasonic Servo?
✅ High performance (fast, precise, reliable)
✅ Advanced tuning and motion control
✅ Excellent software tools (PANATERM)
✅ Versatile communication options
✅ Proven reliability in industrial environments
