Panasonic CM402 Y Axis 1000W Digital AC Servo Driver KXFP6GB0A00 for SMT Pick and Place Machines

KXFP6GB0A00 / Mitsubishi MR-J2S-100B-EE085

The Panasonic KXFP6GB0A00 Y Axis Servo Driver, powered by Mitsubishi MR-J2S-100B-EE085, is a high-performance AC servo amplifier designed for Panasonic CM series SMT pick and place machines, especially the CM402 platform.

This servo driver controls the Y-axis motion system, which performs the primary linear movement of the placement head. It converts digital motion commands from the machine controller into precise electrical drive signals for the servo motor, ensuring high-speed positioning, stable acceleration, and high-accuracy component placement.

In modern SMT production, the servo driver is not just a power device — it is the core motion control processor of the entire machine axis.

In Panasonic CM machines:

• X-axis: Horizontal positioning
• Y-axis: Main forward and backward movement
• Z-axis: Vertical pick & place
• Theta-axis: Rotation and alignment

The Y-axis defines:

• Machine travel range
• Placement throughput
• Head synchronization
• System cycle efficiency

Any instability in the Y-axis servo system directly causes:

• Placement deviation
• Vision alignment error
• Servo alarms
• Emergency stops
• Production downtime

The MR-J2S series belongs to Mitsubishi’s MELSERVO J2-Super platform, widely used in:

• SMT machines
• CNC systems
• Robotics
• Semiconductor equipment
• Precision automation

Key features:

• High-speed current loop control
• High-resolution encoder feedback
• Real-time torque regulation
• Intelligent protection functions

This ensures smooth acceleration, zero overshoot, and micron-level positioning accuracy even in high-load industrial environments.

The servo system operates using three nested closed loops:

Controls instantaneous motor torque.

Regulates motor speed under dynamic load.

Ensures exact final positioning.

These loops operate simultaneously, allowing the driver to dynamically adjust output based on load, trajectory, and feedback.

This architecture enables:

• High response speed
• Stable motion under heavy load
• Low vibration
• Long-term reliability

From real industrial data, failures are mainly caused by:

• Heat accumulation inside cabinets
• Dust contamination on PCB
• Unstable power supply
• Capacitor aging after 5–7 years
• Poor grounding or EMI interference

Servo drivers usually fail electronically and suddenly, not mechanically.

• Always power off before wiring
• Wait at least 15 minutes after power-off
• Never touch terminals when powered
• Ensure proper grounding (PE)
• Do not expose to oil mist or moisture
• Ensure cabinet ventilation

Incorrect operation may result in:

• Electric shock
• Fire hazard
• Permanent equipment damage

Downtime cost is always much higher than servo driver cost.

Replacing a degraded servo driver can:

• Restore axis accuracy
• Eliminate random alarms
• Improve production stability
• Extend machine service life
• Reduce maintenance risk

• New – Original brand new
• Used – Original used, fully tested
• Refurbished – Repaired and performance verified

All units undergo:

• Power-on test
• Alarm self-check
• Communication verification
• Load simulation (if required)

Panasonic CM402 Servo Driver
KXFP6GB0A00
MR-J2S-100B-EE085
Panasonic CM Series Servo
SMT Servo Amplifier
Pick and Place Servo Driver
Mitsubishi Servo Drive
Panasonic SMT Spare Parts

Contact us today for pricing and technical confirmation of
Panasonic CM402 Y Axis Servo Driver – KXFP6GB0A00 / MR-J2S-100B-EE085.

Please provide your machine model and error code for fast verification.
Professional technical support available for Panasonic and Mitsubishi motion systems.