Description
The NSK EDC-PN2012AB5F5-B is a precision servo drive controller designed to operate with NSK’s Megatorque Motor™ series. This direct-drive motor system is engineered for high-accuracy industrial automation, eliminating the need for traditional reduction gears. The controller manages precise positioning, high-speed acceleration, and torque output, making it ideal for applications requiring exceptional repeatability and smooth motion control.
The EDC series serves as the intelligent interface for the motor, providing sophisticated PID control, electronic gear functions, and absolute position feedback. It is widely utilized in sectors such as semiconductor manufacturing, high-precision assembly, and robotic indexing systems where reliability and maintenance-free operation are critical.

Product Specifications
- Model Number: EDC-PN2012AB5F5-B
- Manufacturer: NSK Ltd.
- System Series: Megatorque Motor System (EDC Drive Unit)
- Operating Voltage: 200 to 230 VAC (Single Phase)
- Sensor Compatibility: Absolute Position Sensor
- Manufacturing Origin: Japan
- Operating Temperature: 0°C to 50°C
- Protection Rating: IP20 (Enclosure/Cabinet mount recommended)
- Communication Interface: Pulse Train / Standard I/O (CC-Link optional variants exist)
- Weight (Approximate): 2.2 kg – 2.5 kg
Key Operational Features
- Advanced Servo Algorithm: Engineered to minimize settling time, significantly increasing throughput in repetitive positioning tasks.
- Absolute Position Sensing: High-resolution feedback (up to 2,621,440 counts/rev) ensures precision without the need for manual homing operations upon system startup.
- Integration Flexibility: The drive supports electronic gear functions, allowing users to configure pulse train command ratios for precise motion scaling.
- Safety Compliance: Designed to meet global standards including UL and CE marking, ensuring suitability for diverse international industrial facilities.
- Diagnostics: Integrated error indicator LEDs and compatibility with “EDC Megaterm” software facilitate streamlined troubleshooting, parameter editing, and system monitoring.
For further documentation or technical support regarding the Servo Drive Controller, please refer to the NSK Megatorque system user manuals.
Recommended Related Models (NSK EDC/Megatorque Series)
🔹 M-EDC-PS1018AB502 (Drive unit for PS series motors)
🔹 M-EDC-PS3030AB502 (High-torque industrial servo drive)
🔹 M-PN2012KN201 (Compatible PN Series Megatorque Motor)
🔹 M-PN3045KN001 (High-output torque PN series motor)
🔹 M-PN4135KN001 (Heavy-duty direct drive motor)
🔹 M-PN4180KN001 (High-capacity direct drive motor)
🔹 M-EDC-PN4135AB502 (Controller for large-frame motors)
🔹 EDC-PN2012CB502 (110V version of the PN-series controller)
🔹 Z Series (Environment-Resistant motor lineup)
🔹 PS Series (High-speed, compact Megatorque motor series)

