High-performance AC servo systems consisting of servo amplifiers with advanced vibration suppression and highly efficient servo motors. High resolution encoders improve trajectory accuracy and position repeatability by dramatically improving responsiveness. By providing optimal performance, this is a key component for reducing cycle time and improving production efficiency.


Servo Motor

R2 Servo Motors

R2 Servo Motor wide inertia lineup. They are ideal for use in equipment such as robots, injection molding machines, and general industrial machinery.

R1 Servo Motors

R1 Servo Motors are low inertia servo motors with low inertia and high acceleration for agile operation. These are ideal for inspection equipment.

R5 Servo Motors

R5 Servo motors are medium inertia servo motors that are ideal for smooth operation.

Servo Amplifier

More evolved AC servo amplifiers that provide improved basic performance including high responsiveness, and pursue eco-efficiency and ease of use. More evolved AC servo amplifiers that provide improved basic performance including high responsiveness, and pursue eco-efficiency and ease of use.

Batteryless Absolute Encoder Model No. HA035

The encoder has no batteries, which have limited service lives, so it can be maintenance free. It is ideal for transportation equipment and industrial equipment needing high accuracy, such as machine tools, injection molding machines, and robots.


Battery replacement maintenance is not needed, so manpower and time are significantly reduced.

High resolution

The number of divisions in a revolution is up to 8,388,608 (23 bit).
This enables fine equipment control.

Environmental durability

The operating temperature range is from -20°C to +105°C
The environmental vibration limit is a maximum of 147 m/s2 (15 G).*1
They can be used in harsher environments than our conventional products.

*1 The operating temperature and environmental vibration when mounted on a servo motor depend on the servo motor’s specifications.

Shorter cycle time achieved through high-speed positioning control

The 3E Model has a speed frequency response of 2.2 kHz, approximately twice that of our conventional product.*2
In addition, position settling time has been shortened to 1/3. A function for switching between trajectory control and positioning control in real time has been incorporated to significantly reduce the cycle time of the device.

*2 For amplifiers with capacities from 10 to 50 A. Compared with our conventional AC servo amplifier, SANMOTION R ADVANCED MODEL.

Improved control accuracy

Gain can be increased by increasing responsiveness. It is equipped with a function for suppressing micro-vibration at settling time, an adaptive notch filter for suppressing mechanical resonance, and a feed-forward vibration control function. The 4th order notch filter of our conventional product has been upgraded to 5th order for finer vibration control. *3
Highly-accurate machine tool feed-axis control significantly improves processing quality.

*3 Compared with our conventional AC servo amplifier, SANMOTION R ADVANCED MODEL.

Improved safety performance through the Safe Torque Off function

With the improved Safe Torque Off (STO) function, the 3E Model conforms to international standards
IEC 61508: SIL 3 and ISO 13849-1: PL=e. They are sufficiently reliable to be used in devices requiring high safety.


High performance and small AC Servo Systems
With the excellent control technologies of the SANMOTION R series maintained, the SANMOTION R ADVANCED MODEL has models with various functions including the next-generation EtherCAT fieldbus. The disturbance suppression characteristics and robustness required for servo systems can be realized to a higher degree, contributing to reduced cycle time.

Compact design with reduced height and width

The size of the housing was up to 15% smaller than that of conventional SANMOTION R series products. This contributes to control board miniaturization and equipment space-saving, and saves resources.

Products conforming to international safety standards

A lineup featuring the STO function (safe torque off function) has been developed to improve safety. Motor torque can be cut safely by forcibly turning off the PWM control signal with a duplexed circuit breaker, Defined in IEC 61800-5-2: Safe Torque Off, and IEC 60204-1: Stop Category 0). Also, the IEC 61508/IEC 62061, SILCL 2 and ISO 13849 1: Cat 3, PL = d safety standards were acquired.)

High speed peak torque increased by 15%

Using magnetomotive phase difference angle control and excitation current optimization techniques, maximum instantaneous torque is improved by 15% even when used with the same model of motor.

Model following vibration suppression control

SANMOTION R ADVANCED MODEL contains model following vibration control The signal from the top enters the model control system, and the model control system output is sent to the normal feedback control system.
When model-following vibration suppression control is used, settling time after decelerating to a stop is shortened to half that of conventional vibration suppression control.

Equipped with the EtherCAT open serial communication standard

We offer a lineup of SANMOTION R ADVANCED MODEL amplifiers with EtherCAT interfaces. EtherCAT is a high-speed open field network with a 100 Mbps communication speed, which uses Ethernet for industrial applications. Because communications are serial, it contributes to decreased wiring between units. With accurate synchronization and openness, this field bus is ideal for future servo systems.

SANMOTION R 14 mm sq. AC Servo Motor

High performance and small AC Servo Systems
We have achieved high precision control with industry leading miniaturization. It is suitable for applications such as chip mounter heads, small XY tables, semiconductor manufacturing equipment, inspection equipment, and other equipment that requires reducing the space between axes.

Industry’s smallest mounting angle

By introducing new winding techniques, we have achieved a flange size of 14 mm × 14 mm, the industry’s smallest class*4. It is ideal for devices with limited space for mounting motors, and contributes greatly to equipment miniaturization.

*4 Based on our own research, as of March, 2009.

High-precision positioning control with high 17-bit resolution

The newly developed 17-bit (131,072 division) high-resolution, ultra-compact absolute encoder is equipped with high-precision positioning control and low speed range stability.
Also, a feature of absolute encoders is that they can shorten startup times and quickly recover from power failures.

Proposing and implementing servo systems that best match equipment

SANYO DENKI will respond to the requests of users and customize motors tailored to their needs. We can leverage our servo motor knowledge and know-how to work with users to implement servo systems that best match their equipment.

License Agreement

This license agreement is a legal agreement between the customer and SANYO DENKI CO., LTD. and its subsidiaries (hereinafter referred to as "SANYO DENKI Group") regarding SANYO DENKI CO., LTD. software (hereinafter referred to as "the software").

The customer may download this software only upon consenting to this agreement.

1. License Grants

SANYO DENKI Group grants the customer the nonexclusive right to use this software. The customers may use, install, and update the software while using the product purchased from the SANYO DENKI Group.

The customer may not lend or transfer this software to a third party nor offer it as collateral without obtaining prior written approval from SANYO DENKI Group. In addition, if the customer lends or transfers the software to a third party with prior written approval of SANYO DENKI Group, the customer must ensure that the third party complies with the provisions of this agreement.

2. Copyrights and Intellectual Property Rights

SANYO DENKI retains all copyrights, patent rights, trademark rights, know-how, and all other intellectual property rights related to this software and relevant printed materials (including electronic media).

3. Warranty Coverage

SANYO DENKI Group guarantees the operation and functions described in the instruction manual for this software. However, the warranty does not cover the software in the following cases:

  1. (1) The software is used in unsupported operating environments or with unsupported products.
  2. (2) The software is used in a manner other than as specified in the instruction manual.
  3. (3) The software is modified.
4. Legal Disclaimer

SANYO DENKI Group and its distributors are not liable for any damages outside the scope of warranty as stated in this license agreement.

SANYO DENKI Group is not responsible for any malfunction caused by installing or updating this software in unsupported operating environments or with unsupported products.

5. Jurisdiction

Any disputes arising in the fulfillment of this agreement shall be settled by the Tokyo District Court as the exclusive competent court.

6. Governing Law

This agreement shall be governed by the laws of Japan.

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