STM57

STM57-ME Integrated Stepper Servo Motor

57mm flange integrated stepper servo motor – delivering closed-loop servo control algorithms within a compact footprint. Offers significantly improved positioning accuracy, low heat generation, and excellent speed stability. Ideal for a wide range of compact automation equipment.

Features

CANopen/RS485/Pulse
Supports DI and DO functions
Optional brake models available

CANopen RS485 Pulse 57mm

Models & Specifications

Specs as rows · Models as columns

Specifications	STM5741B-485-ME-0FS	STM5741B-CANopen-ME-0FS	STM5756B-485-ME-0FS	STM5756B-CANopen-ME-0FS	STM5776B-485-ME-0FS	STM5776B-CANopen-ME-0FS	STM57B5B-485-ME-0FS	STM57B5B-CANopen-ME-0FS	STM5741B-485-ME-0FSB	STM5741B-CANopen-ME-0FSB	STM5756B-485-ME-0FSB	STM5756B-CANopen-ME-0FSB	STM5776B-485-ME-0FSB	STM5776B-CANopen-ME-0FSB	STM57B5B-485-ME-0FSB	STM57B5B-CANopen-ME-0FSB
Flange Size	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm
Holding Torque	0.55 N·m	0.55 N·m	1.2 N·m	1.2 N·m	1.9 N·m	1.9 N·m	3.0 N·m	3.0 N·m	0.55 N·m	0.55 N·m	1.2 N·m	1.2 N·m	1.9 N·m	1.9 N·m	3.0 N·m	3.0 N·m
Brake	No Brake	No Brake	No Brake	No Brake	No Brake	No Brake	No Brake	No Brake	Built-in Brake w/ Logic	Built-in Brake w/ Logic	Built-in Brake w/ Logic	Built-in Brake w/ Logic	Built-in Brake w/ Logic	Built-in Brake w/ Logic	Built-in Brake w/ Logic	Built-in Brake w/ Logic
Encoder type	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder	17-bit single-turn absolute magnetic encoder
Rated Voltage	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC	48 VDC
Voltage Range	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC	16-72VDC
Inertia	1.2×10^-5 kg·m²	1.2×10^-5 kg·m²	3.0×10^-5 kg·m²	3.0×10^-5 kg·m²	4.4×10^-5 kg·m²	4.4×10^-5 kg·m²	8.0×10^-5 kg·m²	8.0×10^-5 kg·m²	1.2×10^-5 kg·m²	1.2×10^-5 kg·m²	3.0×10^-5 kg·m²	3.0×10^-5 kg·m²	4.4×10^-5 kg·m²	4.4×10^-5 kg·m²	8.0×10^-5 kg·m²	8.0×10^-5 kg·m²
Rated Current	2.8 A	2.8 A	3.0 A	3.0 A	4.2 A	4.2 A	6.0 A	6.0 A	2.8 A	2.8 A	3.0 A	3.0 A	4.2 A	4.2 A	6.0 A	6.0 A
Body Length	61 mm	61 mm	76 mm	76 mm	96 mm	96 mm	132 mm	132 mm	96 mm	96 mm	110 mm	110 mm	131 mm	131 mm	167 mm	167 mm
Weight	0.53 kg	0.53 kg	0.75 kg	0.75 kg	1.10 kg	1.10 kg	1.74 kg	1.74 kg	0.87 kg	0.87 kg	1.11 kg	1.11 kg	1.43 kg	1.43 kg	2.11 kg	2.11 kg

* Scroll horizontally within the table area when the content is wide.

Specifications

Shaft Diameter	Φ8
Number Of Phases	2
Step Angle	1.8°
Encoder	17-bit single-turn absolute magnetic encoder (multi-turn absolute counting with automatic storage upon power failure)
Control Modes	CiA402 Mode,Manufacturer Mode
External Control Interface	DI – Non-isolated NPN Input,DI – Non-isolated PNP Input,DI – Non-isolated Switch Input,DI – Isolated Opto Single-Ended Input,DI – Isolated Opto Differential Input,DO – Isolated Open-Drain Output,DO – Non-isolated MOSFET Output,AI – 0–10V Analog Input,AI – ±10V Analog Input
CiA402 Mode	PP, VM, PV, PT, HM, IP, CSP, CSV, CST
DI (Digital Input)	Quantity: 3 pieces; All adopt high-speed bidirectional optocouplers, with a maximum PWM pulse frequency of 2MHz. They can be connected to an external DC power supply: 5~24V. Configurable functions: used as a switch, used as a pulse input channel
DO (Digital Output)	Quantity: 1; MOS open-drain output, with a maximum load current of 500mA and a maximum voltage of 52V. Configurable functions: 1. Regular DO port; 2. The motor stops running; 3. Goal achievement; 4. Alarm output
AI (Analog Input)	Quantity: 1; Input method: single-ended input; Signal type: voltage signal; Resolution: 12-bit; Voltage: 0~10V; Accuracy: reference error ≤1%; Configurable functions: dead zone, filtering, offset, scaling, direction.
Operating Temperature	0°C to 40°C
Operating Altitude	<1000m
Fault Alarm	Overvoltage, undervoltage, overheat, locked rotor
Servo Function	Soft limit, gain switching, S-curve planning, vibration suppression, parameter identification, online upgrade

Product Details

Applications in Paper Folding Equipment

This integrated servo motor series is specifically designed for the high-frequency start-stop and precise fold-positioning demands of paper-folding machines. Its compact all-in-one construction saves valuable internal equipment space, allowing easy installation in tight locations. Low cogging torque ensures consistent fold-line accuracy, while high dynamic response reliably handles hundreds of start-stop cycles per minute. With support for multiple mainstream communication protocols and compatibility with various control systems, plus a fully sealed enclosure that withstands paper-dust environments, this motor series helps folding equipment achieve long-term stable and efficient operation.

Downloads

Name	Type	Size	Update Date
NiMotion Integrated Motor Selection Guide	Selection Guide	12.8MB	2026-08-25
stm57me-series-canopen-485-User Manual	User Manual	4.2MB	2026-08-17
Communication Manual – pmm60l/blm/stm-CANopen	Communication Manual	3.8MB	2026-08-27
Communication Manual – pmm60l/blm/stm-modbus	Communication Manual	4.0MB	2026-08-27
stm57xxb-xxx-me-0fsb-integrated-brake-stepper-motor	Drawing	273.5KB	2026-07-28
stm57xxb-xxx-me-0fs-integrated-stepper-motor-a.pdf	Drawing	215.3KB	2026-07-28
stm5776b-xxx-me-1fh-integrated-stepper-motor	Drawing	212.3KB	2026-07-28

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Applications

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With the rapid development of logistics and manufacturing industries, sorting machines are being used more and more widely. As a common sorting equipment, the pendulum wheel sorter is highly efficient, accurate, and flexible, and is widely used in various logistics sorting scenarios. The application of integrated servo motors in the pendulum wheel sorter provides new possibilities for performance improvement and optimization of the sorter.

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Application of integrated servo motor in extracorporeal vibrating lithotripsy bed

With the continuous advancement of medical technology, the extracorporeal vibrating lithotripsy bed, as a non-invasive stone treatment device, has been widely used in the medical field. The integrated servo motor, as the core driving component of the extracorporeal vibrating lithotripsy bed, provides safer and more reliable technical support for the treatment of stone patients with its high efficiency, stability and precision.

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Application of integrated servo motor in venous center robotic arm

With the continuous advancement of medical technology, robot-assisted surgery has become an important development direction in the field of modern medicine. Among them, the venous center robot arm, as a key component of the surgical robot, plays a vital role in the accuracy, stability and safety of the operation. As one of the core components of the robot arm, the integrated servo motor is also gaining more and more attention in the application of the venous center robot arm.

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Application of integrated servo motor in AGV

Automation technology has leapt forward, and the popularity of automatic guided vehicles (AGVs) in logistics, warehousing and production has accelerated. As a key equipment in intelligent logistics, AGVs use electrical control, sensing and navigation technologies to achieve automatic handling and precise positioning of goods. The integrated servo motor, as its power heart, is crucial to the performance of AGVs.

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Application of integrated servo motor in tension system equipment

With the rapid development of industrial automation, the demand for high-precision and high-efficiency transmission and control equipment is growing. As an intelligent motor integrating drive, control and feedback, the integrated servo motor has been widely used in various industrial equipment due to its excellent performance. Especially in tensile test equipment, the integrated servo motor plays a vital role.

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Application cases of integrated stepper servo motors in fluid equipment in the spraying industry

The application of integrated stepper servo motors has achieved precision and efficiency in the spraying process. The combination of CANopen communication and intelligent control algorithms has solved the pain points of traditional spraying equipment, such as large flow fluctuations and delayed response, and significantly improved coating quality and production efficiency.

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Application of integrated stepping servo motor in microscope stage

Microscopes are indispensable tools in scientific research and medical diagnosis, and their accuracy and stability are crucial to the observation results. The stage, as an important part of the microscope, carries the sample to be observed, and its movement accuracy and response speed directly affect the observation effect.

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Application and optimization of integrated servo motors in appearance inspection equipment

This article aims to introduce the application scenarios, technical features, challenges and solutions of integrated servo motors (PMMP4010B-CANpen) in appearance inspection equipment. Through actual case analysis, the key role of motors in improving the accuracy and stability of inspection equipment is demonstrated.

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Application of integrated servo motor in intelligent (automatic) charging equipment

With the widespread promotion and popularization of new energy vehicles, the demand for charging equipment is also growing. In order to improve the efficiency and performance of charging equipment, integrated servo motor technology is widely used in new energy vehicle charging equipment. Integrated servo motor technology combines the functions of motor, controller, sensor, etc., with the advantages of high efficiency, precision and intelligence, bringing revolutionary changes to the charging equ

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