STM57

STM57E Integrated Economy Stepper Motor

57mm flange integrated stepper motor – seamlessly combines stepper motor, driver, controller, and I/O interfaces into a single unit. Reduces wiring, lowers failure points, ensures stable motion, and is suitable for a wide range of small to medium automation equipment.

Features

High cost-performance and low cost
Closed-loop control with 14-bit encoder
Supports DI, DO, and DX control

CANopen RS485 57mm

Models & Specifications

Specs as rows · Models as columns

Specifications	STM5741A-485-E-0FS	STM5741A-CANopen-E-0FS	STM5756A-485-E-0FS	STM5756A-CANopen-E-0FS	STM5776A-485-E-0FS	STM5776A-CANopen-E-0FS	STM57B5A-485-E-0FS	STM57B5A-CANopen-E-0FS
Flange Size	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm
Holding Torque	0.55 N·m	0.55 N·m	1.26 N·m	1.26 N·m	1.80 N·m	1.80 N·m	3.00 N·m	3.00 N·m
Brake	No Brake	No Brake	No Brake	No Brake	No Brake	No Brake	No Brake	No Brake
Open-Loop/Closed-Loop	Closed-loop	Closed-loop	Closed-loop	Closed-loop	Closed-loop	Closed-loop	Closed-loop	Closed-loop
Encoder Type	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder	14-bit single-turn absolute magnetic encoder
Rated Voltage	24 VDC	24 VDC	24 VDC	24 VDC	24 VDC	24 VDC	24 VDC	24 VDC
Voltage Range	12-36VDC	12-36VDC	12-36VDC	12-36VDC	12-36VDC	12-36VDC	12-36VDC	12-36VDC
Rated Current	2.8 A	2.8 A	2.8 A	2.8 A	2.8 A	2.8 A	2.8 A	2.8 A
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
Body Length	61 mm	61 mm	76 mm	76 mm	96 mm	96 mm	132 mm	132 mm
Weight	0.49 kg	0.49 kg	0.71 kg	0.71 kg	1.05 kg	1.05 kg	1.67 kg	1.67 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 Introduction	14-bit absolute magnetic encoder
Subdivision	-
Control Modes	CiA402 Mode,Manufacturer Mode,Position Mode,Velocity Mode,Homing Mode
External Control Interface	DI – Non-isolated NPN Input,DI – Non-isolated Switch Input,DO – Isolated Open-Drain Output,DO – Non-isolated MOSFET Output
CiA402 Mode	PP, PV, HM (supported via CANopen communication)
DI (Digital Input)	Quantity: 3; Compatible with source and drain types, input polarity can be configured; Low: 0~0.5V, high: 3.3~24V; Configuration function: Used as a switch
DO (Digital Output)	Quantity: 1; Output mode: open leakage output; Allowable range of external voltage: DO1:15~30VDC, maximum load current 1.5A; High: 3.3~24VDC, low: 0~0.5VDC Configurable functions: Common DO port; 2. Motor operation stops; 3. Target reached; 4. Alarm output
DX (Digital Input / Output)	Quantity 1; It can be set to DI or DO, and the input polarity can be configured. DO load maximum current 8mA; Allowable range of external voltage: 3.3VDC, maximum current 10mA
AI (Analog Input)	-
Operating Temperature	0°C to 40°C
Operating Altitude	<1000m
Fault Alarm	Overvoltage, undervoltage, overtemperature, locked rotor, storage fault, over-limit

Product Details

Application in Peristaltic Pump Equipment

The STM57E series integrated motor upgrades peristaltic pumps from "coarse conveyance" to "precision intelligent pumping." It is particularly suitable for applications with extremely high demands on flow accuracy, tubing life, and system immunity, such as IVD reagent dispensing, biopharmaceutical filling, and continuous feeding in culture processes. If you need a detailed comparison of energy efficiency differences between closed-loop stepper and AC servo motors in this application, I can provide further analysis.

Downloads

Name	Type	Size	Update Date
NiMotion Integrated Motor Selection Guide	Selection Guide	12.8MB	2026-08-25
stm57e-series-rs485-User Manual	User Manual	2.0MB	2026-08-11
Communication Manual – Stepper-Modbus	Communication Manual	1.1MB	2026-08-25
stm57e-series-canopen-User Manual	User Manual	1.9MB	2026-08-12
stm57xx-a-xxx-e-0fs-integrated-stepper-motor	Drawing	156.6KB	2026-07-28

Companion Products

Power CableSTX001 Power Cable

Power cable for NiMotion integrated motors.

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Communication CableSTX002A/B Communication Cable

Communication cable for NiMotion integrated motors.

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Communication ConverterSCM-USBCANI-L

USB to CAN converter with isolation, IP65 protection, and secondary development SDK support.

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Communication ConverterSCM-USB485A-L

USB to RS485 converter with active termination, isolation, IP65 protection, and secondary development SDK support.

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I/O CableSTX004 IO Cable

IO cable for NiMotion integrated motors.

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Communication CableVDCX010P Communication Cable

Communication cable for NiMotion integrated motors.

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Communication CableSDCX001-KZ-B Communication Cable

Communication cable for NiMotion integrated motors.

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Other AccessoriesM8 Terminal Resistor

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Applications

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Application of integrated servo motor in pendulum wheel sorting machine

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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With the continuous development of science and technology, the application of electric gripper in the medical field is gradually increasing, one of the important applications is the pipeline grab. As a modern tool, the electric gripper has the advantages of high precision, high efficiency and strong reliability, which provides a better operation experience and experimental effect for the medical field.

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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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