STM57 (Closed-Loop) Integrated 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 compact automation equipment.
Features
- CAN/RS485
- 14-bit encoder for closed-loop control
- Supports DI and DO control
Models & Specifications
| Specifications | STM5741A-485-0FS | STM5741A-CAN-0FS | STM5756A-485-0FS | STM5756A-CAN-0FS | STM5776A-485-0FS | STM5776A-CAN-0FS | STM57B5A-485-0FS | STM57B5A-CAN-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 | 3.0 N·m | 3.0 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 | 10-30VDC | 10-30VDC | 10-30VDC | 10-30VDC | 10-30VDC | 10-30VDC | 10-30VDC | 10-30VDC |
| Rated Current | 2.8 A | 2.8 A | 3.0 A | 3.0 A | 3.0 A | 3.0 A | 2.8 A | 2.8 A |
| Inertia | - | - | - | - | - | - | - | - |
| 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 for closed-loop models(Open-loop version without encoder) |
| Subdivision | 1,2,4,8,16 |
| Control Modes | 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 | - |
| DI (Digital Input) | Quantity 3; Not isolated; Level input, passive contact input; High power usually 3 ~ 3.3V, low power usually 0 ~ 0.5V |
| DO (Digital Output) | - |
| DX (Digital Input / Output) | Quantity 2; Not isolated; You can set it to DI or DO. High power usually 3 ~ 3.3V, low power usually 0 ~ 0.5V |
| AI (Analog Input) | - |
| Operating Temperature | 0°C to 40°C |
| Operating Altitude | <1000m |
| Fault Alarm | Overvoltage, undervoltage, overheat, locked rotor |
Torque-Speed Characteristics
STM5741A-CAN/485-XX
STM5756A-CAN/485-XX
STM5776A-CAN/485-XX
STM57B5A-CAN/485-XX
Product Details
The STM57 series CAN&RS485 communication integrated stepper motor is a step product independently developed by NiMotion. The product adopts a highly integrated integrated development concept, integrates a stepper motor, encoder, driver and digital IO, supports CAN&RS485 bus control and other communication methods, and has the characteristics of small size and simple wiring.
Product Features
Highly integrated design
Integrates Stepper motors, encoders, drives and digital IO into a single compact unit, so no external drive is required. Compared with conventional separated solutions it saves considerable installation space, needs less wiring, and makes commissioning and maintenance easier.
High Precision Encoder Feedback
Built-in 14-bit high-resolution absolute encoder (closed-loop support) provides real-time position and speed feedback for more accurate closed-loop control, ensuring smoother operation and more accurate positioning.
Multi-bus communication support
Supports RS485 and CAN communication, allowing quick connection to mainstream PLCs, motion controllers and host systems, with flexible networking and easy expansion.
Multiple control modes
Supports position mode, speed mode, homing mode, and can be flexibly controlled by bus, I/O, and pulse mode
Wide Voltage Input
Wide input voltage range of 10-30 VDC, suitable for various power-supply environments and giving greater flexibility in system integration and retrofitting.
Segment can be set
Micro-stepping setting of 1、2、4、8、16 steps selectable effectively reduces low-speed vibration and noise and improves positioning resolution and smoothness.
Overall Dimensions
Base width: 57mm, X represents the body length. Please click the "Download" section below to view detailed drawings.
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
Companion Products
USB to CAN converter with isolation, IP65 protection, and secondary development SDK support.
USB to RS485 converter with active termination, isolation, IP65 protection, and secondary development SDK support.
Communication cable for NiMotion integrated motors.
