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NEOTON MOTOR
28BH55EC008IE_datasheet.pdf

28BH55EC008IE_datasheet.pdf

Product catalog summary

Overview: The 28BH55EC008IE is a compact integrated stepper servo motor that combines the motor, drive, and encoder into a single unit. It is designed for applications requiring precise positioning and efficient wiring, utilizing EtherCAT and TTL interfaces.

Key Highlights:

28 mm (NEMA 11) frame size with integrated motor, drive, and encoder.
Operates on a 9–36 VDC input with a maximum output torque of 0.065 N·m.
Features EtherCAT and TTL communication interfaces.
Equipped with a 4096-line / 16,384-count encoder for feedback.
Internal FLASH memory retains configuration parameters.

Specifications:

Model Number: 28BH55EC008IE
Frame Size: 28 mm (NEMA 11)
Integrated Body Length: 54.9 mm
Shaft Diameter: 5 mm
Input Voltage Range: 9–36 VDC
Maximum Output Torque: 0.065 N·m
Communication: EtherCAT, TTL
Current Setting: 0.2–3.2 A, software adjustable; factory-matched motor: 1.0 A
Encoder Feedback: 4096 lines (16,384 counts)
Phase Resistance: 2.1 Ω ±20%
Phase Inductance: 2.1 mH ±20%
Rotor Inertia: Approx. 9 g·cm²
Weight: Approx. 0.16 kg
Microstep Setting: Factory default 10,000; object index 0x2001
Address Setting: Automatically allocated by master
Protection: Over-voltage, under-voltage, over-current, winding open circuit, and position deviation
Non-volatile Storage: Configuration parameters stored in internal MCU FLASH
Operating Temperature: 0°C to +40°C
Operating Humidity: 20% RH to 90% RH
TTL Serial Settings: 115200 bps; 8 data bits; 1 stop bit; no parity

Mechanical Drawing: Detailed mechanical drawings are available for precise integration and installation.

Catalog excerpts

NEOTON MOTOR The 28BH55EC008IE is a compact 28 mm integrated stepper servo that combines the motor, drive and encoder in one package. It uses EtherCAT and TTL interfaces with 16,384-count encoder feedback to simplify wiring for compact positioning, transfer and packaging modules. | KEY HIGHLIGHTS • 28 mm (NEMA 11) integrated motor, drive and encoder • 9-36 VDC input with 0.065 N-m maximum output torque • Internal FLASH retains configuration parameters Frame Size Integrated Body Length L Size Shaft Diameter Input Voltage Range Maximum Output Torque Communication Current Setting Encoder Feedback Phase Resistance Phase Inductance Rotor Inertia Weight Microstep Setting Address Setting Non-volatile Storage 0.2-3.2 A software adjustable; factory-matched motor: 1.0 A 4096 lines (16,384 counts) encoder feedback Factory default 10,000; object index 0x2001 Start address from source; automatically allocated by master Over-voltage, under-voltage, over-current, winding open circuit and position deviation Configuration parameters stored in internal MCU FLASH 115200 bps; 8 data bits; 1 stop bit; no parity

Open the catalog to page 1

MECHANICAL DRAWING — 28 MM ETHERCAT INTEGRATED STEPPER SERVO NEOTON MOTOR | www.neotonmotor.com | [email protected] | Generated October 1, 2026

Open the catalog to page 2

All NEOTON MOTOR catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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