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NEOTON MOTOR
86BH122RS65IM_datasheet.pdf

86BH122RS65IM_datasheet.pdf

Product catalog summary

Overview: The 86BH122RS65IM is an 86 mm RS485 integrated stepper servo motor designed for machine axes requiring position retention and simplified commissioning. It features a maximum output torque of 6.5 N·m and battery-free mechanical multi-turn feedback.

Key Highlights:

Maximum output torque of 6.5 N·m
RS485 communication interface
Battery-free multi-turn absolute feedback
Position retention after power loss within feedback range
86 mm (NEMA 34) integrated servo architecture

Specifications:

Model No.: 86BH122RS65IM
Frame Size: 86 mm (NEMA 34)
Integrated Body Length: 122.1 mm
Shaft Diameter: 14 mm
Input Voltage Range: 18–70 VAC
Communication: RS485
Current Setting: 0.2–3.2 A software adjustable; factory-matched motor: 6.0 A
Encoder Feedback: 4096 lines (16,384 counts)
Phase Resistance: 0.45 Ω ±20%
Phase Inductance: 4.0 mH ±20%
Rotor Inertia: Approx. 2800 g·cm²
Weight: Approx. 3.0 kg
Microstep Setting: Host configuration; positive integer above 200; factory default 4000
Address Setting: Factory default 1; adjustable by host software
Multi-turn Feedback: 1,599-turn battery-free; range −100 to +1499 turns
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

Mechanical Drawing: Detailed mechanical drawings are available for the 86 mm RS485 integrated stepper servo.

Catalog excerpts

NEOTON MOTOR 86 mm RS485 Multi-turn Absolute Integrated Stepper Servo 86BH122RS65IM The 86BH122RS65IM is an 86 mm RS485 integrated stepper servo with 6.5 N-m maximum output torque and battery-free mechanical multi-turn feedback. It is designed for machine axes that benefit from retained position information, simplified commissioning and an integrated motor, drive and encoder package. • 6.5 N-m maximum output torque • Battery-free multi-turn absolute feedback • Position retention after power loss within stated feedback range • 86 mm (NEMA 34) integrated servo architecture 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 Multi-turn Feedback Non-volatile Storage 0.2-3.2 A software adjustable; factory-matched motor: 6.0 A 4096 lines (16,384 counts) encoder feedback 0.45 fi ±20% Host configuration; positive integer above 200; factory default 4000 Factory default 1; start address adjustable by host software 1,599-turn battery-free multi-turn feedback; fixed range -100 to +1499 turns Over-voltage, under-voltage, over-current, winding open circuit and position deviation Configuration parameters stored in internal MCU FLASH

Open the catalog to page 1

MECHANICAL DRAWING — 86 MM RS485 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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