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NEOTON MOTOR
86BH103RS45IM_datasheet.pdf

86BH103RS45IM_datasheet.pdf

Product catalog summary

Overview: The 86BH103RS45IM is an 86 mm RS485 integrated stepper servo designed for industrial applications, featuring battery-free mechanical multi-turn feedback for position retention after power loss. This capability supports reduced-homing machine designs, simplifying heavy-duty transfer, inspection, and automation fixtures.

Key Highlights:

Input voltage range: 18–70 VAC
Maximum output torque: 4.5 N·m
RS485 communication
Battery-free multi-turn feedback range: −100 to +1499 turns
Encoder feedback: 4096-line / 16,384-count
Integrated architecture for reduced wiring

Specifications:

Model No.: 86BH103RS45IM
Frame Size: 86 mm (NEMA 34)
Integrated Body Length: 102.6 mm
Shaft Diameter: 14 mm
Current Setting: 0.2–3.2 A software adjustable; factory-matched motor: 6.0 A
Phase Resistance: 0.37 Ω ±20%
Phase Inductance: 2.8 mH ±20%
Rotor Inertia: Approx. 1800 g·cm²
Weight: Approx. 2.2 kg
Microstep Setting: Host configuration; positive integer above 200; factory default 4000
Address Setting: Factory default 1; start address adjustable by host software
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 precise integration and installation.

Catalog excerpts

NEOTON MOTOR The 86BH103RS45IM is an 86 mm RS485 integrated stepper servo with battery-free mechanical multi-turn feedback. Position retention after power loss can support a reduced-homing machine design where the system safety architecture permits, helping simplify heavy-duty transfer, inspection and automation fixtures. • 18-70 VAC input and 4.5 N-m maximum output torque • Battery-free multi-turn feedback: -100 to +1499 turns • Integrated architecture for reduced wiring 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 Operating Temperature Operating Humidity 0.2-3.2 A software adjustable; factory-matched motor: 6.0 A 4096 lines (16,384 counts) encoder feedback 0.37 D ±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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