Stepper motor 57BH80CA12IM

60 V24 Vwith integrated driver and coder

Product Overview
The 57BH80CA12IM is a 57 mm integrated stepper servo with CANopen interface and battery-free mechanical multi-turn absolute position feedback (fixed range −100 to +1499 turns). The encoder retains shaft position through power loss, enabling restart without homing where machine safety and control design permit. This capability can reduce reliance on separate home and limit sensors for indexing tables, transfer axes, compact handling modules and mobile equipment.

KEY HIGHLIGHTS

• Battery-free mechanical multi-turn absolute feedback (−100 to +1499 turns)
• Position retained through power loss; supports restart without homing where system design permits
• 1,599-turn feedback range with 4096-line (16,384-count) encoder
• CANopen communication and TTL interface
• 24–60 VDC input and up to 1.2 N·m maximum output torque

Quick Specs
Frame Size: 57 mm
Body Length: 79.9 mm
Max Output Torque: 1.2 N·m
Input Voltage: 24–60 VDC
Communication: CANopen, TTL
Encoder Feedback: 4096 lines (16,384 counts)

Integrated Servo Overview
Model No.: 57BH80CA12IM
Frame Size: 57 mm (NEMA 23)
Integrated Body Length: 79.9 mm
L Size: 55.4 mm
Shaft Diameter: 8 mm
Input Voltage Range: 24–60 VDC
Maximum Output Torque: 1.2 N·m
Communication: CANopen, TTL

Electrical, Feedback & Configuration
Current Setting: 0.5–6.5 A software-adjustable; factory-matched motor: 4.0 A
Encoder Feedback: 4096 lines (16,384 counts)
Phase Resistance: 0.44 Ω ±20%
Phase Inductance: 1.4 mH ±20%
Rotor Inertia: Approx. 280 g·cm²
Weight: Approx. 0.82 kg
Microstep Setting: Host-configurable; positive integer above 200; factory default 4000
Address Setting: Factory default 1; start address adjustable by host software
Multi-turn Feedback: 1,599-turn battery-free mechanical multi-turn feedback; fixed 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
Mechanical drawing is provided for dimensional reference; body length, L size, shaft diameter and mounting details are shown in the dimensional drawing.

Technical specifications

• Model No.: 57BH80CA12IM
• Frame Size: 57 mm (NEMA 23)
• Body Length / Integrated Body Length: 79.9 mm
• L Size: 55.4 mm
• Shaft Diameter: 8 mm
• Input Voltage Range: 24–60 VDC
• Maximum Output Torque: 1.2 N·m
• Communication Interfaces: CANopen, TTL
• Encoder Feedback: 4096 lines (16,384 counts)
• Multi-turn Feedback: 1,599-turn battery-free mechanical multi-turn (fixed −100 to +1499 turns)
• Current Setting: 0.5–6.5 A software adjustable (factory-matched 4.0 A)
• Phase Resistance: 0.44 Ω ±20%
• Phase Inductance: 1.4 mH ±20%
• Rotor Inertia: ~280 g·cm²
• Weight: ~0.82 kg
• Microstep Setting: Host-configurable; default 4000
• Address Setting: Factory default 1; adjustable by host
• Protection Features: Over-voltage, under-voltage, over-current, winding open circuit, position deviation
• Non-volatile Storage: MCU FLASH for configuration parameters
• Operating Temperature: 0°C to +40°C
• Operating Humidity: 20% RH to 90% RH