Stepper servo motor 28BH66PS018IG

9 V36 VNEMA 11

Product overview
The 28BH66PS018IG is a 0.16 N·m pulse-controlled integrated stepper servo for small closed-loop motion axes. It combines the motor, drive and encoder to simplify installation and supports software-adjustable current, microstepping and filtering.

KEY HIGHLIGHTS

• 0.16 N·m maximum output torque
• TTL pulse / direction control
• 4096-line / 16,384-count encoder feedback
• 0.2–3.2 A software-adjustable current
• Up to 3000 rpm

Integrated Servo Overview
Model No.: 28BH66PS018IG
Frame Size: 28 mm (NEMA 11)
Integrated Body Length: 66 mm
L Size: 52 mm
Shaft Diameter: 5 mm
Input Voltage Range: 9–36 VDC
Maximum Output Torque: 0.16 N·m
Communication: TTL pulse / direction control

Electrical, Feedback & Configuration
Current Setting: 0.2–3.2 A software adjustable; factory-matched motor: 1.5 A
Encoder Feedback: 4096 lines (16,384 counts) encoder feedback
Phase Resistance: 1.8 Ω ±20%
Phase Inductance: 2.1 mH ±20%
Rotor Inertia: Approx. 21 g·cm²
Weight: Approx. 0.24 kg
Speed Range: Up to 3000 rpm
Microstep Setting: Host configuration; positive integer above 200; factory default 4000
Filter Frequency: Factory default 400 kHz; software adjustable
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 available for the 28 mm Pulse Integrated Stepper Servo (dimensioned PNG image).

Technical specifications

• Model No.: 28BH66PS018IG
• Frame Size: 28 mm (NEMA 11)
• Integrated Body Length: 66 mm
• Max Output Torque: 0.16 N·m
• Input Voltage Range: 9–36 VDC
• Control: TTL pulse / direction
• Encoder: 4096 lines / 16,384 counts
• Current Setting: 0.2–3.2 A (factory: 1.5 A)
• Phase Resistance: 1.8 Ω ±20%
• Phase Inductance: 2.1 mH ±20%
• Rotor Inertia: ≈21 g·cm²
• Weight: ≈0.24 kg
• Max Speed: up to 3000 rpm
• Microstep: host-configurable (default 4000)
• Filter Frequency: default 400 kHz, software adjustable
• Protections: over/under-voltage, over-current, winding open, position deviation
• Storage: parameters stored in MCU FLASH
• Operating Temp: 0°C to +40°C
• Operating Humidity: 20%–90% RH