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Kollmorgen S71202-PBNANA

Product Overview:
The S71202-PBNANA is a servo motor from Kollmorgen’s S-Series, designed for seamless integration with AKD servo drives. The “712” indicates the frame size (approximately 70 mm flange), “02” denotes the stack length variant, “P” indicates the winding type (high-speed variant), “B” denotes the encoder (BiSS-C), “N” indicates the shaft (with keyway), “A” indicates the connector (M23), “N” indicates cooling (natural convection), “A” indicates the standard housing.

Detailed content

Key Technical Specifications:

Parameter Value
Frame Size 70 mm flange (S71 series)
Motor Type Brushless AC Servo (Permanent Magnet Synchronous)
Continuous Torque 2.0 Nm
Peak Torque 6.0 Nm (3× continuous, 10 s)
Rated Speed 3,000 RPM (continuous), 5,000 RPM (peak)
Rated Voltage 48 VDC bus (via AKD drive)
Phase Resistance 1.8 Ω (phase-phase)
Phase Inductance 3.2 mH (phase-phase)
Torque Constant (Kt) 0.64 Nm/A
Back-EMF Constant (Ke) 61 V/krpm
Rotor Inertia 12 g·cm²
Encoder Type BiSS-C, Absolute, Multi-turn, 2048 lines
Encoder Resolution 2048 increments/rev (11-bit)
Shaft Type Round shaft with keyway, 14 mm diameter
Connector M23, 12-pin (straight)
Cooling Natural convection (no fan)
Housing Material Aluminum alloy (anodized)
Weight ~1.2 kg
Operating Temperature 0°C to +40°C (continuous), -20°C to +80°C (intermittent)
Insulation Class Class F (155°C)
Certifications CE, UL, cUL, RoHS, REACH

Functional Features:

  • BiSS-C absolute encoder — multi-turn position without homing
  • High torque density — optimized magnetic circuit design
  • Low cogging torque — <2% of rated torque
  • IP65-rated housing (with optional sealing kit)
  • Kollmorgen AKD auto-tuning for optimal performance
  • Regenerative braking support via AKD drive

Applicable Industries:
Machine tools, packaging lines, robotics (SCARA, 6-axis), semiconductor equipment, printing, food & beverage, pharmaceutical automation

Installation Requirements:

  • Mount using 4× M5 mounting holes; torque to 2.5 Nm
  • Coupling: flexible bellows or jaw type; max misalignment ≤0.05 mm
  • Ground motor housing to system earth
  • Encoder cable: max 15 m shielded twisted pair

Usage Notes:

  • Do not apply axial loads exceeding 50 N on shaft
  • Derate torque by 10% per 10°C above +40°C ambient
  • Verify encoder signal integrity before commissioning

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