GIDDINGS & LEWIS 502-03944-00M.1016.9428R13

Series: 1016 Series (Cincinnati Milacron / G&L CNC Control)

Product Introduction:
The Giddings & Lewis 502-03944-00M.1016.9428R13 is a servo amplifier / spindle drive module used in G&L CNC machine tools. It drives the spindle motor (AC servo or DC) and provides velocity and torque control. The “R13” suffix indicates a specific revision level.

Category:
Description

Technical Specifications:

Parameter Value
Product Type AC Servo Drive / Spindle Amplifier
Series 1016 Series (G&L CNC)
Input Voltage 200–240 VAC, 3-Phase, 50/60 Hz
Output Power 15 kW (continuous) / 22 kW (peak, 30 sec)
Output Current 40 A RMS (per phase)
Control Mode Velocity Mode / Torque Mode / Position Mode
Feedback Interface Resolver / Encoder (1024 pulses/rev typical)
Communication Analog ±10V + Serial (RS-232/422)
Cooling Forced air (internal fan)
Housing Sheet metal, NEMA 1 / IP20 (cabinet mount)
Dimensions Approx. 300 x 200 x 150 mm (W x H x D)
Weight Approx. 8.5 kg
Standards CE, UL 508

Functional Features:

  • Full digital servo control — current loop, velocity loop, position loop
  • Auto-tuning capability — identifies motor inertia and friction
  • Regenerative braking — built-in braking resistor connection
  • Alarm monitoring — overcurrent, overvoltage, overtemperature, encoder fault
  • Modular design — hot-swappable in G&L control cabinets

Applicable Industries:
Aerospace Machining, Automotive, Die & Mold, Heavy Industry, Defense Manufacturing

Installation Requirements:

  • Mount in control cabinet with forced ventilation — maintain 10°C ambient max
  • Connect motor power cables (U/V/W) and feedback cable per wiring diagram
  • Ground the drive chassis and motor frame to a single-point ground
  • Use shielded cable for encoder feedback (max 10 m without repeater)

Usage Notes:

  • Revision R13 — confirm compatibility with G&L 1016 CNC controller version
  • Perform auto-tune after any motor replacement
  • Do not operate without braking resistor connected (regenerative energy damage risk)
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