EXC56 : EXC-Series BLDC Motor

Type: Servo Motor
Size: 5 inches or 13 cm
Peak Torque: to 2400 oz-in or 1695 Ncm



High-Performance. Servo.
The EXC-Series 5-inch AC Servo motor offers customers high economic value and superior reliability. The EXC-Series is a cost-improved version of the popular Excalibur family of AC Servo motors sold under the Rockwell Automation brand. This product provides considerable cost improvements for a variety of light industrial, commercial, and medical applications.

EXC56 Speed / Torque Curves

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EXC56 Mechanical / Winding Data

Stack Size Models EXC56 - 450 EXC56 - 600 EXC56 - 740
Continuous Stall Torque (oz-in) 450 600 740
Continuous Stall Torque (Ncm) 317.75 423.66 522.51
Peak Torque (oz-in) 1440 1920 2400
Peak Torque (Ncm) 1016.78 1355.71 1694.64
Motor Constant (oz-in / Watt) 65.70 78.10 93.50
Electrical Constant (msec) 5.00 4.01 4.60
Mechanical Constant (msec) 4.03 3.78 3.29
Rotor Inertia (oz-in-sec2) 0.1225 0.1626 0.2026
Rotor Inertia (gm-cm2) 8651.0 11482.8 14307.6
Thermal Resistance (C / Watts) 0.8 0.6 0.7
Weight (oz) 336.0 400.0 464.0
Weight (Kg) 9.5 11.3 13.2
Length (inches) 7.8 8.8 9.8
Length (cm) 19.8 22.4 24.9
Number of Poles 4 4 4

Winding Models 450V60 450V160 450V325 600V60 600V160 600V325 740V60 740V160 740V325
Design Voltage
(VDC)
60 160 325 60 160 325 60 160 325
Continuous Current
(Amps)
16.4 15.0 7.8 18.5 17.8 10.2 17.6 17.3 12.1
Peak Current
(Amps)
41.8 35.1 19.1 47.4 43.8 25.9 45.4 43.6 30.7
Voltage Constant
±10%
(VDC/kRPM)
28.3 33.7 62.0 33.3 36.1 61.0 43.4 45.2 64.3
Torque Constant
±10%
(oz-in / Amp)
38.3 45.6 83.9 45.0 48.8 82.5 58.7 61.1 87.0
Torque Constant
±10%
(Ncm / Amp)
27.046 32.201 59.246 31.777 34.460 58.258 41.451 43.146 61.435
Resistance
±10%
(Ohms)
0.4 0.4 1.6 0.3 0.4 1.1 0.4 0.4 0.9
Inductance
±10%
(mH)
1.7 2.4 8.1 1.3 1.6 4.5 1.8 2.0 4.0

EXC56 Outline Drawing

drawing_exc56.gif

EXC56 Commutation Sequence