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Differences Between AC Input and DC Input Driver Characteristics
A stepping motor is driven by a DC voltage applied through a driver. In Oriental Motor's 24 VDC input motor and driver packages, 24 VDC is applied to the motor. In the 100-115 VAC motor and driver packages the input is rectified to DC and then approximately 140 VDC is applied to the motor. (Certain products are exceptions to this.)
The difference in voltages applied to the motors appears as a difference in torque characteristics at high speeds. This is due to the fact that the higher the applied voltage is, the faster the current rise through the motor windings will be, facilitating the application of rated current at higher speeds. Thus, the AC input motor and driver package has superior torque characteristics over a wide speed range, from low to high speeds, offering a large speed ratio. It is recommended that AC input motor and driver packages, which are compatible with a wider range of operating conditions, be considered for your applications.
AC Input Product Line Up | Click Here to View DC Input Products
AC Input Products |
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Features |
Continuous duty / Low heat Closed loop No hunting & No gain tuning |
Pulse Input Type or Built-In Controller version available Closed loop No hunting & No gain tuning IP65 motors available |
Lowest vibration & noise Smooth Drive function High resolution IP65 motors available |
Standard performance Basic functionality |
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Power Supply |
Single-Phase 100-115 VAC |
Single-Phase 100-115 VAC |
Single-Phase 100-115 VAC |
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Motor Type |
AlphaStep Technology Closed loop control stepping motor |
AlphaStep Technology Closed loop control stepping motor |
Stepping motor |
Stepping motor |
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Resolution |
0.72°, 0.36°, 0.072°, 0.036° |
0.72°, 0.36°, 0.072°, 0.036° |
Microstep 0.72° ~ 0.00288° (16 settings) |
Full step / Half step 1.8°/0.9° |
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Round Shaft |
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Encoder |
All frames utilize AlphaStep |
All frames utilize AlphaStep closed loop technology |
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Terminal Box |
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Electromagnetic Brake |
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Geared |
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