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5-Phase Stepper Motor Drivers


RKII Series 5-Phase Stepper Motor Drivers (AC Input)

5-Phase Stepper Motor Drivers - RKII Series

The RKII Series stepper motor driver is a high performance, energy saving stepper motor driver with a great low price. To achieve constant maximum torque output with low heat generation and save energy, the stepper motor and driver losses have been substantially reduced allowing to be operated for longer hours at high speed, which is not possible with conventional stepper motors and drivers. With simple wiring featuring screw-less connectors and side by side driver mounting, installation is easy and saves space.

  • High Efficiency, Low Vibration, Microstepping Stepper Motor Driver
  • Stored Data (Network Compatible) Type or Pulse Input Type (use step angle switch to accept 1.8° pulse signals)
  • Built-in Protective Functions
  • Single-Phase 100-120 or Single-Phase 200-240 VAC

CVD Series 5-Phase Stepper Motor Drivers (DC Input)

5-Phase Stepper Motor Drivers - CVD

The CVD 5-phase stepper motor driver offers superior performance and value and is ideal for OEM or single axis machines. The CVD stepper motor drivers offer:

  • Lowest Vibration and Noise with advanced Microstepping control
  • Significantly improves positional accuracy when microstepping
  • Small, thin microstepping drive with space saving FETs
  • Selectable step angle and microstepping filter control
  • Alarms
  • 24 VDC Input
  • 0.35 ~ 3.8 A/Phase


CRD Series 5-Phase Stepper Motor Drivers (DC Input)

5-Phase Stepper Motor Drivers - CRD

The CRD 5-Phase Stepper Motor Driver with Built-in controller, Stored Data or Stored Program type, is a space saving, 5-phase driver / controller for New Pentagon type 5-phase stepper motors. The Stored Data type is network compatible and works with the FLEX products line for connectivity while the Stored Data type features advanced programing options. Both types support the lowest vibration through the use of a 5-phase motor, advanced microstepping control and are feature rich with many control options.

  • Stored Data (Network) or Stored Program Type
  • 5-Phase, Low Vibration, Microstepping Driver
  • Space Saving
  • 24 VDC / 0.35 ~ 1.4 A


Types of Stepper Motor Drivers

Drivers that operate in the pulse input mode and built-in controller mode are available. You can select a desired combination according to the required operation system.

Pulse Input Drivers

The stepper motor can be controlled using a pulse generator provided by the user. Operation data is input to the pulse generator beforehand. The user then selects the operation data on the host programmable controller, then inputs the operation command.

Pulse Input Type Drivers

Built-in Controller (Stored Data or Stored Program) Type Drivers

The built-in pulse generation function allows the motor to be driven via a directly connected personal computer or programmable controller. Since no separate pulse generator is required, drivers of this type save space and simplify wiring.

Built-in Controller Type Driver

Difference Between AC Input and DC Input Characteristics

A stepper motor is driven by a DC voltage applied through a driver. In Oriental Motor's 24 VDC input motor and driver systems, 24 VDC is applied to the motor. In the 100-115 VAC motor and driver systems, the input is rectified to DC and then approximately 140 VDC is applied to the motor (certain products are exceptions to this.)

This difference in voltage 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 system 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 systems, which are compatible over a wider range of operating conditions than DC input systems, be considered for your application.

AC Input vs. DC Input Drivers


5-Phase Stepper Motor Product Comparison

Product Series

RKII Series 5-Phase Stepper Motors (AC Input)

PKP Series 5-Phase Stepper Motors (DC Input)

5-Phase Stepper Motors (AC Input)

 

5-Phase Stepper Motors

 

Features

Improved Performance Accuracy
High Efficiency
Low Vibration
Low Noise

High Resolution
Low Vibration
Low Noise

Basic Step Angle

0.72°

0.72°, 0.36°

Driver Power Input

AC

DC

Frame Sizes

1.65 in. (42 mm) NEMA 17
2.36 in. (60 mm) NEMA 24
3.35/3.54 in. (85/90 mm) NEMA 34

0.79 in. (20 mm) NEMA 8
1.10 in. (28 mm) NEMA 11
1.65 in. (42 mm) NEMA 17
2.36 in. (60 mm) NEMA 24

Available Options

Geared Type
Encoder
Electromagnetic Brake

Geared Type
Encoder
Electromagnetic Brake

Max. Holding Torque

19.8 oz-in up to 460 lb-in

3.2 oz-in up to 70 lb-in

0.14 N·m up to 52 N·m

0.0231 N·m up to 8 N·m

Learn More

RKII Series 5-Phase Stepper Motors

PKP Series 5-Phase Stepper Motors




 

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High-Efficiency RKII Series Stepper Motors & Drivers


The RKII Series is a high performance energy saving stepper motor and driver package with a great low price. To achieve constant maximum torque output with low heat generation and save energy, the stepper motor and driver losses have been substantially reduced allowing to be operated for longer hours at high speed, which is not possible with conventional stepper motors and drivers. With simple wiring featuring screw-less connectors and side by side driver mounting, installation is easy and saves space.

Operating Principles of a 5-Phase Stepper Motor


With a higher resolution you get a smaller step angle, which in turn reduces vibration. Since the step angle of the 5-phase stepper motor is 2.5 times smaller than the 2-phase the ringing, vibrations, are much lower.

5-Phase Stepper Motor Structure


While the 2-phase motor moves 1/4 tooth pitch each phase. The 5-phase, because of its construction, moves 1/10 of a tooth pitch. Since the pitch is still 7.2°, the step angle is 0.72°. Simply based on construction, the resolution of the 5-phase has 500 steps per revolution versus the 2-phase with 200 steps per revolution. The 5-phase offers a resolution 2.5 times better than that of the 2-phase.

Stepper Motor Video - CCD Camera Positioning


For precision and high accuracy applications, such as positioning a CCD Camera for inspection, Oriental Motor offers a wide range of stepper motor products. Stepper motors are suitable for high accuracy positioning over a short distance and provide high torque even at low speeds. Stepper motors also offer very low vibration and a wide range of features and options such as gearheads, encoders and built-in controllers to meet the specific needs of your application.