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All AMETEK brushless DC motors and blowers require a motor/blower controller to operate. Many of these AMETEK BLDC motors and blowers feature a built in, integrated controller that takes the DC input from a power supply or battery and processes it into phase drive signals that are used to commutate the motor. Motors and blowers that require low voltage DC input (11 to 52 volts) that do not come equipped with an integrated, onboard controller, require one of the external controllers described in this section.
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The DECS 50/5 (Digital EC Controller Sensorless) is a new controller for driving brushless DC motors without Hall sensors.
Typical sensorless drives such as pumps and fan applications can now easily be created thanks to modern technology and expert integrated controlling algorithms. maxon's own in-house developed speed controller is particularly impressive through its performance, price and size.
As well as being a top performer, attractively priced and very small, the new amplifier's other key feature is that it can be easily adapted to specific requirements. The free choice of starting sequence is a major benefit, as it allows the attached motor to start up easily, even when the motor data or load ratios are unfavourable. The DECS 50/5 also provides control inputs for selecting motor direction, enable and braking. As usual, the necessary protective functions have all been fully implemented. An operating status display (LED) and speed monitor output complete the convenient control features.
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The Red Drive Controller is a compact (46x63mm) yet powerful motor driver and controller. It is designed to be used in conjunction with our dual channel encoder and wide range of low cost DC motors and gearboxes.
In combination with our unique graphical software and Serial Adapter units the Red Drive controller is easily programmed by the user. Both simple and complex sequences of motion can be undertaken with the user specifying how and when their motor will move. Full control is available over speeds, distances and direction. The unit is able to interact with switches, LEDs, buzzers and other user defined inputs and outputs.
The Red Drive software provides the user with an incredibly easy to use interface for defining all aspects of the controller. No complex programming is required, just a simple drag and drop flowchart style interface which uses real world values such as rpm and seconds.
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To control the speed of the DC motor gradually, smooth DC voltage across the armature of the motor needs to be regulated along with the fixed DC voltage across the Field winding in the case of the 4 wire DC motors. The DC drive featured here, generates the variable DC voltage using phase angle control technique incorporating Diode / SCR rectifier. The DC voltage across the armature winding can be smoothly varied using the potentiometer or using the external control signal of 4-20mA or (0-5)VDC. Models are available for 1/8HP to 5HP DC motors operating on 100VDC to 400VDC.
APPLICATIONS
Suitable for small machines in Plastic, Packaging and Pharmaceutical industries where smooth and steady control over DC motor is required
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Control Modes Velocity, Torque
Command Interface +/-10V velocity and torque command
PWM velocity and torque command
Communications RS232
Feedback Back-EMF (Velocity Mode)
I/O - Digital 5 inputs, 1 output
Dimensions 130 x 82 x 31 mm (5.1 x 3.2 x 1.2 in)
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DC drives are widely used in applications that require
regeneration, precise speed control, dynamic performance, and constant torque over wide speed ranges.The Mentor II
delivers the universal DC drive solution.
Simple stand-alone applications are easily configured to control motor speed, voltage or current using standard internal settings. Set-up is convenient using the drive keypad, CTKP remote keypad, or MentorSoft, a WindowsTM based drive configuration tool.The Mentor II has extensive diagnostic and communication abilities that enhance system reliability.The drive's standard yet powerful microprocessor is a versatile system component that can eliminate the need for a PLC with integral functions such as thresholds, timers and logic gates that perform basic control.
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DC drives
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The Dunkermotoren GR/G range (commutated DC motors) are notable for:
Longer life than commutated motors from other manufacturers
Low detent torques
High efficiency
High dynamic acceleration
Good regulation characteristics
High power density
Maintenance-free
Robust design
Low moment of inertia
Motor insulation class E
Winding insulation class F
Extremely high short time overload capacity of the motor
Surface protection
Minimum interference radiation, optional interference versions
Protection up to IP 65
High quality due to fully automated production lines
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The DC-motors can be combined with control electronics, gearboxes, brakes and encoders in a modular system to provide a flexible, adaptable, market-oriented solution.
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The RDxx is a complete positioning unit which integrates a DC gear-motor, a drive, an encoder and a controller. Profibus, CANopen and RS485 interface are available.
The Rotadrive is capable to move axis to target positions by means of ramps and with backlash compensation.
Thanks to its small dimensions (58x125x105 mm) RDxx can be mounted directly on spindle with Ø14mm and fixed by means of the collar and the anti-rotation pin.
Typical applications of this product is on tool-changers, gauges and packaging machinery.
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LSK - DC Motors
Shaft and bearings with high overload capacity (for belts transmission).
Roller bearings may be used in the drive end shield for very high radial loads.
Marking on shaft extension indicating the balancing class.
Compact design with high power / weight ratio.
Machined registers for high precision geometry.
Forced ventilation:
multiposition
multivoltage - multifrequency
ensures good thermal reserve
sound screen in option
Large number of possible options.
Brush holders fitted in option with wear limit microswitches.
Cast iron brackets.
Easy brush access via 4 large inspection doors.
Transparent inspection doors in option.
PTC probes connected in series provide added protection against incorrect use.
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No cogging or preferred rotor position
No iron losses
Extremely low current consumption
Low audible and electrical noise
Extremely light and compact
Smooth and accurate speed, position, and torque control
Low vibration
Speeds up to 100,000 rpm
Electronic commutation for extremely long operational lifetime
High precision gearboxes available in all sizes
Feedback components available in all sizes
Control electronics available for all motor series
Custom systems available from design to production
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The Matador range of motors was specifically designed to operate alongside the Maestro drives. Matador DC servomotors are compact with good dynamic performance and excellent smooth low speed
performance.The high commutation power allows the Matador to meet acceleration requirements without limiting the current at upper torque and speed values.
Optimum performance from a servo system is achieved by careful matching of motor and drive.
Peak currents are adjustable from 50% to 100% providing excellent flexibility in varying applications.
Features
High dynamic performance
Smooth low speed running
Tachometers fitted as standard
Long life brushes
Low inertia
Options Include:
- Failsafe brake
- Encoder
- Special flanges
- Motor Chokes
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