Beckhoff DK9222-0610-0027 User Manual download pdf

I/O

Motion

Application Note DK9222-0610-0027

Keywords

Buffer capacitor

Brake chopper

Fieldbus

Drive

Stepper

DC motor

Output stage

DC link

Overload

Recovery

EtherCAT

K-Bus

Bus Terminal

PLC

Overvoltage protection and voltage stabilization for

Motion Control terminals

This application example describes how Motion Control applications with the output stages for servo, DC

and stepper motors by Beckhoff are optimized by the utilization of buffer capacitors. The buffer capacitor

terminals EL9570 for EtherCAT and KL9570 for K-Bus stabilize the voltage supply by absorbing the fed back

energy and dumping the energy that the buffer capacitor cannot protect against into an external braking

resistor. The buffer capacitor terminal protects the DC power supply and other motor terminals that may

be sharing the same DC power source. The buffer capacitor terminal extends the area of application for

Beckhoff Motion Control terminals to also include applications with short start/stop ramp times and large

inertia. Additional installation space in control cabinets is saved due to the solution’s compact design as a

double-sized standard terminal block.

Electrical drives

Variable-speed electrical drives are used in practically all industrial sectors. They are preferred for the following reasons:

– Good system efﬁciency

– Good or very good static and dynamic control characteristics

– Communication with higher-level controllers is possible

– Market prices are in line with user expectations.

Electrical drives are also inﬂuenced by the control electronics. New servo drives make complete solutions that are compact

and energy-saving possible. These exhibit dynamic control behavior, good torque stability, and control capability down to zero

speed.

New Automation Technology

Beckhoff

For application notes see disclaimer on the last page

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Summary of Contents

Page 1 - Motion Control terminals

I/OMotionApplication Note DK9222-0610-0027KeywordsBuffer capacitorBrake chopperFieldbusDriveStepperDC motorOutput stageDC linkOverloadRecoveryEtherCAT

Page 2 - Beckhoff

I/OMotionApplication Note DK9222-0610-0027Servo motors are suitable drives for position control applications. They combine motor, speed and angular po

Page 3

I/OMotionApplication Note DK9222-0610-0027Power supply of electrical drives – problems from real applicationsA Voltage peaks at the power supply unit

Page 4

I/OMotionApplication Note DK9222-0610-0027C Braking energy/energy recoveryThe faster the deceleration time of the motors, the more negative energy i

Page 5

I/OMotionApplication Note DK9222-0610-0027ccapacitors, an external braking resistor prevents overvoltage. The low internal resistance and the high pul

Page 6

I/OMotionApplication Note DK9222-0610-0027This publication contains statements about the suitability of our products for certain areas of application.

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Beckhoff DK9222-0610-0027 User Manual

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