Features:

• Equipped with Rockwell Automation CSDJ Plus Servo Drive being widely used in industry

• PC-based control and monitoring through the computer software package

Experiment:

• Basic setting and operation of AC Servo Drive

• How to set parameters of the servo motor

• How to control the sequence of I/O signals and brake control signals

• Operation of the servo motor by the Line Drive Output

• Servo motor operation practices by the operators

• Multiple speed control practices

• Zero-clamp practices

• Torque control practices

Specification:

• Power source : Single-phase AC 220V (-15% ~ + 10%) , 50/60Hz

• Control method: PWM control in use of IPM

• Encoder : 2000 / 2048 / 2500 / 10000 P/R (incremental or absolute)

• Ambient temperature : 0º ~ +50ºC (90% R.H)

• Vibration / shock resistance : Vibration: 0.5G / Shock: 2G (1G = 9.8m/s2)

• Position (output) : Encoder output: A-phase, B-phase and Zphase (MC3487 Line Driver)

• External input : Servo ON/OFF, proportional control, forward/reverse rotation prevention, and alarm reset

• External output : Brake control (in rotation), servo alarm/code (3-bit), speed compliance (speed control mode),position compliance (position control mode), Zpulse (opencollector)

• Protective function : Overcurrent, overload, overvoltage, over speed, overheated inverter, CPU error, malfunctioned encoder, and communication disorder

• Dynamic brake : To be activated in case of alarm activation

• D/A output (speed) : Setting value (RPM) at ±1V/SET -08 (Max. ±10V)

• D/A output (torque) : Setting value (%) at ±1V/SET -09 (Max. ±10V)

• External indicator LED : Power ON, Servo Run, Servo Alarm

• Command values such as speed, torque, position and electrical angle

• Error values

• Feedback values

• Offset values

• Load inertia ratio

• PC software : All functions of Operator

Accessories:

• Power cord : 1ea

• Connection cable : 1set

• Serial cable (9-Pin, D-SUB) : 1ea

• PC software CD: 1ea

• User's manual : 1ea

Typical activities include:

• Describe the Main Elements of a PID Controller

• Investigate the data capture features of a digital storage oscilloscope.

• Conduct simple step, ramp, and frequency response tests.

• Demonstrate Proportional Speed control.

• Outline the reasons for adding velocity feedback.

• Demonstrate the change in following error when transient velocity feedback replaces velocity feedback.

• Discuss the effects of noise when subjected to derivative action

• Demonstrate various combinations of PID control.

• Demonstrate the stabilizing effect of a proportional action on system controlled with integral action.

• Operate the software controls to drive the DC Motor and observe its behavior.

• Measure the parameters of a plant using step tests.

• Account for the excellent steady state performance of a proportional servo position system.

• Set up a servo system to respond to ramp inputs using proportional gain and transient velocity feedback.

• Show how positive feedback can occur in a negative feedback system.

• Explain Gain Margin and Phase Margin.

• Describe the advantages and disadvantages of using computers in real-time control.

• Outline the problems arising from low resolution and slow sampling.

• Describe Gray code position measurement and other absolute and relative digital position measurement techniques.

• The Virtual Control Laboratory software should allow the control and monitoring of a DC motor module and command potentiometer, and it must includes the following items:

• Real time Windows based Virtual

• Control Laboratory software

• CLIO Control laboratory input/output interface module

• Parallel interface lead for connection between the interface module and the PC

The software must allows the user to divide the screen into four independently configurable sections:

• Control Reference signal

• Controller

• Plant

• Display

Items supplied with this Teaching Set should include:

• D.C. Motor Control Module

• Virtual Control Laboratory

• Command Potentiometer

• 4mm Connection Leads

• Power Supply

• Curriculum Manual Set

Standard Accessories: The equipment / instrument which are required to carry out the required experiment should come under standard accessories. The following accessories should be supplied along with this equipment: o Storage case/box