Features:

• Analog Feedback Loop & DC servo system

• Modularized by the function of servo circuits

• Overload protection for the Servo Amp and power supply output

• Servo Motor with Tacho Generator and Speed Reduction Gear

• PID Control Exercise

• Experiments:

• Transient Characteristics of Servo Motor

• Response Characteristics

• Speed Detection and Closed Circuit’s Composition

• Steady Speed Control

• Load Characteristics

• Position Detection and Operational Amplification

• Error Signal Detection and Closed Circuit’s Composition

• Position Control

• Closed Circuit’s Gain and Response Speed

• Servo Circuit Applications

• PID Control

Specification:

• Servo System Method : Analog Feed-back Loop, DC Servo

• Circuit Composition : Modular System (10 Modules and Motor, Electronic Brake)

• Speed Control Range : 0.01 RPM-60RPM

• Reduction Ratio 60:1

• Position Resolution : less than +- 3 degree

• Dimension: Modules (Min) : 109(W) x 50(H) x 109(D)mm

• System case (Min) : 610(W x 170(H) x 465(D)mm

Accessories:

• Aluminum Brake Disk : 1ea

• Inertia Flywheel Disc : 2ea

• Patch Cord(ø4 Plug) : 1set

• AC Power Cord : 1ea

• Experimental Manual : 1ea

Attenuator:

• The dual rotary type attenuator consists of 10 steps and each step reduces by 10%.

• Input Resistance :10 KohmX 10= 100Kohm

Summing Amp:

• Performs add-up operations for the current of three circuits and experiments on the gain and transfer characteristics.

• Input Circuit : 3-input analog summing

• Delay : Int./Ext

Pre-Amp

• Designed to control DC offset voltage and can control DC zero offset coming from the DC Amplifier.

• Offset Range : Approx ±5V

• Gain : 20dB

Motor Drive-Amp

• Min 10W DC differential amplifier has overload protection circuits and drives the Servo Motor.

• Output Power : 15V 700mA Max.

• Gain : 34dB Current Amp.

Tacho Detector

• Input:

• AC 1~1200Hz, 0~3V

• Output: DC ± 0~ 15V

• Polarity Sensitivity: Less than 0.1V

Power Supply

• Supplies power to the Servo Motor and other systems with overprotected DC outputs. The mounted ammeter shows currentstatus of the motor’s load.

• Output :± 15V 0.2 A (For modules) ±15V 0.5 (for motor)

• Protection : Overload and short circuit protection

• Input Voltage : AC 220V, 50/60Hz

Potentiometer

• The 360 degree rotary scales should mounted on this precision potentiometer for position setup and detection.

• Input Resistance : 1/10 K ohm

• Input Voltage : 30V Max.

• Resolution : Less than 1/1000 Division

• Power Dissipation : 2W at 25 d c

RPM Meter

• RPM Meter should be used together with Tacho Detector, and it indicates the Servo Motor’s RPM along the output of Tacho Detector.

• Max. Indication : 4000 RPM

• Input Impedance : approx 150Kohm

PID Control Module

• Consist of proportional integral derivation control element.

• Proportional gain : 0.1-1 and 1-10

• Input Power : ±5

• Integral Action Time :0.1-1.0 sec

• Dimension (Min) : 109(W)x50(H)x108(D)mm

Function Generator

• Should generate Square Wave for experiments on the motor’s response speed and transient characteristics.

• It should provides Ramp outputs for timing axis.

• Frequency Range : 0.1hz-1hz, 1-10hz

• Output : DC 15Vp-p

Magnet Brake

• The Magnet Brake should have rotational load by eddy currents presented to the aluminum rotational disk which should mounted on the motor’s high speed axis.

• Magnet Power : 5-500AT variable

• Magnet Air-gap : 4mm

• Input Voltage : AC 220V, 50/60Hz

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