DC Servo Motor Trainer

Brand: PValley

Model: DC94G54

Country of origin: China

Country of Assemble/ Manufacturer: Bangladesh

 

 

Specifications:

Speed Detector

• Purpose: Measures the rotational speed of the DC servo motor.
• Typical Components: Tachogenerator, encoder, or hall effect sensor.
• PLC Integration: The speed signal can be fed to an analog input module of a PLC, converted into digital using A/D converter, for monitoring and control in real time.

Summing Amp Block

• Purpose: Combines multiple input signals (like reference input and feedback) to produce an error signal for control.
• Components: Operational amplifiers (op-amps), resistors.
• PLC Integration: In a PLC setup, summing could be simulated digitally in PID function blocks, but on the trainer, it’s analog to show students real-time error calculation.

1. I. D. Controller Block

• Purpose: Implements Proportional-Integral-Derivative control to maintain desired motor speed or position.
• Components: Op-amp circuits or microcontroller-based PID block.
• PLC Integration: Modern PLCs can have built-in PID control modules. The analog PID block in the trainer mimics these, allowing hands-on learning.

Motor Drive Amp Block

• Purpose: Drives the DC servo motor with sufficient current and voltage.
• Components: Power transistors, H-bridge circuits, or MOSFETs.
• PLC Integration: PLC output modules (analog output or PWM output) can interface with the drive amp to control speed/position in industrial setups.

Brake Amp Block

• Purpose: Controls the braking action of the DC motor.
• Components: Power electronics to sink current, resistive braking circuits.
• PLC Integration: Digital output from PLC can engage the brake (relay or transistor switch) to stop the motor safely.

A/D & D/A Converter Block

• Purpose: Converts analog signals from sensors to digital (A/D) and outputs digital control signals as analog (D/A).
• Components: ADCs (like 8/12-bit), DACs, op-amps for scaling.
• PLC Integration: PLCs often have built-in analog I/O modules. Here, this block teaches how signals move between the analog and digital domain.

Computer Interface Block

• Purpose: Connects the trainer to a PC for monitoring, data logging, or control.
• Components: USB/RS-232/RS-485 interface, isolation circuits.
• PLC Integration: PLCs can communicate with SCADA/HMI software through similar interfaces for monitoring and programming.

Square Wave Generator Block

• Purpose: Generates test signals (like step or square waves) to study motor response.
• Components: Function generator IC or microcontroller.
• PLC Integration: PLC analog output or pulse output modules can generate similar test signals for system testing.

Position Indicating and Monitor Block

• Purpose: Shows motor shaft position.
• Components: Rotary encoder, potentiometer, or digital display.
• PLC Integration: Position feedback goes to encoder input modules on PLCs for motion control applications.

Counter Output Block(8 Bit Binary)

• Purpose: Counts pulses from encoder or events for position tracking.
• Components: 8-bit binary counter IC or microcontroller-based counter.
• PLC Integration: PLC counter modules perform similar tasks for counting pulses or events in industrial automation.

Potentiometer Block

• Purpose: Provides variable reference input for motor position/speed.
• Components: Precision potentiometer.
• PLC Integration: Can connect to analog input module as setpoint for motor control.

Reset Switch

• Purpose: Resets counters or control system.
• Components: Push button switch, pull-up/pull-down resistor.
• PLC Integration: PLC can have digital input for reset, clearing counters or alarms.

Machine Device: DC Servo Motor

• Purpose: The actual actuator being studied.
• Components: Motor with integrated shaft, possibly with encoder.
• PLC Integration: PLC sends analog/PWM signals to control speed and position via drive modules.

Balancing Position Control System

• Purpose: Demonstrates closed-loop control where motor returns to a set reference position.
• Components: PID controller, feedback sensor, drive amplifier.
• PLC Integration: Mirrors motion control loops in PLCs (e.g., in robotic arms or conveyor positioning).

Brake Style: Portable Type

• Purpose: Manual or electronic brake that can be attached/detached easily.
• Components: Electromechanical brake or friction brake.
• PLC Integration: Controlled via digital output to engage/disengage brake.

Standard Accessories:

• Connecting connector

• Power Cord: 01 Set
• Connecting Wire & Cable
• Complete 5 days Training Included
• User Manual or User Guide

Protection:

Under voltage, Supply over voltage, Drive overload, Short Circuit etc.

Warranty:01 (One) year with service