ADTRON’s Process Control Simulator ( Advance PID Controller ) is an excellent learning tool for the students to learn the concept of Proportional, Integral, Derivative and its combinations using simulated approach. The unit consists of an Input Disturbance generator, PID Controller, different types of processes, non—linear characteristics generator, indicating meters, etc all housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel. A comprehensive Instruction manual complete with theory and operation details is provided.
TECHNICAL SPECIFICATIONS
GENERAL
- Input and Output Range is + 10V at all points
- Frequency response of all basic amplifier configuration is flat at full output to 10 KHz
- Minimum resistive load on any output for full range : 5 K
- All outputs are short circuit proof.
INPUT DISTURBANCE GENERATOR BLOCK
- DC Voltage : 0 to +2.5V
- Square and Sine wave
Frequency : Slow Mode – 0.02Hz to 10Hz
Fast Mode – 0.2Hz to 100Hz
Amplitude : Variable, 0 — 5Vpp
- Single Step Input : +2.5V
CONTROLLER BLOCK
- Set Value : 0 to +10V
- Integral Time ( Ti ) : Slow Mode – 25Sec to 500mSec
Corresponding to 0.04 to 2 repeats / s
Fast Mode – 250mSec to 5mSec
Corresponding to 4 to 200 repeats / s
- Derivative Time ( Td ) : Slow Mode – 0 to 2Sec
Fast Mode – 0 to 20mSec
- Proportional Band ( P ) : 200% to 4%
Corresponding to gain constant of 0.5 to 25
PROCESS BLOCK
The Process Block consists of various process like
- Inverter : It represents a sign changer.
- Distance Velocity Lag : It represents the time required to transport material or propogate a signal or condition from one point to another.
Time Delay : Slow Mode – 1Sec
Fast Mode – 10mSec
Frequency Range : Slow Mode – 0 to 0.3Hz
Fast Mode – 0 to 30Hz
- Simple Lag : It represents the simple lag due to circuit components.
Lag : Slow Mode – 1Sec
Fast Mode – 10mSec
- Lag / Integrator : This circuit works as a Lag or Integrator selectable using switch ( 2 Blocks) .
Lag / Integrator : Slow Mode – 1Sec
Fast Mode – 10mSec
NON—LINEAR UNIT
The non-linear unit represents characteristics like
- Linear : Slope of Linear portion is Unity
- Limits : 0.5 to 5V
- Deadband
- Backlash
- Two step and Three step ( relay ) with overlap.