PID Controller:

1. Standard industrial controller that can be used as P, PI, PD or PID controller in the closed loop automatic control systems.
2. Input summing node for two different reference variables UR and UC and for one controlled variable UA.
3. Signal voltage range: -10V.... +10V
4. Parameters of the controller continuously adjustable
5. Proportional gain Kp = 0 ... 1000
6. Time of the integral action TI = 1ms ... 100s
7. Time of the derivative action TD = 0.2ms ... 20s
8. Reset input of the integral controller
9. Output summing node to add or subtract noise variables
10. Measurement terminal for the error signal
11. Adjustment screw for the output offset
12. Three led indicator of the sense of deviation
13. Coarse and fine adjustment of the proportional gain Kp, of the time of the integral action TI and of the time of the derivative action TD
14. Input Ioff for resetting the I controller

The board covers the following topics and experiments:

1. 1st order process simulator
2. 2nd order process simulator
3. High order process simulator
4. PID controller
5. P controller positive and negative
6. I controller (integrators)
7. D controller (derivators), negative (negative zero) and positive (positive zero)
8. 5 input adder
9. ON-OFF controller with hysteresis SIMULATED CONTROLLED SYSTEM
10. It allows the simulation of different processes, such as: 1st and 2nd order processes, proportional (P) action processes, integral I) action processes, double integral (I2) action processes.
11. Input summing point for controlling variable (y) and noise variable (z).
12. Signal voltage range: -10V, ..., +10V
13. Coefficient of the proportional action of the process
14. KP = 0.2 (attenuation) ....1.5 (amplification)
15. Time constant T1 = 0.1 .... 1000 s
16. Time constant T2 = 0.1.... 1000 s
17. Reset input for the restoration of the initial conditions
18. Coarse setting through rotary switches
19. Potentiometer fine setting
20. Led indicators of over-range

Two Position Controller:

1. Two position controller for discontinuous closed loop control systems.
2. It is provided with an input summing point to which the reference variable (non inverting input) and the controlled variable (inverting input) are connected.
3. By means of two led the binary state of the controller, whose hysteresis can be changed, is visualized.
4. The controller is provided with two binary outputs at different voltages.
5. Input Summing Point
6. Signal Voltage Range: -10V, ..., +10V
7. Output Voltages: 0/+5 V ; 0/+10 V
8. Adjustable Hysteresis: 0 .... ± 2.5 V