PROCESS SIMULATOR TRAINING MODULE Description and Specifications for Lab Tenders
PROCESS SIMULATOR TRAINING MODULE
• Set-point (reference) and comparison
block: D.C.: voltage variable from -8 V to +8 V, Pulse generator: Ton=30 ms,
toff=10 ms (slow), Ton=3 ms, toff=1 ms (fast), Manual pulse using pushbuttons,
Analog comparison block using operational amplifiers
• PID controller: Integral action range:
4 Ms – 400 ms (fast), 0.4 S – 40 s (slow), Derivative action range: 0 Ms – 40
ms (fast), 0 S – 4 s (slow), Proportional band range: 2.5% – 250%
(amplification 0.4 – 40)
• 3 Rotary potentiometers for regulation
of the PID controller parameters; “Lead” & “lag” compensating networks:-
“Lead” working range: 1 ms – 100 ms; - “Lag” working range: 1 ms – 100 ms; 1
Switch with handle for “lead” & “lag” network selection
• Non linear unit:- Limits adjustable
from 0 V to +8 V,- Dead band adjustable from 0 V to +8 V, - Hysteresis
adjustable over the whole range of the signal, -Two ranges for the backlash
according to the operating speed; 3 Potentiometers for non-linearity parameters
regulation potentiometers
• Process: - Lag/integrator with time constant: 10 ms (fast), 1 s (slow); -
Lag/integrator with time constant: 7 ms (fast), 0.7 s (slow);- Transport delay
unit (speed-distance) with useful frequency range: 0 – 30 Hz (speed) or 0 – 3
Hz
• Converters: Voltage/current and
current/voltage converter (Voltage range: ±8 V, Current range: 4 – 20 mA); LED
indication diodes for controller saturation; Analog indicators for the
controlled variable and for any other variable of the simulator; Automatic
reset system for repetitive experiences.
• DIM.: 386x 372 x 40 mm;
•
Power Supply: ± 12 Vdc / 0.5a;.