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Waltec Elecronic Engineering

PII controller for nonlinear process

PID controllers have problems controlling nonlinear processes.

See here for an explanation.

 

Waltec has developed an controller for HVAC application that can be connected directly to an Frequency Inverter to control the pressure or vacuum in a system over the full range. Not like industrial PID controllers.

 

Following options are available.

 

Simple and robust IP65 pressure vacuum controller.

Simple control for Heating, Ventilation and Air Conditioning (HVAC)

Nonlinear process—no problem.

Pressure mBar

Pressure Pa

Display

Output voltage

-20 to +20

2000 to +2000

n

0-10 Volt

-70 to +70

7000 to +7000

n

0-10 Volt

-200 to +200

-20 000  to +20 000

n

0-10 Volt

-20 to +20

2000 to +2000

y

0-10 Volt

-70 to +70

7000 to +7000

y

0-10 Volt

-200 to +200

-20 000  to +20 000

y

0-10 Volt