Control Of 4 Variables From Process Engineering .
Control of 4 Variables from Process Engineering
Specification: Control of 4 Variables from Process Engineering
- Control of level, flow rate, pressure, temperature and cascade control
- Circuit with collecting tank, graduated tank, pneumatic control valve and 6-stage variable-speed centrifugal pump
- Heating circuit with heater, pump, expansion vessel and heat exchanger
- Heater, pneumatic control valve and 6-stage variable-speed centrifugal pump as actuators
- Sensors for measurement of the controlled variables; level, flow rate, pressure and temperature
- 2 flow indicators, 1 manometer and 3 thermometers for direct display
- Parameterisable controller with 4 selectable control loops
- 3-channel line recorder
Technical Data
Tanks
- Graduated tank: approx. 6L
- Collecting tank: approx. 90L
6-stage centrifugal pump
- Max. flow rate: approx. 55L/min
- Max. head: approx. 60m
Heating circuit pump
- Max. flow rate: approx. 50L/min
- Max. head: approx. 3,5m
- Heater power output: approx. 2kW
- Controller parameterisable as
- P, PI or PID controller
- Switching controller
Sensor measuring ranges
- Level: 0...700mm
- Flow rate: 0...4000L/h
- Pressure: 0...6bar
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