hydraulic valve design
A hydraulic Valve is driven by a linear force motor:
The core subsystems include:
Power Conversion
provides galvanic isolation between valve power, external fieldbus, and auxiliary 24V supplies. It also provides regulated supply voltages to the individual functional blocks.
Fieldbus Interface & Control
provides galvanic isolation between the system controller and the fieldbus signals. The system controller translates the incoming data from the fieldbus into valve commands for the DSP. It also translates the valve data from the DSP to Fieldbus signals.
The valve controller receives a position-command from the fieldbus via the system controller and drives the linear force motor until the output signal of the position sensor equals the input value of the position command. At the same time, pressure and temperature are monitored. An alarm condition is indicated, if one of these sensors exceeds a pre-determined safety-value.
More products of valves
2012-05-31
