Indramat VT-110xx Series overview
Rexroth VT-110xx Series Electric Amplifier Modules for the closed loop control of proportional directional valves with electric positional feedback The amplifie...
Product details
Manufactured byIndramat
Product typeElectric Amplifier Module
DescriptionRexroth VT-110xx Series Electric Amplifier Modules for the closed loop control of proportional directional valves with electric positional feedback
Long DescriptionThe amplifier modules VT 11 023, VT 11 024, VT 11 074 and VT 11 075 are used for the closed loop control of direct operated proportional directional valves with electric positional feedback (type 4WRE: sizes 6 and 10).
CharacteristicsDifferential input Adjustable ramp generator (max ramp time 5 s) Step function generator (only with VT 11 023 and VT 11 024) Two pulsed current output stages Controller for the valve spool position Polarity safeguard for the voltage supply Oscillator and demodulator for the inductive positioning signalling Controller release Cable break recognition LED-displays:- • "power" - internal supply voltage (green)- • "H1" - multifunction indicator (orange)
OverviewThe amplifier module is clipped onto carrier rails such as those commonly installed in electronic control cabinets. The electric connection is via a terminal strip.The amplifier module contains the electronic components for the control of two proportional solenoids. Depending on the command value polarity solenoid "a" or "b" is controlled. The actual value (position of valve spool) is signalled by an inductive transducer measuring system and compared to the externally signalled command value. Occurring differences between actual and command value are levelled out.Through the connection of a positive voltage (UF > 8,5 V) at terminal 3 the controller and the output stage are released.
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Electric Amplifier Module
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