Servo and Proportional Valves are part of the family of continuous valves.
Continuous valves are characterized by the fact that their output variable
(spool position, pressure, volume flow) is proportional to the input signal.
This is achieved by feedback of the spool position into a mechanical or electrical control loop.
Moog servo valves are characterized by the fact that the valve spool is inserted into a bushing (spool-in-bushing).
The servo valves are therefore characterized above all by outstanding dynamics and excellent accuracy.
Moog proportional valves are characterized by the fact that the valve spool is fitted directly in the valve housing (spool-in-body).
This makes proportional valves particularly suitable for higher nominal volume flows.
Both designs are available in different nominal sizes,
both as direct operated and pilot operated valves and with different performance characteristics.
Moog valves, whether servo valves or proportional valves, enable high-precision control of position,
velocity, pressure and force in a wide range of applications.
The L180 servo drive features the following:
Power supply
- Single-axis unit that includes a regenerative module to minimise wiring and space requirements.
- 230 V three-phase or single-phase.
- Optional: External filter in the power supply is CE compliant.
- The drive is designed to Protective Extra Low Voltage (PELV) standards. An autotransformer is sufficient for the mains input.
Power Driver
- Galvanic isolation between control and power electronics.
- IGBT output stage.
- Digital PWM current loop provides low ripple motor current and high motor efficiency.
Digital Controller
- Fully digital servo drive for brushless motors with resolver.
- Easy software download via RS232 serial connection.
- Temperature regulated fan cooling.
- Multi-loop control (torque and speed).
- Sine current output ensures smooth torque and performance at low speeds.
- 7-segment status indicator for diagnostic display.
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