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Pneumatic

Piezo Ceramic

PS11010-11L-S01
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P9 (PS11010-11L-S01) is a normally closed 3/2-way poppet valve with a piezoelectric ceramic actuator for switching compressed-air paths. Flow is from port 1 to 2 when ON and from port 2 to 3 when OFF, with overlap during switching. Nominal supply pressure is 1.35±0.05 bar. Follow the specified bipolar drive waveform and current limits.

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Features

  • Normally closed 3/2-way poppet valve with piezo actuator
  • Nominal supply pressure 1.35±0.05 bar
  • Capacitance ≤60 nF; maximum permissible current ≤30 mA
  • Flange mounting, contact pins, mass approximately 6 g

General specifications

ModelPS11010-11L-S01
Valve functionNormally closed 3/2-way poppet valve (overlapping)
Nominal supply pressure p11.35±0.05 bar
Nominal voltage (follow drive advice)±24 V DC
Maximum drive voltage Umax±27 V DC
Capacitance C≤60 nF
Maximum permissible current Imax≤30 mA
Holding current0.00 mA
Switching energy ENmin28.8 µJ
Mass (approx.)0.006 kg / 6 g
Ambient / medium temperature-30…+80 °C
Storage temperature-40…+80 °C
Protection classIP00
Mounting / electrical connectionFlange / contact pins; any mounting position

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Nominal flow and leakage conditions
Parameter Conditions Value
Nominal flow QN, 1→2 -30 °C 2.0±0.5 L/min
Nominal flow QN, 1→2 +80 °C 0.8±0.3 L/min
Leakage Lzu 0 V / +25 °C ≤0.1 L/min
Leakage Lab 24 V / +25 °C ≤0.15 L/min

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Drive voltage and timing
Stage Voltage / current limiting Timing and conditions
Current limiting Series resistor approx. 1 kΩ Maximum permissible current ≤30 mA
Switch ON +27 V DC Reduce to holding voltage after approx. 5 s
Hold ON +21.5 V DC Maintain the ON state
Switch OFF -27 V DC → 0 V Negative pulse duration >20 ms; return to 0 V within 100 ms
Power loss An OFF pulse is still required Provide stored energy for switching OFF, e.g. a capacitor

Conditions and selection notes

  • Flow and leakage depend on temperature, drive voltage and flow-path state. Select the valve using the values for the required operating conditions.
  • Use compressed air to ISO 8573-1, class 3, with a dew point 10 K below ambient temperature.
  • Valve holding current is 0.00 mA. Total system consumption also includes the drive circuit and switching energy. Voltage, duration, temperature and supply-pressure variation affect transfer behaviour; the drive circuit must meet the voltage, current-limiting and timing requirements.
  • Exhaust on power loss requires the drive circuit to provide a negative OFF pulse after supply power is lost, connecting working port 2 to exhaust port 3. The OFF pulse must last longer than 20 ms.
  • Voltage hysteresis UH ≤5.75 V at approximately +20 °C, with a 0–24 V triangular input at 15 V/s.
  • Flange mounting with optional PS11573 base plate. Do not apply tensile, compressive or lateral loads to the contact pins; the socket must not transmit force to them.

Flow paths and integration

For compressed-air switching in pneumatic systems that meet the pressure, medium and drive requirements.

  • ON: connect supply port 1 to working port 2
  • OFF: connect working port 2 to exhaust port 3
  • Integrate through the flange and contact pins with the pneumatic circuit and a dedicated drive circuit
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