Predetermining Counter Pzv-E-C Subtracting, with Pneumatic Reset. Design Structure=Mechanical Sequence Counter with Pneumatic Drive, Type of Reset=Pushbutton or Pneumatic Signal, Display=5-Place, Release Pressure, Drive Unit=0, 2 ┬▒ 0, 1 bar, Release Pressure, Return=0, 15 ┬▒ 0, 1 bar, Festo