Inductive dual sensors for valve actuators

Inductive dual sensors for valve actuators

• Dual inductive sensor for hazardous gas areas, zone 2
• For all actuators according to VDI / VDE 3845
• Direct triggering of the solenoid valve from the sensor
• Reliable detection of wire break, peripheral faults and communication errors
• Easy wiring and set-up

AS-Interface dual sensor for pneumatic valve actuators AC327A

AS-Interface dual sensor for pneumatic valve actuators AC336A

AS-Interface dual sensor for pneumatic valve actuators AC326A

Dual inductive sensors for valve actuators

In hazardous areas where liquids, air or gases are used, valves are needed for dosing and control. The dual inductive sensors with AS-Interface provide reliable feedback of the valve positions on pneumatic valve actuators and valves. They are operated in combination with a switch target (also called 'puck'). In conjunction with an impact protection housing they can be used in hazardous areas.
The puck is mounted directly on the actuator shaft. It is equipped with two metal screws that are mounted at different heights and offset by 90°. A dual inductive sensor with two integral sensors detects the upper or the lower metal screw and, thus, the "open" or "closed" position of the valve. The system operates without contact or wear and is self-cleaning. It is virtually resistant to external influence and insensitive to mechanical stress such as vibration and shock.

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