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  Positioners / Process Controllers  
     
  Type 8694 - Digital electropneumatic positioner for integrated mounting on process control valves  
 
     
 
  Type Description  
  Compact positioner for integrated mounting on pneumatically controlled process control valves. The set-point value setting default occurs via standard signal 4-20 mA and/or via AS interface. A sensor element with contactless function records the valve spindle position. Simple start-up via automatic TUNE function and setting with the aid of DIP switch: sealing threshold, characteristic selection, inversion of direction, manual/automatic operating state switchover, digital input. Additional options available for parametrising using device DTM. A software interface can be used for the linearisation of the operating characteristic with the aid of a freely programmable characteristic, amongst other things. The status indicator functions using LEDs. An analogue position feedback can be optionally integrated.  
     
  Features  
  « Compact and robust stainless steel design  
  « Start-up with automatic TUNE function  
  « Contact-free position sensor  
  « Integrated pilot air duct in the actuator  
  « AS interface, IO-Link or Bürkert system bus (büS)  
     
 
 
 
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