• Same basic instrument for field / panel mounting
• Aluminium die-cast housing
• Protection class IP54 or IP65
• Well-established cross-bellows control system
• Set point, measured value and output indication
• Versions for master and slave control
• Push-buttons for manual / auto transfer
• Bumpless manual / auto transfer
• Limiting of controller output
• External feedback
• Field controller changeover relay
• Mode switching
• Operating point set internally / externally
• Function altered by interchanging standard modules
• Service label

P417 pneumatic controllers are complete pneumatic control stations and, in conjunction with transmitters, are suitable for all control applications in process plants, particularly for field mounting. 
  Field controllers are also available without indicator.