CMA series modulating actuators

Features

• Can be powered by single-phase or direct current supplies
• Linear, quarter-turn and rotary drive action
• Permanently lubricated and maintenance free drive train
• Capable of being mounted in any orientation
• Accurate and repeatable position control
• 4 to 20 mA loop powered, feedback signal
• Digital communication options including HART®, Foundation FieldbusTM, Profibus®, Pakscan, RIRO and Modbus® available
• Field selectable adjustments for:
  • Deadband
  • Zero and span
  • Command signal type
  • Standard or reverse acting
  • Manual-auto operation
  • Output shaft position on loss of signal
• All CMA units have the ability to adjust their speed 50-100% of operation
• Shut off torque/thrust capability (60 -150% of rated) for required tight shut off at the valve in the CLOSE position
• Wide standard ambient temperature range:
  EP Product: -4 to +149 °F (-20 to 65 °C)
  WT Product: -22 to +158 °F (-30 to 70 °C)
• Optional high or low temperature trim
• Manual override standard
• Electronic thrust/torque limiting
• Two standard adjustable position switches
• 24 VDC option
• Pakscan, HART®, Profibus®, Modbus and Foundation Fieldbus® available
  Optional hard wired RIRO (Remote In Remote Out)