PES Series Smart Valve Positioner controls valve stroke accurately according to input signal of 4-20mA being input from controller. In addition, the integrated microprocessor performs various and powerful functions like Auto calibration, Alarm and Hart protocol.
PES features
• LCD attached outside the product allows to inspect the state of positioner in the field.
• Valve system can be stabilized by outputting analog feedback signal.
• Various valve characteristics such as linear, quick open, equal percentage are available
• Very simple auto calibration method
• PID parameters can be adjusted easily in the field only by button without communicator
• Tight Shut-Close and Shut-Open can be set
• Specific flow control is available with user setting (16 points)
• ZERO and SPAN can be set by Hand Calibration function
• Split range available
• Vibration resistant design which operates normally regardless of change of supply pressure
• Improvement of valve control speed by large flow pilot valve
• PST and Alarm function
• Linear and Rotary in one compact unit
• HART communication
• Remote type option is available
• Easy installation of option modules
• Built-in self-diagnostic function
• Modularization of the internal parts
• Material: aluminium die casting