Flowserve PMV D3 Digital Positioner - Manual (Page 5)

5
3. Design
Filter Display, control push buttons
Positional feedback Processor and motherboard
Terminal block
Adjusting-
screws,
damping
Valve block
The D3 positioner contains:
• Electronic board with microprocessor,
HART modem, display, etc.
• Valve block
• Positional feedback with potentiometer
• Sealed compartment for electrical
connections The push buttons and display are
accessible underneath the aluminium
cover, which is sealed with an O-ring.
The figure shows the D3 with the cover
removed.