Emerson Fisher FIELDVUE DVC6000 HW2 - Page 97

Instruction Manual
D103785X012
Principle of Operation
June 2017
97
Figure A‐3. FIELDVUE DVC6000 HW2 Digital Valve Controller Block Diagram
E1569
INPUT SIGNAL
4-20 mA
+
HART
SUPPLY PRESSURE
PRINTED
WIRING BOARD
PNEUMATIC
RELAY
I/P
CONVERTER
OUTPUT A
OUTPUT B
VALVE TRAVEL FEEDBACK
FEEDBACK CONNECTION
TERMINAL BOX
DRIVE
SIGNAL
VALVE AND
ACTUATOR
VENT
AUXILIARY
TERMINALS
TERMINAL BOX
REMOTE
FEEDBACK
UNIT