Fisher FIELDBUE DVC6200 - Page 83

Instruction Manual
D103557X012
Principle of Operation
April 2016
83
Figure A‐3. FIELDVUE DVC6200 SIS Digital Valve Controller Block Diagram
E1470
INPUT SIGNAL
4-20 mA
+
HART
SUPPLY PRESSURE
PRINTED
WIRING BOARD
PNEUMATIC
RELAY
I/P
CONVERTER
OUTPUT A
OUTPUT B
VALVE TRAVEL FEEDBACK
TERMINAL BOX
DRIVE
SIGNAL
VALVE AND ACTUATOR
VENT
TERMINAL BOX
WITH COVER
MODULE BASE ASSEMBLY
PRINTED WIRING
BOARD ASSEMBLY
I/P CONVERTER
PNEUMATIC
RELAY
HOUSING
GAUGES
COVER
W9925-2-SIS
Figure A‐4. FIELDVUE DVC6200 SIS Digital Valve Controller Assembly