Instruction Manual
D103785X012
Calibration
June 2017
50
Figure 4‐4. FIELDVUE DVC6025 Digital Valve Controller Mounted on Fisher 2052, Size 33 Actuator
BIAS SPRING
(KEY 82)
MOUNTING
ADAPTER
(KEY 117)
ARM ASSEMBLY
(KEY 91)
FEEDBACK ARM ASSEMBLY
(KEY 84)
FEEDBACK ARM
TORSION SPRING
(KEY 93)
CAP SCREW, HEX SOCKET
(KEY 116)
MOUNTING BRACKET
(KEY 74)
X0919
3. Loosen the screw that secures the arm assembly to the travel sensor shaft. Position the arm assembly so that the
outer surface is flush with the end of the travel sensor shaft.
4. Connect a current source to the instrument LOOP - and LOOP + terminals. Set the current source to any value
between 4 and 20 mA. Connect the Field Communicator to the TALK terminals.
5. Before beginning the travel sensor adjustment, set the instrument mode to Out Of Service and the protection to
None.
6. From the
Calibrate
menu
,
select
Sensor Calibration, Travel Sensor.
Follow the prompts on the Field Communicator
display to adjust the travel sensor counts to the value listed in table 4‐2.