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Quick Start Guide

ManualsBrandsEmerson ManualsValve InstrumentationEmerson Fisher FIELDVUEDVC6200f Digital Valve Controller
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SIS
Quick Start Guide
D103556X012
DVC6200 Digital Valve Controllers
January 2014
15
Step 2—Connect the Pneumatic Tubing
NOTE:
1 APPLY LUBRICANT
1
W9702-1
67CFR
CAP SCREWS
O‐RING
SUPPLY CONNECTION (1/4 NPT)
Figure 16. Integral Mounting of a Fisher 67CFR Regulator on a FIELDVUE DVC6200 Digital Valve Controller
OUTPUT A (1/4 NPT)
OUTPUT B (1/4 NPT)
1. Connect the DVC6200 pneumatic output to the actuator input using at least 10 mm (3/8inch) diameter tubing.
D When using a singleacting direct digital valve controller (relay A or C) on a singleacting actuator, connect
OUTPUT A to the actuator pneumatic input.
D When using a singleacting reverse digital valve controller (relay B) on a singleacting actuator, connect OUTPUT
B to the actuator diaphragm casing.
D When using a doubleacting digital valve controller (relay A) on a doubleacting actuator, connect OUTPUT A and
OUTPUT B to the appropriate actuator pneumatic input. With no input current to the DVC6200, OUTPUT A is at
zero pressure and OUTPUT B is at full supply pressure when the relay is properly adjusted.
Note
To have the actuator stem extend from the cylinder with increasing input signal, connect OUTPUT A to the actuator cylinder
connection farthest from the actuator stem. Connect OUTPUT B to the cylinder connection closest to the actuator stem. To have
the actuator stem retract into the cylinder with increasing input signal, connect OUTPUT A to the actuator cylinder connection
closest to the actuator stem. Connect OUTPUT B to the cylinder connection farthest from the actuator stem.
WARNING
Supply pressure must be clean, dry air that meets the requirements of ISA Standard 7.0.01.
Alternatively, natural gas must be clean, dry, oil‐free, and noncorrosive. H
2
S content should not exceed 20 ppm.
Severe personal injury or property damage may occur from an uncontrolled process if the instrument supply medium is not
clean, dry, oilfree, and noncorrosive. While use and regular maintenance of a filter that removes particles larger than 40
micrometers in diameter will suffice in most applications, further filtration down to 5 micrometer particle size is
recommended. Lubricant content is not to exceed 1 ppm weight (w/w) or volume (v/v) basis. Condensation in the air
supply should be minimized.