... Electrical Connections
Explosionproof I/P Option
The Type AV27 positioner employs an explosionproof I/P con-
verter that is mounted to an adapter block manifold. The
adapter block manifold is bolted to the outside of the main
positioner housing. The unit is a Type AV12 positioner with
the electric to pneumatic (4 to 20 mA / 20.7 to 103.4-kilopas-
cal (3.0 to 15.0-pounds per square inch gauge)) conversion oc-
curring within the externally mounted I/P converter.
Figure B-11B. External and Mounting Dimensions
AVI and AV2 POSITIONERS | SOI/AV12 RE V. A
11
The 4 to 20 mA input signal wires shall be connected through
an explosionproof conduit entrance on the I/P converter. If no
electrical connections are made within the main housing, the
entire positioner can be considered suitable for application in
the hazardous locations shown on the I/P label.
Refer to Figure B-11B for the external and mounting dimen-
sions of the Type AV27 positioner.
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