Commissioning
7.4 Settings on the pneumatic block
SITRANS VP300 with or without HART
134
Operating Instructions, 03/2011, A5E01258666-03
7.4
Settings on the pneumatic block
Requirement
Torx screwdriver TX20
Introduction
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①
Adjuster for purging air selector (purge air)
②
Adjuster for actuator size (actuator size)
③
Adjuster for behavior of device in case of sudden failure of pneumatic auxiliary power
Figure 7-1
Pneumatic block, schematic
Procedure "Adjuster for purging air selector" (purge air)
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Factory setting: "IN".
● Turn the adjuster to "IN" to vent the instrument air to the inside and flush the inside of the
device.
● Turn the adjuster to "OUT" to vent the instrument air to the outside.
Procedure "Adjuster for actuator size" (actuator size)
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You can set the actuator size in four categories. The adjuster is divided into four grids for this
purpose. Factory setting: bottom, very large actuators.