Booster
E
E.1 Increased sound pressure level
CAUTION
Increased sound pressure level
Changes to the sound absorber of the positioner or the mounting of pneumatic components
or pneumatic options on the positioner can cause a sound pressure with a level of 80 dBA to
be exceeded.
● Wear suitable hearing protection to protect yourself against hearing damage.
E.2 Booster introduction
In order to shorten the travel times, use a booster between the positioner and actuator. The
booster increases the air performance.
With single-acting positioners, use of the boosters 6DR4004-1RJ, -1RK, -1RP or -1RQ, you
connect to the air output Y1.
With double-acting positioners, use one of the boosters 6DR4004-2RJ, 2RK, 2RP or 2RQ
which you connect to the air outputs Y1 and Y2.
Note
Double-acting positioners
The booster changes the double-acting operation of the positioner in the event of the loss of
supply air. The Integral Volume Booster or external Volume Booster is used to depressurize the
output pressure; the valve position cannot be determined in the event of loss of supply air. The
Integral Volume Booster does not have any effect on the operation of the positioner in the event
of the failure of the control signal or power supply.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC 335
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