Burkert 8630 Operating Instructions Manual page 105

Setpoint
Dir.a Dir.a Dir.act ct ct ct ct Dir.a Dir.a
Relationship or direction of the actuator
Factory setting:
This function determines the direction of action between the air supply state and the actual value indication of the actuator
(Fig. 6.11).
Fig.6.11: Relationship between air delivery state
of the actuator and the actual value
Top Control Positioner
RISE
FALL
Input signal
DIR.ARISE
Bild 6.10: Sense of action
Direct command
(exhausted → 0%
Inverse command
(exhausted → 100%
Set position
exhausted
supplied → 100%)
supplied → 0%)
RISE
FALL
supplied Air supply
state
105