Siemens 6DR55 Series Manual page 88

Preparing for operation
2
actuator moves
into closed
position
tolerance band
4% < dw < 10%
?
yes
actuator moves
into open
position
hard stop
up < 97 % ?
yes
span
up--dw > 25 % ?
yes
3
Figure 50 Automatic initialization part 2 (in part--turn actuators)
86
turn friction clutch
until 0 appears
in the bottom line
no
of the display
no
continue with:
no
continue with:
continue with:
check
1
mechanics
manual intervention
SIPART PS2 PA Manual
A5E00127926--05