Siemens SIPART PS2 Operating Instructions Manual page 161

Factory setting:
Figure 9-1
Figure 9-2
Figure 9-3
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
The FLoW scale is the standardization from 0 to 100% in the range
between the 'YA' and 'YE' parameters. Over this range, the setpoint
w is also always 0 to 100%. This results in a more or less flow-pro‐
portional display and position feedback 'IY'. The flow-proportional
display and position feedback 'IY' also result when using valve char‐
acteristics.
In order to calculate the control deviation, the setpoint in the display
is also shown in the corresponding scale.
The following uses the example of an 80-mm linear actuator to illus‐
trate the dependence of the stroke on the scaling as well as on the
'YA' and 'YE' parameters; see the following figure.
MPOS
YNRM = MPOS or YNRM = FLoW; default: YA = 0 % and YE = 100 %
Example: YNRM = MPOS with YA = 10 % and YE = 80 %
Example: YNRM = FLoW with YA = 10 % and YE = 80 %
Parameter assignment
9.3 Description of parameters
161