Siemens SIPART PS2 Operating Instructions Manual page 137

10.The new positioner is ready for operation when the displayed and noted values match.
11.Release the fixing of the actuator.
Second possibility - without communication
1. Fix the actuator at its current position mechanically or pneumatically. Use the locking
2. Determine the actual position value. To do this, read the actual position value on the display
3. Dismount the previous positioner from the actuator.
4. Attach the lever arm of the previous positioner to the new positioner.
5. To prevent interference with the ongoing process, initialize the new positioner on an
6. Then dismount the new, initialized positioner from this actuator.
7. Mount the new, initialized positioner on the fixed actuator.
8. If the displayed actual position value differs from the noted value, correct the deviation by
9. Use the buttons on the positioner to enter the parameters which deviate from the factory
10.Change to the measured value view using the
11.Release the fixing of the actuator.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
function of your mounting kit, if available.
of the previous positioner. Note down the read value.
Note
Electronics defect
If the positioner's electronics is defective, measure the actual position value with a ruler or
protractor at the actuator or valve. Convert the read value into %. Note down the converted
value.
actuator with a similar stroke or swivel range. Attach the new positioner to this actuator.
Initialize the new positioner.
moving the friction clutch.
setting, such as type of actuator or tight closing.
operating modes (Page 108)".
7.7 Device replacement
button, see section "Description of
Commissioning
137