Siemens SIPART PS2 Service Manual page 53

Positioner Calibration
Remove the cover,
The PS2 has an LCD display and three (3) input buttons;
1. When the positioner is powered up for the first time, the display will flash NOINI (no
initialization) on the bottom right of the screen.
2. Verify the valve/actuator moves freely from full closed to full open. Push and hold the
button, then push and hold the
actuator will rapidly move to one end position.
sequence. Push and hold the
actuator has reached the end position, reverse the push button sequence to rapidly move
the actuator to its opposite position. To move the actuator slowly, push the
Place the actuator anywhere around mid-stroke by using one of the methods described
above.
There are two mechanical adjustments for 33° and 90° degrees. One is the locking
mechanism called the "Gear latch", see
⑤
Note
Important
The gear latch must be set to the neutral position BEFORE changing the transmission
ratio selector. Otherwise the actual gear will not engage.
PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
.
button. With both buttons pushed in this sequence, the
(If no movement occurs, reverse the button
button, then push and hold the
①
. The other is the transmission ratio selector,
Appendix A
A.2 Initialization Procedure
button.)
Once the
or only.
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