Siemens SIPART PS2 Operating Instructions Manual page 48

Installing/mounting
4.3 Mounting the part-turn actuator
H = height of shaft butt
①
②
Figure 4-6
48
Adhesive label with scale
Fixing level of positioner on mount
Part-turn actuator
Dimensions of mount in accordance with VDI/VDE 3845 (depends on actuator)
Adhesive label with scale, flameproof enclosure
SIPART PS2 with and without HART
Operating Instructions, 02/2016, A5E00074631-AB