Siemens SIPART PS2 Operating Instructions Manual page 58

Installing/mounting
4.5 Installing the optional modules
⑨
Position feedback module
⑩
Nameplate
⑪
Adapter
⑫
Transmission ratio selector
Figure 4-14 Installing the optional modules in the "flameproof enclosure" version
Opening the device version with "flameproof enclosure"
1. Disconnect the power supply lines or de-energize the power supply lines.
2. Open the safety catch
3. Unscrew the screw cap
4. Completely dismount the positioner from the actuator.
5. Turn the feedback shaft
the adapter
adapter, you will see the position of the pin.
6. Loosen the four fixing screws
7. Completely remove the adapter
The positioner comes with a clip
and ensure backlash-free position feedback. To ensure backlash-free position feedback
make sure you remove the adapter
8. Loosen the two fixing screws
9. Remove the module cover
If you install an option module, proceed as described for the respective option module. Remove
the basic electronics with an internal NCS module.
If you replace the basic electronics or a pneumatic block, proceed as described in the
respective chapters under "Service and maintenance (Page 241)".
58
⑪
shows in the direction of removal. If you look into the enclosure below the
NOTICE
Displaced O-rings
There are several O-rings between adapter
come off during removal.
● Carefully remove the adapter. Make sure the O-rings do not get lost during removal.
Safety catch
Clip
Enclosure
.
⑮
.
⑲
on the positioner until the pin (feedback lever bracket)
⑳
of the adapter
⑪
carefully from the enclosure
and a pin (feedback lever bracket)
⑪
carefully.
⑪
②
of the module cover
①
.
⑪
.
.
and enclosure . These O-rings may
①
.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC
⑰
below
⑰
which interlock