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Installing/mounting
4.7 Installing option modules
Figure 4-11
Installing the optional modules in the "flameproof enclosure" version
General procedure for optional modules in the "flameproof enclosure" version
1. Disconnect the power supply lines or de-energize them.
2. Open the safety catch
3. Unscrew the screw cap
4. Completely dismount the positioner from the actuator.
5. The positioner comes with a ring gear
interlock and ensure backlash-free position feedback. To ensure backlash-free position
feedback make sure to remove the adapter
shaft
shows in the direction of removal. You determine the position of the pin by looking into
the enclosure below the adapter. Now, the pin can be easily removed from the ring gear
⑯.
Note
Damage to the ring gear
The ring gear consists of two washers fastened staggered to each other. This offset
ensures that path detection is backlash-free.
• Do not change this offset mechanically.
6. Unlatch the four fixing screws
7. Completely remove the adapter
8. Remove the module cover
9. Install the optional modules as described in the corresponding sections for the individual
optional modules.
54
⑬
⑮
at the positioner until the pin (feedback lever bracket) ⑲ below the adapter
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.
.
⑨
.
⑯
and a pin (feedback lever bracket)
⑩
⑫
.
⑩
from the enclosure
⑩
①
. Unlatch both screws
carefully. To this end, turn the feedback
⑰
.
⑰
and enclosure
. These O-rings may
②
using a screwdriver.
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12
⑲
which
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