Siemens 6DR50 Series Operating Instructions Manual page 49

Requirements
● The positioner is mounted.
● You know whether the transmission ratio is to be set to 33° or 90°.
● The positioner has been commissioned successfully, i.e. initialization was completed with
"FINISH".
Procedure
NOTICE
The following is applicable for the "flameproof enclosure" version:
• A friction clutch is provided on the outside of the positioner shaft. Change the work area
• Do not open the flameproof enclosure of the positioner in explosion-prone atmospheres.
Fix the setting acquired by initialization as follows:
1. Make sure the gear latch
and 90°.
2. Make sure the transmission ratio selector
3. Fix the transmission ratio with the gear latch
approx. 4 mm wide screwdriver until the gear latch
transmission ratio to 33°
transmission ratio is locked.
Note
Changing the setting of the transmission ratio selector
The setting of the transmission ratio selector
gear latch
4. To fix the friction clutch
friction clutch gear latch
5. Use the screwdriver to turn the friction clutch gear latch
The friction clutch
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12
using this friction clutch, legend number
(Page 24)".
①
is in the neutral position
⑥
is fixed (does not apply to device version "Flameproof enclosure").
4.5 Positioners subjected to fast acceleration or strong vibration
⑨
in "Overview of device components
①
is in neutral position
⑤
is in the correct position.
①
②
. Turning left locks the transmission ratio to 90°
⑤
③
.
⑥
, insert a standard approx. 4 mm wide screwdriver in the
⑦
(does not apply to device version "Flameproof enclosure").
③
. The neutral position is between 33°
①
. Turn the gear latch
①
locks. Turning right locks the
can only be changed effectively if the
⑦
anticlockwise until it engages.
Installing/mounting
with a standard
④
. The
47