Basic Safety Instructions - Siemens SIPART PS2 6DR5.1-E Instrucciones De Operación

4.4 Restrictors
● Reduce the air output to achieve travel times of T > 1.5 s for small actuators. Use restrictors Y1
purpose.
● When turned clockwise, they reduce the air output and finally shut it off.
● In order to set the restrictors, we recommend closing them and then opening slowly.
● In case of double-acting valves, ensure that both restrictors have approximately the same setting.
①
Restrictor Y1
②
Restrictor Y2, only in the version for double-acting actuators
③
Hexagon socket-head screw 2.5 mm
Figure 4-14 Restrictors
5 Commissioning
5.1

Basic safety instructions

WARNING
Improper commissioning in hazardous areas
Device failure or risk of explosion in hazardous areas.
Do not commission the device until it has been mounted completely and connected in accordance with the information
•
in Technical data (Page 38).
Before commissioning take the effect on other devices in the system into account.
•
WARNING
Loss of explosion protection
Risk of explosion in hazardous areas if the device is open or not properly closed.
Close the device as described in Installing/mounting (Page 8).
•
WARNING
Opening device in energized state
Risk of explosion in areas subject to explosion hazard.
Only open the device in a de-energized state.
•
Check prior to commissioning that the cover, cover locks, and cable inlets are assembled in accordance with the
•
directives.
Exception: Devices having the type of protection "Intrinsic safety Ex i" may also be opened in energized state in hazardous
areas.
SIPART PS2 (6DR5...)
A5E03436620-AB, 01/2017
① ②
and Y2 for this
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