Siemens SIPART PS2 Operating Instructions Manual page 40

Installing/mounting
4.1 Basic safety instructions
Unsuitable compressed air
Device damage. As a general rule, the positioner must only be operated with dry and clean
compressed air.
● Use the customary water separators and filters. An additional dryer is required in extreme
● Use dryers, especially if you operate the positioner at low ambient temperatures.
Note the following before working on the control valve and when attaching the positioner
Danger of injury.
● Prior to working on the control valve, you must move the control valve into a completely
● Make sure that the valve has reached the pressureless state.
● If you interrupt the pneumatic auxiliary power to the positioner, the pressureless position
● When mounting, observe the following sequence imperatively to avoid injuries or
Mechanical impact energy
In order to ensure the degree of protection of the housing (IP66), protect the housing versions
of the positioners listed here from mechanical impact energy:
● 6DR5..3; not greater than 2 Joule
● 6DR5..0; not greater than 1 Joule
● 6DR5..1 with inspection window; not greater than 1 Joule
40
CAUTION
cases.
CAUTION
pressureless state. Proceed as follows:
– Depressurize the actuator chambers.
– Switch off the supply air PZ.
– Lock the valve in its position.
can only be reached after a certain waiting time.
mechanical damage to the positioner/mounting kit:
– Mount the positioner mechanically.
– Connect the electrical auxiliary power supply.
– Connect the pneumatic auxiliary power supply.
– Commission the positioner.
WARNING
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC