Siemens SIPART PS2 Series Operating Instructions Manual page 38

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.
Adhere to the following instructions 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 actuator and the process valve
● Make sure that the actuator has reached the pressureless state.
● If you interrupt the supply pressure PZ to the positioner, the pressureless position can only
● When mounting, adhere strictly to the following order to avoid injuries or mechanical
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
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CAUTION
cases.
CAUTION
into a completely pressureless state. Proceed as follows:
– Depressurize the actuator chambers.
– Switch off the supply pressure PZ.
– Secure the process valve.
be reached after a certain waiting time.
damage to the positioner/mounting kit:
– Mount the positioner mechanically.
– Electric connection.
– Connect supply pressure PZ.
– Commission the positioner.
WARNING
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE