CAUTION
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
cases.
● Use dryers, especially if you operate the positioner at low ambient temperatures.
CAUTION
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
into a completely pressureless state. Proceed as follows:
– Depressurize the actuator chambers.
– Switch off the supply pressure PZ.
– Secure 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
be reached after a certain waiting time.
● When mounting, adhere strictly to the following order to avoid injuries or mechanical
damage to the positioner/mounting kit:
– Mount the positioner mechanically.
– Electric connection.
– Connect supply pressure PZ.
– Commission the positioner.
WARNING
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
Installing/mounting
4.1 Basic safety instructions
SIPART PS2 with 4 to 20 mA/HART
38 Operating Instructions, 11/2019, A5E00074631-AE
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