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Siemens SIPART PS2 Service Manual

Siemens SIPART PS2
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Troubleshooting Procedures
3.3 Air Leak
PS2 Troubleshooting Guide
16 Service Manual, 03/2017, A5E36661550-AA
3.3
Air Leak
Note
For firmware 5.00.00 or greater only:
Verify parameter "PNEUM" is set correct
ly:
"Std" = Standard Valve Block or
"FIP" = Fail In Place Valve Block ("F10" at the end of the model code indicates FIP
option.)
Perform a leak test. Any number greater than 1.0 % will need to be corrected to prevent
premature wear of pneumatic valve block.
From Manual or "noini" mode, drive the valve to a mid-stroke position using the
and/or
buttons.
Press and hold all three buttons down for at least 2 seconds.
PS2 will now be in Diagnostic mode, with diagnostic number in lower left hand corner
of display.
Press
button to advance through the diagnostic menu.
Go to diagnostic: "LEAK".Press and hold
button for at least 5 seconds.
Display will flash between "test" and actual position.
After one minute, the screen will display the leak rate in percent of travel from original
positon.
To return to Automatic mode, press and hold the
button for 5 seconds.
The unit will now be in Manual mode.
Press
button one time to return to Automatic mode.
If leak is detected, check pneumatic fittings, air lines and actuator.
Use some form of leak detection or soap and water around the pneumatic connections
taking care not to wet the internals of the unit.
Identify leak and use appropriate method(s) for leak correction.

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Siemens SIPART PS2 Specifications

General IconGeneral
Supply Pressure1.4 to 7 bar (20 to 100 psi)
Enclosure RatingIP66/NEMA 4X
Communication ProtocolsHART, PROFIBUS PA, FOUNDATION Fieldbus
Output Pressure0 to 100% of supply pressure
Hazardous Area CertificationATEX, IECEx, FM, CSA
TypeElectropneumatic
Input Signal4-20 mA
Rotation Angle30° to 90°
Operating Temperature-40°C to +80°C
MountingLinear and rotary actuators
Air ConsumptionTypically less than 0.1 kg/h

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