Siemens SIPART PS2 Service Manual

PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
13
Valve Symptom Guide
2
Possible Causes
Symptoms
Actuator Blow-By (double-acting only) (Page 15)
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Actuator End-Stops (Page 15)
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Air Leak (Page 16)
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Alarm Parameters (Page 17)
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Booster(s) Not Properly Tuned (Page 18)
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Change in Valve Stroke (Page 20)
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Change in Tuning Parameters (Page 22)
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Deadband Too Large (Page 23)
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Deadband Too Small (Page 24)
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Erratic Feedback (Page 25)
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Erratic Input Signal (Page 26)
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High Vibration (Page 27)
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Initialization Incomplete (Page 27)
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Insufficient Supply Air (Page 28)
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Loose or Worn Linkage (Page 29)
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Manual Mode (Page 31)
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Mechanical Blockage (Page 31)
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Parameter 1.YFCT (Page 31)
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Parameter 6.SCUR (Page 33)
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Re-Initialization Positioner (Page 33)
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Reversing the Action (Page 34)
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Setpoint Ramping (Page 35)
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Stays at 20 mA Position (Page 35)
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Stiction (Page 36)
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Supply Air Too High (Page 36)
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Too Much Restriction (Page 37)
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Tubing Lines Configuration (Page 38)
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Unit Not Initialized (Page 38)
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Valve Block Failure (Page 38)
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Valve Does Not Go Fully Closed/Open (Page 42)
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Wiring (Page 43)
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Siemens SIPART PS2 Specifications

General

Supply Pressure	1.4 to 7 bar (20 to 100 psi)
Enclosure Rating	IP66/NEMA 4X
Communication Protocols	HART, PROFIBUS PA, FOUNDATION Fieldbus
Output Pressure	0 to 100% of supply pressure
Hazardous Area Certification	ATEX, IECEx, FM, CSA
Type	Electropneumatic
Input Signal	4-20 mA
Rotation Angle	30° to 90°
Operating Temperature	-40°C to +80°C
Mounting	Linear and rotary actuators
Air Consumption	Typically less than 0.1 kg/h