Siemens SIPART PS2 Service Manual

PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
3
Table of contents
1 Introduction ............................................................................................................................................. 5
1.1 Purpose of this documentation ................................................................................................. 5
1.2 Requirements for special applications ...................................................................................... 5
1.3 Improper commissioning in hazardous areas ........................................................................... 5
1.4 Loss of explosion protection ..................................................................................................... 6
1.5 Opening device in energized state ........................................................................................... 6
1.6 Water in compressed air line .................................................................................................... 6
1.7 Loss of degree of protection ..................................................................................................... 7
1.8 Commissioning and operation with error message .................................................................. 7
1.9 Basic safety instructions ........................................................................................................... 7
1.10 Customer and Product Support ................................................................................................ 8
1.11 Device Overview ....................................................................................................................... 8
2 Valve Symptom Guide .......................................................................................................................... 13
3 Troubleshooting Procedures ................................................................................................................. 15
3.1 Actuator Blow-By (double-acting only) .................................................................................... 15
3.2 Actuator End-Stops ................................................................................................................. 15
3.3 Air Leak ................................................................................................................................... 16
3.4 Alarm Parameters ................................................................................................................... 17
3.5 Booster(s) Not Properly Tuned ............................................................................................... 18
3.6 Change in Valve Stroke .......................................................................................................... 20
3.7 Change in Tuning Parameters ................................................................................................ 22
3.8 Deadband Too Large .............................................................................................................. 23
3.9 Deadband Too Small .............................................................................................................. 24
3.10 Erratic Feedback ..................................................................................................................... 25
3.11 Erratic Input Signal .................................................................................................................. 26
3.12 High Vibration ......................................................................................................................... 27
3.13 Initialization Incomplete........................................................................................................... 27
3.14 Insufficient Supply Air ............................................................................................................. 28
3.15 Loose or Worn Linkage ........................................................................................................... 29
3.16 Manual Mode .......................................................................................................................... 31
3.17 Mechanical Blockage .............................................................................................................. 31

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