Siemens SIPART PS2 Service Manual

Appendix A
A.3 NOINI (P-Manual Mode) Troubleshooting
PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
59
● If there is no change with the large number on the display:
– Verify feedback connection is installed on positioner’s input shaft; see photos below
for rotary and linear coupling examples.
– Verify potentiometer’s ribbon cable is plugged into MPU board.
○ Remove top cover to gain access to MPU board.
● If movement is detected:
– Verify shaft linkage is secure to positioner's input shaft, see Loose or Worn Linkage
(Page 29) section for more details
Rotary Applications - Verify the coupling setscrew is tight.
Linear Applications – Verify all hardware is tight. If feedback solution has a white cone style
pin
, verify pin is compressed throughout all positons of the valve stroke.

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