Replacing The Basic Electronics With The "Fail In Place" Function; Repair/Upgrading - Siemens SIPART PS2 Operating Instructions Manual

Service and maintenance

12.4 Repair/Upgrading

12.3

Replacing the basic electronics with the "Fail in Place" function

Requirements
You have a positioner with the "Fail in place" function, order suffix -Z F01.
Replacing the basic electronics with the "Fail in Place" function
When replacing the basic electronics for positioning controllers with the function "Fail in Place",
order suffix -Z F01, the parameters for the pneumatic type have to be set. The procedure is
described here.
Note
Possible Movement of the Drive
While replacing the basic electronics, the drive can unintentionally vent itself.
● Observe the procedure described below.
1. Switch off the supply air PZ.
2. Remove the enclosure cover of the positioner.
3. Replace the basic electronics as described in section "General information about the
4. Set the '49.PNEUM' Fail in place (Page 169) parameter of "Std" to "FIP".
5. Set the '51.FSTY' Safety position (Page 171) parameter to "FSSP" so that the positioner
6. Install the enclosure cover.
7. Switch on the supply air PZ again.
8. Initialize the positioner as described in section "Commissioning (Page 113)".
12.4 Repair/Upgrading
Send defective devices to the repairs department, together with information on the malfunction
and the cause of the malfunction. When ordering replacement devices, please provide the
serial number of the original device. You can find the serial number on the nameplate.
See also
Nameplate layout (Page 24)
Technical support (Page 312)
280
installation of option modules (Page 54)".
retains the current position even following switching on again.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB