Fail In Place: Replacing The Basic Electronics; Repair/Upgrading - Siemens 6DR50 Series Operating Instructions Manual

Service and maintenance

11.3 Fail in Place: replacing the basic electronics

11.3 Fail in Place: replacing the basic electronics
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
If you are using a positioner with the "Fail in Place" function, the following procedure must be
observed when replacing the basic electronics so as to prevent damage to the device.
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 on installing
option modules (Page 48)".
4. Set the "'51.PNEUM' Fail in place (Page 174)" parameter from "Std" to "FIP".
5. Install the enclosure cover.
6. Switch on the supply air PZ again.
7. Initialize the positioner as described in section "Commissioning (Page 113)"
Damage to the device through a surge of compressed air
Following replacement of the basic electronics, there is a danger that the device could be
damaged due to a surge of compressed air.
• Observe the procedure described above.
11.4

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
Technical support (Page 274)
238
CAUTION
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12