Checking Pressure Transmitter For External Damage; Add-On Parts; Checking A Device With Add-On Pneumatic Block - Siemens SITRANS P DS III Operating Instructions Manual

Functional safety

8.6 Add-on parts

Negative measurement result
If the two-point measurements of the pressure transmitter were not successful, the SIL level
is no longer guaranteed.
● Replace the pressure transmitter.
8.5.2.5

Checking pressure transmitter for external damage

● Make sure that the terminal compartment is dry.
● Make sure that the enclosure and the process connections do not have any leaks through
which the filling oil or the process medium could escape.
● Check the enclosure for critical damages.
● Make sure that the connecting cable is plugged in correctly and that it is not damaged.
8.6 Add-on parts
This chapter contains safety information for add-on parts.
Add-on parts unsuitable for process medium
Danger of injury or damage to device.
If the process medium is not suitable for the parts which come into contact with it, hot
and/or toxic or corrosive substances could be released.
• Refer to the information in the chapter "Technical data (Page 193)".
• Make sure that the add-on parts are suitable for the corresponding application with
8.6.1

Checking a device with add-on pneumatic block

Procedure
1. Check the connection between the pressure transmitter and pneumatic block and
between the pneumatic block and pipelines in the plant for leaks.
2. Observe the safety information and specifications in chapter Installing / mounting
(Page 39).
140
WARNING
regard to materials, temperature of process medium, and pressure.
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08