Siemens SITRANS P Instruções de Operação Página 144

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Explosion protection for corresponding versions
Electromagnetic compatibility in compliance with EN 61326
8.2.4 Behavior in case of faults
Repairs
Defective devices should be sent in to the repair department with details of the fault and the
cause. When ordering replacement devices, please specify the serial number of the original
device. You will find the serial number on the nameplate.
The address of the responsible SIEMENS repair center, contacts, spare parts lists, etc. can
be found on the Internet.
8.2.5 Maintenance/Checking
Interval
We recommend that the functioning of the pressure transmitters be checked at regular intervals
of one year.
Checking the safety function
Check the safety function as detailed in the chapter Settings (Page 140).
Checking safety
You should regularly check the safety function of the entire safety circuit in accordance with
IEC 61508/61511. The testing intervals are determined in calculations for each individual
safety circuit in a system (PFD
AVG
).
Electronics and measuring cell
The safety function of the transmitter is ensured only if you use the electronics, measuring cell,
display and connection board delivered by the factory. These components cannot be replaced.
8.2.6 Safety characteristics
The safety characteristics necessary for using the system are listed in the "SIL declaration of
conformity". These values apply under the following conditions:
Functional safety
8.2 Device-specific safety information for single-channel operation (SIL 2)
SITRANS P, DS III series with HART
142 Operating Instructions, 09/2012, A5E00047092-08
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