Device-specific Safety Instructions
Safety Manual
14 Operating Instructions, 06/2012, A5E03433511-05
The system component is of type B. For detailed information on values and
hardware/firmware versions, refer to the manufacturer declaration for the product
(Declaration of Conformity, Functional Safety according to IEC 61508 and IEC 61511).
The combination of sensor, automation system and final controlling element forms a safety-
related system that performs a safety function. The emphasis of this description is on the
sensor. For information on requirements for the automation system or final controlling
element, refer to the corresponding standards and the extended list of proof tests in
Maintenance and checks (Page 18).
If the dev
ic
e detects a failure (by diagnosis), the system must be brought to a safe state, and
the device shall be repaired within the Mean Time To Restoration (MTTR).
The base of this PFD calculation is a MTTR of 72 hours.
See also
Certificate of Conformity SITRANS SL Functional Safety
(http://support.automation.siemens.com
/WW/view/en/10806991/134200)