Operating instructions
SIPART PS2 with and without HART communications
Operating Instructions, A5E00074631-09
105
Functional safety
8
8.1 General safety notes
8.1.1 Safety-instrumented system
This chapter describes the functional safety in general and not specific to a device. The
devices in the examples are selected as representative examples. The device-specific
information follows in the next chapter.
Description
The sensor, logic unit/control system and final controlling element combine to form a safety-
instrumented system, which executes a safety function.
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Figure 8-1 Example of a safety-instrumented system
Chapter 8 is invalid and is replaced by
Compact operating instructions
"Functional Safety SIPART PS2" A5E00442120-04