Siemens S7-300 - Applications of SM 336; AI 6 X 13 Bit

Analog modules
9.2 SM 336; AI 6 x 13 Bit
Fail-safe signal modules
190 Installation and Operating Manual, 01/2010, A5E00085586-10
9.2.3 Applications of SM 336; AI 6 x 13 Bit
Selecting the application
The figure below helps you to select an application based on availability and fail-safe
operation requirements. The next pages provide information on the module wiring and
parameter settings in
STEP 7 .
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Figure 9-9 Application Selection - SM 336; AI 6 x 13 Bit
WARNING
The maximum Safety Integrity Level is determined by the sensor quality and the length of
the proof-test interval in accordance with IEC 61508. If the sensor quality does not meet the
requirements of the Safety Integrity Level, wire it to two channels for redundant operation.