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.
0RGXOH
UHGXQGDQW"
6WDQGDUGPRGH
6DIHW\PRGH
6DIHW\PRGH"
5HTXLUHG
VDIHW\FODVV"
0RGXOH
UHGXQGDQW"
0RGXOH
UHGXQGDQW"
6WDQGDUG
PRGH
6WDQGDUG
PRGHKLJK
$YDLODELOLW\
6,/
6DIHW\
PRGH
6,/
6DIHW\PRGH
KLJKDYDLODELOLW\
6,/
6DIHW\PRGH
6,/
6DIHW\PRGH
KLJKDYDLODELOLW\
$SSOLFDWLRQVWR
1R
1R
1R
1R
<HV
<HV
<HV
<HV
6,/
&DW3/H
6,/
&DW3/G
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.