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Siemens PM-E F pm DC24V PROFIsafe Installation And Operating Manual Page 114

Et 200s distributed i/o system - fail-safe modules.
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Fail-Safe Modules
7.5 4/8 F-DI DC24V PROFIsafe Digital Electronic Module
Conditions for achieving SIL/Category/PL
The table below lists the conditions which have to be met for achieving the various safety
categories.
Table 7- 18
Note
You can operate the various inputs of an F-DI module simultaneously in SIL2/Category
3/PLd and SIL3/Category 3 or 4/PLe. You only have to connect the inputs and assign the
parameters as shown in the following chapters.
Sensor Requirements
Please note the information in section
sensors for safety-related applications.
See also
Requirements for Sensors and Actuators (Page 37)
Using ET 200S Fail-Safe Modules (Page 14)
114
EM 4/8 F-DI DC24V PROFIsafe: Conditions for achieving SIL/Category/PL
Application
Sensors
1
1-channel
2.1
1-channel
2.2
2-channel
equivalent
2.3
2-channel,
nonequivalent
3.1
2-channel
equivalent
3.2
2-channel,
nonequivalent
Sensor
Sensor Supply
Evaluation
1oo1
Internal, with short-
Internal, without short-
1oo2
Internal, with short-
Internal, without short-
1oo2
Internal, without short-
1oo2
Internal, without short-
1oo2
Internal, with short-
"Requirements for Sensors and Actuators"
ET 200S Distributed I/O System - Fail-Safe Modules
Installation and Operating Manual, 08/2008, A5E00103686-07
achievable
SIL/Category/
PL
2 / 3 / d
circuit test
circuit test
External
3 / 3 / e
circuit test
circuit test
External
circuit test
External
circuit test
External
3 / 4 / e
circuit test
when using

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