Siemens SIMATIC ET 200eco Manual page 73

8.2.4 Application 3: Safety Mode AK6/SIL3/Category 4
Assigning Inputs to Each Other
The ET 200eco 4/8 F-DI has 8 fail-safe inputs DI 0 to DI 7 (SIL2). Two inputs each
can be used as one input (SIL3) The following assignment applies:
•
DI 0 with DI 4
•
DI 1 with DI 5
•
DI 2 with DI 6
•
DI 3 with DI 7
Sensor Supply
The ET 200eco 4/8 F-DI provides sensor supply Vs1 for inputs 0 to 3 and sensor
supply Vs2 for inputs 4 to 7. The sensor must be supplied internally.
ET 200eco Distributed I/O Station Fail-Safe I/O Module
A5E00297494-02
Digital F I/O Module
8-21