Application 2: Safety Mode Sil3/Cat.3/Ple - Siemens Simatic S7-1500 Manual

5.3

Application 2: Safety mode SIL3/Cat.3/PLe

Assigning inputs to each other
The digital input module F-DI 16x24VDC has 16 fail-safe inputs, DI
combine two of these inputs each to one input.
You can combine the following inputs:
● DI
● DI
● DI
● DI
● DI
● DI
● DI
● DI
The process signals are provided by channels DI
Note
You can mix 1oo1 evaluation and 1oo2 evaluation in an F-DI module. You must interconnect
and parameterize the inputs according to the fail-safe requirements (SIL3/Cat.3/PLd and
SIL3/Cat.3 or Cat.4/PLe).
Wiring
The wiring is carried out on the front connector of the module. Refer to the "Wiring" section in
the S7-1500 Automation System
(http://support.automation.siemens.com/WW/view/en/59191792) system manual.
Sensor supply
The sensor supply can be powered internally or externally.
Digital input module F-DI 16x24VDC (6ES7526-1BH00-0AB0)
Manual, 01/2016, A5E03858068-AA
and DI
0 8
and DI
1 9
and DI
2 10
and DI
3 11
and DI
4 12
and DI
5 13
and DI
6 14
and DI
7 15
Applications of the F-I/O module
5.3 Application 2: Safety mode SIL3/Cat.3/PLe
to DI
0
, DI , DI , DI , DI , DI
0 1 2 3 4
(SIL3). You can
15
, DI and DI .
5 6 7
37