Siemens SIMATIC S7 - Page 159

Technical specifications
A.2 Fail-Safe CPU technical specifications
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
159
Pin
X10
X11 (gold)
X12
17
DI b.2
--
--
18 DI b.3 -- --
19
DI b.4
--
--
20 DI b.5 -- --
Note
Unused analog inputs should be shorted.