Siemens SIMATIC S7 - Page 169

Technical specifications
A.2 Fail-Safe CPU technical specifications
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
169
Pin
X10
X11 (gold)
X12
15
DI b.0
--
--
16 DI b.1 -- --
17
DI b.2
--
--
18 DI b.3 -- --
19
DI b.4
--
--
20
DI b.5
--
--
Table A- 43 CPU 1215FC DC/DC/DC (6ES7 215-1AF40-0XB0)
①
The two rectangular areas are
yellow. These are only on the
fail-safe CPUs.
②
24 VDC Sensor Power Out
For additional noise immunity,
connect "M" to chassis ground
even if not using sensor supply.
③
For sinking inputs, connect "-" to
"M" (shown). For sourcing in-
puts, connect "+" to "M".
Note: X11 connectors must be gold.
See Appendix B, Spare Parts for
article number.