Siemens SIMATIC S7 Functional Safety Manual page 10

Table of contents
A.3.2 SM 1226 F-DI 16 x 24 VDC ................................................................................................. 171
A.3.2.1 Properties ............................................................................................................................. 171
A.3.2.2 User data space ................................................................................................................... 172
A.3.2.3 Specifications ....................................................................................................................... 172
A.3.2.4 Wiring diagrams ................................................................................................................... 175
A.3.3 SM 1226 F-DQ 4 x 24 VDC ................................................................................................. 177
A.3.3.1 Properties ............................................................................................................................. 177
A.3.3.2 User data space ................................................................................................................... 177
A.3.3.3 Specifications ....................................................................................................................... 178
A.3.3.4 Fuse and electronic overload protection .............................................................................. 180
A.3.3.5 Switching of loads ................................................................................................................ 181
A.3.3.6 Wiring diagrams ................................................................................................................... 183
A.3.4 SM 1226 F-DQ 2 x Relay ..................................................................................................... 184
A.3.4.1 Properties ............................................................................................................................. 184
A.3.4.2 User data space ................................................................................................................... 184
A.3.4.3 Specifications ....................................................................................................................... 185
A.3.4.4 Relay output circuits ............................................................................................................. 187
A.3.4.5 Switching performance and service life of contacts ............................................................. 188
A.3.4.6 Wiring diagrams ................................................................................................................... 190
A.4 Companion products ............................................................................................................ 192
A.4.1 PM1207 power module ........................................................................................................ 192
B Ordering information .............................................................................................................................. 193
B.1 Fail-Safe CPUs .................................................................................................................... 193
B.2 Fail-Safe signal modules (SM) ............................................................................................. 193
B.3 Other modules ...................................................................................................................... 193
B.4 Spare parts and other hardware .......................................................................................... 194
B.5 Programming software ......................................................................................................... 195
C Fail-Safe response times ....................................................................................................................... 197
C.1 Manual update note ............................................................................................................. 197
Glossary ................................................................................................................................................ 199
Index ...................................................................................................................................................... 207
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S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA