Product overview
1.2 Expansion capability of the CPU
S7-1200 Programmable controller
30 System Manual, V4.2, 09/2016, A5E02486680-AK
Expansion capability of the CPU
The S7-1200 family provides a variety of modules and plug-in boards for expanding the
capabilities of the CPU with additional I/O or other communication protocols. For detailed
information about a specific module, see the technical specifications (Page 1359).
Communication module (CM) or communication processor (CP) (Page 1530)
CPU (CPU 1211C (Page 1370), CPU 1212C (Page 1382), CPU 1214C (Page 1395),
CPU 1215C (Page 1409), CPU 1217C (Page 1425))
Signal board (SB) (digital SB (Page 1500), analog SB (Page 1511)), communication board
(CB) (Page 1541), or Battery Board (BB) CPU (CPU 1211C, CPU 1212C, CPU 1214C, CPU
1215C, CPU 1217C) (Page 1528)
Signal module (SM) (digital SM (Page 1442), analog SM (Page 1459), thermocouple SM
(Page 1473), RTD SM (Page 1479), technology SM) (Page 1485)