Siemens SIMATIC S7-1200

Introducing the powerful and flexible S7-1200
1.2 Expansion capability of the CPU
Easy Book
18 Manual, 03/2014, A5E02486774-AF
1.2
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 281).
①
Communication module (CM or communication processor (CP)
②
CPU
③
Signal board (SB), communication board (CB), or Battery Board (BB)
④
Signal module (SM)
Table 1- 3 Digital signal modules and signal boards
Type
Input only
Output only
Combination In/Out
③
digital SB
• 4 x 24 VDC In,
200 kHz
• 4 x 5 VDC In,
200 kHz
• 4 x 24 VDC Out, 200 kH
z
• 4 x 5 VDC Out,
200 kHz
• 2 x 24 VDC In/2 x 24 VDC Out
• 2 x 24 VDC In/2 x 24 VDC Out,
200 kHz
• 2 x 5 VDC In/2 x 5 VDC Out,
200 kHz
④ digital SM
• 8 x 24 VDC In • 8 x 24 VDC Out
• 8 x Relay Out
• 8 x Relay Out
(Changeover)
• 8 x 24 VDC In/8 x 24 VDC Out
• 8 x 24 VDC In/8 x Relay Out
• 8 x 120/230 VAC In/8 x Relay Out
• 16 x 24 VDC In • 16 x 24 VDC Out
• 16 x Relay Out
• 16 x 24 VDC In/16 x 24 VDC Out
• 16 x 24 VDC In/16 x Relay Out