Introducing the powerful and flexible S7-1200
1.1 Introducing the S7-1200 PLC
Easy Book
16 Manual, 03/2014, A5E02486774-AF
Table 1- 1 Comparing the CPU models
User memory
Local on-board
I/O
Digital 6 inputs/4
8 inputs/6
14 inputs/10
14 inputs/10
14 inputs/10
Analog 2 inputs 2 inputs 2 inputs 2 inputs/2
2 inputs/2
Process image
size
Signal module (SM) expansion
Signal board (SB), Battery board
(BB), or communication board
1 1 1 1 1
Communication module (CM)
3 3 3 3 3
High-speed
counters
Up to 6 configured to use any built-in or SB inputs
1
1
Pulse outputs
2
Up to 4 configured to use any built-in or SB outputs
SIMATIC Memory card (optional)
Real time clock retention time
20 days, typ./12 day min. at 40 degrees C (maintenance-free Super Capacitor)
PROFINET
Ethernet communication port
1 1 1 2 2
Real math execution speed
The slower speed is applicable when the HSC is configured for quadrature mode of operation.
2
For CPU models with relay outputs, you must install a digital signal (SB) to use the pulse outputs.
The different CPU models provide a diversity of features and capabilities that help you create
effective solutions for your varied applications. For detailed information about a specific
CPU, see the technical specifications (Page 281).
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