Siemens S7-1200 System Manual page 24

Product overview
1.1 Introducing the S7-1200 PLC
Table 1- 1 Comparing the CPU models
Feature
Physical size (mm)
User memory Work
Load
Retentive
Local on-board Digital
I/O
Analog
Process image Inputs (I)
size
Outputs (Q)
Bit memory (M)
Signal module (SM) expansion
Signal board (SB), Battery board
(BB), or communication board
(CB)
Communication module (CM)
(left-side expansion)
High-speed Total
counters
1 MHz
100/ 80 kHz
1
30/ 20 kHz
1
Pulse outputs Total
2
1 MHz
100 kHz
20 kHz
Memory card
Real time clock retention time
PROFINET
Ethernet communication port
Real math execution speed
Boolean execution speed
The slower speed is applicable when the HSC is configured for quadrature mode of operation.
1
For CPU models with relay outputs, you must install a digital signal (SB) to use the pulse outputs.
2
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 829).
24
CPU 1211C CPU 1212C
90 x 100 x 75 90 x 100 x 75
30 Kbytes 50 Kbytes
1 Mbyte 1 Mbyte
10 Kbytes 10 Kbytes
6 inputs/4 8 inputs/6
outputs outputs
2 inputs 2 inputs
1024 bytes 1024 bytes
1024 bytes 1024 bytes
4096 bytes 4096 bytes
None 2
1 1
3 3
Up to 6 configured to use any built-in or SB inputs
-- --
Ia.0 to Ia.5 Ia.0 to Ia.5
-- Ia.6 to Ia.7
Up to 4 configured to use any built-in or SB outputs
-- --
Qa.0 to Qa.3 Qa.0 to Qa.3
-- Qa.4 to Qa.5
SIMATIC Memory card (optional)
20 days, typ./12 day min. at 40 degrees C (maintenance-free Super Capacitor)
1 1
2.3 μs/instruction
0.08 μs/instruction
CPU 1214C CPU 1215C
110 x 100 x 75 130 x 100 x 75
75 Kbytes 100 Kbytes
4 Mbytes 4 Mbytes
10 Kbytes 10 Kbytes
14 inputs/10 14 inputs/10
outputs outputs
2 inputs 2 inputs/2
outputs
1024 bytes 1024 bytes
1024 bytes 1024 bytes
8192 bytes 8192 bytes
8 8
1 1
3 3
-- --
Ia.0 to Ia.5 Ia.0 to Ia.5
Ia.6 to Ib.5 Ia.6 to Ib.5
-- --
Qa.0 to Qa.3 Qa.0 to Qa.3
Qa.4 to Qb.1 Qa.4 to Qb.1
1 2
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
CPU 1217C
150 x 100 x 75
125 Kbytes
4 Mbytes
10 Kbytes
14 inputs/10
outputs
2 inputs/2
outputs
1024 bytes
1024 bytes
8192 bytes
8
1
3
Ib.2 to Ib.5
Ia.0 to Ia.5
Ia.6 to Ib.1
Qa.0 to Qa.3
Qa.4 to Qb.1
--
2