Introducing the flexible and powerful S7-1200
1.1 Expanding the capability of the CPU
Easy Book
8
Manual, 05/2009, A5E02486774-01
Feature
CPU 1211C
CPU 1212C
CPU 1214C
Physical size (mm)
90 x 100 x 75
90 x 100 x 75
110 x 100 x 75
User memory
•
Work memory
•
Load memory
•
Retentive memory
•
25 Kbytes
•
1 Mbyte
•
2 Kbytes
•
25 Kbytes
•
1 Mbyte
•
2 Kbytes
•
50 Kbytes
•
2 Mbytes
•
2 Kbytes
Local on-board I/O
•
Digital
•
Analog
•
6 inputs/4 outputs
•
2 inputs
•
8 inputs/6 outputs
•
2 inputs
•
14 inputs/10 outputs
•
2 inputs
Process image size
•
Inputs
•
Outputs
•
1024 bytes
•
1024 bytes
•
1024 bytes
•
1024 bytes
•
1024 bytes
•
1024 bytes
Signal modules expansion
None
2
8
Signal board
1
1
1
Communication modules
3
3
3
High-speed counters
•
Single phase
•
Quadrature phase
3
•
3 at 100 kHz
•
3 at 80 kHz
4
•
3 at 100 kHz
1 at 30 kHz
•
3 at 80 kHz
1 at 20 kHz
6
•
3 at 100 kHz
3 at 30 kHz
•
3 at 80 kHz
3 at 20 kHz
Pulse outputs
1
2
2
2
Memory card (optional)
Yes
Yes
Yes
Real time clock retention time
10 days, typical / 6 day minimum at 40 degrees
Real math execution speed
18 μs/instruction
Boolean execution speed
0.1 μs/instruction
1
Only the DC output (non-relay) CPUs support the pulse outputs.
