© Siemens AG 2011
Technical data: Standard CPUs |
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CPU |
CPU 312 |
CPU 314 1) |
CPU 315-2 |
CPU 315-2 |
CPU 317-2 |
CPU 317-2 |
CPU 319-3 |
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DP 1) |
PN/DP 1) |
DP |
PN/DP 1) |
PN/DP |
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Dimensions (mm) |
40 x 125 x 130 |
40 x 125 x 130 |
40 x 125 x 130 |
40 x 125 x 130 |
40 x 125 x 130 |
40 x 125 x 130 |
120 x 125 x 130 |
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N |
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Order No. group: 6ES7 |
312-1AE. |
314-1AG. |
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315-2AH. |
315-2EH. |
317-2AK. |
317-2EK. |
318-3EL. |
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Firmware |
V3.0 |
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V3.2 |
V3.3 |
N |
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V3.2 |
V3.2 |
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Memory |
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Work memory |
32 KB |
128 KB |
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256 KB |
384 KB |
1 MB |
N |
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1 MB |
2 MB |
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Instructions |
10 K |
42 K |
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85 K |
128 K |
340 K |
340 K |
680 K |
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Processing times |
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Bit operation |
0.1 µs |
0.06 µs |
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0.05 µs |
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0.025 µs |
N |
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0.025 µs |
0.004 µs |
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Word operation |
0.24 µs |
0.12 µs |
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0.09 µs |
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0.03 µs |
N |
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0.03 µs |
0.01 µs |
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Fixed-point operation |
0.32 µs |
0.16 µs |
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0.12 µs |
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0.04 µs |
N |
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0.04 µs |
0.01 µs |
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Floating-point operation |
1.1 µs |
0.59 µs |
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0.45 µs |
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0.16 µs |
N |
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0.16 µs |
0.04 µs |
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Bit memories/timers/counters |
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Bit memory |
256 bytes |
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2 048 bytes |
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4 096 bytes |
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8 192 bytes |
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S7 timers/counters |
256 / 256 |
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512 / 512 |
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2 048 / 2 048 |
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IEC timers/counters |
● *) |
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Address ranges |
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Number of I/Os (bytes) |
1 024 / 1 024 |
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2 048 / 2 048 |
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8 192 / 8 192 |
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Process image I/O (bytes), max. |
1 024 / 1 024 |
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2 048 / 2 048 |
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8 192 / 8 192 |
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Digital channels (central) |
256 |
1 024 |
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Analog channels (central) |
64 |
256 |
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DP interfaces |
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DP master systems internal / |
- / ● |
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● / ● |
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CP 342-5 |
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DP slaves |
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● |
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Data set gateway 2) |
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● |
● |
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PROFINET interface |
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PROFINET CBA |
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● |
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PROFINET IO |
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● |
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PROFINET with IRT |
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● 3) |
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● 3) |
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Open User Communication (OUC) |
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• TCP/IP |
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● |
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• UDP |
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● |
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• ISO-on-TCP (RFC 1006) |
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● |
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Web server |
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● |
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● |
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1)As SIPLUS extreme component also for extended temperature range -25 ... +60/+70 °C and corrosive atmosphere/condensation (for further details, see page 98 or www.siemens.com/siplus-extreme)
2)For explanation, see page 56 bottom right
*) Via SFB, number unlimited or limited by main memory
42 SIMATIC Modular Controllers