Technical specifications Standard CPUs
SIMATIC S7-300
| CPU | CPU 312 | CPU 314 1) |
CPU 315-2 DP 1)
|
CPU 315-2 PN/DP 1) | CPU 317-2 DP | CPU 317-2 PN/DP 1) | CPU 319-3 PN/DP |
| Dimension (mm) |
40 x 125 x 130 | 40 x 125 x 130 | 80 x 125 x 130 | 80 x 125 x 130 | 120 x 125 x 130 | ||
| Order No. group: 6ES7 | 312-1AE. | 314-1AG. | 315-2AG. | 315-2EH. | 317-2AJ. | 317-2EK. | 318-EL. |
| Memory | |||||||
| RAM | 32 KB | 96 KB | 128 KB | 256 KB | 512 KB | 1 MB | 1.4 MB |
| Instructions | 10 K | 32 K | 42 K | 84 K | 170 K | 340 K | 470 K |
| Processing times | |||||||
| Bit operation | 0.2 µs | 0.1 µs | 0.1 µs | 0.05 µs | 0.01 µs | ||
| Word operation | 0.4 µs | 0.2 µs | 0.2µs | 0.2µs | 0.02 µs | ||
| Fixed-point operation | 5 µs | 2 µs | 2 µs | 0.2 µs | 0.02 µs | ||
| Floating-point operation | 6 µs | 3 µs | 3 µs | 1 µs | 0.04 µs | ||
| Bit memories/times/counters | |||||||
| Bit memory | 128 bytes | 256 bytes | 2048 bytes | 4096 bytes | 8192/8192 | ||
| S7 timers/counters | 128/128 | 256/256 | 256/256 | 512/512 | 2048/2048 | ||
| IEC timers/ counters |
■
|
■
|
■
|
■
|
■
|
||
| Address areas | |||||||
| I/O (bytes) | 1024/1024 | 1024/1024 | 2048/2048 | 8192/8192 | 8192/8192 | 8192/8192 | |
| I/O process image (bytes) | 128/128 | 128/128 | 128/128 | 256/256 | 2048/2048 | 2048/2048 | |
| Digital channels (central) | 256 | 1024 | 1024 | 1024 | 1024 | 1024 | |
| Analog channels (central) | 64 | 256 | 256 | 256 | 256 | ||
| DP interfaces | |||||||
| DP master system internal / CP 342-5 | -/■ | ■/■ | ■/■ | ■/■ | ■/■ | ||
| DP slaves | ■ | ■ | ■ | ||||
| PROFINET interface | |||||||
| PROFINET CBA | ■ | ■ | ■ | ||||
| PROFINET IO | ■ | ■ | ■ | ||||
| TCP/IP | ■ | ■ | ■ | ||||
| UDP | ■ | ■ | ■ | ||||
| ISO-on-TCP (RFC 1006) | n | ■ | ■ | ||||
| Web server | n | ■ | ■ | ||||