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SIMATIC S7-300, CPU 312 IFM FOR EXPANDED TEMPERATURE RANGE CENTRAL PROCESSING UNIT WITH 10 DI/6 DO, 1 X 20 PIN., COUNTER, FREQUENCY MEASUREMENT INTEGRATED POWER SUPPLY 24 V DC 6 KBYTES WORKING MEMORY |
| Supply voltage |
| permissible range, lower limit (DC) |
20.4 V |
| permissible range, upper limit (DC) |
28.8 V |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| ● permissible range, lower limit (DC) |
20.4 V |
| ● permissible range, upper limit (DC) |
28.8 V |
| Power loss |
| Power loss, typ. |
9 W; incl. integrated inputs/outputs |
| Digital inputs |
| Number of digital inputs |
10; of which 4 channels can be used for process alarms or integrated functions |
| Input voltage |
| ● Rated value, DC |
24 V |
| ● for signal "1" |
15 to 30 V |
| Input current |
| ● for signal "1", typ. |
7 mA; Min. 2 mA |
| Cable length |
| ● Cable length, shielded, max. |
1 000 m; 100 m for alarm and counter inputs |
| Digital outputs |
| Number of digital outputs |
6 |
| Short-circuit protection |
Yes; Clocked electronically |
| Output voltage |
| ● for signal "1", min. |
L+ (-0.8 V) |
| Output current |
| ● for signal "0" residual current, max. |
0.5 mA |
| Switching frequency |
| ● with resistive load, max. |
100 Hz |
| ● with inductive load, max. |
0.5 Hz |
| Cable length |
| ● Cable length, shielded, max. |
1 000 m |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
Yes |
| — permissible quiescent current (2-wire sensor), max. |
1.5 mA |
| Ambient conditions |
| Operating temperature |
| ● min. |
-25 °C |
| ● max. |
60 °C |
| Dimensions |
| Width |
80 mm |
| Height |
125 mm |
| Depth |
130 mm |
| Weights |
| Weight, approx. |
450 g |
| last modified: |
21.08.2014 |
