6ES7321-1BL00-0AA0 SM321, 32DI, DC24V
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC, 1 X 40 PIN
| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| ● permissible range, lower limit (DC) |
20.4 V |
| ● permissible range, upper limit (DC) |
28.8 V |
| Input current |
| from backplane bus 5 V DC, max. |
15 mA |
| Power loss |
| Power loss, typ. |
6.5 W |
| Digital inputs |
| Number of digital inputs |
32 |
| Input characteristic curve in accordance with IEC 61131, type 1 |
Yes |
| Number of simultaneously controllable inputs |
| horizontal installation |
| — up to 40 °C, max. |
32 |
| — up to 60 °C, max. |
16 |
| vertical installation |
| — up to 40 °C, max. |
32 |
| Input voltage |
| ● Type of input voltage |
DC |
| ● Rated value (DC) |
24 V |
| ● for signal "0" |
-30 to +5V |
| ● for signal "1" |
13 to 30V |
| Input current |
| ● for signal "1", typ. |
7 mA |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| — parameterizable |
No |
| — at "0" to "1", min. |
1.2 ms |
| — at "0" to "1", max. |
4.8 ms |
| Cable length |
| ● shielded, max. |
1 000 m |
| ● unshielded, max. |
600 m |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
Yes |
| — permissible quiescent current (2-wire sensor), max. |
1.5 mA |
| Isochronous mode |
| Isochronous operation (application synchronized up to terminal) |
No |
| Interrupts/diagnostics/status information |
| Diagnostic functions |
No |
| Alarms |
| ● Diagnostic alarm |
No |
| ● Hardware interrupt |
No |
| Diagnostics indication LED |
| ● Status indicator digital input (green) |
Yes |
| Potential separation |
| Potential separation digital inputs |
