6ES7321-1FH00-0AA0 SM321, 16 DI, 120/230V AC
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 16 DI, 120/230V AC, 1 X 20 PIN
Supply voltage |
Load voltage L1 |
● Rated value (AC) |
230 V; 120/230 V AC; all load voltages must have the same phase. |
Input current |
from backplane bus 5 V DC, max. |
29 mA |
Power loss |
Power loss, typ. |
4.9 W |
Digital inputs |
Number of digital inputs |
16 |
Input characteristic curve in accordance with IEC 61131, type 1 |
Yes |
Number of simultaneously controllable inputs |
horizontal installation |
— up to 40 °C, max. |
16 |
— up to 60 °C, max. |
16 |
vertical installation |
— up to 40 °C, max. |
16 |
Input voltage |
● Type of input voltage |
AC |
● Rated value (AC) |
230 V; 120/230V AC |
● for signal "0" |
0 to 40V |
● for signal "1" |
79 to 264V |
● Frequency range |
47 ... 63 Hz |
Input current |
● for signal "1", typ. |
6.5 mA; (120V, 60Hz), 16mA (230V, 50Hz) |
Input delay (for rated value of input voltage) |
for standard inputs |
— parameterizable |
No |
— at "0" to "1", min. |
25 ms |
— at "0" to "1", max. |
25 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. |
2 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 |
● Group error SF (red) |
No |
● Status indicator digital input (green) |
Yes |
Potential separation |
Potential separation digital inputs |