SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16DI, 24 V DC, 1×20 Pin
the data sheet sheet of 6es7321-1bh02-0aa0
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. | 10 mA |
Power losses | |
Power loss, typ. | 3.5 W |
Digital inputs | |
Number/binary inputs | 16 |
Input characteristic curve acc. to IEC 1131, Type 1 | Yes |
Number of simultaneously controllable inputs | |
horizontal installation | |
vertical installation | |
up to 40 °C, max. | 16 |
Input voltage | |
Type of input voltage | DC |
Rated value, DC | 24 V |
for signal “0” | -30 to +5 V |
for signal “1” | 13 to 30 V |
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 | |
Cable length, shielded, max. | 1000 m |
Cable length unshielded, max. | 600 m |
Encoder | |
Connectable encoders | |
2-wire BEROS | Yes |
permissible quiescent current (2-wire BEROS), max. | 1.5 mA |
Isochronous mode | |
Isochronous mode | No |
Interrupts/diagnostics/status information | |
Alarms | |
Alarms | No |
Diagnoses | |
Diagnostic functions | No |
Diagnostics indication LED | |
Status indicator digital input (green) | Yes |
Galvanic isolation |
Copyright © 2019 by Eusens Control System www.eusens.com