6ES7321-1BH02-0AA0 Siemens

SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x

40-pole

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

● Type of input voltage DC

● Rated value (DC) 24 V

● for signal "0" -30 to +5 V

● 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

— at "1" to "0", min. 1.2 ms

— at "1" to "0", max. 4.8 ms

Cable length

● shielded, max. 1 000 m

● unshielded, max. 600 m

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