Data Sheet

Data sheet 6ES7321-1EL00-0AA0

SIMATIC S7-300, Digital input SM 321, isolated, 32 DI, 120 V AC, 1x

40-pole

Supply voltage

Load voltage L1

● Rated value (AC)

120V

Input current

from backplane bus 5 V DC, max. 16mA

Power loss

Power loss, typ. 4W

Digital inputs

Number of digital inputs 32

Input characteristic curve in accordance with IEC

61131, type 2

Yes

Number of simultaneously controllable inputs

horizontal installation

— up to 40 °C, max.

— up to 60 °C, max.

vertical installation

6ES7321-1EL00-0AA0 Subject to change without notice

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Data sheet 6ES7321-1EL00-0AA0 SIMATIC S7-300, Digital input SM 321, isolated, 32 DI, 120 V AC, 1x 40-pole Supply voltage Load voltage L1 ● Rated value (AC) 120 V Input current from backplane bus 5 V DC, max. 16 mA Power loss Power loss, typ. 4W Digital inputs Number of digital inputs 32 Input characteristic curve in accordance with IEC 61131, type 2 Yes Number of simultaneously controllable inputs horizontal installation — up to 40 °C, max. 32 — up to 60 °C, max.
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— up to 40 °C, max. 32 Input voltage ● Type of input voltage AC ● Rated value (AC) 120 V; 47 ... 63 Hz ● for signal "0" 0 to 20V ● for signal "1" 74 to 132V Input current ● for signal "1", typ. 21 mA Input delay (for rated value of input voltage) for standard inputs — parameterizable No — at "0" to "1", max. 15 ms — at "1" to "0", max. 25 ms Cable length ● shielded, max. 1 000 m ● unshielded, max.
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required front connector 40-pin Dimensions Width 40 mm Height 125 mm Depth 120 mm Weights Weight, approx.