Data Sheet

Data sheet 6ES7321-7EH00-0AB0

SIMATIC S7/PCS 7 SM 321 digital input, 16 DI; 24/125 V DC, 1 x 40-

pole, interface with wire break diagnostics, hardware interrupt

diagnostics

Supply voltage

Load voltage L+

● Rated value (DC)

24V

● permissible range, lower limit (DC)

24V

● permissible range, upper limit (DC)

125V

Input current

from backplane bus 5 V DC, max. 90mA

Power loss

Power loss, typ. 2W; V_in = 24 V DC

Time stamping

Accuracy 0.1ms; Use shielded cables and parameterize an input delay of

0.1 ms.

Digital inputs

Number of digital inputs 16

Input characteristic curve in accordance with IEC

61131, type 1

Yes

Number of simultaneously controllable inputs

6ES7321-7EH00-0AB0 Subject to change without notice

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Data sheet 6ES7321-7EH00-0AB0 SIMATIC S7/PCS 7 SM 321 digital input, 16 DI; 24/125 V DC, 1 x 40pole, interface with wire break diagnostics, hardware interrupt diagnostics Supply voltage Load voltage L+ ● Rated value (DC) 24 V ● permissible range, lower limit (DC) 24 V ● permissible range, upper limit (DC) 125 V Input current from backplane bus 5 V DC, max. 90 mA Power loss Power loss, typ. 2 W; V_in = 24 V DC Time stamping Accuracy 0.
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horizontal installation — up to 60 °C, max. 16; V_in = 100 V DC vertical installation — up to 40 °C, max. 16; V_in = 100 V DC Input voltage ● Rated value (DC) 24 V; 24 V DC to 125 V DC ● for signal "0" -146 to 5V ● for signal "1" 15 to 146V Input current ● for signal "1", typ. 3.5 mA Input delay (for rated value of input voltage) for standard inputs — parameterizable Yes; 0.1 / 0.5 / 3 / 15 / 20 ms Cable length ● shielded, max. 1 000 m ● unshielded, max.
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between different circuits 250 V AC/300 V DC Isolation Isolation tested with 3 500 V DC Ambient conditions Ambient temperature during operation ● min. 0 °C ● max. 60 °C Connection method required front connector 1x 40-pin Dimensions Width 40 mm Height 125 mm Depth 120 mm Weights Weight, approx.