Data Sheet
Data sheet 6ES7321-1FH00-0AA0
SIMATIC S7-300, Digital input SM 321, Isolated 16 DI, 120/230 V
AC, 1x 20-pole
Supply voltage
Load voltage L1
● Rated value (AC)
230V; 120/230 V AC; all load voltages must have the same
phase.
Input current
from backplane bus 5 V DC, max. 29mA
Power loss
Power loss, typ. 4.9W
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
6ES7321-1FH00-0AA0 Subject to change without notice
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09/13/2019 © Copyright Siemens