Product data
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC
Main & Complementary
|
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
|
|
horizontal installation
|
|
up to 40 °C, max.
|
32
|
|
up to 60 °C, max.
|
16
|
|
vertical installation
|
|
up to 40 °C, max.
|
32
|
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