SIMATIC S7-300, Digital input SM 321, 6ES7321-1BL00-0AA0

Основные характеристики

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
vertical installation
— up to 40 °C, max. 32
Input voltage
● Type of input voltage DC
● Rated value (DC) 24 V
● for signal «0» -30 to +5 V
● for signal «1» 13 to 30V