Thông tin chung
SIMATIC S7-1200, Digital I/O SB 1223, 2 DI/2 DQ, 24 V DC 200 kHz
Product type designation SB 1223, DI 2×24 V DC/DQ 2×24 V DC 200 kHz
Input current
from backplane bus 5 V DC, typ. 35 mA
Power loss
Power loss, typ. 0.5 W
Đầu vào
Number of digital inputs 2; Current-sourcing
● in groups of 2
Number of simultaneously controllable inputs
all mounting positions
— up to 40 °C, max. 2
Input voltage
● Type of input voltage DC
● Rated value (DC) 24 V
● for signal “0” (L+ minus 5.0 V DC) … L+
● for signal “1” 0 V … (L+ minus 10 V DC)
Input current
● for signal “0”, max. (permissible quiescent current) 1.4 mA
● for signal “1”, min. 2.9 mA
● for signal “1”, typ. 7 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable Yes; 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms
for interrupt inputs
— parameterizable Yes
for technological functions
— parameterizable Yes