| SIMATIC S7-1200, digital input SB 1221,4DI,24V DC 200kHz, leaky input (M lesend) |
general information |
product Type mark | SB 1221,DI 4x24 VDC 200 kHz |
input current |
DC 5V from backplane bus, typical value | 40 mA |
power loss |
power loss, typical | 1W |
digital input |
number of digital inputs | 4; Current supply |
● In the component | 4 |
input voltage |
● input voltage type | DC |
● rating (DC) | 24V |
● For signal "0" | (L+ - 5.0V DC) ... L+ (1.4 ... 0 mA) |
● For signal "1" | 0V ...(L+ - 10V DC (10 ... 2.9 mA)) |
input current |
● For signal "0", maximum value (allowed closed circuit current) | 1.4 mA |
● For signal "1", minimum value | 2.9 mA |
● For signal "1", typical value | 7 mA |
input delay (when the input voltage is rated) |
for standard input |
-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 alarm input |
-Parameterizable | yes |
for Counter/technical functions |
-Parameterizable | yes |
wire Length |
● shielding, maximum | 50 m; Shielded twisted pair |
alarm/diagnosis/status information |
diagnostic display LED |
● used for input status | yes |
protection level and protection category |
protection level in accordance with EN 60529 | |
● IP20 | yes |
environmental requirements |
open Air |
● maximum drop | 0.3 m; Five, in the shipping package |
operating ambient temperature |
● minimum | -20°C |
● maximum value | 60°C |
● horizontal installation, minimum | -20°C |
● horizontal installation, maximum | 60°C |
● vertical installation, minimum | -20°C |
● vertical installation, maximum | 50°C |
ambient temperature during transportation/storage |
● minimum | -40°C |
● maximum value | 70°C |
air pressure meets IEC 60068-2-13 standard requirements |
● storage/transportation, minimum | 660 hPa |
● storage/transportation, maximum | 1 080 hPa |
relative air humidity |
● non-condensing operation at 25°C, maximum | 95% |
machinery/materials |
shell material (front) | |
● Plastic | yes |
size |
width | 38 mm |
height | 62 mm |
depth | 21 mm |
weight |
weight, about | 35g |