| Article number |
6ES7221-3BD30-0XB0
|
|
|
SIMATIC S7-1200, Digital input SB 1221, 4 DI, 24 V DC 200 kHz, Sourcing input |
| General information |
| Product type designation |
SB 1221, DI 4x24 V DC 200 kHz |
| Input current |
| from backplane bus 5 V DC, typ. |
40 mA |
| Power loss |
| Power loss, typ. |
1 W |
| Digital inputs |
| Number of digital inputs |
4; Current-sourcing |
| ● in groups of |
4 |
| Input voltage |
| ● Type of input voltage |
DC |
| ● Rated value (DC) |
24 V |
| ● for signal "0" |
(L+ minus 5.0 V DC) ... L+ (1.4 ... 0 mA) |
| ● for signal "1" |
0 V ... (L+ minus 10 V DC (10 ... 2.9 mA)) |
| 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 |
| Cable length |
| ● shielded, max. |
50 m; shielded, twisted pair |
| Interrupts/diagnostics/status information |
| Diagnostics indication LED |
| ● for status of the inputs |
Yes |
| Standards, approvals, certificates |
| CE mark |
Yes |
| CSA approval |
Yes |
| UL approval |
Yes |
| cULus |
Yes |
| FM approval |
Yes |
| RCM (formerly C-TICK) |
Yes |
| KC approval |
Yes |
| Marine approval |
Yes |
| Ambient conditions |
| Free fall |
| ● Fall height, max. |
0.3 m; five times, in product package |
| Ambient temperature during operation |
| ● min. |
-20 °C |
| ● max. |
60 °C |
| ● horizontal installation, min. |
-20 °C |
| ● horizontal installation, max. |
60 °C |
| ● vertical installation, min. |
-20 °C |
| ● vertical installation, max. |
50 °C |
| Ambient temperature during storage/transportation |
| ● min. |
-40 °C |
| ● max. |
70 °C |
| Air pressure acc. to IEC 60068-2-13 |
| ● Storage/transport, min. |
660 hPa |
| ● Storage/transport, max. |
1 080 hPa |
| Relative humidity |
| ● Operation at 25 ℃ without condensation, max. |
95 % |
| Mechanics/material |
| Enclosure material (front) |
|
| ● Plastic |
Yes |
| Dimensions |
| Width |
38 mm |
| Height |
62 mm |
| Depth |
21 mm |
| Weights |
| Weight, approx. |
35 g |