| Article number |
6ES7221-1EF22-0XA0
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|
|
*** spare part *** SIMATIC S7-200, digital input EM 221, isolated 8 DI, 120/230 V AC |
| Input current |
| from backplane bus 5 V DC, max. |
30 mA |
| Power loss |
| Power loss, typ. |
3 W |
| Digital inputs |
| Number of digital inputs |
8 |
| Input characteristic curve in accordance with IEC 61131, type 1 |
Yes |
| Input voltage |
| ● Type of input voltage |
AC |
| ● Rated value (AC) |
230 V; 220/230 V AC (47 Hz to 63 Hz) |
| ● for signal "0" |
up to 20 V AC |
| ● for signal "1" |
79V AC or more |
| Input current |
| ● for signal "1", typ. |
2.5 mA |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| — at "0" to "1", max. |
15 ms |
| Cable length |
| ● shielded, max. |
500 m |
| ● unshielded, max. |
300 m |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
Yes |
| — permissible quiescent current (2-wire sensor), max. |
1 mA |
| Potential separation |
| Potential separation digital inputs |
| ● Potential separation digital inputs |
Yes; Optocoupler |
| ● between the channels, in groups of |
1; 8 groups |
| connection method |
| Plug-in I/O terminals |
Yes |
| Dimensions |
| Width |
71.2 mm |
| Height |
80 mm |
| Depth |
62 mm |
| Weights |
| Weight, approx. |
160 g |