| Helu ʻatikala | 6ES7221-1BF32-0XB0 | 6ES7221-1BH32-0XB0 |
| | Hoʻokomo Kikohoʻe SM 1221, 8DI, 24V DC | Hoʻokomo Kikohoʻe SM 1221, 16DI, 24V DC |
| ʻIke nui | | |
| Ka inoa ʻano huahana | SM 1221, DI 8x24 V DC | SM 1221, DI 16x24 V DC |
| Volta hoʻolako | | |
| Waiwai helu ʻia (DC) | 24 V | 24 V |
| ʻae ʻia, palena haʻahaʻa (DC) | 20.4 V | 20.4 V |
| ʻae ʻia, palena kiʻekiʻe (DC) | 28.8 V | 28.8 V |
| Hoʻokomo i kēia manawa | | |
| mai ka mokulele mokulele 5 V DC, max. | 105 mA | 130 mA |
| Hoʻokomo kikohoʻe | | |
| ● mai ka hoʻouka uila L+ (me ka ʻole o ka ukana), max. | 4 mA; no kēlā me kēia kanal | 4 mA; no kēlā me kēia kanal |
| puka uila / poʻo | | |
| hoʻolako uila o nā transmitters / header | | |
| ● huahana hana / hāʻawi uila no nā transmitters | ʻAe | ʻAe |
| Pau ka mana | | |
| Ka poho mana, type. | 1.5 W | 2.5 W |
| Hoʻokomo kikohoʻe | | |
| Ka helu o nā hoʻokomo kikohoʻe | 8 | 16 |
| ● ma nā pūʻulu o | 2 | 4 |
| E hoʻokomo i ka pihi hiʻona e like me IEC 61131, ʻano 1 | ʻAe | ʻAe |
| Ka helu o nā mea hoʻokomo i ka manawa like | | |
| nā kūlana kau a pau | | |
| — a hiki i 40 °C, max. | 8 | 16 |
| hoʻokomo ʻāpae | | |
| — a hiki i 40 °C, max. | 8 | 16 |
| — a hiki i 50 °C, max. | 8 | 16 |
| hoʻokomo kū pololei | | |
| — a hiki i 40 °C, max. | 8 | 16 |
| Volta hoʻokomo | | |
| ● Waiwai helu (DC) | 24 V | 24 V |
| ● no ka hōʻailona "0" | 5 V DC ma 1 mA | 5 V DC ma 1 mA |
| ● no ka hōʻailona "1" | 15 V DC ma 2.5 mA | 15 V DC ma 2.5 mA |
| Hoʻokomo i kēia manawa | | |
| ● no ka hōʻailona "0", max. (ʻae ʻia ka manawa mālie) | 1 mA | 1 mA |
| ● no ka hōʻailona "1", min. | 2.5 mA | 2.5 mA |
| ● no ka hōʻailona "1", type. | 4 mA | 4 mA |
| Hoʻopaneʻe ka hoʻokomo ʻana (no ka waiwai i helu ʻia o ka volta hoʻokomo) | | |
| no nā hoʻokomo maʻamau | | |
| — parameterizable | ʻAe; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms a me 12.8 ms, hiki ke koho i na hui o eha | ʻAe; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms a me 12.8 ms, hiki ke koho i na hui o eha |
| no na hookomo hoopau | | |
| — parameterizable | ʻAe | ʻAe |
| Ka lōʻihi o ke kaula | | |
| ● pale, max. | 500 m | 500 m |
| ● pale ʻole, max. | 300 m | 300 m |
| Hoʻopili/diagnostics/ʻike kūlana | | |
| Alarm | | |
| ● ʻO ka hoʻomaʻamaʻa diagnostic | ʻAe | ʻAe |
| Hōʻike hōʻike diagnostics LED | | |
| ● no ke kūlana o nā mea hoʻokomo | ʻAe | ʻAe |
| Hiki ke kaʻawale | | |
| Hiki ke hoʻokaʻawale i nā hoʻokomo kikohoʻe | | |
| ● ma waena o nā kahawai, ma nā hui o | 2 | 4 |
| Degere a me ka papa o ka palekana | | |
| IP degere o ka palekana | IP20 | IP20 |