| Inombolo yenqaku | 6ES7221-1BF32-0XB0 | 6ES7221-1BH32-0XB0 |
| | Igalelo leDigital SM 1221, 8DI, 24V DC | Igalelo leDigital SM 1221, 16DI, 24V DC |
| Iinkcukacha zajikelele | | |
| Ukutyunjwa kohlobo lwemveliso | SM 1221, DI 8x24 V DC | SM 1221, DI 16x24 V DC |
| Unikezelo lombane | | |
| Ixabiso elilinganisiweyo (DC) | 24 V | 24 V |
| uluhlu oluvumelekileyo, umda osezantsi (DC) | 20.4 V | 20.4 V |
| uluhlu oluvumelekileyo, umda ophezulu (DC) | 28.8 V | 28.8 V |
| Igalelo langoku | | |
| ukusuka backplane ibhasi 5 V DC, max. | 105 mA | 130 mA |
| Amagalelo edijithali | | |
| ● ukusuka kwi-voltage yomthwalo L + (ngaphandle komthwalo), max. | 4 mA; ngetshaneli nganye | 4 mA; ngetshaneli nganye |
| i-voltage yemveliso / i-header | | |
| unikezelo lombane lwezidluliseli / intloko | | |
| ● umsebenzi wemveliso / umbane wokubonelela ngee-transmitters | Ewe | Ewe |
| Ukulahlekelwa kwamandla | | |
| Ilahleko yamandla, uchwethezo. | 1.5 W | 2.5 W |
| Amagalelo edijithali | | |
| Inani lamagalelo edijithali | 8 | 16 |
| ● ngokwamaqela | 2 | 4 |
| Ijika leempawu zegalelo ngokuhambelana ne-IEC 61131, uhlobo loku-1 | Ewe | Ewe |
| Inani lamagalelo alawulekayo ngaxeshanye | | |
| zonke iindawo zokuxhoma | | |
| - ukuya kuthi ga kwi-40 °C, ubuninzi. | 8 | 16 |
| ufakelo oluthe tye | | |
| - ukuya kuthi ga kwi-40 °C, ubuninzi. | 8 | 16 |
| - ukuya kuthi ga kwi-50 °C, ubuninzi. | 8 | 16 |
| ufakelo oluthe nkqo | | |
| - ukuya kuthi ga kwi-40 °C, ubuninzi. | 8 | 16 |
| Igalelo lombane | | |
| ● Ixabiso elilinganisiweyo (DC) | 24 V | 24 V |
| ● ngophawu "0" | I-5 V DC kwi-1 mA | I-5 V DC kwi-1 mA |
| ● ngophawu "1" | I-15 V DC kwi-2.5 mA | I-15 V DC kwi-2.5 mA |
| Igalelo langoku | | |
| ● ngophawu "0", max. (umsinga ozolileyo ovumelekileyo) | 1 mA | 1 mA |
| ● ngophawu "1", min. | 2.5 mA | 2.5 mA |
| ● ngophawu "1", chwetheza. | 4 mA | 4 mA |
| Ulibaziseko lwegalelo (ngexabiso elilinganisiweyo lombane wegalelo) | | |
| kumagalelo asemgangathweni | | |
| - parameterizable | Ewe; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms kunye 12.8 ms, kukhethwe ngokwamaqela amane | Ewe; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms kunye 12.8 ms, kukhethwe ngokwamaqela amane |
| ukuphazamisa amagalelo | | |
| - parameterizable | Ewe | Ewe |
| Ubude bekhebula | | |
| ● ekhuselweyo, max. | 500 m | 500 m |
| ● engakhuselekanga, max. | 300 m | 300 m |
| Ukuphazamisa/ukuxilongwa/ulwazi lobume | | |
| Iialamu | | |
| ● I-alamu yokuxilonga | Ewe | Ewe |
| Diagnostics inkomba LED | | |
| ● kubume bamagalelo | Ewe | Ewe |
| Ukwahlukana okunokwenzeka | | |
| Ukwahlulwa okunokubakho kwamagalelo edijithali | | |
| ● phakathi kwamajelo, ngokwamaqela | 2 | 4 |
| Idigri kunye neklasi yokukhusela | | |
| IP degree yokhuseleko | IP20 | IP20 |