| Nambala ya nkhani | 6ES7221-1BF32-0XB0 | 6ES7221-1BH32-0XB0 |
| | Kulowetsa kwa Digito SM 1221, 8DI, 24V DC | Kulowetsa kwa Digito SM 1221, 16DI, 24V DC |
| Zina zambiri | | |
| Mtundu wa chinthu | SM 1221, DI 8x24 V DC | SM 1221, DI 16x24 V DC |
| Mphamvu yoperekera | | |
| Mtengo wovotera (DC) | 24 V | 24 V |
| mulingo wovomerezeka, malire otsika (DC) | 20.4 V | 20.4 V |
| mulingo wovomerezeka, malire apamwamba (DC) | 28.8 V | 28.8 V |
| Lowetsani panopa | | |
| kuchokera ku basi ya backplane 5 V DC, max. | 105 mA | 130 mA |
| Zolowera za digito | | |
| ● kuchokera ku voteji ya katundu L+ (popanda katundu), max. | 4 mA; pa njira iliyonse | 4 mA; pa njira iliyonse |
| mphamvu yotulutsa / mutu | | |
| mphamvu yamagetsi yoperekera ma transmitters / header | | |
| ● ntchito ya chinthu / magetsi operekera zinthu zotumizira | Inde | Inde |
| Kutaya mphamvu | | |
| Kutaya mphamvu, mtundu. | 1.5 W | 2.5 W |
| Zolowera za digito | | |
| Chiwerengero cha zolowetsa za digito | 8 | 16 |
| ● m'magulu a | 2 | 4 |
| Mzere wolowera wa khalidwe motsatira IEC 61131, mtundu 1 | Inde | Inde |
| Chiwerengero cha zolowetsa zomwe zimayendetsedwa nthawi imodzi | | |
| malo onse oikira | | |
| — mpaka 40 °C, osapitirira apo. | 8 | 16 |
| kukhazikitsa kopingasa | | |
| — mpaka 40 °C, osapitirira apo. | 8 | 16 |
| — mpaka 50 °C, osapitirira apo. | 8 | 16 |
| kukhazikitsa koyima | | |
| — mpaka 40 °C, osapitirira apo. | 8 | 16 |
| Mphamvu yolowera | | |
| ● Mtengo wovomerezeka (DC) | 24 V | 24 V |
| ● chizindikiro "0" | 5 V DC pa 1 mA | 5 V DC pa 1 mA |
| ● chizindikiro "1" | 15 V DC pa 2.5 mA | 15 V DC pa 2.5 mA |
| Lowetsani panopa | | |
| ● ya chizindikiro "0", chapamwamba. (mphamvu yokhazikika yovomerezeka) | 1 mA | 1 mA |
| ● ya chizindikiro "1", mphindi. | 2.5 mA | 2.5 mA |
| ● ya chizindikiro "1", mtundu. | 4 mA | 4 mA |
| Kuchedwa kolowera (kwa mtengo wovotera wa voteji yolowera) | | |
| za zolowetsa wamba | | |
| - zosinthika | Inde; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms ndi 12.8 ms, zomwe zingasankhidwe m'magulu a anthu anayi | Inde; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms ndi 12.8 ms, zomwe zingasankhidwe m'magulu a anthu anayi |
| zolowetsa zosokoneza | | |
| - zosinthika | Inde | Inde |
| Kutalika kwa chingwe | | |
| ● yotetezedwa, yokwanira. | 500 m | 500 m |
| ● osatetezedwa, osapitirira. | 300 m | 300 m |
| Kusokoneza/kuzindikira/chidziwitso cha mkhalidwe | | |
| Ma alamu | | |
| ● Alamu yodziwitsa matenda | Inde | Inde |
| Chizindikiro cha matenda a LED | | |
| ● kudziwa momwe zinthu zilili | Inde | Inde |
| Kulekana komwe kungatheke | | |
| Zolowera za digito zomwe zingatheke kulekanitsa | | |
| ● pakati pa njira, m'magulu a | 2 | 4 |
| Mlingo ndi mtundu wa chitetezo | | |
| Mlingo wa chitetezo cha IP | IP20 | IP20 |