{"product_id":"siemens-simatic-s7-1200-g2-digital-signal-boards-sb-1221-1222-1223","title":"Siemens SIMATIC S7-1200 G2 Digital Signal Boards SB 1221\/1222\/1223","description":"\u003cp class=\"ps-intro\"\u003ePlug-in digital signal boards that add fast inputs\/outputs directly in the front slot of an S7-1200 G2 CPU without increasing its width.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003ePlugged directly into the CPU board slot\u003c\/li\u003e\n\u003cli\u003eSB 1221: 8 DI 24 V DC, 100 kHz\u003c\/li\u003e\n\u003cli\u003eSB 1222: 8 DQ 24 V DC 0.1 A transistor, 100 kHz\u003c\/li\u003e\n\u003cli\u003eSB 1223: 4 DI\/4 DQ, 5 V DC 200 kHz or 24 V DC 100 kHz\u003c\/li\u003e\n\u003cli\u003eSupplement the integral I\/O of the S7-1200 G2 CPUs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eSIMATIC S7-1200 G2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModule type\u003c\/th\u003e\n\u003ctd\u003eSignal board (SB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eCPU board slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog ST 70 · 2026, p. 422-437\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7221-3BF50-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eBoard: SB 1221 | I\/O: 8 DI | Voltage: 24 V DC sink\/source | Frequency: 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7222-5BF50-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eBoard: SB 1222 | I\/O: 8 DQ 0.1 A transistor | Voltage: 24 V DC | Frequency: 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7223-7AF50-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eBoard: SB 1223 | I\/O: 4 DI \/ 4 DQ 0.1 A | Voltage: 5 V DC | Frequency: 200 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7223-7BF50-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eBoard: SB 1223 | I\/O: 4 DI \/ 4 DQ 0.1 A | Voltage: 24 V DC | Frequency: 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67534371946786,"sku":"6ES7221-3BF50-0XB0","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-simatic-s7-1200-g2-digital-signal-boards-sb-1221-1222-1223.jpg?v=1792131800","url":"https:\/\/prosourcemro.com\/products\/siemens-simatic-s7-1200-g2-digital-signal-boards-sb-1221-1222-1223","provider":"ProSource MRO","version":"1.0","type":"link"}