6ES7221-1BF00-0XA0 EM 221, 8DI, 24V DC, OPT. ISOLATED
Product InformationSIMATIC S7-200, DIGITAL INPUT EM 221, OPTICALLY ISOLATED 8DI, 24 V DC FOR S7-21X CPU ONLY, ** PRODUCT DISCONTINUED **Technical SupportTechnical SupportCustomer ReviewsWrite ReviewCustomer Q&A ExchangeAsk A QuestionAdditional Images |