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Siemens 6ES7421-1BL01-0AA0 isSIMATIC S7-400, digital input SM 421, isolated 32 DI.
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6ES7421-1BL01-0AA0 Data sheet
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24 V DC. Part of the SIMATIC process controller series, the S7-400 has been designed for system solutions in the fields of manufacturing and process automation.
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This process controller is ideal for data-intensive tasks that are especially typical for the process industry.
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S7-400 and the innovated S7-410 product line will stay the hardware backbone of the PCS 7 control system.
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Award-winning service
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More than 25 in stock
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Full 12-month warranty
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We deliver worldwide
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sales7@amikon.cn 
86-18965423501 
86-18965423501 
AMKPLC 
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