6ES7421-1BL01-0AA0
digital input SM 421, isolated 32 DI; 24 V DC. Input current from backplane bus 5 V DC, max. 20 mA.
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All Repair Services ↗digital input SM 421, isolated 32 DI; 24 V DC. Input current from backplane bus 5 V DC, max. 20 mA.