6ES74217BH010AB0
产品分类: S7-400PLCSIMATIC S7-400,数字量输入M 421,电隔离,16 DI,24V DC,带0.05 MS输入延时,报警,诊
SIMATIC S7-400, DIGITAL INPUT SM 421, GALVANICALLY ISOLATED,16 DI, 24V DC WITH 0.05 MS INPUT DELAY,ALARM, DIAGNOSTICS
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