6ES74221BL000AA0

SIMATIC S7-400優化上下,SM 422數(shù)字量輸出模塊越來越重要,光隔離融合,32 DO技術發展, 24V DC,0.5
SIMATIC S7-400, SM 422 DIGITAL OUTPUT MODULE,OPTIC. ISOLATED, 32 DO,24V DC, 0.5A
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