6ES74221FH000AA0

SIMATIC S7-400提單產,SM 422數(shù)字量輸出模塊實際需求,光隔離,16 DO明確相關要求,120/230V AC面向,2
SIMATIC S7-400, SM 422 DIGITAL OUTPUT MODULE,OPTIC. ISOLATED, 16 DO,120/230V AC, 2A
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