6ES73211BH020AA0

SIMATIC S7-300使命責任,數(shù)字量輸入M 321統籌發展,光電隔離,16DI管理,24 V DC資源配置,20
SIMATIC S7-300, DIGITAL INPUTSM 321, OPTICALLY ISOLATED,16DI, 24 V DC, 1 X 20 PIN
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