6ES73211BH509AJ0

SIMATIC S7-300,數(shù)字量輸入M 321,光電隔離,16DI,24 V DC,源輸入,20
SM321 EXTEND MODULE (6ES73211BH500AA0) SIMATIC S7-300, DIGITAL INPUTSM 321, OPTICALLY ISOLATED16DI, 24 V DC, SOURCE INPUT,1 X 20 PIN AND SIMATIC S7-300, FRONT CONNECTOR(6ES73921AJ000AA0)FOR SIGNAL MODULESWITH SCREW CONTACTS,20-PIN
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