描述
PLC外部驱动电路对于PLC输出不能直接带动负载的情况下,必须在外部采用驱动电路:可以用三极管驱,也可以用固态继电器或晶闸管电路驱动,同时应采用保护电路和浪涌吸收电路,且每路有显示二极管(LED)指示。印制板应做成插拔式,易于维修。
Emerson Positioning Servo Drive DXA-450 DXA450
NEW Allen Bradley PowerFlex 700 20BD027A0AYNAND0 B 20HP
NEW Allen Bradley 2711P-RP2A /G 2711PRP2A
NEW Allen Bradley Powerflex 700 20BD027A3AYNAND0 20HP
NEW Allen Bradley 2098-DSD-HV150-SE /B 2098DSDHV150SE
New Allen Bradley Panelview 2711-T10C10 B 2711T10C10
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Allen Bradley Panelview1400e 2711E-T14C6 /D 2711ET14C6
Allen Bradley Panelview 2711P-T7C4D1 /A 2711PT7C4D1
Allen Bradley Panelview 2711-T10C9L1 C 2711T10C9L1
Allen Bradley Panelview 1000 2711-T10C9 /C 2711T10C9