2UBA000011R0001 ABB

ABB 3BHL000479P0006
ABB 3BHL000499P0004
ABB 2UBA000013R0001
ABB 3BHL000606P0001
ABB 3BHB015946R0010
ABB 3BHB024772R0001

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Description

PLC的输出端经常连接的是感性输出设备(感性负载),为了抑制感性电路断开时产生的电压使PLC内部输出元件造成损坏。因此当PLC与感性输出设备连接时,如果是直流感性负载,应在其两端并联续流二极管;如果是交流感性负载,应在其两端并联阻容吸收电路

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