DARA1010/3ASC25H233 ABB

361A2289P154
361A2289P175
361A2289P334
361A2289P334
361A2289P338
361A2289P338
361A2289P340
361A2289P342

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描述

如果PLC输出带电磁线圈等感性负载,负载断电时会对PLC的输出造成浪涌电流的冲击,为此,对直流感性负载应在其旁边并接续流二极管,对交流感性负载应并接浪涌吸收电路,可有效保护PLC。当PLC扫描频率为10次/min以下时,既可以采用继电器输出方式,也可以采用PLC输出驱动中间继电器或者固态继电器(SSR),再驱动负载
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