51202329-606 HONEYWELL

3BSC950089R2-800xA ABB
3BSC950098R1 ABB
3BSC950107R2 ABB
3BSC950118R2-800xA TK812V050 ABB
3BSC950193R1-800xA TB850 ABB
3BSC950263R1-800xA TB852 ABB
3BSE003583R1 ABB
3BSE003876R1 RC510 ABB
3BSE004255R1 SX542POWER DISTR.UNITSE ABB
3BSE004414R1 SA168K07 ABB

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描述

为了处理急需响应的输入信号,PLC有种种措施。不同的PLC措施也不完全相同,提高响应速度的效果也不同。一般的作法是采用输入中断,然后再输出即时刷新,即中断程序运行后,有关的输出点立即刷新,而不等到整个程序运行结束后再刷新。

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