2CSM142120R1201 ABB

ABB ACS800-104-0145-3
ABB ACS800-104-0011-3
ABB ACS800-104-0175-3
ABB A9-30-10-80
ABB ALCL-04-5
ABB PST175-600-70

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Description

需要一段时间,这种现象称为PLC输入/输出响应滞后。对一般的工业控制,这种滞后是完全允许的。应该注意的是,这种响应滞后不仅是由于PLC扫描工作方式造成,更主要是PLC输入接口的滤波环节带来的输入延迟,

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