3HAC044075-001/01 ABB 抖动

GE IC200CHS022
SCHNEIDER ABE7H16R50
A-B 1734-OB8
A-B 1734-OB8
A-B 1756-TBCH
SIEMENS 3RH1122-1BB40
SIEMENS 6ES7-972-0BB42-0XA0
A-B 1756-TBCH
A-B 1756-TBCH
SIEMENS 6ES7288-5CM01-0AA0
SIEMENS 6ES7392-1AM00-0AA0
SIEMENS 6ES7291-8BA20-0XA0
SIEMENS 3NE3230-0B
A-B 25-RF014-AL
A-B 25-RF014-AL
Siemens 6ES7131-4BF00-0AA0

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Description

移位寄存器对移位脉冲输入端开关的抖动非常敏感。若开关抖动一次,相当于多输入了一个移位脉冲,移位数据“1”随之多移了一位。由于接点式开关被触发时难免产生抖动。为消除这种影响,在移位脉冲输入端的步1输入回路,必须串联移位寄存器0位(本例为M20)的常闭触点

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