ABE7H16R50 SCHNEIDER 移位脉冲

A-B 25-RF014-AL
A-B 25-RF014-AL
Siemens 6ES7131-4BF00-0AA0
A-B 1784-SD1
EPCOS B43586-S9418-Q3
A-B 1756-TBCH
SIEMENS 6GK1900-0AB00
A-B 1746-OV16
GE IC200PWR101F
FOXBORO P0916DB
SIEMENS 6ES7195-1GA00-0XA0
SCHNEIDER VCF5=(V5+ KCF3PZ)
A-B 100-C23D10

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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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