3HAC17317-3 ABB

ABB 3HAC031958-002
ABB AZ20/112112234 112E/STD
ABB DMI400/3BSM004011-11
ABB 100446-020,34ft/strip,drive belt
ABB DSSB146,DC/DC CONVERTER
ABB 086366-003,PWA electronics board

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Description

由于外界的干扰而出现时通时断的“抖动”现象。这种现象在继电器系统中由于继电器的电磁惯性一般不会造成什么影响,但在PLC系统中,由于PLC扫描工作的速度快,扫描周期比实际继电器的动作时间短得多,所以抖动信号就可能被PLC检测到


AB Allen Bradley 1771-IF04 1771IF04 ser B ANALOG INPUT

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NEW GE IC3600 Card IC3600LRDJ1A IC3600LRJ1

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BENTLY NEVADA 3300/03-03-00 3300030300