5A26458G05 WESTINGHOUSE 继电器系统

A-B 1756-L63
ABB 3BHB000652R0101
GE VMIVME-3122-020
A-B 2711-K5A8L1
A-B 2711-K5A8L1
ABB HIEE300888R0002
A-B 2711P-B12C4D8
SCHNEIDER 140CPU65150
Siemens 1LE15012AA433AB4
KOLLMORGEN SERVOSTAR TM620 S62000
Honeywell 51196655-100 REV(A)
Honeywell 51196655-100 REV(A)
TDI SPS5710
A-B MPL-B540K-SJ24AA
Schneider TSXPBY100
ABB CI858K01

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Description

有些开关输入信号接通时,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,

General Electric 150 Amp SFHA36T0250 W/ Shunt Aux

GE SFHA 24 frame with 250AMP trip unit & shunt

General Electric 200 Amp SFHA36AT0250 Spectra RMS

GE SFHA36AT0250 250 amp 480vac 3 pole Breaker

Ge 125 Amp 600 Vac 3 Pole Cat No. SFHA36AT0250