Description
其存在机械磨损、电弧烧伤等,寿命短,系统的连线多,所以可靠性和可维护性较差。而PLC大量的开关动作由无触点的半导体电路来完成,其寿命长、可靠性高,PLC还具有自诊断功能,能查出自身的故障,随时显示给操作人员
800 Amp Square D SL800 Sub Feed Lug USED
USED Mannesmann Rexroth VT-HNC100-1-13/134 HNC100
USED Allen Bradley 1785-L80B/E PLC-5 Processor Module
USED Control Gaging Inc. Model 820 Grinding Monitor
USED GE 2500 A Spectra Bus Duct FJGBAAAZACD2222 Busway