描述
PLC控制系统的输入电路设计。PLC供电电源一般为AC85—240V，适应电源范围较宽，但为了抗干扰，应加装电源净化元件（如电源滤波器、1:1隔离变压器等）;隔离变压器也可以采用双隔离技术，即变压器的初、次级线圈屏蔽层与初级电气中性点接大地，次级线圈屏蔽层接PLC输入电路的地，以减小低频脉冲干扰。
Allen Bradley Industrial Computer Panel View
USED VMIC VMIVME-7698-146 Celeron Socket Computer Board
USED Xycom XVME-678 VMEbus PC/AT Processor Module
USED Xycom XVME-675 VMEbus CPU Control Board Processor
USED Xycom XVME-674 VMEbus CPU Control Board Processor
.USED Xycom XVME-674 VMEbus CPU Control Board Processor
USED Xycom XVME-688 VMEbus PC/AT Processor Module
Emhart Teknologies Z010012 Stud Welder Teach Pendant
USED Sigma 6 E-Pro Fastening System Controller EPro
