描述
接地的作用总的步说只有两种:保护人和设备不受损害;抑制干扰;抑制干扰接地在有的书中又叫工作接地,而前者又叫保护接地。
JAi Progressive Scan CV-M10RS + Lens/Filters Nikon
AUTOMATION DIRECT D3-16ND2-2 NEW BOXD P/N 087449 INPUT
NUMA LOGIC NL-708H 24VAC/DC INPUT MODULE WESTINGHOUSE
MUSASHI ML-5000X PRECISION DISPENSING MACHINE digital
COSTAR SI-M100P & TAMRON 1:39 75mm Ф 25.5 1.3k pixels
Modicon Telemecanique Magelis XBTF034110
Modicon Telemecanique Magelis XBTFC044310TA + PCMCI MEM