描述
信号源接地时,屏蔽层应在信号侧接地;不接地时,应在DCS侧接地;信号线中间有接头时,屏蔽层应牢固连接并进行绝缘处理,一定要避免多点接地;多个测点信号的屏蔽双绞线与多芯对绞总屏电缆连接时,各屏蔽层应相互连接好,并经绝缘处理,选择适当的接地处单点接地。要严格按DCS厂家的接地要求接地。
DeVilbill QMS 515 Pressure Feed Tank
Justrite Safety Storage Cabinet #25602 60 gal.
Agilent/Hewlett Packard 59307A VHF Switch
IFR 1200 Super S Communications Monitor
Intertest Corp. 1014-CDL Bubble Detection System
Ultra-Violet Products S-50 Handheld ultraviolet light