Description
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。
New Allen-Bradley Precharge SCR Board 1336-135893 New
Foxboro 870ITPH-FYFNZ-7 TRANSMITTER I/A PH ORP
ROSEMOUNT 1151 SMART PRESSURE TRANSMITTER 1151DR2F22
RELIANCE ELECTRIC 0-51849-1 0518491 051849 1 518491 1
Allen Bradley 10hp 10 hp Drive 1336F-CWF100-AN-EN
AB Allen Bradley 2755-DD4A Bar Code Scanner NEW
NEW Abb 3ADT220090R0007 SDCSIOE2 SDCS-IOE-2 64282964
WESTINGHOUSE TAP323 100A FUSIBLE BUSWAY SWITCH TAP-323
CONTROL TECHNOLOGY 901B-2597 901B 2597