描述
屏蔽层应在信号侧接地；不接地时，应在PLC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点。
HP/Agilent 6031A DC Power Supply, 0-20V, 0-120A
HP/Agilent 6625A Precision Dual DC Power Supply 1x (0-5
HP/Agilent 54503A-001 Digitizing Oscilloscope, 4 Channe
HP/Agilent 6012B DC Power Supply 0-60V, 50A (1KW Max)
HP/Agilent 4957A-01 Protocol Analyzer with 01
HP/Agilent 54750A Communication Analyzer / Oscilloscope
HP/Agilent 41952B 75 Ohm, Transmission/Reflection Test
HP/Agilent 83441A Sonet / SDH Lightwave Receiver, 1200
HP/Agilent 53131A-001-030 RF Frequency Counter, 10 digi
HP/Agilent E8404A High Power VXI Mainframe, C-Size, 13
