描述
为了减少动力电缆辐射电磁干扰,尤其是变频装置馈电电缆。笔者在某工程中,采用了铜带铠装屏蔽电力电缆,从而降低了动力线生产的电磁干扰,该工程投产后取得了满意的效果。
不同类型的信号分别由不同电缆传输,信号电缆应按传输信号种类分层敖设,严禁用同一电缆的不同导线同时传送动力电源和信号,避免信号线与动力电缆靠近平行敖设,以减少电磁干扰。
National Instruments PCI-7314 Stepper Controller 4-Axis
National Instruments PCI-7314 Stepper Controller 4-Axis
NATIONAL INSTRUMENTS 100 Pin 2m Cbl SH100-100-F SAVE$79
NATIONAL INSTRUMENTS 100 Pin 2 meter Cable SH100-100
FREE USA SHIP SAVE $60 NI TBX-68 National Instruments
FREE USA SHIP SAVE $60 National Instruments TBX-68
National Instruments SCXI-1302 Terminal Block ++ NEW ++
National Instruments 182340-01 NB-GPIB-P/TNT Interface
One-day shipping available
National Instruments GPIO Interface ASSY 180320-01
One-day shipping available