描述
在不正确的接地点的电源之间,电路中有可能产生毁灭性的电流,以至于破坏设备。
PLC系统一般选用一点接地方式。为了提高抗共模干扰能力,对于模拟信号可以采用屏蔽浮地技术,即信号电缆的屏蔽层一点接地,信号回路浮空,与大地绝缘电阻应不小于50MΩ。
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL d7
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL d8
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL d9
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL e5
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL e6
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL e7
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL e8
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM DIGITAL