描述
屏蔽地(AG,Analog Grounding)
也叫模拟地,它可以把现场信号传输时所受到的干扰屏蔽掉,以提高信号精度。DCS系统中信号电缆的屏蔽层应做屏蔽接地。线缆屏蔽层必须一端接地,防止形成闭合回路干扰。铠装电缆的金属铠不应作为屏蔽保护接地,必须是铜丝网或镀铝屏蔽层接地。接入公共接地极。
Agilestar – DWDM-XENPAK-44.53 – For Cisco – New in Box
Agilestar – DWDM-XENPAK-46.12 – For Cisco – New in Box
Agilestar – DWDM-XENPAK-46.92 – For Cisco – New in Box
Agilestar – DWDM-XENPAK-47.72 – For Cisco – New in Box
Agilestar – DWDM-XENPAK-48.51 – For Cisco – New in Box
Agilestar – DWDM-XENPAK-50.12 – For Cisco – New in Box
Agilestar – DWDM-XENPAK-50.92 – For Cisco – New in Box