Description
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。
ALLEN BRADLEY 1336F-CWF30-AN-3N NSPP 1336FCWF30AN3N
ALLEN BRADLEY 1336F-BRF75-AA-EN-HCS2-L5 USPP 1336FBRF75
ALLEN BRADLEY 1336 PLUS II 1336F-BRF75-AA-EN-HCSP-L4
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ALLEN BRADLEY 1336F-CWF20-AA-EN-L4 NSPP 1336FCWF20AAENL
ALLEN BRADLEY 1336F-CWF50-AN-EN USPP 1336FCWF50ANEN
Allen Bradley 1336F-BRF100-AE-EN Series A
ALLEN BRADLEY 1336F-BRF75-AA-EN-L5 NSPP 1336FBRF75AAENL