描述
保护地(CG,Cabinet Grounding)
是为了防止设备外壳的静电荷积累、避免造成人身伤害而采取的保护措施。DCS系统所有的操作员机柜、现场控制站机柜、打印机、端子柜等均应接保护地。保护地应接至厂区电气专业接地网,接地电阻小于4Ω。
Allen Bradley 1336F-BRF50-AE-EN AC Drive 5HP 460V USED
ALLEN BRADLEY 1336F-BRF75-AA-EN-GMS6-L4 USPP 1336FBRF75
Allen Bradley 1336F-BRF200-AA-EN-HCS2-L9E 20HP AC Drive
Allen Bradley 1336F-BRF200-AA-EN-HCS2 20HP AC Drive
ALLEN BRADLEY 1336F-BRF30-AA-EN-GMS5-L4 DRIVE 3HP *NNB*
ALLEN BRADLEY 1336F-BRF10-AA-EN4-HA1-L6 USPP 1336FBRF10
ALLEN BRADLEY 1336F-BRF07-AA-EN-HASP-LA2-L5 NSPP 1336FB
ALLEN BRADLEY 1336F-BRF20-AA-EN-HAS1 USPP 1336FBRF20AAE
ALLEN BRADLEY 1336F-BRF50-AA-EN USPP 1336FBRF50AAEN
ALLEN BRADLEY 1336F-BRF75-AAEN-HCS1-L6 USPP 1336FBRF75A