Description
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 Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Electronic Operator Interface Terminal
Allen Bradley Industrial Computer Panel View
USED VMIC VMIVME-7698-146 Celeron Socket Computer Board
USED Xycom XVME-678 VMEbus PC/AT Processor Module
USED Xycom XVME-675 VMEbus CPU Control Board Processor
USED Xycom XVME-674 VMEbus CPU Control Board Processor
.USED Xycom XVME-674 VMEbus CPU Control Board Processor
