Description
DCS系统接地是为了保证当进入DCS系统的信号、供电电源或DCS系统设备本身出现问题时,有效的接地系统能承受过载电流并可以迅速将过载电流导入大地。接地系统能够为DCS提供屏蔽层,消除电子噪声干扰,并为整个控制系统提供公共信号参考点(即参考零电位)。
Allen Bradley AB 1336F-BRF200 VS Drive MCC Bucket 60A
ALLEN BRADLEY 1336F-BRF150-AE-EN DRIVE 15HP 460V *XLNT*
ALLEN BRADLEY 1336F-BRF50-AN-EN-GMS5 AC DRIVE 5HP NEW
ALLEN BRADLEY 1336F-BRF50-AN-EN AC DRIVE 5HP 460V NEW
ALLEN BRADLEY 1336F-BRF30-AA-EN-4HA2-L6 USPP 1336FBRF30
ALLEN BRADLEY 1336F-BRF50-AN-EN-HAS2-LA2-LA3-L6 USPP 13
Allen Bradley 1336F-BRF50-AE-EN AC Drive 5HP 460V *NIB*
Allen Bradley 1336F-BRF50-AE-EN AC Drive 5HP 460V USED
ALLEN BRADLEY 1336F-BRF75-AA-EN-GMS6-L4 USPP 1336FBRF75