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)。
FOXBORO 870ITPHAYCNZ TRANSMITTER NEW
MITSUBISHI A2USHCPU-S1 CPU MODULE A2USHCPUS1 NEW
FANUC A06B-6079-H101 AMPLIFIER MODULE
NEW DANFOSS VLY 101175B5056 DRIVE 175B6038
NEW CUTLER HAMMER NB3500PT 500A 3P TRIP UNIT
NEW TRANE MOD01388 CLD2 RTU MODULE
NEW TOTAL CONTROL CQPK3D200L2P QUICKPANEL JR
ABB 3HAB2215-1 BOARD DSQC-314A 3HAB22151
NEW MARPOSS 3519928202 PROBE HEAD S/N 05NN0999
NEW TOTAL CONTROL CQPKSTDN0000 QUICKPANEL
NEW MIYACHI MT-460 TRANSFORMER 9-035-02
NEW SIEB & MEYER CSS90 BOARD 43.01.06A SPINDLE OUTPUT