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。
FANUC A20B-0008-0242 /0205A USED A20B00080242
FANUC A06B-6058-H004 USED A06B6058H004
SIEB & MEYER 26.36.15 SINUDYN POWER SUPPLY MODULE USED
HONEYWELL RM7888A1019 REMAN RM7888 A 1019
MODICON 140ESI06210 REMAN 140ESI06210
SPECTRA 3500-101 BOARD 3500100
MODICON PC-0984-685 CONTROLLER USED PC0984685
SECO D-106745 LH 3″ ZPAX TOOL NEW D106745
HONEYWELL CAPPS R4140L1014 REMAN. PROGRAMMER