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。
ADEPT TECH 10330-00400 MACHINE INTERFACE BOARD
SIEMENS 6ES5420-4UA14 INPUT MODULE NEW 6ES54204UA14
ALLEN BRADLEY 1398-DDM-010 DRIVE 1398DDM010
ALLEN BRADLEY 8000-AF RESOLVER/INDUCTION SYN SERVO
AEG MCBS808N 800 AMP CIRCUIT BREAKER MC808N
NEW WEBER WSC-2940 SCREWDRIVING SYSTEM
NEW INDRAMAT MHD071B-035-PG0-UN MOTOR MHD071B035PG0UN
DANFOSS VLT 3006 DRIVE 175H7265
SIEMENS 6SC6114-0AA00 DRIVE 6SC61140AA00
NEW SIEMENS 6SN1113-1AA00-0CA0 MODULE 6SN11131AA000CA0