描述
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。
CABLE TENSION * R841001-42-2A (MFR Pacific Scientific)
PACIFIC SCIENTIFIC E34HCHT-LNK-NS-00 USPP E34HCHTLNKNS0
PACIFIC SCIENTIFIC E34HCHT-LNK-NS-00 NSPP E34HCHTLNKNS0
PACIFIC SCIENTIFIC K32HSFL-LNK-NS-02 USPP K32HSFLLNKNS0
PACIFIC SCIENTIFIC R65GMNA-TS-LG-NV-00 NSFP R65GMNATSLG
PACIFIC SCIENTIFIC PMB11B-00114-00 NSFP PMB11B0011400
PACIFIC SCIENTIFIC S33HNNA-RNNF-00 USPP S33HNNARNNF00
PACIFIC SCIENTIFIC R46SSNA-SS-NS-NV-02 USPP R46SSNASSNS
Pacific Scientific GK30-212-11P Pressure Gauge