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SNAP-AOV-27模块
- 更新时间:2025-01-12
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SNAP-AOV-27模块
SNAP-AOV-27模块
SNAP-AOV-27模块
接地螺丝因机柜本体与底座间有胶皮形成绝缘,屏蔽地汇流排与底座间绝缘,
现场控制站按规定做好接地处理。即分别接至现场控制站接地汇流排上。
I/O柜的电源地与UPS的电源地接至同一个地,保证等电位。
2.各个硬件设备操作员站、工程师站、网络交换机、服务器主机、系统显示器等采用外壳接地或直接将电源地线连接至电气接地网。
3.I/O组件模拟量模件的40端即直流24伏的负端接至逻辑地汇流排上,逻辑地汇流排接至屏蔽地,再接入总接地汇流排。
4.屏蔽地现场控制站的保护地应从机柜下方的接地螺钉接至接地分干线,现场控制站的屏蔽地应从接地汇流排接至公共连接板。
5.接地电阻测试接地系统的电阻进行测试,以保证接地能满足控制系统制造商的要求。
1用电仪表的外壳、仪表盘、柜、箱、盒和电缆槽 、保护管、支架、底座等正常不带电的金属部分,由于绝缘破坏而有可能带危险电压者,均应做保护接地。
对于供电电压不高于36V的就地仪表、开关等,当设计文件无特殊要求时,可不做保护接地。
CPCHAS-0001
ICF-1150-S-ST
PDB-IOX05
CC-GAIX01
CC-GDIL11
24571
PDB-0824
CC-GAOX11
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E4S4000 T LSI 3P WHR
E4S4000 T LSI 4P WHR
分断能力85KA三级保护
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3BHB045647R0001 2
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YASKAWA ELECTRIC JANCD-SV02B JANCDSV02B
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WHEDCO MTR-3S86-G-R-0-E-S MTR3S86GR0ES
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TYCOR PTY-H-277/480-PD-4XTS PTYH277480PD4XTS
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TELEMECANIQUE ATV-452D15 ATV452D15
TB WOODS DVC51000AXN0BG DVC51000AXN0BG
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SICK OPTIC ELECTRONIC LMS-200-S60 LMS200S60
SCHWEITZER ENGINEERING SEL-121F-X-4256MHNB SEL121FX4256MHNB
RELIANCE ELECTRIC FLEXPAX3000 FLEXPAX3000
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RELIANCE ELECTRIC 57C-435A 57C435A
RELIANCE ELECTRIC 57C-435 57C435
RELIANCE ELECTRIC 45C-203 45C203
RELIANCE ELECTRIC 10P8171 10P8171
RELIANCE ELECTRIC 0-57435-G 057435G
RELIANCE ELECTRIC 0-52837 052837
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PANASONIC YB-020UDD YB020UDD
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