1 - Schneider Electric SNB
1 - Schneider Electric SNB
1 - Schneider Electric SNB
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Obtaining (EMC) in an installation<br />
Cables<br />
,,,,,<br />
Coupling<br />
Differential<br />
mode<br />
Bad<br />
Crosstalk, capacitive,<br />
inductive coupling<br />
Bad<br />
Interference<br />
level<br />
Application areas<br />
Non-sensitive equipment only,<br />
low-frequency (LF) applications,<br />
50 Hz-60 Hz<br />
1<br />
2<br />
Good<br />
Bad<br />
Equipment<br />
causing<br />
slight<br />
interference<br />
Tertiary industry,<br />
slightly noisy industrial<br />
environments<br />
3<br />
Excellent<br />
Good<br />
Low man-made<br />
interference<br />
Tertiary industry,<br />
slightly noisy industrial<br />
environments, signals < 10 MHz<br />
4<br />
Average<br />
Low man-made<br />
interference<br />
(radio<br />
transmitters,<br />
fluorescent<br />
lighting)<br />
Slightly noisy industrial premises,<br />
local area networks<br />
Tertiary data processing hardware<br />
5<br />
Good<br />
Typical<br />
man-made<br />
interference<br />
Typical industrial sector<br />
Data processing, measuring, control<br />
Local area networks<br />
Motor control, etc.<br />
Good<br />
High<br />
man-made<br />
interference<br />
(heavy industry)<br />
Very sensitive products<br />
in a highly noisy environment<br />
35<br />
Te
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