2-1
Section2 Conformance with CE marking
2-1 CE marking
<Product standard>
IEC 61131-2
EMI = CISPR11, Gr. 1, Class A
EMS = IEC 61000-4-2 to -6, -8 and -12
<Classification of product>
Enclosed type equipment, which is defined as follows:
"To prevent accidents due to a charged or operating part coming into contact with the human body, the
product should be installed in a metal enclosure when used."
<Safety level>
Overvoltage Category II
<EMC classification when installing PLC defined in IEC 61131-2>
Zone B, which is defined as follows:
"An environment where power from an external power supply, which supplies power to the factory (the build-
ing in which the device is installed), is used after doubly protecting against surge voltage with an insulating
transformer or the like.
3-phase power supply
Primary
protection
Secondary
protection
Factory
Zone C
Zone B
Lightning
PLC
MICREX-SX
An environment that is doubly protected against surge voltage, but in
which the superimposition of industrial environment noise may occur.
