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" _! M! y0 g& C2 g, o4 V3 k如何理解5.3.1? The electrical equipment shall comply with EN 60204-1, with the following requirements given in 5.3.2, 5.3.3,
: p' Q5 ?8 {' e5 g$ P0 t5.3.4 and 5.3.5.,是产品必须符合EN 60204-1,然后还必须符合5.3.2, 5.3.3,5.3.4 and 5.3.5. ,还是必须符合EN 60204-1的5.3.2, 5.3.3,5.3.4 and 5.3.5的要求的那一部分?今天感到很凌乱啊!8 {! F* X7 d$ d5 u9 m5 L
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8 G! @9 {. P3 p# ^6 a' B9 m下面是 EN454 5.3的全文
2 y1 {- R: o5 D# n& X: u, {5.3 Electrical hazards
+ Q% f M: \$ B5.3.1 General6 R% l0 ~9 H& _0 u+ [: q: r& x
Electrical equipment – for example switches – that may be exposed to water, e.g. during cleaning, shall be
* |9 V# p* Y8 f6 `' n, wprotected to an appropriate IP-rating according to EN 60529 and EN 60204-1.
7 X1 C0 O/ V$ n, |& ZThe electrical equipment shall comply with EN 60204-1, with the following requirements given in 5.3.2, 5.3.3,
; t. i7 C5 N+ U( t3 h+ K- ~5.3.4 and 5.3.5.
6 }$ [& A, Z Q5.3.2 Safety requirements related to electromagnetic phenomena- ^# s- p d# d* V5 V9 ]5 e
The machines shall have sufficient immunity to electromagnetic disturbances to enable them to operate safely6 Z# \% U+ W6 R8 v% O7 O
as intended and not fail to danger when exposed to the levels and types of disturbances for the intended use
' M/ r! g# a9 t8 a) W$ Lof the machine (see EN 61000-6-1).9 v0 S9 K& ]9 V( E" j' r8 c
The manufacturer of the machines shall design, install and wire the equipment and sub-assemblies taking into
/ Y8 h& v+ N8 m8 ~4 C# ~account the recommendations of the suppliers of these sub-assemblies.+ E3 T c, z& A, M) ?1 m
5.3.3 Protection against electric shock
5 s( }% u. Q& W) }9 tThe electrical equipment shall comply with EN 60204-1:2006, Clause 6.
/ c( \! l7 A: n! Q0 P5.3.4 Power circuits9 i. v. ]" {/ V/ h
Devices for detection and interruption of over-current shall be applied to each live conductor in compliance
. P6 h5 L+ z& u+ i$ _% lwith EN 60204-1:2006, 7.2.3. In case of single phase machines, no such device is required for the earthed
' I( {5 W- `5 Z8 J$ S, dneutral conductor." v9 G0 F6 T1 t) Z5 ~# |
5.3.5 Protection against earth faults in control circuits
# i% `6 l9 V3 U4 \' N8 B4 j7 g7 mFor machinery supplied from a single-phase conductor and an earthed neutral conductor the single pole
, g3 d# `, b2 O' Y! binterruption shall be in the phase conductor (see EN 60204-1:2006, 9.4.3.1).2 h+ @# a' \0 G- Z
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