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标题: UL1647标准更新 [打印本页]
作者: TZX1976    时间: 2011-9-9 09:12
标题: UL1647标准更新
UL1647第五版和第四版只相隔了1年半的时间, 又要花钱升级了.
作者: Liu    时间: 2011-9-9 09:37
对了一下标准也没啥好升级的：
. |+ `% p' I. }3 d  nThis new fifth edition incorporates new and revised requirements as follows and reflects the April 21, 2011 ANSI approval date for UL 1647:
5 E) |+ b9 q/ f3 o/ }/ K1. Addition And Revision Of Requirements To Relocate Component Standard References & h4 [. e/ f% K% f
From Appendix A Into The Body Of The Standard As Component Requirements ) Y2 c8 e# T: u& o2 @
2. Addition Of New Requirements To Address AFCI Nuisance Tripping Due To Excessive ( c) w# {9 R: I) H/ \& k# a: E! Q
EMI 7 U" p: X/ n( [* H

2 {5 g. E) d8 y' K1 T
, [" E9 j3 N8 g2 K) z4 L. b4 B1 f6 {/ H; u. C7 Q& {
Future Effective Date 8 Q, u- H3 r6 C5 t0 @) N
References
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August 5, 2011
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Paragraphs 1.3, 1.5, 1.6, 4.25, Section 10, Paragraphs
13.1.1.10, 38.5, 39.7, Sections 40 and 41, Paragraph
49.2.5, Sections 54 – 57, Clauses 63.3, 64.1.1 – 64.1.4,
64.2.1, 64.2.2, 66.6.3, Sections 71, 72 77, Paragraphs 81.5,
81.6, 81.7, 83.6, and 84.4
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April 21, 2014
( m/ z5 n# Q  c4 m1 }9 x2 I		Section 77
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作者: TZX1976    时间: 2011-9-9 10:41
77.1 A treadmill shall comply with applicable requirements in CISPR 14-1,
) f* R6 Z: l# x& i- C' p2 [2 s9 CElectromagnetic compatibility – Requirements for household" w- _; H/ T1 O
appliances, electric tools and similar apparatus – Part 1: Emission.
- G/ b- o+ s! jThe applicable requirements are considered to be the requirements for
4 N8 A# |& j. R8 N3 f: n" Fhousehold appliances with disturbance5 |  U! F  i* u& S/ g$ u
limits of mains terminal voltages for the frequency range 148.5 kHz to4 l0 ~7 T8 b  p% Z5 s$ @+ u
30 MHz.
/ J( n5 `$ d+ |# p4 h' K& o77.2 During the testing specified in 77.1, the treadmill shall be operated at5 H; N% _5 C- o( T( S: O
no load and maximum normal load, and at low and high speed. If the6 D% Y5 S- P6 D* N& K
treadmill is provided with a motor-operated incline system, the
/ Q- d3 g1 q! f4 streadmill belt is also to be raised and lowered during the testing.
2 E6 N; h: ?- B& w77.3 Maximum normal load is considered to be the treadmill operating at$ ?. h+ V  O6 Y$ {. t1 }2 m8 J" ]( O
maximum speed with the maximum rated weight applied to the. ^. s% X0 f# `2 O2 C" h( f) K
treadmill belt. A suitable load application device (such as an electric5 a! X- x4 t3 u! {
motor dynamometer) that provides a load to the motor and drive
0 _: v# [; v8 K! z  f1 Osystem equivalent to the load of the treadmill operating with the
: A  L1 S# _3 K$ q  amaximum weight user at maximum speed may be used for the test.8 S4 c% u- f* d7 F* L/ n

/ U- I. V( \  ?  O9 y# y& W好象是专门针对跑步机的, 增加了EMC测试, 以及对皮带的加载测试.



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