UL1647标准更新

TZX1976 · 发表于 2011-9-9 09:12

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.

Liu · 发表于 2011-9-9 09:37

对了一下标准也没啥好升级的：
This new fifth edition incorporates new and revised requirements as follows and reflects the April 21, 2011 ANSI approval date for UL 1647:
1. Addition And Revision Of Requirements To Relocate Component Standard References
From Appendix A Into The Body Of The Standard As Component Requirements
2. Addition Of New Requirements To Address AFCI Nuisance Tripping Due To Excessive
EMI

Future Effective Date 3 ]$ W5 L% K) u7 `	*References % f$ N- p1 N: C w, p**
August 5, 2011 ; \- S! t4 j$ \|% x7 G	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 7 R4 _; _7 \" B* v O) g
April 21, 2014 $ W8 ]+ i% [ I$ f7 Z2 p3 [	Section 77 6 k7 Z, A9 \|* v0 I% K

TZX1976 · 发表于 2011-9-9 10:41

77.1 A treadmill shall comply with applicable requirements in CISPR 14-1,
Electromagnetic compatibility – Requirements for household
appliances, electric tools and similar apparatus – Part 1: Emission.
The applicable requirements are considered to be the requirements for
household appliances with disturbance
limits of mains terminal voltages for the frequency range 148.5 kHz to
30 MHz.
77.2 During the testing specified in 77.1, the treadmill shall be operated at
no load and maximum normal load, and at low and high speed. If the
treadmill is provided with a motor-operated incline system, the
treadmill belt is also to be raised and lowered during the testing.
77.3 Maximum normal load is considered to be the treadmill operating at
maximum speed with the maximum rated weight applied to the
treadmill belt. A suitable load application device (such as an electric
motor dynamometer) that provides a load to the motor and drive
system equivalent to the load of the treadmill operating with the
maximum weight user at maximum speed may be used for the test.

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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