本帖最后由 H-RH 于 2013-6-30 01:28 编辑 4 c" l' w2 f# Y" D/ O- @$ \
2 U3 N" C6 O, T2 o, G' ~* `1 ]' n你说的应该属于 UL 982 Section 22.4 及 66.25.1 "with a stop position while energized" - P1 J$ H# `' q, Y# Y2 G- x
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22.4 If a malfunction or breakdown of an electronic component, located in any circuit of the product, results in increased risk of injury to persons, such as a loss of OFF control or unexpected operation, that circuitry shall comply with the requirements in the Standard for Tests for Safety-Related Controls Employing Solid-State Devices, UL 991. A single malfunction is to be considered at a time.
' N, E- s9 p: m. P* N9 kException: An appliance employing exposed moving parts and electronic controls with a "STOP" position, where a single malfunction of a component can cause unexpected operation, shall be provided with a motor control OFF switch in accordance with 17.4 and be constructed with a red light which flashes only when the appliance is energized and when the motor is in a stop condition but not OFF. See also 66.25 and 70.32.
" D8 D3 s# z' E7 N66.25.1 Products employing exposed moving parts and electronic controls with a stop position while energized, and required to be provided with a flashing light in accordance with the Exception to 22.4: .... ) b, l6 N2 n1 B2 h: b8 ~- d5 M5 u
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6 E+ h8 T5 r4 R2 a1 y& I1 ]即电源已经启动(energized), 但操作在 stop position, 要求闪烁之红灯(red flashing light)!
+ b" d2 R8 Z: C" g在 Certification Requirement Decision (2012-01-13) 又作了少许更改, 不一定要 red light: 0 G6 x5 t4 ?- i* d4 \+ h6 P
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.... shall be provided with a motor control OFF switch in accordance with 17.4 and be constructed with a light which flashes only when the appliance is energized and when the motor is in a stop condition but not OFF.
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