本帖最后由 H-RH 于 2013-6-30 01:28 编辑 : P) \0 x- d* ] U; d6 S u! K
0 J. { g, t7 j8 ?/ y8 k你说的应该属于 UL 982 Section 22.4 及 66.25.1 "with a stop position while energized" 8 t" R" Q8 W2 L% a
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# S* ]7 f# j4 b+ }/ e: ~( |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. 2 h3 M# R3 h k; c
Exception: 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. 2 g, Y4 n9 |: i7 a$ F# J4 w
66.25.1 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: .... * R8 |0 S& ]. s; R* S$ C
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! k& M2 ~ z; i# M5 j8 \; j' A% W- \即电源已经启动(energized), 但操作在 stop position, 要求闪烁之红灯(red flashing light)!
+ T" |9 Z5 l2 i* d( Q+ v' e: Z在 Certification Requirement Decision (2012-01-13) 又作了少许更改, 不一定要 red light: $ w, v5 U- Z$ R1 |' y
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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. 4 s6 q8 m& R/ s
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