本帖最后由 H-RH 于 2013-6-30 01:28 编辑
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你说的应该属于 UL 982 Section 22.4 及 66.25.1 "with a stop position while energized"
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6 R) m, m f% O+ A22.4 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.
8 M. V+ ?# H+ |- @9 V9 P+ b; P- H9 P4 FException: 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. 5 B8 p# ~+ Y1 }# {: \3 y
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: ....
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即电源已经启动(energized), 但操作在 stop position, 要求闪烁之红灯(red flashing light)!
" q% a6 w1 D* N4 L7 P在 Certification Requirement Decision (2012-01-13) 又作了少许更改, 不一定要 red light:
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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. . E4 M# K% a0 F
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