本帖最后由 H-RH 于 2013-6-30 01:28 编辑 7 T6 `3 i% k1 s) v% M
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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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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. , g1 K. H$ o/ W
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. . O Q3 R8 i0 E6 x8 m% }% M
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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$ C/ T& b. h1 w& G& h9 K8 p即电源已经启动(energized), 但操作在 stop position, 要求闪烁之红灯(red flashing light)! * w/ B% ^. V( t- f! B4 y* Q! k
在 Certification Requirement Decision (2012-01-13) 又作了少许更改, 不一定要 red light: " |( I1 N; F3 _& M: a0 N4 P
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7 V2 k* j6 Y' c _.... 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. 3 J6 P% e9 |$ Y8 L$ I
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发表于 2013-6-28 18:42
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发表于 2013-6-29 03:01
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