本帖最后由 H-RH 于 2013-6-30 01:28 编辑
; {3 R; J1 |2 j1 p
/ D0 S: k( m0 N e; e你说的应该属于 UL 982 Section 22.4 及 66.25.1 "with a stop position while energized" / N( e! i. ?& K7 U# u
! G/ O& {5 R+ C b3 C
& D. f: v X; j5 |0 o8 F3 x. E22.4 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. 6 ^: x) ?1 L. l7 [
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.
" E- I# E& c7 r* z0 o66.25.1 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: ....
7 ^: s# }7 S1 D5 W$ J' Z6 a5 p4 ?- @) p
+ n1 o" ?; ?% D4 @! c: I' _即电源已经启动(energized), 但操作在 stop position, 要求闪烁之红灯(red flashing light)! " i2 b' w6 Q" s* I7 d+ {
在 Certification Requirement Decision (2012-01-13) 又作了少许更改, 不一定要 red light:
- m0 G. N$ u6 n s: Z+ _
' t5 q' _, V5 X8 V5 L9 A7 }& y5 L9 G" 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. 5 D) f* f: v& s0 z" ~
8 e( W2 d( x' t, u( a
|