- Category:
- SCM
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[Text]
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- 1.57kb
- Update:
- 2008-10-13
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- 1 Times
- Uploaded by:
- teacher_NO1
Description: emergency vehicles and traffic lights) (1) North and South and east-west direction, each with three yellow-green from red lights control (2) to the north and south : red (30 seconds), yellow (5 seconds), Green (25 seconds) to things : red (35 seconds), yellow (5 seconds) Green (25 seconds) above basic parameters can be adjusted to the actual situation, the light changes with the actual law of the same intersection, the green light in the final five seconds, the yellow light is on, and then a red light, bright, not two fronts simultaneously bright green. (3) the green light at the time displayed on the digital display control. (4) can be controlled by a switch, when the switch signal to 0, the whole prospect of traffic lights to improve requirements : (1) Design an emergency control switch
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