type three-dimensional traffic lights training equipment is a model which simulates the real road traffic lights. It has indication and control functions, and has four-direction straight and turn (red / yellow / green) indicator display module, four-direction digital countdown display module, and four-direction sound instruction module. The control scheme is controlled by the 8 input points (8 control buttons) and 16 output points of traffic lights (red / yellow / green indicator lights of left, straight, right line on the east-west lane; red / yellow / green indicator lights of left, straight, right line on the north-south lane; red / green indicator lights of east-west straight sidewalk; red / green indicator lights of north-south straight sidewalk), four digital countdown output points (north-south timing and east-west timing), and three audio outputs (left line, straight-line and right line voice control). The control system adopts module combination type, and is composed by the PLC module, the button module and power modules and other components.

1. power supply: single-phase AC 220 V ± 7% 50 Hz;