STA-TSC-E200S-AC1 is a traffic signal controller with 4 freely definable signal groups and 4 pedestrian request inputs, designed specifically for pedestrian crossing control application. It’s able for multi working modes including fixed time mode, pedestrian request mode, yellow flashing, all red and light off. The controller is programmed by upper computer software, with which to set controller time, define groups/phases, set plan/time periods, etc., and to download or read controller existing settings, running status, log, etc.