The Centurion CP80 (D3) Motor Controller Module is an electronic controller suitable for use with the D3 range of sliding gate operators. It has high immunity to external interference and protection from lightning. With this controller one can test the operation of the device even when the transmitter is not available by means of a local test button. It also has diagnostic LEDs which allow for easy programming and diagnostics. The safety beam input allows for connecting infrared safety beams which in turn enhance the security of the automated system. Furthermore, the pedestrian opening feature prohibits access by unauthorized vehicles.