CONTROL PROCEDURE FOR A SAFETY INSTALLATION AND SAFETY INSTALLATION FOR THE PERFORMANCE OF THE PROCEDURE.

摘要

IN THE FIELD OF TRANSPORTATION, CERTAIN SENSITIVE SECURITY AREAS SUCH AS LEVEL CROSSINGS ARE EQUIPPED WITH ACCESS CONTROL DEVICES (18) SUCH AS BARRIERS AND / OR SIGNAL FACILITIES. THE CONTROL OF THESE ACCESS DEVICES (18) IS AUTOMATED IN THE MOST EXTENSIVE WAY POSSIBLE. SUCH DEVICES FREQUENTLY DO NOT MEET SAFETY REQUIREMENTS, HOWEVER IN THE NUMBER OF EVENTS IN WHICH THEIR USE IS TRIGGERED, THE FREQUENCY OF ITS USE EXCEEDS A GIVEN LEVEL. THE OBJECTIVE OF THE INVENTION IS TO PROVIDE A CONTROL DEVICE AND AN ASSOCIATED SECURITY DEVICE THAT ARE PRACTICALLY INDEPENDENT OF THE NUMBER OF EVENTS, FOR EXAMPLE WITH REGARD TO THE PASSAGE OF TRAINS, TRIGGERING THEIR UTILIZATION AND THE FREQUENCY OF THIS EVENT. SAFETY STANDARD. FOR THIS PURPOSE THE ACCESS CONTROL DEVICES (18) IN THE SECURITY AREA (3) ARE OPERATED THROUGH A RECORDING DEVICE (19) AS A FUNCTION OF A NUMBER OF OBJECTS THAT ENTER A SURVEILLANCE AREA (17) THIS AREA (17) ACCORDING TO DEFAULT SAFETY CRITERIA.