Instruction Manual SG2 EXTENDED418. PERIODICAL CHECKSThe following is a list of recommended check and maintenance operations that should be periodicallycarried out by qualified personnel.Check that: The ESPE stays locked ( ) during beam interruption along the entire protected area, using thesuitable “Test Piece”. (*) The ESPE is correctly aligned. Gently press onto product side in both directions. The red LEDshould remain OFF . Enabling the TEST function, the OSSD outputs should open (the red LED is ON and thecontrolled machine stops). The response time upon machine STOP (including response time of the ESPE and of the machine)is within the limits defined for the calculation of the safety distance (see chapter 2 “Installationmode”). The safety distance between the dangerous areas and the ESPE are in accordance with theinstructions included in chapter 2 “Installation mode”. Access of a person between ESPE and machine dangerous parts is not possible nor is it possiblefor him/her to stay there. Access to the dangerous area of the machine from any unprotected area is not possible. The ESPE and the external electrical connections are not damaged.The frequency of checks depends on the particular application and on the operating conditions of thesafety light curtain.(*) according to the Fig.13 schemeVerify that: ESPE remains blocked ( ) intercepting the beams along the protected area using the specifictest piece, following the Fig.12 scheme.TP30 for light curtains with 30 mm resolution: SG2-30-XX-XTP50 for light curtains with 50 mm resolution: SG2-50-XX-XTP90 for light curtains with 90 mm resolution: SG2-90-XX-X