AS-Interface Safety at Work - SCHMERSAL - #19

Text version of the page

19 Note Diagnostic Reading the parameter port Parameter bits P0 to P3 contain additional status information for diagnostic and control purposes. The diagnostic function of the AZ 200 safety switch The operating condition of the solenoid interlock as well as possible failures and faults are signalled by means of three-colour LED’s, installed to the front of the device. System condition LED AS-i SaW condition green/red3) red yellow (D0…D3) Safety guard open green off off static 0 Safety guard closed, green off off static 0 actuator not inserted Safety guard closed, green off on dynamic actuator inserted Failure warning1), green flashes2) on dynamic actuator inserted, /on switch-off approaching Failure green flashes2) off static 0 Internal error green on off static 0 AS-i Failure: Slave address = 0 or red Condition- static 0 communication error dependent 1) after 30 min -> failure / internal error 2) refer to flash codes 3) AS-i combination LED (green/red) R C S OR AS-Interface Safety at Work Flash codes Meaning Autonomous Cause (red) switch-off after 4 flash pulses Failure (warning) 30 min Temperature measurement ambient tempera- indicates too high an inner turetoo high temperature 5 flash pulses Error target 0 min The coding (frequency) of the detected actuator does not match the required value, incorrect or defective actuator 6 flash pulses Error target 0 min An invalid combination of combination targets was detected at the 4 coils of the AZ 200 safety switch. (Current setting: latching bolt detected & door target not detected => latch breakage or tampering attempt) Continuous Internal failure 0 min – red