The SSCC (Kinematic Chain Monitoring System) makes it possible to ensure the safety of Kinematic Chain in case of breakage or malfunction. The main diagnosed failures are:
The considered Kinematic Chain consists of a motor, one or more service brakes, a gearbox or multiplier, a drum with one or more safety brakes. The motor axis and drum axis are equipped with incremental encoders to analyze the speed and direction of rotation of the shafts.
In case of presence of at least one of the functional faults, one of the optional faults or one of the preceding material faults, the 2 control outputs of the safety brakes open. A default acknowledgment is then necessary, followed by a self-test, in order to rearm the SSCC. Parameterizable alarms are triggered in the following situations:
Additional functionalities have been integrated to facilitate the implementation and diagnosis of SSCC:
AES commercializes 3 types of SSCC (in the form of a product to be mounted on a rail or in the form of a box integrating an operator dialogue):
The AES SSCC consists of a Schneider Electric brand, SIL3 level safety PLC, compliant with IEC61508 standard.
The SSCC (Kinematic Chain Monitoring System) is a system for securing the drive train in case of breakage or malfunction of the drive train. It consists of a SIL3 safety PLC according to IEC61508 mounted on a rail or in the form of a box incorporating an operator dialogue. This system makes it possible to detect the following faults: static and dynamic unwinding, overspeed, desynchronization, emergency stop, zero speed, defect of direction. It could also incorporate features of self-test, learning, reset and synchronization.
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