A permanent overview of the brake operating conditions

With the new, intelligent brake control module, ROBA®-brake-checker, mayr® power transmission is setting new standards in the monitoring of electromagnetic safety brakes. The module is not only able to energise brakes, but can also monitor them without the use of sensors.

As the amount of networking between people, processes and machines increases, the requirements on the individual components of a drive line also rise. mayr® power transmission has therefore already incorporated into its range intelligent products which can communicate with the superordinate controls. The latest developments include an intelligent brake control module, the ROBA®-brake-checker, which is not only able to energise safety brakes, but also to monitor them without the use of sensors. It detects the switching condition of the actuator and the wear on the brake linings. Through the comparison of tightening current and holding current, the module is able to detect a possible wear reserve or line breakage, or, if applicable, unpermitted heat-up. In this way it can reveal safety-critical conditions and errors prior to their occurrence, and thus guarantee maximum operational safety for machines and systems. The microswitch and proximity sensors usually used for condition monitoring, along with their associated wiring, are no longer required.

Higher performance

The new module ROBA®-brake-checker is designed for an input voltage of 24V or 48V DC voltage and can control brakes with a coil nominal current of 10A or 5A. In comparison to the previous fast acting rectifiers, the new module is characterised by its higher performance and also by a larger input voltage range of 18-30 VDC or 42-54 VDC and a controlled output voltage at reduction. In addition, a higher cycle frequency is possible. The new monitoring module ROBA®-brake-checker can be used for a wide range of brakes and can be easily and quickly integrated into existing systems.