Uninterrupted labelling processes can save the user a lot of time, day after day. At Interpack (Hall 8B, Stand C27), HERMA will be demonstrating for the first time how these processes can be set up in a packaging or labelling system – even retrospectively – simply, reliably and without any significant programming effort. That is why a new redundancy function was developed for the HERMA 500 applicator. It can be optionally activated for all new or previously installed units, provided that the firmware is up to date and that the units have a CAN bus connection and work with mechanical winders and unwinders. The redundancy function ensures that two HERMA 500s connected in series can communicate directly with each other. Shortly before the end of a label roll or in the event of an unplanned stoppage, the active applicator issues a command to a redundant partner applicator assigned to it in advance to take over the labelling process. Based on previously entered parameters but also real-time data, each applicator "knows" exactly when to start. "In this way, there are no double-labelled or unlabeled products. It ensures reliable processes; manual reworking is usually not needed," says HERMA Product Manager Mario Peisker. In principle, the use of redundant applicators had already been possible in the past. Until now, however, their reliable interaction had to be solved via the machine's PLC control system. "This required extensive programming, which in turn was associated with higher costs," Peisker points out. To use the HERMA 500’s new redundancy function, customers only need to purchase a code in the HERMA service portal and use it to activate the function on the applicator’s display. Redundant operation is suitable for top, bottom and side labelling. “We recommend mounting the applicators involved on an extendable carriage, so the operator can conveniently change a roll, for example, on the non-active device without accidentally disrupting the running conveyor belt."
Thanks to its compact design, modular construction and state-of-the-art Profinet and Ethernet/IP interfaces, the HERMA 500 is suitable for just about any installation situation and application. At Interpack, HERMA will be demonstrating the new redundancy function using a machine study with Clean Design, in which two HERMA 500s have been installed. The Clean Design ensures an even higher degree of modularity and particularly rapid availability of the respective standard version of a labelling machine.
