Repackaging delicate items simply and safely

A + F Automation und Fördertechnik faced the challenge of finding a safety solution for its complex Sortpacker packaging system, a solution that would both protect the operator and guarantee efficiency. Key issue: the solution was to have a hybrid structure, so that plant manufacturers and operators can change the process parameters of the higher-level controller at any time, without affecting the safety controller. The focus was also on the productivity of the different process steps. With the modular hybrid safety solution, consisting of the safety controller PNOZmulti 2, the decentralised field distributor PDP67 and the safety locking device PSENslock 2 from long-standing partner Pilz, A + F has found a complete solution that's economical and functionally coherent.

Protective devices secure feed and removal apertures, cardboard and cutting magazines, as well as gates and covers on the 25-metre-long Sortpacker. The PNOZmulti 2, in conjunction with intelligent sensor technology PSEN, ensures the protection of the individual process steps as well as operating personnel: the safety locking device PSENslock 2 secures twelve gates on the A+F machine with a locking force of 1000 N each. The operator requests access when required. Because the Sortpacker's grippers automatically move to the home position, the system does not have to be laboriously moved back to the start position. That makes the process more efficient. What's more: the safety locking device is connected to the decentralised input modules PDP67 via plug & play. The safety controller PNOZmulti 2 evaluates which gate is "open/locked", for example. This allows faults to be rectified quickly via plain text diagnostic messages on the PNOZmulti 2 display – for more productive processes!

• Modular, easy-to-use safety for simple operation and retooling
• Hybrid safety concept strengthens Security: it makes manipulation and unauthorised data access more difficult.
• Shorter commissioning times: safety locking device PSENslock 2 is connected directly to the safe input modules, the field distributor PDP67, via plug & play.

Founded in 1974 and based in Kirchlengern, A+F develops and produces high-quality packaging machines. Since 2017, A+F has been part of the international group of companies EOL Packaging Experts GmbH, which offers end-of-line packaging machines and systems. In addition to the actual mechanical engineering, the group specialises in the assembly and commissioning of automated end-of-line solutions in the packaging industry. As well as standard machines, the portfolio also includes customised systems including innovative handling solutions.