Upgrading the drive and
Control technology on SPS-S7
Nowadays, it’s a matter of course to order shoes, photo books or consumer electronics on the Internet with just a few clicks – at best, the letter carrier rings the doorbell the very next morning. The mail-order company ALTERNATE from Linden was an early adopter of this online trade. As early as the mid-1990s, the growing demand for hardware and software as well as home and consumer electronics was met via the Internet – today, the product range includes around 50,000 items. To ensure smooth operations, ALTERNATE GmbH built an automated small parts warehouse with connected order picking and container conveyor technology back at the turn of the millennium. The two-aisle high-bay warehouse provides space for 5,720 bins storing different packaging units with electrical components. In the meantime, however, the plant had become outdated, and the drive and control technology no longer met the increased requirements, resulting in an increasing number of malfunctions. To bring them back up to date, the company commissioned
the intralogistics specialist TELOGS from Wettenberg with a retrofit.
Maintenance and retrofit expert TELOGS
ALTERNATE has been working with the intralogistics specialist TELOGS for over 10 years. “In TELOGS, we have not only found a good maintenance partner who also reacts excellently in the event of plant malfunctions, but above all a specialist who can convert existing technology into future-proof concepts,” reports Markus Bau. Before getting started, TELOGS presented various modernization options to the plant operator. In a subsequent workshop, the participants jointly decided on the appropriate modernization concept. In the process, the challenges became clear to the partners, as the higher-level, undocumented S5 control system proved to be an unpredictable project risk. In addition, the work had to be carried out during ongoing operations. TELOGS was only able to retrofit and replace from Friday evening until 6:00 a.m. Monday morning. There was little time for much work. Another challenge for the TELOGS team was that the former plant manufacturer no longer existed – making it difficult to obtain complete technical documentation or even descriptions of the interfaces in the installed control technology.