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CECA: control/command and batch

CECA, a subsidiary of the ATOFINA group, produces charcoal in their plant located in Parentis en Born (Landes region).
Selected at first for its quality/price ratio, Topkapi ensures the local monitoring of static ovens, as a complement to the pre-existing centralised system based on a control-command system, which manages the specific processes (SPC, regulation, etc.).
Two TOPKAPI networked stations communicate with 2 APRIL 5000 and 6 SMC35 PLCs via an Applicom board.
According to Mr Laignel, project manager, from the beginning of the project in 1994 and along the development of the automation, TOPKAPI has become a true decentralised control/command station: static and turning ovens, minglers, crushers, pneumatic transport, mixers. In the batch section in particular, we find the automated management of mixes, with products supplied from 5 hoppers to 3 mixers, as well as after-sampling adjustments and memorisation of the products introduced beforehand. The final product is then sent to various types of packaging machines (bulk, bag, big bag).

More about CECA: http://www.ceca.fr

In the plant, another independent TOPKAPI station also manages a washing process.