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Alb. Lehmann Bioprodukte AG, Gossau, Switzerland

Feed mill

In 2011, an exi­sting pro­cess con­trol system (PCS) was instal­led, which has now been repla­ced by a modern system. As the old PCS was at the end of its life cycle, it was no lon­ger sui­ta­ble for inte­gra­ting the new pel­le­ting line. Howe­ver, the exi­sting Pro­fi­bus net­work and the inter­face to the Mill­star ERP system were retained.

In order to keep the system down­ti­me during com­mis­sio­ning as short as pos­si­ble, the signal test and the inter­face test to Mill­star were car­ri­ed out in advan­ce in seve­ral two-day stages. Thanks to the­se pre­pa­ra­ti­ons, the plant was con­ver­ted to the new system within two days and pro­duc­tion was then gra­du­al­ly ram­ped up. Once the PCS chan­geo­ver was com­ple­te, the new pel­le­ting line was inte­gra­ted and put into operation.

Advan­ta­ges of the new PCS:

  • Modern plat­form: The new PCS is based on an up-to-date ope­ra­ting system plat­form, which enables long-term fur­ther deve­lo­p­ment and inte­gra­ti­on of new system components.
  • Effi­ci­ent chan­geo­ver: The preli­mi­na­ry tests enab­led a rapid chan­geo­ver, which mini­mi­zed the down­ti­me of the system.
  • Impro­ved cycle time: The faster dosing of com­pon­ents thanks to the new soft­ware led to a reduc­tion in cycle time.
  • Cloud solu­ti­on: The PCS is sup­ple­men­ted by Schmid Ana­ly­tics Ser­vices, a cloud solu­ti­on that pro­vi­des the cus­to­mer with valuable reports such as mixing logs, sto­rage, inco­ming and out­go­ing goods and traceability.

With the new pro­cess con­trol system, the cus­to­mer recei­ves a modern and future-ori­en­ted solu­ti­on that not only impro­ves the effi­ci­en­cy of the plant, but also enables bet­ter inte­gra­ti­on and fur­ther development.

Customer

Alb. Leh­mann Bio­pro­duk­te AG

Plant type

blen­ding system

Project execution

2023 to 2025

Project scope

  • 2500 data points
  • 1 MCC, 1.6 m
  • 1 MCC, Wall cabinet
  • 1 Ser­ver cabinet
  • 4 Ope­ra­ting panel full HD-touch
  • 3 Desk­top ground stations
  • 1 Ser­ver as emer­gen­cy ser­vice station

Our Services

  • Con­cept design and consulting
  • Stock-taking on site
  • Elec­tri­cal engineering
  • Crea­ti­on of func­tion­al design specification
  • Pro­gramming of software
  • Pro­ject engi­nee­ring of visua­li­sa­ti­on system
  • Switch­gear construction
  • On-site con­ver­si­ons
  • Signal test and start-up
  • Ope­ra­tor training

Technology applied

  • auto­ma­ti­onX
  • ISA88 Batch­ma­nage­ment
  • Schmid Ana­ly­tics Ser­vices (powered by Qlik Cloud)
  • Pro­fi­bus
  • PROFINET
  • EPlan P8

Contact

Mar­cel Fust, Head of Con­cept Design & Con­sul­ting, Schmid Auto­ma­ti­on AG

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