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Project - Pharma

Revamping of a main PLC at one of our customers Biopharma

Discover the added value of the intervention of our Process Control and Automation team in the revamping of the main PLC of a production workshop on the site of a global player in the health sector.

Customer challenge

The workshop’s main PLC was a Siemens S7-300 PLC connected to various Eurotherm or Wago remote input and output stations.
These stations allow the data from the various actuators to be fed back to the machine.

The main PLC also communicated with a supervision system developed on a proprietary system.

The aim of the project entrusted to Technord was to replace the main PLC as well as the remote inputs/outputs while maintaining communication with the existing supervision system.

In addition, the electrical part (wiring of sensors and actuators from the cabinets) also had to be renovated. A study had to be carried out by our teams to confirm the possibility of maintaining communication between the new PLC and the supervision system.

Solution proposed by Technord

Once the study had been carried out and the electrical part refurbished, we worked on the automation part:

  • replacement of the PLC by a Siemens ET200SP PLC
  • conversion of the existing STEP7 program to TIA Portal
  • transfer of the control loops previously managed by the two Eurotherm PLCs to the ET200SP PLC
  • implementation of the communication with the old supervision

Gain for the customer

Following our intervention, the new automation architecture based on a Siemens ET200SP :

  • guarantees the durability of the installation
  • simplifies the architecture by generalizing Siemens compared to the previous architecture (Siemens + EuroTherm + Wago)
  • simplifies spare parts management (no need to keep Eurotherm and Wago systems in stock)
  • allows the customer’s teams to take over the management of the control loops more easily (no internal competence on Eurotherm PLCs)

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