Freeze drying plant

Engineering and delivery of the complete electrical technology incl. software development, commissioning and training of employees for a freeze drying plant.

Control system:

  • 2 x SIMATIC S7-400, CPU414-3P
    • Process and transport
  • 1 x SIMATIC S7-300, CPU315F-2DP
    • Safety system

Operating and monitoring system:

  • WinCC V7.4
    • Communication with the SIMATIC S7 stations via industrial Ethernet
  • 2 x Operating stations with multi-monitor operation
    • Time sequenced reporting via 8P alarm modules
  • 1 x Mobile operating station (SIMATIC Mobile Panel MP277) via Profibus with 7 plug-in options
    • Product tracking of over 600 trays
    • Recipe management with data storage in SIMATIC S7 controller

Bus systems:

  • Industrial Ethernet:
    • Communication between the SIMATIC S7 controllers and with the operating and monitoring system
  • Profibus:
    • Local connection to decentralised peripheral equipment, frequency converter, weighing systems, servo controller S7-300 CPU317-T
  • Profibus Safety Integrated:
    • Decentralized connection of safety sensors and actuators
  • Profibus:
    • Connection of external peripheral equipment via a redundant optical ring

Noteworthy aspects:

  • Due to the coronavirus pandemic, a large part of the commissioning work was carried out via secure remote access from Germany