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References   /  WODEGO – Turbine Control
WODEGO – Turbine Control

WODEGO – Turbine Control

Location: Neumarkt, Germany

System/Technology: Siemens STEP7 V5.5 SP3, WinCC V7.0, EPLAN Electric P8

Services: Commissioning, Project management, Quality assurance, Pre-project planning and tendering, Basic-engineering and pre-engineering, Detail engineering, Installation supervision, Operations

Industry Branch/Type of Plant: Power Generation, Industrial systems

Client: Wodego GmbH, Neumarkt


  • Functional one-to-one conversion of turbine control from S5-115U to S7-400
  • Conversion of the existing interface between the turbine control and turbine regulator from TTY 4-20mA to Profibus-DP



  • Working out the process functions and creating graphical P-FUPs
  • Development of our own S7 drive modules to replace the existing drive modules with the objective of transparent and open-source program structure in S7-FUP
  • Partial conversion of the system-specific program sections from STEP 5 to STEP 7
  • Programming of the process functions using drive modules developed by INP
  • Adaptation of the WinCC interface


  • Configuration of the S7-400 hardware
  • The existing S5 front-panel connectors were retained with the help of Siemens peripheral adapters in order to minimize the installation time and thus reduce the plant downtime
  • Documentation of the hardware planning in EPLAN Electric P8


  • Carrying out the works test in INP Deutschland GmbH
  • Installation and system commissioning of the S7-400 hardware to be supplied
  • 100% signal test (input channel to WinCC) using our own test cabinets
  • Test of the Profibus interface to the turbine regulator
  • Functional test of the software by simulation
  • Logging of results


  • Removal of the existing S5 controller
  • Installation and new wiring of the new S7 controller in the same location


  • Writing the commissioning sequence plan
  • Carrying out commissioning under our own responsibility
  • Logging the results of the individual commissioning steps
  • Customer acceptance


  • Improved functions adapted to the customer's wishes by in-house development of the drive modules
  • Reuse of the S5 front-panel connectors and carrying out the works tests made it possible to reduce the commissioning time and thus the plant downtime to only four days

Points of contact

Jürgen Wilkening Prokurist - Business Development Manager

Jürgen Wilkening

PoA - Business Development Manager

INP Deutschland GmbH

Werkstrasse 5

67354 Römerberg


Tel. +49 6232 6869-0

More references