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References   /  BHW Beeskow – Combined Heat and Power Plant

BHW Beeskow – Combined Heat and Power Plant

Location: Beeskow, Germany

System/Technology: Siemens STEP7 V5.5 SP3 with Distributed Safety V5.4 SP5, Sigraph ET 8.2

Services: Commissioning, Project management, Site management, Basic-engineering and pre-engineering, Detail engineering

Industry Branch/Type of Plant: Power Generation, Power plants, Waste incineration systems

Client: Glunz AG, BHW Beeskow Holzwerkstoffe GmbH, Beeskow


  • Functional one-to-one implementation of the S5-115F boiler protection control (CPU 942) acc. to S7-300 Failsafe (CPU 317F-2 PN/DP)
  • Conversion of the existing SINEC L1 interface between boiler protection control and conventional boiler PLC (S5-155U)



  • Conversion of the existing S5 program to S7 and adaptation to S7-specific properties, especially the Distributed Failsafe library
  • Working out the concept for exchanging the SINEC L1 interface to the conventional boiler PLC by an Ethernet connection to the new S7 boiler protection control
  • Technical safety study of the existing software functions for safe and reliable operation of the plant


  • Configuration and design of the S7-300 Failsafe hardware
  • Conversion planning of the existing control cabinet whilst reusing the existing field cabling
  • Documentation of the hardware planning in Sigraph ET


  • Carrying out the works test in INP Deutschland GmbH
  • Installation and system commissioning of the S7-300 hardware to be supplied
  • Testing of the new Ethernet interface of the S7 controller to the existing S5 controller (S5-155U)


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


  • Carrying out the loop check from the sensor/actuator to the COROS operating system
  • Carrying out cold and hot commissioning under own responsibility, including all necessary technical safety and protection tests
  • Improvement in the startup procedure by optimizing the existing interlocks
  • Acceptance of the boiler protection control with TÜV experts

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