Continuous Emission Monitoring Data Acquisition System CEM-DAS

ABB’s CEM-DAS is a PC-based data acquisition and handling system for continuous emission monitoring.

Compliant to EN 17255, CEM-DAS is a complete networkable system for continuous recording and evaluation of emission data in all industries. The system provides important information for the environmental and economic operation of production facilities. CEM-DAS is scalable to support smallest one stack installations up to multi-block plants with numerous measuring points. CEM-DAS has proven its robustness in a German TÜV test which requires 99 % uptime.

Field data from gas analyzers, dust monitors, etc. can be acquired via conventional I/O’s or Modbus TCP/IP. These data are processed in the CEM-DAS server. All results are saved in a database and on the file system. Optionally a Data Acquisition Unit can be used to buffer field data.


  • Compliant to EN 17255
  • Compliant to all plants covered by the Industrial Emission Directive 2010/75/EU
  • Client / Server architecture with easy access via standard browser
  • Each configuration change is saved in an own revision
  • Redundancy built-in to handle redundant
    – gas analyzers systems
    – CEM-DAS server
    – storage media like a Network Attached Storage (NAS) server or a network file system
  • Bar charts, line charts and lists displaying all pertinent information
  • Data export in csv or txt format, e.g. to MS Excel
  • Emission reports in pdf format
  • Multi-user password management for different users groups with tailored access
  • Database to save all data and allow access for end users to develop own applications
  • Modbus TCP/IP connection for minimum cabling effort to analyzers and/or distributed control systems
  • Can be administered via remote access
  • Options
    – EN 14181/QAL3 module
    – CO2 emission trading module
    – Extended password protection
    – EFÜ for installations in Germany
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