Central Control Module

The objective of the module is to do analysis at several measurement points:

  1. Chromatotec analyzer airTOXIC on 2 channels
  2. NOx analyzers on 12 channels 

Chromatotec offers a multiplexer solution with 12 channels along with the software and data display system.

The sequencing module controls 2 multiplexers with 6 channels;
 
It is a programmable controller with 24 VDC.

The sampling line is linked directly to the corresponding NOx analyzer.
This allows for the monitoring of the 12 channels independently.
The 2 NOx analyzers could be replaced by other types of analyzers: H2S, mercaptans, THC, NH3, Cl2…etc
A parallel connection for lines 1 and 7 is done in order to connect the airTOXIC analyzer.

The data acquisition module is also autonomous and saves all the data:

  • The results of measurement of the 5 substances (Benzene, Toluene, Ethylbenzene, M and P xylenes, o-xylenes) from the 2 sampling lines from the airTOXIC
  • The results of measurement of the 3 substances (NO, NO2, NOx) for the 12 sampling lines coming from the NOx analyzers.

The data are stocked on a daily ASCII file, time dated and usable thanks to excell ensuring traceability of the measurements.
The data are available for further calculations and are also displayed in a specific window.
The software information is installed on a compact supervisor. The data exchange is done through RS485 with modbus RTU protocol.

Window with data display

 

Back to previous page

Related Download :