1Content
2 General.........................................................................................................................................................5
3 Technical data..............................................................................................................................................6
3.1 Absolute maximum ratings..................................................................................................................7
3.2 Electrical characteristics.......................................................................................................................7
4 Safety and usage instructions ......................................................................................................................8
4.1 Terms and Symbols..............................................................................................................................8
4.2 Correct use...........................................................................................................................................9
4.3 Liability Information.............................................................................................................................9
4.4 Safety and Precautionary Measures to be adopted ..........................................................................10
4.5 Permanent Instrument Warranty ......................................................................................................11
5 The Module................................................................................................................................................12
5.1 Connection overview .........................................................................................................................12
5.2 Electrical connections ........................................................................................................................13
5.3 Module connectors............................................................................................................................14
5.3.1 X1 –Module connector..............................................................................................................14
5.3.2 X2 –Lamp connector .................................................................................................................14
5.4 Gas supply..........................................................................................................................................15
6 Installation hints ........................................................................................................................................17
7 Operation...................................................................................................................................................18
7.1 Using the module...............................................................................................................................18
7.2 Measurement values .........................................................................................................................20
7.3 Measurement result resolution.........................................................................................................20
8 Measurement config..................................................................................................................................21
8.1 Calibration method............................................................................................................................21
8.2 Gas identification and response factor..............................................................................................21
9 Calibration..................................................................................................................................................22
10 UART Communication............................................................................................................................24
10.1 Baudrate selection .............................................................................................................................24
10.2 Message frame...................................................................................................................................25
10.2.1 Checksum calculation.................................................................................................................26
10.2.2 Message section format.............................................................................................................27
10.3 Module commands ............................................................................................................................28
10.3.1 Module information commands................................................................................................28
10.3.2 Module control commands........................................................................................................29