Siemens MicroSAM, Руководство по эксплуатации, Страница: 73 / 138

MicroSAM
Operating Instructions, 06/2012, C79000-G5376-C560-07
71
Commissioning and operation
5
The following description includes the procedures for starting up and shutting down the
device, and the safety aspects which must be observed.
CAUTION
Observe the commissioning sequence!
To avoid damage to the gas chromatograph, carry out all work in the sequence given in
these instructions.
Procedure
1. Connection of gas lines (Page 72)
2. Activating the gas supply (Page 72)
3. Switching on the chromatograph (Page 73)
4. Starting the PC and operating software (Page 74)
WARNING
Explosion hazard

If you commission a gas chromatograph in an environment with an explosive
atmosphere, you must observe the directives for explosion protection.
 Switch off the gas chromatograph when carrying out repairs or maintenance as soon
as atmospheric air penetrates into it, in other words:
– When the device is opened.
– When work is carried out on carrier gas lines and sample gas lines.

Also disconnect other energy sources, e.g. Ethernet and Modbus, if these do not
have an appropriate explosion-proof design.
 You require a fire permission certificate if you transport a PC or laptop through a
hazardous zone and/or if you wish to open a chromatograph in zone 1.

It is essential to observe the information in Section General regulations (Page 12).