Content • iii
CONTENT
Principles........................................................................................ 4
Qualification ....................................................................... 4
Use ........................................................................................ 4
Notation...................................................................................... 5
750-585 [2 AO 0-20 mA EEx i] .......................................................... 7
2.1.1.1 View................................................................................................ 7
2.1.1.2 Description...................................................................................... 7
2.1.1.3 Display
Elements ............................................................................ 9
Diagram......................................................................... 9
Data .............................................................................. 10
Image ............................................................................... 12
Standard Data Format .............................................................. 12
Use in Hazardous Environments ............................................................. 13
measures................................................................................ 13
3.3 Classification meeting CENELEC and IEC........................................... 13
3.3.1 Divisions............................................................................................ 13
3.3.2
Explosion protection group ............................................................... 14
categories................................................................................... 15
classes........................................................................... 15
Types of ignition protection .............................................................. 16
Explosion protection groups.............................................................. 17
classes........................................................................... 18
Europe ......................................................................................... 19
America ....................................................................................... 20
regulations ........................................................................... 21