KROHNE BM 26 BASIC-ADVANCED ATEX EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 12/2011 - 4000347102 - AD ATEX BM 26 Bas-Adv R02 en
BM 26 BASIC/ADVANCED
1 Measuring chamber 4
1.1 General safety information............................................................................................... 4
1.1.1 Scope....................................................................................................................................... 4
1.1.2 Device description................................................................................................................... 4
1.1.3 Standards and approvals ........................................................................................................ 4
1.1.4 Categories ............................................................................................................................... 5
1.1.5 ATEX nameplates: measuring chamber................................................................................. 6
1.2 Installation........................................................................................................................ 6
1.2.1 Precautions ............................................................................................................................. 6
1.2.2 Operating conditions ............................................................................................................... 7
1.3 Electrical connections ...................................................................................................... 9
1.3.1 Potential earth (PE): measuring chamber ............................................................................. 9
1.4 Start-up............................................................................................................................. 9
2 Limit switch 10
2.1 General safety information............................................................................................. 10
2.1.1 Scope..................................................................................................................................... 10
2.1.2 Device description................................................................................................................. 10
2.1.3 Standards and approvals ...................................................................................................... 10
2.1.4 Categories ............................................................................................................................. 10
2.1.5 ATEX nameplates: level switch............................................................................................. 11
2.2 Installation...................................................................................................................... 12
2.2.1 Precautions ........................................................................................................................... 12
2.2.2 Operating conditions ............................................................................................................. 12
2.3 Electrical connections .................................................................................................... 13
2.3.1 Ex i limit switches ................................................................................................................. 13
2.4 Start-up........................................................................................................................... 13
3 Analog transmitter 14
3.1 General safety information............................................................................................. 14
3.1.1 Scope..................................................................................................................................... 14
3.1.2 Device description................................................................................................................. 14
3.1.3 Standards and approvals ...................................................................................................... 15
3.1.4 Categories ............................................................................................................................. 15
3.1.5 ATEX nameplates: analog transmitter ................................................................................. 16
3.2 Installation...................................................................................................................... 17
3.2.1 Precautions ........................................................................................................................... 17
3.2.2 Operating conditions ............................................................................................................. 18
3.3 Electrical connections .................................................................................................... 19
3.3.1 Ex i analog transmitter ......................................................................................................... 19
3.4 Start-up........................................................................................................................... 20
4 Assembled equipment 21
4.1 General safety information............................................................................................. 21
4.1.1 Scope..................................................................................................................................... 21
4.1.2 Standards and approvals ...................................................................................................... 21
4.1.3 Categories ............................................................................................................................. 22