CONTENTS
2
www.krohne.com 02/2021 - 4003491805- AD OPTIMASS 400 Atex R05 en
OPTIMASS / 400
1 Introduction 4
1.1 General ............................................................................................................................. 4
1.2 EN standards compliance ................................................................................................ 4
1.3 Hazardous areas approvals.............................................................................................. 4
1.4 Identification of OPTIMASS flowmeter systems .............................................................. 5
1.5 Flow sensor VE code........................................................................................................ 6
1.6 Flow converter VE code.................................................................................................... 7
1.7 MFC 400F.......................................................................................................................... 8
1.8 OPTIMASS 1000F / 1400C................................................................................................. 9
1.9 OPTIMASS 2000F / 2400C............................................................................................... 10
1.10 OPTIMASS 3000F / 3400C............................................................................................. 11
1.11 OPTIMASS 6000F / 6400C............................................................................................. 12
1.12 OPTIMASS 7000F / 7400C............................................................................................. 14
1.13 Nameplates .................................................................................................................. 15
2 Special Conditions 16
2.1 Equipotential bonding..................................................................................................... 16
2.2 Electrostatic charge .......................................................................................................16
2.3 Converter orientation (compact version) ....................................................................... 16
2.4 Temperature limits.........................................................................................................17
2.4.1 Introduction........................................................................................................................... 17
2.4.2 MFC 400F .............................................................................................................................. 17
2.4.3 OPTIMASS 1000F / 1400C ..................................................................................................... 18
2.4.4 OPTIMASS 2000F / 2400C ..................................................................................................... 19
2.4.5 OPTIMASS 3000F / 3400C ..................................................................................................... 20
2.4.6 OPTIMASS 6000F / 6400C - standard temperature ("j" = K & "q"
≠
T) ................................ 21
2.4.7 OPTIMASS 6000F / 6400C - short stem ("j" = 0) ................................................................... 23
2.4.8 OPTIMASS 6000F high temperature ("q" = T)....................................................................... 25
2.4.9 OPTIMASS 7000F / 7400C ..................................................................................................... 27
2.4.10 Painted options ................................................................................................................... 28
2.5 Electronics compartment............................................................................................... 28
2.6 Certified cable glands.....................................................................................................29
2.7 Cable protection ............................................................................................................. 29
2.8 Aluminium junction box.................................................................................................. 29
3 Electrical connections 30
3.1 Remote / field terminal connections.............................................................................. 30
3.1.1 Separated systems ............................................................................................................... 31
3.1.2 Cable parameters ................................................................................................................. 31
3.2 Electronics and I/O terminal compartments ................................................................. 32
3.2.1 I/O terminal compartment.................................................................................................... 32
3.2.2 Converter VE code for I / O options....................................................................................... 33
3.2.3 Converter VE code I / O overviews........................................................................................34
AD_OPTIMAS_400_Haz_Areas_en_210201_4003491805_R05.book Page 2 Thursday, February 4, 2021 12:19 PM
