KROHNE UFM 3030 EEx EN - Manual (Page 5)

UFM 3030 5
Table of contents
1 System Components 6
1.1 General information 6
1.2 Compact flowmeter 6
1.3 Flow sensor 7
1.4 Flow converter 8
1.5 Electrical data 11
2 Technical data 13
2.1 Mains supply 13
2.2 Signal in-/outputs 13
2.3 Ultrasonic sensor circuits 13
2.4 Environment temperatures 13
2.5 Power dissipation 13
3 Electrical connections 14
3.1 Safety instructions 14
3.2 Power supply connection 14
3.3 Equipotential bonding 14
3.4 Standard versions 15
3.5 Namur versions 16
3.6 MODIS versions 17
4 Operation of the flow converter 20
4.1 Operation of the flow converter 20
4.2 Connecting cables 20
4.3 Connection diagrams 21
4.4 Namur NE 43 settings 25
5 Service and maintenance 26
5.1 Introduction 26
5.2 Replacement of electronics unit or power fuse(s) 26
5.3 Replacement of electronics unit 27
5.4 Replacement of mains fuse and analogue input fuses 27