KROHNE H250 M40 EN User Manual
Page 3

CONTENTS
3
www.krohne.com
11/2012 - 4000640702 MA H250 M40 R02 en
H250 M40
1 Safety instructions
5
1.1 Intended use ..................................................................................................................... 5
1.2 Certifications .................................................................................................................... 6
1.3 Pressure equipment directive.......................................................................................... 6
1.4 Safety instructions from the manufacturer ..................................................................... 7
1.5 Copyright and data protection.......................................................................................... 7
1.5.1 Disclaimer ............................................................................................................................... 7
1.5.2 Product liability and warranty ................................................................................................ 8
1.5.3 Information concerning the documentation........................................................................... 8
1.5.4 Warnings and symbols used................................................................................................... 9
1.6 Safety instructions for the operator................................................................................. 9
2 Device description
10
2.1 Scope of delivery............................................................................................................. 10
2.2 Device version................................................................................................................. 11
2.2.1 Indicator versions ................................................................................................................. 12
2.2.2 Float damping ....................................................................................................................... 14
2.2.3 Pointer damping.................................................................................................................... 14
2.3 Nameplate ...................................................................................................................... 15
2.4 Description code............................................................................................................. 16
2.5 Electronics revision ........................................................................................................ 17
3 Installation
18
3.1 Notes on installation ...................................................................................................... 18
3.2 Storage ........................................................................................................................... 18
3.3 Installation conditions .................................................................................................... 19
3.3.1 Tightening torques ................................................................................................................ 21
3.3.2 Magnetic filters ..................................................................................................................... 21
3.3.3 Heat insulation ...................................................................................................................... 22
4 Electrical connections
23
4.1 Security information....................................................................................................... 23
4.2 Electrical connection indicator M40............................................................................... 24
4.2.1 Indicator M40 - limit switches .............................................................................................. 24
4.2.2 Current output ESK4............................................................................................................. 27
4.2.3 Binary inputs/outputs ESK4-T .............................................................................................. 30
4.2.4 Connection Harting HAN® 7D .............................................................................................. 33
4.3 Grounding connections................................................................................................... 34
4.4 Protection category ........................................................................................................ 34
5 Start-up
35
5.1 Standard device .............................................................................................................. 35
5.2 Indicator ESK4-T ............................................................................................................ 35
MA_H250_M40_R02_en_640702_PRT.book Page 3 Wednesday, November 28, 2012 12:23 PM