KROHNE IFC 110 Converter - Manual (Page 2)

2 IFC 110 F 05/2003
Contents
1 Electrical connection: power supply....................................................................................................6
1.1 Location and important installation notes ……………………. PLEASE NOTE ! ......................................6
1.2 Power supply - connection .......................................................................................................................7
1.3 Electrical connection of flow sensors .......................................................................................................8
1.3.1 General remarks on signal lines A and B and field current line C ............................................................8
1.3.2 Stripping (preparation) of signal cables....................................................................................................9
1.3.3 Grounding of flow sensor .......................................................................................................................10
1.3.4 Cable lengths (max. distance between signal converter and flow sensor).............................................11
1.3.5 Connection diagrams for power supply and flow sensors ......................................................................12
1.3.6 EEx-Connection diagrams for power supply and flow sensors ..............................................................14
2 Electrical connection: outputs and inputs.........................................................................................16
2.1 Important information for outputs and inputs …….…………. PLEASE NOTE ! .....................................16
2.2 Current output I.......................................................................................................................................17
2.3 Pulse outputs P and A1 ..........................................................................................................................18
2.3.1 Pulse output P for electronic totalizers (EC)...........................................................................................18
2.3.2 Pulse output A1 for electromechanical totalizers (EMC) ........................................................................19
2.4
Status outputs A1 / A2 / D1 / D2.............................................................................................................20
2.5 Control inputs C1 and C2 .......................................................................................................................20
2.6 Connection diagrams of outputs and inputs ...........................................................................................21
2.7 Standard factory settings........................................................................................................................25
3 Start-up..................................................................................................................................................26
4 Operating of the signal converter .......................................................................................................28
4.1 KROHNE operating concept...................................................................................................................28
4.2 Operating and control elements .............................................................................................................29
4.3 Key functions ..........................................................................................................................................30
4.4 Table of settable functions .....................................................................................................................32
4.5 Error messages in measuring mode ......................................................................................................38
4.6 Resetting the totalizer and deleting error messages, RESET/QUIT menu ............................................39
4.7 Examples of signal converter settings....................................................................................................39
5 Description of functions ......................................................................................................................40
5.1 Full-scale range Q
100%
............................................................................................................................40
5.2 Time constant .........................................................................................................................................40
5.3 Low-flow cutoff SMU...............................................................................................................................41
5.4 Display....................................................................................................................................................41
5.5 Internal electronic totalizer .....................................................................................................................42
5.6 Internal power supply (E+/E-) for connected loads ................................................................................43
5.7 Current output I.......................................................................................................................................43
5.8 Pulse outputs P and A1 ..........................................................................................................................44
5.9 Status outputs A1 / A2 and D1 / D2 .......................................................................................................46
5.10 Control inputs C1 and C2 .......................................................................................................................47
5.11 Language................................................................................................................................................48
5.12 Entry code ..............................................................................................................................................48
5.13 Flow sensor ............................................................................................................................................49
5.14 User-defined units ..................................................................................................................................50
5.15 F/R mode, forward/reverse flow measurement ......................................................................................51
5.16 Output characteristics.............................................................................................................................51
5.17 Applications ............................................................................................................................................52
5.18 Hardware settings...................................................................................................................................52
5.19 Limit switches .........................................................................................................................................53
5.20 Range change ........................................................................................................................................54