KROHNE IFC 110 Converter User 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