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MJK MagFlux - Default Chapter; Table of Contents

MJK MagFlux
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3
Electromagnetic Flow Meter
FW: 841012/842009
Table of Contents
1. Introduction 7
About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Operating Principles .................................................10
The MagFlux
®
Flow Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2. Safety, Repair and Product Identification 13
Safety instructions ..................................................13
Physical Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3. Flow Sensor 15
Minimum conductivity ................................................15
Liner selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Electrode selection ..................................................15
Mounting location ...................................................15
Pressure loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Sizing ............................................................17
Sizing Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Pipe System .......................................................19
Cabinet Mounted on the Flow Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Potential Equalization and Grounding ....................................23
Type 7100/7200/7600 in Conductive Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Type 7100/7200/7600 in Non-conductive Pipes ............................23
Type 7300/7400 in Conductive Pipes ....................................24
Type 7300/7400 in Non-conductive Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4. Flow Converter 25
Electrical Mounting ..................................................25
Power Supply ......................................................26
Changing the Power Supply Voltage 230/115 V AC . . . . . . . . . . . . . . . . . . . . . . . . . 27
Analogue Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Digital Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Local (compact) Flow Sensor ..........................................30
Remote Flow Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Converter Connection Board - Local . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Converter Connection Board - Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
5. System Configuration Examples 33
Compact Converter and Display Unit on Flow Sensor. . . . . . . . . . . . . . . . . . . . . . . .33
Remote Converter with Connection Box on Flow Sensor ......................34
Wiring Schematic #1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Remote Display and Multiple Converters Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Wiring Schematic #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Table of Contents