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Badger Meter Blancett B220-885, User Manual

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Badger Meter Blancett B220-885 User Manual Download Page 2

K-Factor Scaler, B220-885 K-Factor Scaler and B220-900 Programming Software Kit

June 2021

SGN-UM-00282-EN-05

Page ii

CONTENTS

Scope of This Manual                                                                                         3
Unpacking and Inspection                                                                                                            3
Safety                                                                                                                                                    3

Terminology and Symbols                                                                   3
Considerations                                                                                 3
Electrical Symbols                                                                             4

Introduction                                                                                                                                                                          4
Operating Principle                                                                                           5
Installation                                                                                                                                                                                              6

Electrical Connections                                                                        6
Enclosure Mounting (Necessary for CSA Certification)                               6
Power                                                                                             6
Turbine Meter                                                                                                                                                                    6
Pulse Output                                                                                    6

Connecting to a Computer 8
Using the Programming Software 9

Specifications 12
K-Factors Explained 13

Calculating K-Factors 13

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Summary of Contents for Blancett B220-885

Page 1: ...SGN UM 00282 EN 05 June 2021 User Manual K Factor Scaler B220 885 K Factor Scaler and B220 900 Programming Software Kit...

Page 2: ...afety 3 Terminology and Symbols 3 Considerations 3 Electrical Symbols 4 Introduction 4 Operating Principle 5 Installation 6 Electrical Connections 6 Enclosure Mounting Necessary for CSA Certification...

Page 3: ...f the purchaser SAFETY Terminology and Symbols Indicates a hazardous situation which if not avoided will result in death or serious personal injury WARNING Indicates a hazardous situation which if not...

Page 4: ...urbine meter to accumulate into a unit recognizable by an end device such as a PLC for counting and display The use of different K factor values allows the device to display in any number of volumetri...

Page 5: ...ugh the flow meter The K factor scaler input amplifier modifies the signal generated by the turbine The amplifier sends the modified signal to an onboard microcontroller which counts pulses up to a pr...

Page 6: ...r The turbine meter connections are non polarized Use shielded twisted pair wire for this connection to the turbine meter Pulse Output Either the internal or external pullup resistor must be used for...

Page 7: ...source This power source is the maximum input voltage of the pulse to the receiving device Use the equation below to determine the resistor value R Supply Voltage Current Where R Resistor value in hm...

Page 8: ...ERNAL 3 6K PULL UP RESISTOR JUMPER PROGRAMMING PORT Racine WI U S A K FACTOR SCALER INPUT 8 5 30 VDC MAX INPUT CURRENT 18 mA C US FILE 215035 B220 886 Flow Meters 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 Tab...

Page 9: ...t 1 Pulse Output High Low K Factor Pulse Width 150us Auto 1s 500ms 100ms 25ms 1ms Pulse Output High Low K Factor Pulse Width 150us Auto 1s 500ms 100ms 25ms 1ms File Tools Version Blancett K Factor Pro...

Page 10: ...t pulses per each output pulse for example if the K factor is set to 1 then each input pulse would yield one output pulse The range that the K factor can be set to is 1 999 999 999 The K factor is set...

Page 11: ...The K factor scaler retains downloaded values in the memory if it is disconnected from power Press Read to load the current information from the K factor scaler and display it in the Board Values colu...

Page 12: ...put voltage 0 7V DC VL Less then 0 4V maximum input power Internal Pullup Resistor 3 6 k enabled disabled by jumper Pulse Output using external pullup resistor Maximum Current 100 mA VH Input voltage...

Page 13: ...the number of counts 1000 by the number of seconds 60 1000 60 16 6666 Hz If you were looking at the pulse output on a frequency counter an output frequency of 16 666 Hz would be equal to 1 gpm If the...

Page 14: ...nd the inside pipe diameter Also keep in mind that one US gallon of liquid is equal to 231 cubic inches Example 3 Known values are Velocity 4 3 ft sec Inside Diameter of Pipe 3 068 in Find the area of...

Page 15: ...ge 15 SGN UM 00282 EN 05 June 2021 Known values are Frequency 700 Hz By measurement Flow Rate 99 1 gpm By calculation 700 Hz x 60 sec 42 000 pulses per gallon K factor 42 000 pulses per min 99 1 gpm 4...

Page 16: ...er Meter Inc Other trademarks appearing in this document are the property of their respective entities Due to continuous research product improvements and enhancements Badger Meter reserves the right...

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