Dynasonics TFX User Manual

Transit Time Flow Meters

TFX Ultra

TTM-UM-00136-EN-02 (March 2014)

User Manual

Transit Time Meter, TFX Ultra

CONTENTS

QUICK-START OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Transducer Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Pipe Preparation and Transducer Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Application Versatility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

CE Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

User Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Data Integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Product Identication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Software Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

TRANSMITTER INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Transducer Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Line Voltage AC Power Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Low Voltage AC Power Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

DC Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

TRANSDUCER INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Step 1 – Mounting location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Step 2 – Transducer Spacing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Step 3 – Entering Pipe and Liquid Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Step 4 – Transducer Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

V-MOUNT and W-MOUNT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Application of Couplant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Transducer Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DTDTTCS/24 Small Pipe Transducer Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

DTDTTCS/25 Small Pipe Transducer Conguration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Mounting Transducers in Z-Mount Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Mounting Track Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

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User Manual

INPUTS/OUTPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

4-20 mA Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Control Outputs [Flow Only Version] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

ALARM OUTPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Batch/Totalizer Output for Flow Only Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Totalizer Output Option for Energy Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Signal Strength Alarm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Error Alarm Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Frequency Output [Flow Only Models] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

RS485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

HEAT FLOW FOR ENERGY MODELS ONLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Installation of Surface Mounted RTD’S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

INSTALLATION OF INSERTION RTD’S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

WIRING TO METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

REPLACEMENT RTDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

STARTUP and CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Before Starting the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Instrument Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

KEYPAD PROGRAMMING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

BSC MENU – BASIC MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

CH1 Menu — Channel 1 Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

CH2 Menu — Channel 2 Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

FLOW ONLY METER OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

SEN MENU – SENSOR MENU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

SEC MENU – SECURITY MENU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

SEC Menu — Security Function Selection Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

SER MENU – SERVICE MENU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

DSP MENU – DISPLAY MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Display Submenu — Display Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Total Submenu — Totalizer Choices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Display Dwell Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Totalizer Batch Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

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Transit Time Meter, TFX Ultra

SOFTWARE UTILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

BASIC TAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Transducer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Flow Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Filtering Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Output Tab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Channel 1 – 4-20 mA Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

4-20 Test — 4-20 mA Output Test (Value) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Channel 2 - RTD Conguration [for energy units Only] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Channel 2 – Control Output Conguration Flow Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

None . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Batch / Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Signal Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

SETTING ZERO AND CALIBRATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Target Dbg Data Screen - Denitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Saving Meter Conguration on a PC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Printing a Flow Meter Conguration Report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

COMMUNICATIONS PROTOCOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

MODBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Modbus Register / Word Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Network Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Main Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

BACnet Conguration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

BACnet® Object Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Protocol Implementation Conformance Statement (Normative) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

BACnet Protocol Implementation Conformance Statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Heating and Cooling Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Rate of heat delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

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User Manual

IN FIELD CALIBRATION OF RTD TEMPERATURE SENSORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Equipment Required: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Replacing or Re-calibrating RTDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Electrical Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Brad Harrison® Connector Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

PRODUCT LABELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

CONTROL DRAWINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

CE COMPLIANCE DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

K FACTORS EXPLAINED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Calculating K factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

FLUID PROPERTIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

SYMBOL EXPLANATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

Flow Meter Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Page v March 2014

Transit Time Meter, TFX Ultra

Page vi March 2014

QUICKSTART OPERATING INSTRUCTIONS

This manual contains detailed operating instructions for all aspects of the flow metering instrument. The following condensed instructions assist the operator in getting the instrument running as quickly as possible. This pertains to basic operation only. Refer to the appropriate section in the manual for complete details on specific instrument features or if the installer is unfamiliar with this type of instrument.

OTE:N The following steps require information supplied by the meter itself so it will be necessary to supply power to the

unit, at least temporarily, to obtain setup information.

Transducer Location

1. In general, select a mounting location on the piping system with a minimum of ten pipe diameters (10 × the pipe inside diameter) of straight pipe upstream and ve straight diameters downstream. See Table 1 for additional congurations.

2. If the application requires DTTR, DTTN, DTTL or DTTH transducers select a mounting method for the transducers based on pipe size and liquid characteristics. See Table 2. Figure 1 illustrates the three valid transducer congurations.

OTE:N All DTTS and DTTC transducers use V–Mount configuration.

3. Enter the following data into the transmitter via the integral keypad or the software utility:

1 Transducer mounting method 7 Pipe liner thickness

2 Pipe O.D. (Outside Diameter) 8 Pipe liner material

3 Pipe wall thickness 9 Fluid type

4 Pipe material 10 Fluid sound speed*

5 Pipe sound speed* 11 Fluid viscosity*

6 Pipe relative roughness* 12 Fluid specific gravity*

OTE:N * Nominal values for these parameters are included within the flow meter operating system. The nominal values may

be used as they appear or may be modified if the exact system values are known.

TOP VIEW

OF PIPE

TOP VIEW

OF PIPE

TOP VIEW

OF PIPE

W-Mount V-Mount Z-Mount

Figure 1: Transducer mounting configuration

4. Record the value calculated and displayed as transducer spacing XDC SPAC.

Electrical Connections

Transducer/Power Connections

1. Route the transducer cables from the transducer mounting location back to the ow meter enclosure. Connect the transducer wires to the terminal block in the ow meter enclosure.

2. Verify that power supply is correct for the meters power option.

a. Line voltage AC units require 95…264V AC, 47…63 Hz @ 17 VA maximum.

b. Low voltage AC units require 20…28V AC, 47…63 Hz @ 0.35 VA maximum.

c. DC units require 10…28V DC @ 5 Watts maximum.

4. Connect power to the ow meter.

Page 7 March 2014

QUICKSTART OPERATING INSTRUCTIONS

Pipe Preparation and Transducer Mounting

DTTN, DTTL, and DTTH Transducers

1. Place the ow meter in signal strength measuring mode. This value is available on the ow meters display Service Menu or in the data display of the software utility.

2. The pipe surface, where the transducers are to be mounted, must be clean and dry. Remove scale, rust or loose paint to ensure satisfactory acoustic conduction. Wire brushing the rough surfaces of pipes to smooth bare metal may also be useful. Plastic pipes do not require preparation other than cleaning.

3. Apply a single 1/2 in. (12 mm) bead of acoustic couplant grease to the upstream transducer and secure it to the pipe with a mounting strap.

4. Apply acoustic couplant grease to the downstream transducer and press it onto the pipe using hand pressure at the lineal distance calculated in Transducer Location on page 7.

5. Space the transducers according to the recommended values found during programming or from the software utility. Secure the transducers with the mounting straps at these locations.

DTTS and DTTC Transducers

Downstream+ DownstreamUpstreamUpstream+

Figure 2: Transducer connections

1. Place the ow meter in signal strength measuring mode. This value is available on the ow meter’s display Service Menu or in the data display of the software utility.

3. Apply a single 1/2 in. (12 mm) bead of acoustic couplant grease to the top half of the transducer and secure it to the pipe with bottom half or U-bolts.

4. Tighten the nuts so that the acoustic coupling grease begins to ow out from the edges of the transducer and from the gap between the transducer and the pipe.

MPORTANTI

Do not over tighten.

Startup

Initial Settings and Power-up

1. Apply power to the transmitter.

2. Verify that SIG STR is greater than 5.0.

3. Input proper units of measure and I/O data.

Page 8 March 2014

INTRODUCTION

General

This transit time ultrasonic flow meter is designed to measure the fluid velocity of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type or clamp-around, which will provide benefits of non-fouling operation and ease of installation.

TOP VIEW

OF PIPE

TOP VIEW

OF PIPE

TOP VIEW

OF PIPE

W-Mount V-Mount Z-Mount

Figure 3: Ultrasound transmission

This family of transit time flow meters utilize two transducers that function as both ultrasonic transmitters and receivers. The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The transducers can be mounted in V-Mount where the sound transverses the pipe two times, W-Mount where the sound transverses the pipe four times, or in Z-Mount where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. The selection of mounting method is based on pipe and liquid characteristics which both have an effect on how much signal is generated. The flow meter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the time interval that it takes for sound to travel between the two transducers. The difference in the time interval measured is directly related to the velocity of the liquid in the pipe.

Application Versatility

This flow meter can be successfully applied on a wide range of metering applications. The simple-to-program transmitter allows the standard product to be used on pipe sizes ranging from 1/2 …100 inches (12…2540 mm)*. A variety of liquid applications can be accommodated:

ultrapure liquids cooling water potable water river water chemicals

plant effluent sewage reclaimed water others

Because the transducers are non-contacting and have no moving parts, the flow meter is not affected by system pressure, fouling or wear. Standard transducers, DTTN and DTTL are rated to a pipe surface temperature of –40…250° F (–40…121° C). DTTS small pipe transducers are rated from –40…185° F (–40…85° C). The DTTH high temperature transducers can operate to a pipe surface temperature of –40 …350° F (–40…176° C) and the DTTC small pipe high temperature transducer will withstand temperature of –40…250° F (–40…121° C).

OTE:N *All 1/2…1-1/2 in. small pipe transducers and 2 in. small pipe tubing transducer sets require the transmitter

be configured for 2 MHz and use dedicated pipe transducers. DTTL transducers require the use of the 500 kHz transmission frequency. The transmission frequency is selectable using either the software utility or the TFX Ultra keypad.

CE Compliance

The transmitter can be installed in conformance to CISPR 11 (EN 55011) standards. See the CE compliance drawings in the

APPENDIX of this manual.

Page 9 March 2014

INTRODUCTION

User Safety

This meter employs modular construction and provides electrical safety for the operator. The display face contains voltages no greater than 28V DC. The display face swings open to allow access to user connections.

DANGER

THE POWER SUPPLY BOARD CAN HAVE LINE VOLTAGES APPLIED TO IT, SO DISCONNECT ELECTRICAL POWER BEFORE OPENING THE INSTRUMENT ENCLOSURE. WIRING SHOULD ALWAYS CONFORM TO LOCAL CODES AND THE NATIONAL ELECTRICAL CODE.

Data Integrity

Non-volatile flash memory retains all user-entered configuration values in memory for several years at 77° F (25° C), even if power is lost or turned off. Password protection is provided as part of the Security menu SEC MENU and prevents inadvertent configuration changes or totalizer resets.

Product Identication

The serial number and complete model number of the transmitter are located on the top outside surface of the transmitter’s body. Should technical assistance be required, please provide our customer service department with this information.

Page 10 March 2014

SPECIFICATIONS

System

Liquid Types Most clean liquids or liquids containing small amounts of suspended solids or gas bubbles.

Velocity Range

Flow Accuracy

Temperature Accuracy

(Energy Meters Only)

Sensitivity

Repeatability 0.5% of reading.

Installation Compliance

Bidirectional to greater than 40 fps (12 mps).

DTTN/DTTH/DTTL: ±1% of reading or ±0.01 fps (0.003 mps), whichever is greater.

DTTS/DTTC: 1 in. (25 mm) and larger – ±1% of reading or ±0.04 fps (0.012 mps), whichever is greater.

DTTS/DTTC: 3/4 in. (19 mm) and smaller – ±1% of full scale (See the Dimensional Specifications page)

Option A: 32…122° F (0…50° C); Absolute: 0.22° F (0.12° C) Difference: 0.09° F (0.05° C)

Option B: 32…212° F (0…100° C); Absolute: 0.45° F (0.25° C) Difference: 0.18° F (0.1° C)

Option C: –40…350° F (–40…177° C); Absolute: 1.1° F (0.6° C) Difference: 0.45° F (0.25° C)

Option D: –4…85° F (–20…30° C); Absolute: 0.22° F (0.12° C) Difference: 0.09° F (0.05° C)

Flow: 0.001 fps (0.0003 mps)

Temperature:

Option A: 0.03° F (0.012° C).

Option B: 0.05° F (0.025° C).

Option C: 0.10° F (0.060° C).

Option D: 0.03° F (0.012° C).

General Safety (all models):

Hazardous Location (power supply options A and D only):

Pollution degree: 2

Altitude: 6560 ft (2000 m) maximum.

UL 61010-1, CSA C22.2 No. 61010-1; (power options A and D only)EN 61010-1.

Class I Div. 2 Groups C, D, T4; Class II, Division 2, Groups F, G, T4; Class III Division 2 for US/CAN; ATEX II 2 G Ex nA II T4: ANSI/ISA-12.12.01, CSA 22.2 No. 213, EN 60079-0 and EN 60079-15.

Compliant with directives 2004/108/EC, 2006/95/EC and 94/9/EC on meter systems with integral flow transducers, transducers constructed with twinaxial cable (all transducers with cables 100 ft (30 m) and shorter) or remote transducers with conduit.

SPECIFICATIONS

Transmitter

Power Requirements

Display

Enclosure

AC: 95…264 V AC 47…63 Hz @ 17 VA max. or 20…28 V AC 47…63 Hz @ 0.35 A max. DC: 10…28 V DC @ 0.5 A max.

Two line LCD, LED backlit: Top row 0.7 inch (18 mm) height, seven segment.

Bottom row 0.35 inch (9 mm) height, fourteen segment.

Icons: RUN, PROGRAM, RELAY1, RELAY2.

Flow rate indication: Eight digit positive, seven digit negative max. Auto decimal, lead zero blanking.

Flow accumulator (totalizer): Eight digit positive, seven digit negative max. Reset via keypad press, ULTRALINK, network command or momentary contact closure.

Type 4 (IP-65) Construction: powder-coated aluminum, polycarbonate, stainless steel, polyurethane, nickel-plated steel mounting brackets

Size: 6.0 in. W x 4.4 in. H x 2.2 in. D (152 mm W x 112 mm H x 56 mm D).

Conduit Holes: (2) 1/2 in. NPT female; (1) 3/4 in. NPT female; optional cable gland kit.

Page 11 March 2014

SPECIFICATIONS

Temperature –40…185° F (–40…85° C).

Configuration

Engineering Units

Via optional keypad or PC running ULTRALINK software

(Note: not all configuration parameters are available from the keypad—for example flow and temperature calibration and advanced filter settings)

Flow Meter: Feet, gallons, cubic feet, million gallons, barrels (liquid and oil), acre-feet, pounds, meters, cubic meters, liters, million liters, kilograms.

Energy Meter: Btu, mBtu, mmBtu, tons, kJ, kW, MW, and the flow meter list from above.

RS-485: Modbus RTU or BACnet MSTP 9.6k baud standard, other baud rates, 14.4k,

19.2k, 38.4k, 56k, 57.6k and 76.8k for both Modbus and BACnet.

10/100 Base-T: RJ45, communication via Modbus TCP/IP, EtherNet/IP, or BACnet/IP.

USB 2.0: For connection of a PC running ULTRALINK configuration utility.

4-20 mA: Twelve bit, internal power, can span negative to positive flow/energy rates.

Inputs/ Outputs

Energy Meter Model Only: Auxiliary Total Pulse Option: Opto isolated open collector transistor. 16 Hz maximum, pulse width of 30 mSec (fixed).

Flow Meter Model Only: 0…1000 Hz: open-collector, twelve bit, can span negative to positive rates; square-wave or turbine meter simulation outputs.

Two Alarm Outputs: Open-collector, configure as rate alarm, signal strength alarm or totalizer pulse. When configured as a totalizing pulse the pulse width is 100 mSec with a 1 Hz maximum frequency.

Transducers

DTTN/DTTC/DTTL: NEMA 6* (IP-67), CPVC or Valox, Ultem, Nylon cord grip, PVC cable jacket; –40…250° F (–40…121° C)

DTTN/DTTL: NEMA 6P* (IP-68) option, CPVC, Ultem, Nylon cord grip Polyethylene cable jacket; –40…250° F (–40…121° C)

Construction

Frequency

Cables RG59 Coaxial, 75 ohm or Twinaxial, 78 ohm (optional armored conduit).

Cable Length 990 ft (300 meter) max. in. 10 ft (3 m) increments; Submersible Conduit limited to 100 ft (30 m).

RTDs

(Energy Meters Only)

Installation

DTTH: NEMA 6* (IP-67), PTFE, Vespel, Nickel-plated brass cord grip PFA cable jacket; –40…350° F (–40…176° C)

DTTS: NEMA 6* (IP-67), PVC, Ultem, Nylon cord grip,

PVC cable jacket; –40…185° F (–40…85° C)

*NEMA 6 units: to a depth of 3 ft (1 m) for 30 days max. NEMA 6P units: to a depth of 100 ft (30 m) seawater equivalent density indefinitely.

DTTS/DTTC: 2 MHz DTTN/DTTH: 1 MHz DTTL: 500 kHz

Platinum 385, 1000 ohm, 3-wire; PVC jacket cable.

DTTN (-N option) /DTTS/DTTH/DTTC: General and Hazardous Location

(see Installation Compliance above).

DTTN Transducer and IS Barrier (-F option): Class I Div. 1, Groups C&D T5 Intrinsically Safe Ex ia; CSA C22.2 No. 142 & 157; UL 913 & 916.

Software Utilities

ULTRALINK

Page 12 March 2014

Used to configure, calibrate and troubleshoot flow and energy meters. Connection via USB A/B cable; software is compatible with Windows 2000, Windows XP, Windows Vista and Windows 7.

TRANSMITTER INSTALLATION

After unpacking, it is recommended to save the shipping carton and packing materials in case the instrument is stored or re-shipped. Inspect the equipment and carton for damage. If there is evidence of shipping damage, notify the carrier immediately.

The enclosure should be mounted in an area that is convenient for servicing, calibration or for observation of the LCD readout.

1. Locate the transmitter within the length of transducer cables supplied. If this is not possible, it is recommended that the cable be exchanged for one that is of proper length. To add cable length to a transducer, the cable must be the same type as utilized on the transducer. Twinaxial cables can be lengthened with like cable to a maximum overall length of 100 feet (30 meters). Coaxial cables can be lengthened with RG59 75 Ohm cable and BNC connectors to 990 feet (300 meters).

2. Mount the transmitter in a location:

• Where little vibration exists.

• That is protected from corrosive fluids.

• That is within the transmitters ambient temperature limits –40 …185° F (–40…85° C).

• That is out of direct sunlight. Direct sunlight may increase transmitter temperature to above the maximum limit.

A B C D

6.00 in. (152.4 mm) 4.20 in. (106.7 mm) 4.32 in. (109.7 mm) 2.06 in. (52.3 mm)

Figure 4: Flow meter transmitter dimensions

3. Refer to Figure 4 for enclosure and mounting dimension details. Ensure that enough room is available to allow for door swing, maintenance and conduit entrances. Secure the enclosure to a at surface with two appropriate fasteners.

4. Conduit holes should be used where cables enter the enclosure. Holes not used for cable entry should be sealed with plugs. An optional cable gland kit is available for inserting transducer and power cables. The manufacturers part number for this kit is D010-1100-000 and can be ordered directly from the manufacturer.

Page 13 March 2014

TRANSMITTER INSTALLATION

OTE:N Use NEMA 4 [IP-65] rated fittings/plugs to maintain the watertight integrity of the enclosure. Generally, the right

conduit hole (viewed from front) is used for power, the left conduit hole for transducer connections, and the center hole is utilized for I/O wiring.

Transducer Connections

To access terminal strips for wiring, loosen the two screws in the enclosure door and open.

Guide the transducer terminations through the transmitter conduit hole located in the bottom-left of the enclosure. Secure the transducer cable with the supplied conduit nut (if flexible conduit was ordered with the transducer).

The terminals within flow meter are of a screw-down barrier terminal type. Connect the appropriate wires at the corresponding screw terminals in the transmitter. Observe upstream and downstream orientation and wire polarity. See

Figure 5.

372

VE D

A C L

C US

E167432

PRODUCT SERVICE

TUV

RoHS

AC IN : 100-240VAC,50/60Hz

DC OUT :

+15V / 0.3A

0.15A

R2807

1500mA250V

C U S

A C N

PWC - 1 5 E

w w w . a s t ro d y n e . c o m

s t r o d y n e

+ Vo

- Vo

1 2 3 4

Downstream

Upstream

RS485 Gnd

RS485 A(-)

RS485 B(+)

Modbus

TFX Rx

TFX Tx

Signal Gnd.

Control 1

Control 2

Frequency Out

4-20 mA Out

Reset Total

95 - 264 VAC

AC Neutral

To Transducers

Figure 5: Transducer connections

OTE:N Transducer cables have two possible wire colors. For the blue and white combination the blue wire is positive (+) and

the white wire is negative (-). For the red and black combination the red wire is positive (+) and the black wire is negative (-).

OTE:N The transducer cable carries low level, high frequency signals. In general, it is not recommended to add additional

length to the cable supplied with the transducers. If additional cable is required, contact the factory to arrange an exchange for a transducer with the appropriate length of cable. Cables 100…990 feet (30…300 meters) are available with RG59 75 Ohm coaxial cable. If additional cable is added, ensure that it is the same type as utilized on the transducer. Twinaxial (blue and white conductor) cables can be lengthened with like cable to a maximum overall length of 100 feet (30 meters). Coaxial cables can be lengthened with RG59 75 Ohm cable and BNC connectors to 990 feet (300 meters).

Connect power to the screw terminal block in the transmitter. See Figure 6 and Figure 7. Utilize the conduit hole on the right side of the enclosure for this purpose. Use wiring practices that conform to local and national codes such as The National Electrical Code Handbook in the U.S.

ANY OTHER WIRING METHOD MAY BE UNSAFE OR CAUSE IMPROPER OPERATION OF THE INSTRUMENT.

OTE:N This instrument requires clean electrical line power. Do not operate this unit on circuits with noisy components (i.e.,

fluorescent lights, relays, compressors, or variable frequency drives). The use of step down transformers from high voltage, high amperage sources is also not recommended. Do not to run signal wires with line power within the same wiring tray or conduit.

Page 14 March 2014

TRANSMITTER INSTALLATION

Line Voltage AC Power Connections

Connect 95…264V AC, AC neutral and chassis ground to the terminals referenced in Figure 6. Do not operate without an earth (chassis) ground connection.

MPORTANTI

Permanently connected equipment and multi-phase equipment shall employ a switch or circuit breaker as a means of disconnect. The switch or circuit breaker shall conform to the following:

1. A switch or circuit breaker shall be included in the building installation.

2. The switch shall be in close proximity to the equipment and within easy reach of the operator.

3. The switch shall be marked as the disconnecting device for the equipment. Wiring of this equipment in ordinary locations shall be in accordance with ANSI/NFPA 70, National Electrical Code (NEC), Canadian Electrical Code (CEC) or IEC 60364 as required by local codes. Wiring of this equipment in hazardous locations requires special considerations such a those described in National Electrical Code (NEC) Article 500, Canadian Electrical Code (CEC), CSA C22.1 or IEC 60079-14.

s t r o d y n e

1500mA250V

IN: 18-36VAC

372

C U S

- IN +

OUT: 15VDC

Chassis Gnd. 24 VAC AC Neutral

Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total RS485 Gnd RS485 A(-) RS485 B(+)

Test

1 2 3 4

ASD06-24S15

OUT−

OU T+

Switch

Circuit

Modbus

TFX Rx TFX Tx

Downstream

Upstream

Breaker

372

1500mA250V

C U S

1 2 3 4

A C N

w w w . a s t ro d y n e . c o m

PWC - 1 5 E

AC IN : 100-240VAC,50/60Hz DC OUT :

C US

A C L

E167432

95 - 264 VAC

AC Neutral

AC Neutral Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total RS485 Gnd RS485 A(-) RS485 B(+)

s t r o d y n e

+15V / 0.3A

TUV

PRODUCT SERVICE

+ Vo

- Vo

0.15A

R2807

RoHS

Modbus

TFX Rx TFX Tx

Switch

Downstream

Upstream

Circuit

Breaker

24V AC Transformer

Figure 6: Line voltage AC power connections Figure 7: Low voltage AC power connections

Low Voltage AC Power Connections

Connect 20…28V AC, AC neutral and chassis ground to the terminals referenced in Figure 7.

DANGER

DO NOT OPERATE WITHOUT AN EARTH CHASSIS GROUND CONNECTION.

The 24V AC power supply option for this meter is intended for a typical HVAC and Building Control Systems (BCS) powered by a 24V AC, nominal, power source. This power source is provided by AC line power to 24V AC drop down transformer and is installed by the installation electricians.

OTE:N In electrically noisy applications, grounding the meter to the pipe where the transducers are mounted may provide

additional noise suppression. This approach is only effective with conductive metal pipes. The earth (chassis) ground derived from the line voltage power supply should be removed at the meter and a new earth ground connected between the meter and the pipe being measured.

OTE:N Wire gauges up to 14 AWG can be accommodated in the flow meter terminal blocks. OTE:N AC powered versions are protected by a field replaceable fuse. The fuse is a time delay fuse rated at 0.5A/250V. This

fuse is equivalent to Wickmann P.N. 3720500041 or 37405000410.

Page 15 March 2014

TRANSMITTER INSTALLATION

DC Power Connections

The flow meter may be operated from a 10…28V DC source, as long as the source is capable of supplying a minimum of 5 Watts of power.

Connect the DC power to 10…28V DC In, power gnd., and chassis gnd., as in Figure 1.6.

OTE:N DC powered versions are protected by an automatically

resetting fuse. This fuse does not require replacement.

O N

1 2 3 4

10 - 28 VDC

Power Gnd.

Power Gnd. Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total RS485 Gnd RS485 A(-) RS485 B(+)

Modbus

TFX Rx TFX Tx

Downstream

Upstream

Figure 8: DC Power connections

Power

Ground

Switch

Circuit

Breaker

10…28 VDC

Chassis Ground

Page 16 March 2014

TRANSDUCER INSTALLATION

General

The transducers that are utilized by this flow meter contain piezoelectric crystals for transmitting and receiving ultrasonic signals through walls of liquid piping systems. DTTH, DTTL and DTTH transducers are relatively simple and straightforward to install, but spacing and alignment of the transducers is critical to the system’s accuracy and performance. Extra care should be taken to ensure that these instructions are carefully executed. DTTS and DTTC, small pipe transducers, have integrated transmitter and receiver elements that eliminate the requirement for spacing measurement and alignment.

Mounting of the DTTN, DTTL, and DTTH clamp-on ultrasonic transit time transducers is comprised of three steps:

1. Selection of the optimum location on a piping system.

2. Entering the pipe and liquid parameters into either the software utility or keying the parameters into transmitter using the keypad. The software utility or the transmitters rmware will calculate proper transducer spacing based on these entries.

3. Pipe preparation and transducer mounting.

Energy transmitters require two RTDs to measure heat usage. The flow meter utilizes 1000 Ohm, three-wire, platinum RTDs in two mounting styles. Surface mount RTDs are available for use on well insulated pipes. If the area where the RTD will be located is not insulated, inconsistent temperature readings will result and insertion (wetted) RTDs should be utilized.

Step 1 – Mounting location

The first step in the installation process is the selection of an optimum location for the flow measurement to be made. For this to be done effectively, a basic knowledge of the piping system and its plumbing are required.

An optimum location is defined as:

• A piping system that is completely full of liquid when measurements are being taken. The pipe may become completely empty during a process cycle – which will result in the error code 0010 (Low Signal Strength) being displayed on the flow meter while the pipe is empty. This error code will clear automatically once the pipe refills with liquid. It is not recommended to mount the transducers in an area where the pipe may become partially filled. Partially filled pipes will cause erroneous and unpredictable operation of the meter.

• A piping system that contains lengths of straight pipe such as those described in Table 1. The optimum straight pipe diameter recommendations apply to pipes in both horizontal and vertical orientation. The straight runs in Table 1 apply to liquid velocities that are nominally 7 fps (2.2 mps). As liquid velocity increases above this nominal rate, the requirement for straight pipe increases proportionally.

• Mount the transducers in an area where they will not be inadvertently bumped or disturbed during normal operation.

• Avoid installations on downward flowing pipes unless adequate downstream head pressure is present to overcome partial filling of or cavitation in the pipe.

Page 17 March 2014

TRANSDUCER INSTALLATION

Piping Conguration

and Transducer Positioning

Flow

Upstream

Pipe

Diameters

Downstream

* **

Pipe

Diameters

Flow

Table 1: Piping configuration and transducer positioning

This flow meter system will provide repeatable measurements on piping systems that do not meet these requirements, but accuracy of these readings may be influenced to various degrees.

Page 18 March 2014

TRANSDUCER INSTALLATION

Step 2 – Transducer Spacing

The transmitter can be used with five different transducer types: DTTN, DTTL, DTTH, DTTS and DTTC. Meters that utilize the DTTN, DTTL or DTTH, transducer sets consist of two separate sensors that function as both ultrasonic transmitters and receivers. DTTS and DTTC transducers integrate both the transmitter and receiver into one assembly that fixes the separation of the piezoelectric crystals. DTTN, DTTL and DTTH transducers are clamped on the outside of a closed pipe at a specific distance from each other.

The DTTN, DTTL and DTTH transducers can be mounted in:

• W-Mount where the sound traverses the pipe four times. This mounting method produces the best relative travel time values but the weakest signal strength.

• V-Mount where the sound traverses the pipe twice. V-Mount is a compromise between travel time and signal strength.

• Z-Mount where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. Z-Mount will yield the best signal strength but the smallest relative travel time.

Transducer Mounting Mode Pipe Material Pipe Size Liquid Composition

Plastic (all types)

W-Mount

V-Mount

Z-Mount

Carbon Steel

Stainless Steel

Copper

Ductile Iron

Cast Iron

Plastic (all types)

Stainless Steel

Copper 4…30 in. (100…750 mm)

Ductile Iron

Cast Iron

Plastic (all types) > 30 in. (> 750 mm)

Carbon Steel

Stainless Steel

Copper > 30 in. (> 750 mm)

Ductile Iron

Cast Iron

2…4 in. (50…100 mm)

Not recommended

4…12 in. (100…300 mm)Carbon Steel

Low TSS; non-aerated

2…12 in. (50…300 mm)

> 12 in. (> 300 mm)

TSS = Total Suspended Solids

Table 2: Transducer mounting modes — DTTN, DTTL, and DTTH

For further details, reference Figure 9. The appropriate mounting configuration is based on pipe and liquid characteristics. Selection of the proper transducer mounting method is not entirely predictable and many times is an iterative process.

Table 2 contains recommended mounting configurations for common applications. These recommended configurations may

need to be modified for specific applications if such things as aeration, suspended solids, out of round piping or poor piping conditions are present. Use of the flow meter diagnostics in determining the optimum transducer mounting is covered later in this section.

Page 19 March 2014

TRANSDUCER INSTALLATION

TOP VIEW

OF PIPE

TOP VIEW

OF PIPE

TOP VIEW

OF PIPE

W-Mount V-Mount Z-Mount

Figure 9: Transducer mounting modes — DTTN, DTTL and DTTH

Size Frequency Setting Transducer Mounting Mode

DTTSnP

1/2 2 MHz

3/4 2 MHz

1 2 MHz

1-1/4 2 MHz

1-1/2 2 MHz

1 MHz

2 MHz DTTSnT

DTTS transducer designation refers to both DTTS and DTTC transducer types.

Table 3: Transducer mounting modes — DTTS / DTTC

DTTSnC

DTTSnT

DTTSnP

DTTSnC

DTTSnT

DTTSnP

DTTSnC

DTTSnT

DTTSnP

DTTSnC

DTTSnT

DTTSnP

DTTSnC

DTTSnT

DTTSnP

DTTSnC

For pipes 24 inch (600 mm) and larger the DTTL transducers using a transmission frequency of 500 kHz are recommended.

DTTL transducers may also be advantageous on pipes between 4…24 inches if there are less quantifiable complicating aspects such as – sludge, tuberculation, scale, rubber liners, plastic liners, thick mortar, gas bubbles, suspended solids, emulsions, or pipes that are perhaps partially buried where a V-mount is required/desired, etc.

Page 20 March 2014

TRANSDUCER INSTALLATION

Step 3 – Entering Pipe and Liquid Data

This metering system calculates proper transducer spacing by utilizing piping and liquid information entered by the user. This information can be entered via the keypad on the flow meter or via the optional software utility.

The best accuracy is achieved when transducer spacing is exactly what the flow meter calculates, so the calculated spacing should be used if signal strength is satisfactory. If the pipe is not round, the wall thickness not correct or the actual liquid being measured has a different sound speed than the liquid programmed into the transmitter, the spacing can vary from the calculated value. If that is the case, the transducers should be placed at the highest signal level observed by moving the transducers slowly around the mount area.

OTE:N Transducer spacing is calculated on “ideal” pipe. Ideal pipe is almost never found so the transducer spacing distances

may need to be altered. An effective way to maximize signal strength is to configure the display to show signal strength, fix one transducer on the pipe and then starting at the calculated spacing, move the remaining transducer small distances forward and back to find the maximum signal strength point.

MPORTANTI

Enter all of the data on this list, save the data and reset the flow meter before mounting transducers.

The following information is required before programming the instrument:

Transducer mounting configuration Pipe O.D. (outside diameter)

Pipe wall thickness Pipe material

Pipe sound speed

Pipe relative roughness

Pipe liner thickness (if present) Pipe liner material (if present)

Fluid type Fluid sound speed

Fluid viscosity

Fluid specific gravity

OTE:N Much of the data relating to material sound speed, viscosity and specific gravity is pre-programmed into the flow

meter. This data only needs to be modified if it is known that a particular application’s data varies from the reference values. Refer to STARTUP and CONFIGURATION of this manual for instructions on entering configuration data into the flow meter via the transmitter’s keypad. Refer to INPUTS/OUTPUTS for data entry via the software.

Nominal values for these parameters are included within the meters operating system. The nominal values may be used as

they appear or may be modified if exact system values are known.

After entering the data listed above, the flow meter will calculate proper transducer spacing for the particular data set. This distance will be in inches if the flow meter is configured in English units, or millimeters if configured in metric units.

Step 4 – Transducer Mounting

Pipe Preparation

After selecting an optimal mounting location (Step 1) and successfully determining the proper transducer spacing (Step 2 & 3), the transducers may now be mounted onto the pipe (Step 4).

Before the transducers are mounted onto the pipe surface, an area slightly larger than the flat surface of each transducer must be cleaned of all rust, scale and moisture. For pipes with rough surfaces, such as ductile iron pipe, it is recommended that the pipe surface be wire brushed to a shiny finish. Paint and other coatings, if not flaked or bubbled, need not be removed. Plastic pipes typically do not require surface preparation other than soap and water cleaning.

The DTTN, DTTL, and DTTH transducers must be properly oriented and spaced on the pipe to provide optimum reliability and performance. On horizontal pipes, when Z-Mount is required, the transducers should be mounted 180 radial degrees from one another and at least 45 degrees from the top-dead-center and bottom-dead-center of the pipe. See Figure 10. Also see Z-Mount Transducer Installation. On vertical pipes the orientation is not critical.

The spacing between the transducers is measured between the two spacing marks on the sides of the transducers. These marks are approximately 0.75 inches (19 mm) back from the nose of the DTTN and DTTH transducers, and 1.2 inches (30 mm) back from the nose of the DTTL transducers. See Figure 11.

DTTS and DTTC transducers should be mounted with the cable exiting within ±45 degrees of the side of a horizontal pipe. See

Figure 10. On vertical pipes the orientation does not apply.

Page 21 March 2014

VMOUNT AND WMOUNT INSTALLATION

Top of

Pipe

Top of

Pipe

45°

YES

45°

Flow Meter

Mounting Orientation

2” DTTS and DTTC Transducers

45°

YES

45°

Flow Meter

Mounting Orientation

DTTN, DTTL, and DTTH Transducers

45°

YES

45°

Figure 10: Transducer orientation — horizontal pipes

YES

45°

Top of

Pipe

YES

Flow Meter

Mounting Orientation

DTTS and DTTC Transducers

45°

YES

45°

Alignment

Marks

Figure 11: Transducer alignment marks

VMOUNT AND WMOUNT INSTALLATION

Application of Couplant

For DTTN, DTTL, and DTTH transducers, place a single bead of couplant, approximately 1/2 inch (12 mm) thick, on the flat face of the transducer. See Figure 12. Generally, a silicone-based grease is used as an acoustic couplant, but any grease-like substance that is rated not to “flow” at the temperature that the pipe may operate at will be acceptable. For pipe surface temperature over 130° F (55° C), Sonotemp® (P.N. D002-2011-010) is recommended.

Page 22 March 2014

VMOUNT AND WMOUNT INSTALLATION

½ in.

(12 mm)

Figure 12: Application of couplant

Transducer Positioning

1. Place the upstream transducer in position and secure with a mounting strap. Straps should be placed in the arched groove on the end of the transducer. A screw is provided to help hold the transducer onto the strap. Verify that the transducer is true to the pipe and adjust as necessary. Tighten the transducer strap securely.

2. Place the downstream transducer on the pipe at the calculated transducer spacing. See Figure 13. Apply rm hand pressure. If signal strength is greater than ve, secure the transducer at this location. If the signal strength is not 5 or greater, using rm hand pressure slowly move the transducer both towards and away from the upstream transducer while observing signal strength. Signal strength can be displayed on the ow meter’s display or on the main data screen in the software utility. See Part ve of this manual for details regarding the software utility. Clamp the transducer at the position where the highest signal strength is observed. The factory default signal strength setting is ve, however there are many application specic conditions that may prevent the signal strength from attaining this level. Signal levels less than ve will probably not be acceptable for reliable readings.

OTE:N Signal strength readings update only every few seconds, so it is advisable to move the transducer 1/8 inch, wait, see if

signal is increasing or decreasing and then repeat until the highest level is achieved.

3. If after adjustment of the transducers the signal strength does not rise to above ve, then an alternate transducer mounting method should be selected. If the mounting method was W-Mount, then re-congure the transmitter for

V-Mount, move the downstream transducer to the new spacing distance and repeat Step 4.

OTE:N Mounting of high temperature transducers is similar to

mounting the DTTN/DTTL transducers. High temperature installations require acoustic couplant that is rated not to “flow” at the temperature that will be present on the pipe surface.

OTE:N As a rule, the DTTL should be used on pipes 24 inches and larger

and not used for application on a pipe smaller than 4 inches. Consider application of the DTTL transducers on pipes smaller than 24 inches if there are less quantifiable aspects such as – sludge, tuberculation, scale, rubber liners, plastic liners, thick mortar liners, gas bubbles, suspended solids, emulsions, and smaller pipes that are perhaps partially buried where a V-Mount is required or desired.

Transducer

Spacing

Figure 13: Transducer Positioning

Page 23 March 2014

VMOUNT AND WMOUNT INSTALLATION

DTTS/DTTC Small Pipe Transducer Installation

The small pipe transducers are designed for specific pipe outside diameters. Do not attempt to mount a DTTS/DTTC transducer onto a pipe that is either too large or too small for the transducer. Contact the manufacturer to arrange for a replacement transducer that is the correct size.

DTTS/DTTC installation consists of the following steps:

1. Apply a thin coating of acoustic coupling grease to both halves of the transducer housing where the housing will contact the pipe. See Figure 14.

2. On horizontal pipes, mount the transducer in an orientation such that the cable exits at ±45 degrees from the side of the pipe. Do not mount with the cable exiting on either the top or bottom of the pipe. On vertical pipes the orientation does

not matter. See Figure 10.

3. Tighten the wing nuts or U-bolts so that the acoustic coupling grease begins to ow out from the edges of the transducer or from the gap between the transducer halves. Do not over tighten.

4. If signal strength is less than 5, remount the transducer at another location on the piping system.

1/16 in. (1.5 mm)

Acoustic Couplant

Grease

Figure 14: Application of acoustic couplant — DTTS/DTTC transducers

OTE:N If a DTTS/DTTC small pipe transducer was purchased separately from the flow meter, the following configuration

procedure is required.

Page 24 March 2014

DTTS/DTTC Small Pipe Transducer Conguration Procedure

30.00 ns 2000.00 Gal/Min 1.000

VMOUNT AND WMOUNT INSTALLATION

1. Establish communications with the transit time meter.

2. From the tool bar select Calibration. See Figure 17.

3. On the pop-up screen, press Next twice to get to Page 3 of 3. See Figure 15.

4. Press Edit.

5. If a calibration point is displayed in Calibration Points Editor, record the information, highlight and press

Remove. See Figure 16.

6. Click ADD...

7. Enter Delta T, Un-calibrated Flow, and Calibrated Flow values from the DTTS/DTTC calibration label, the click OK. See Figure 2.10.

8. Press OK in the Edit Calibration Points screen.

9. Process will return to Page 3 of 3. Press Finish. See Figure

15.

10. After Writing Conguration File is complete, turn power o. Turn on again to activate new settings.

UltraLINK Device Addr 127

Conf ig u ration CalibrationS trateg y

Device Addr 127

1350 Gal/Min

Flow:

Pos:

Neg:

0 OB 0 OB 0 OB

15.6% 100%

- 2.50 ns 09:53:39

Totalizer Net:

Sig. Strength:

Margin:

Delta T:

Last Update:

Figure 17: Data display screen

E rrors

2000

1600

1200

H elpW indowCom m u nicationsV iewE ditFile

P rint P rev ieP rint

S cale:60 MinTim e:

200

Calibration (Page 3 of 3) - Linearization

28 .2

Gal/M

Figure 15: Calibration points editor

Calibration Points Editor

S elect p oint( s) to edit or rem ov e:

30.00 ns 2000.00 Gal/Min 1.000

Figure 16: Calibration page 3 of 3

Model: DTTSJP-050-N000-N S/N: 39647 Delta-T: 391.53nS

Uncal. Flow: 81.682 GPM

Cal. Flow: 80 GPM

Figure 18: Edit calibration points

Delta Tim e

Edit Calibration Points

Cancel

Uncalibrated Flow:

Calibrated Flow:

< B ack

Delta T:

1) P lease establish a ref erence flow rate.

1FP S / 0.3MP S Minim u m .

2) E nter th e reference f low rate below. ( Do not enter 0)

3) W ait for f low to stabiliz e. 4 ) P ress th e S et bu tton.

Flow:

S et

E dit

E x p ort...

CancelFile Op en... File S av e...

Finish

A dd...

E dit...

R em ov e

S elect A ll

S elect N one

391.53

81.682

80.000

Cancel

Gal/Min.

Mounting Transducers in Z-Mount Conguration

Installation on larger pipes requires careful measurements of the linear and radial placement of the DTTN, DTTL, and DTTH transducers. Failure to properly orient and place the transducers on the pipe may lead to weak signal strength and/or inaccurate readings. This section details a method for properly locating the transducers on larger pipes. This method requires a roll of paper such as freezer paper or wrapping paper, masking tape and a marking device.

1. Wrap the paper around the pipe in the manner shown in Figure 19. Align the paper ends to within 1/4 inch (6 mm).

2. Mark the intersection of the two ends of the paper to indicate the circumference. Remove the template and spread it out on a at surface. Fold the template in half, bisecting the circumference. See Figure 20.

3. Crease the paper at the fold line. Mark the crease. Place a mark on the pipe where one of the transducers will be located. See Figure 10 for acceptable radial orientations. Wrap the template back around the pipe, placing the beginning of the

paper and one corner in the location of the mark. Move to the other side of the pipe and mark the pipe at the ends of the crease. Measure from the end of the crease (directly across the pipe from the rst transducer location) the dimension derived in Step 2, Transducer Spacing. Mark this location on the pipe.

Page 25 March 2014

VMOUNT AND WMOUNT INSTALLATION

4. The two marks on the pipe are now properly aligned and measured. If access to the bottom of the pipe prohibits the wrapping of the paper around the circumference, cut a piece of paper 1/2 the circumference of the pipe and lay it over the top of the pipe. The length of 1/2 the circumference can be found by:

½ Circumference = Pipe O.D. × 1.57

The transducer spacing is the same as found in the Transducer Positioning section. Mark opposite corners of the paper on the pipe. Apply transducers to these two marks.

Edge of

Paper

Line Marking

Circumference

Fold

Pipe Circumference

LESS THAN ¼” (6 mm)

Figure 19: Paper template alignment

5. For DTTN, DTTL, and DTTH transducers, place a single bead of couplant, approximately 1/2 inch (12 mm) thick,

on the at face of the transducer. See Figure 12. Generally, a silicone-based grease is used as an acoustic couplant, but any good quality grease-like substance that is rated to not ow at the temperature that the pipe may operate at will be acceptable.

6. Place the upstream transducer in position and secure with a stainless steel strap or other fastening device. Straps should be placed in the arched groove on the end of the transducer. A screw is provided to help hold the transducer onto the strap. Verify that the transducer is true to the pipe, adjust as necessary. Tighten transducer strap securely. Larger pipes may require more than one strap to reach the circumference of the pipe.

7. Place the downstream transducer on the pipe at the calculated transducer spacing. See Figure 21. Using rm

hand pressure, slowly move the transducer both towards and away from the upstream transducer while observing signal strength. Clamp the transducer at the position where the highest signal strength is observed. Signal strength of between 5…98 is acceptable. The factory default signal strength setting is 5, however there are many application specic conditions that may prevent the signal strength from attaining this level

Transducer

Spacing

Crease

(Center of Pipe)

Figure 20: Bisecting the pipe circumference

TOP VIEW

OF PIPE

Figure 21: Z-Mount transducer placement

Page 26 March 2014

VMOUNT AND WMOUNT INSTALLATION

8. A minimum signal strength of 5 is acceptable as long as this signal level is maintained under all ow conditions.

On certain pipes, a slight twist to the transducer may cause signal strength to rise to acceptable levels. Certain pipe and liquid characteristics may cause signal strength to rise to greater than 98. The problem with operating this meter with very high signal strength is that the signals may saturate the input ampliers and cause erratic readings. Strategies for lowering signal strength would be changing the transducer mounting method to the next longest transmission path. For example, if there is excessive signal strength and the transducers are mounted in a Z-Mount, try changing to V-Mount or W-Mount. Finally you can also move one transducer slightly o line with the other transducer to lower signal strength.

9. Secure the transducer with a stainless steel strap or other fastener.

Mounting Track Installation

1. A convenient transducer mounting track can be used for pipes that have outside diameters between two and ten inches

(50 … 250 mm). If the pipe is outside of that range, select a V-Mount or Z-Mount mounting method.

2. Install the single mounting rail on the side of the pipe with the stainless steel bands provided. Do not mount it on the top

or bottom of the pipe. Orientation on vertical pipe is not critical. Ensure that the track is parallel to the pipe and that all four mounting feet are touching the pipe.

3. Slide the two transducer clamp brackets towards the center mark on the mounting rail.

4. Place a single bead of couplant, approximately 1/2 inch (12 mm) thick, on the at face of the transducer. See Figure 12.

5. Place the rst transducer in between the mounting rails near the zero point on the scale. Slide the clamp over the

transducer. Adjust the clamp/transducer such that the notch in the clamp aligns with zero on the scale. See Figure 22.

6. Secure with the thumb screw. Ensure that the screw rests in the counter bore on the top of the transducer. (Excessive

pressure is not required. Apply just enough pressure so that the couplant lls the gap between the pipe and transducer.)

7. Place the second transducer in between the mounting rails near the dimension derived in the transducer spacing section.

Read the dimension on the mounting rail scale. Slide the transducer clamp over the transducer and secure with the thumb screw.

Top View

of Pipe

Figure 22: Mounting track installation

Page 27 March 2014

INPUTS/OUTPUTS

General

The flow metering system is available in two general configurations. There is the standard flow meter model that is equipped with a 4-20 mA output, two open collector outputs, a rate frequency output, and RS485 communications using the Modbus RTU command set.

The energy version of the flow metering family has inputs for two 1000 Ohm RTD sensors in place of the rate frequency and alarm outputs. This version allows the measurement of pipe input and output temperatures so energy usage calculations can be performed.

4-20 mA Output

The 4-20 mA output interfaces with most recording and logging systems by transmitting an analog current signal that is proportional to system flow rate. The 4-20 mA output is internally powered (current sourcing) and can span negative to positive flow/energy rates.

For AC powered units, the 4-20 mA output is driven from a 15V DC source located within the meter. The source is isolated from earth ground connections within the flow meter. The AC powered model can accommodate loop loads up to 400 Ohms. DC powered meters utilize the DC power supply voltage to drive the current loop. The current loop is not isolated from DC ground or power. Figure 23 shows graphically the allowable loads for various input voltages. The combination of input voltage and loop load must stay within the shaded area of Figure 23.

Supply Voltage - 7 VDC

0.02

= Maximum Loop Resistance

1100

1000

900

800

700

600

500

400

Loop Load (Ohms)

300

Operate in the

Shaded Regions

200

100

10 12 14 16 18 20 22 24 26 28

Supply Voltage (VDC)

Figure 23: Allowable loop resistance (DC powered units)

Page 28 March 2014

INPUTS/OUTPUTS

90-265 VAC

Loop

Resistance

Figure 24: 4-20 mA output

AC Neutral

Signal Gnd.

Control 1

Control 2

Frequency Out

4-20 mA Out

Reset Total

Signal Ground

Meter Power

7 VDC

Drop

The 4-20 mA output signal is available between the 4-20 mA Out and Signal Gnd terminals as shown in Figure 24.

Control Outputs [Flow Only Version]

Two independent open collector transistor outputs are included with the flow only model. Each output can be configured for one of the following four functions:

Rate Alarm

Signal Strength Alarm

1 2 3 4

Totalizing/Totalizing Pulse

Errors

None

Figure 25: Switch settings

Both control outputs are rated for a maximum of 100 mA and 10…28V DC. A pullup resistor can be added externally or an internal 10k Ohm pullup resistor can be selected using DIP switches on the power supply board.

Switch S1 S2 S3 S4

Off

Control 1 Pullup

Resistor IN circuit

Control 1 Pullup

Resistor OUT of circuit

Control 2 Pullup

Resistor IN circuit

Control 2 Pullup

Resistor OUT of circuit

Table 4: Dip switch functions

Frequency output Pullup Resistor IN circuit

Frequency Output Pullup Resistor OUT of circuit

Square Wave Output

Simulated Turbine Output

OTE:N All control outputs are disabled when USB cable is connected.

For the Rate Alarm and Signal Strength Alarm the on/off values are set using either the keypad or the software utility.

Typical control connections are illustrated in Figure 26. Please note that only the Control 1 output is shown. Control 2 is identical except the pullup resistor is governed by SW2.

VCC

90-265 VAC AC Neutral Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total

1 2 3 4

10k

SW1/SW2

Figure 26: Typical control connections

10…28

VDC

100 mA Maximum

90-265 VAC AC Neutral Signal Gnd. Control 1 Control 2 Frequency Out 4-20 mA Out Reset Total

1 2 3 4

SW1/SW2

Page 29 March 2014

ALARM OUTPUTS

The flow rate output permits output changeover at two separate flow rates allowing operation with an adjustable switch deadband. Figure 27 illustrates how the setting of the two set points influences rate alarm operation.

A single-point flow rate alarm would place the ON setting slightly higher than the OFF setting allowing a switch deadband to be established. If a deadband is not established, switch chatter (rapid switching) may result if the flow rate is very close to the switch point.

Minimum

Flow

Set OFF

Set ON

Output ON

Maximum

Flow

Output OFF

Deadband

Figure 27: Single point alarm operation

OTE:N All control outputs are disabled when USB cable is connected.

Batch/Totalizer Output for Flow Only Version

Totalizer mode configures the output to send a 100 mSec pulse each time the display totalizer increments divided by the TOT MULT. The TOT MULT value must be a whole, positive, numerical value. This output is limited to 1 Hz maximum.

For example, if the totalizer exponent TOTL E is set to E0 ×1 and the totalizer multiplier TOT MULT is set to 1, then the output will pulse each time the totalizer increments one count, or each single, whole measurement unit totalized.

If the totalizer exponent TOTL E is set to E2 ×100 and the totalizer multiplier TOT MULT is set to 1, then the control output will pulse each time the display totalizer increments or once per 100 measurement units totalized.

If the totalizer exponent TOTL E is set to E0 ×1 and the totalizer multiplier TOT MULT is set to 2, the control output will pulse once for every two counts that the totalizer increments.

Totalizer Output Option for Energy Meter

Energy units can be ordered with a totalizer pulse output option. This option is installed in the position where the Ethernet option would normally be installed.

Optional Totalizing Pulse Specifications

Optional Energy Usage Totalizing Pulse Output

Signal One pulse for each increment of the totalizers least significant digit. Type Opto-isolated, open collector transistor Pulse Width Voltage 28V DC maximum.

Current

Pullup Resistor

OTE:N The totalizer pulse output option and the Ethernet communications output can not be installed in the same energy

unit at the same time.

Page 30 March 2014

30 mSec, maximum pulse rate 16 Hz.

100 mA maximum (current sink).

2.8 …10 k Ohms

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Dynasonics TFX User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual