VorTek Pro-V M22, Pro-V M23, Pro-V M24, Turbo-Pro, Pro-T Instruction Manual

Series M22/M23/M24 Instruction Manual Table of Contents

M-000-00010 0-1

VorTek Series M22, M23 and M24

Pro-V™ Vortex Volumetric and Mass Flow Meters

Instruction Manual

Document Number M-000-00010

Rev 8/2018

8475 W I-25 Frontage Rd

Suite 300

Longmont, CO 80504

[phone] [phone] Fax [phone]

http://www.vortekinst.com

Table of Contents Series M22/M23/M24 Instruction Manual

0-2 M-000-00010

Customer Notice for Oxygen Service

Unless you have specifically ordered VorTek’s optional O

2

cleaning, this flow me­ter may not be fit for oxygen service. Some models can only be properly cleaned
during the manufacturing process. VorTek Instruments, LLC., is not liable for any
damage or personal injury, whatsoever, resulting from the use of VorTek Instru­ments standard mass flow meters for oxygen gas.

Specific Conditions of Use

(ATEX/IECEx)

Contact Manufacturer regarding Flame path information.
Clean with a damp cloth to avoid any build-up of electrostatic charge.
The Model M22, M23, M24 and Pro-VTM Multivariable Mass Vortex Flowmeters

standard temperature option (ST) process temperature range is -40°C to 260°C.
The high temperature option (HT) process temperature range is -40°C up to
+400°C.

Pro-VTM Multivariable Mass Vortex Flowmeters

Tmax
(Process)

Temperature Class Value (Gas)

ST Version

HT Version

80°C

T6

85°C

95°C

T5

100°C

130°C

T4

135°C

195°C

T3

200°C

260°C

T2

300°C

400°C

N / A

405°C

Notice to Users
Warning based on Electric Appliances Safety Control Act of Korea. This product

should be handled as electromagnetic radiation emitting equipment, and is in-

tended for use by industrial dealers and end-users. It is not for residential use.

NIST Standard Reference Database 23, NIST Reference Fluid Thermodynamic and
Transport Properties: REFPROP Version 9.x. Standard Reference Databases are copy­righted by the U.S. Secretary of Commerce on behalf of the United States of America. All
rights reserved. No part of the database may be reproduced, stored in a retrieval system
or transmitted, in any form or by any means, electronic, mechanical, photocopying, record­ing or otherwise without prior permission.

Series M22/M23/M24 Instruction Manual Table of Contents

M-000-00010 0-3

© COPYRIGHT VORTEK INSTRUMENTS 2018
No part of this publication may be copied or distributed, transmitted, transcribed, stored in
a retrieval system, or translated into any human or computer language, in any form or by
any means, electronic, mechanical, manual, or otherwise, or disclosed to third parties
without the express written permission of VorTek Instruments. The information contained
in this manual is subject to change without notice.

TRADEMARKS
Pro-V™ is a trademark of VorTek Instruments, LLC. Other product and company names
listed in this manual are trademarks or trade names of their respective manufacturers.

Table of Contents Series M22/M23/M24 Instruction Manual

0-4 M-000-00010

Table of Contents

Chapter 1 Introduction

Pro-V™ Vortex Mass Flow Meters ..................................................... 1-1

Using this Manual ......................................................................... 1-1

Note and Safety Information ......................................................... 1-2

Receipt of System Components .................................................... 1-2

Technical Assistance ..................................................................... 1-2

How the Pro-V Vortex Meter Operates ............................................... 1-3

Velocity Measurement .................................................................. 1-3

Vortex Shedding Frequency .......................................................... 1-4

Vortex Frequency Sensing ............................................................ 1-4

Flow Velocity Range ..................................................................... 1-5

Pressure Drop ................................................................................ 1-6

Minimum Back Pressure ............................................................... 1-6

Temperature Measurement ............................................................ 1-7

Pressure Measurement ................................................................... 1-7

Flow Meter Configurations .................................................................. 1-8

Multivariable Options ................................................................... 1-8

Line Size / Process Conditions / Materials .................................... 1-9

Flow Meter Electronics ................................................................. 1-9

Chapter 2 Installation

Installation Overview ........................................................................... 2-1

Flow Meter Installation Requirements .......................................... 2-1

Unobstructed Flow Requirements ................................................. 2-2

Recommended Meter Locations .................................................... 2-3

Series M22 and M24 In-Line Flow Meter Installation ........................ 2-4

Wafer-Style Flow Meter Installation ............................................. 2-5

Flange-Style Flow Meter Installation ............................................ 2-6

Series M23 Insertion Flow Meter Installation ..................................... 2-7

Cold Tap Guidelines ...................................................................... 2-8

Hot Tap Guidelines ....................................................................... 2-9

Flow Meter Insertion ......................................................................... 2-11

Installing Meters with a Compression Connection ..................... 2-12

Installing Meters with a Packing Gland Connection ................... 2-14

Installing Meters (Packing Gland), No Insertion Tool ................ 2-17

Adjusting Meter Orientation .............................................................. 2-19

Display/Keypad Adjustment ....................................................... 2-19

Enclosure Adjustment ................................................................. 2-20

Loop Power Flow Meter Wiring Connections ................................... 2-21

Input Power Connections ............................................................ 2-21

4-20 mA Output Connections ..................................................... 2-22

Pulse Output Connections ........................................................... 2-23

Frequency Output Connections ................................................... 2-24

Optional Backlight Connections ................................................. 2-24

Remote Electronics Wiring ......................................................... 2-25

High Power Flow Meter Wiring Connections ................................... 2-27

Input Power Connections ............................................................ 2-27

Series M22/M23/M24 Instruction Manual Table of Contents

M-000-00010 0-5

4-20 mA Output Connections ..................................................... 2-29

Frequency Output Connections ................................................... 2-30

Pulse Output Connections ........................................................... 2-31

Alarm Output Connections .......................................................... 2-33

Remote Electronics Wiring ......................................................... 2-34

Optional Input Electronics Wiring .............................................. 2-35

Optional Energy EMS RTD Input Wiring .................................. 2-35

Optional External 4-20 mA Input Wiring ................................... 2-36

Optional Contact Closure Input Wiring ...................................... 2-37

Chapter 3 Operating Instructions

Flow Meter Display/Keypad ................................................................ 3-1

Start Up ................................................................................................ 3-2

Run Mode Screens ............................................................................... 3-3

Using the Setup Menus ........................................................................ 3-4

Programming the Flow Meter ....................................................... 3-5

Output Menu ................................................................................. 3-6

Display Menu ................................................................................ 3-8

Alarms Menu ................................................................................. 3-9

Totalizer #1 Menu ....................................................................... 3-10

Totalizer #2 Menu ....................................................................... 3-11

Energy Menu ....................................................................... 3-12

Fluid Menu .................................................................................. 3-13

Units Menu .................................................................................. 3-14

Time and Date Menu ................................................................... 3-15

Diagnostics Menu ........................................................................ 3-16

Calibration Menu......................................................................... 3-17

Password Menu ........................................................................... 3-18

Chapter 4 Serial Communications

HART Communications ...................................................................... 4-1

Wiring ........................................................................................... 4-1

HART Commands with the DD Menu .......................................... 4-3

HART Commands with Generic DD Menu .................................. 4-8

MODBUS Communications ................................................................ 4-9

Wiring ........................................................................................... 4-9

Menu Items .................................................................................. 4-10

Register Definitions..................................................................... 4-12

BACnet MSTP Communications ....................................................... 4-19

BACnet MSTP Description ......................................................... 4-19

Baud Rates on the MS/TP Bus .................................................... 4-19

Supported BACnet Objects ......................................................... 4-20

ANNEX - BACnet Protocol Implementation Conformance

Statement ..................................................................................... 4-26

Acronyms and Definitions .......................................................... 4-32

Chapter 5 Troubleshooting and Repair

Hidden Diagnostics Menus .................................................................. 5-1

Level One Hidden Diagnostics Values ......................................... 5-3

Table of Contents Series M22/M23/M24 Instruction Manual

0-6 M-000-00010

Level Two Hidden Diagnostics Values ......................................... 5-4

Analog Output Calibration .................................................................. 5-7

Display Contrast Adjustment .............................................................. 5-7

Troubleshooting the Flow Meter ......................................................... 5-8

First Check Items ................................................................................. 5-8

Record Values ...................................................................................... 5-8

Determine the Fault ............................................................................. 5-9

Symptom: Output at no Flow ........................................................ 5-9

Symptom: Erratic Output .............................................................. 5-9

Symptom: No Output .................................................................. 5-11

Symptom: Meter Displays Temperature Fault ............................ 5-12

Symptom: Meter Displays Pressure Fault ................................... 5-13

Electronics Assembly Replacement ................................................... 5-14

Pressure Sensor Replacement (Series M22 and M24 Only) ............. 5-15

Returning Equipment to the Factory .................................................. 5-15

Appendix A Product Specifications

Appendix B Approvals

Appendix C Flow Meter Calculations

Appendix D Glossary

Figures

1-1. In-Line Vortex Multi-Parameter Mass Flow Meter ................ 1-3

1-2. Measurement Principle of Vortex Flow Meters ...................... 1-4

1-3. Reynolds Number Range of the Pro-V ................................... 1-6

2-1. Recommended Pipe Length Required for Installation ............ 2-2

2-2. Flange Bolt Torquing Sequence ............................................. 2-3

2-3. Wafer-Style Flow Meter Installation ...................................... 2-4

2-4. Flange-Style Flow Meter Installation ..................................... 2-5

2-5. Hot Tap Sequence ................................................................... 2-9

2-6. Insertion Calculation (Compression Type) ........................... 2-11

2-7. Flow Meter with Compression Type Fitting ......................... 2-12

2-8. Insertion Calculation (Meters with Insertion Tool) .............. 2-13

2-9. Flow Meter with Permanent Insertion Tool .......................... 2-14

2-10. Flow Meter with Removable Insertion Tool ......................... 2-15

2-11. Insertion Calculation (Meters without Insertion Tool) ......... 2-16

2-12. Display/Keypad Viewing Adjustment .................................. 2-18

2-13. Enclosure Viewing Adjustment ............................................ 2-19

2-14. Loop Power Wiring Terminals ............................................. 2-20

2-15. DC Power Connections ......................................................... 2-20

2-16. Load Resistance Versus Input Voltage ................................. 2-21

2-17. Isolated Pulse Output Using External Power Supply ........... 2-22

2-18. Non-Isolated Pulse Output Using External Power Supply ... 2-22

Series M22/M23/M24 Instruction Manual Table of Contents

M-000-00010 0-7

2-19. Isolated Frequency Output Using External Power Supply ... 2-23

2-20. Non-Isolated Freq. Out. Using External Power Supply ........ 2-23

2-21. Backlight Using External Power Supply .............................. 2-23

2-22. Loop Power Volumetric Flowmeter Junction Box ............... 2-24

2-23. Loop Power Volumetric Flowmeter Junction Box Prior ...... 2-25

2-24. Loop Power Mass Flowmeter Junction Box ......................... 2-25

2-25. AC Wiring Terminals ........................................................... 2-26

2-26. AC Power Connections ......................................................... 2-26

2-27. DC Wiring Terminals ........................................................... 2-27

2-28. DC Power Connections ......................................................... 2-27

2-29. Load Resistance Versus Input Voltage ................................. 2-28

2-30. Isolated 4-20 Output Using External Power Supply ............. 2-28

2-31. Non-Isolated 4-20 Output Using Input Power Supply .......... 2-29

2-32. Isolated 4-20 Output Using Meter Power Supply (AC only) 2-29
2-33. Isolated Frequency Output Using External Power Supply ... 2-30
2-34. Non-Isolated Frequency Output Using Input Power Supply 2-30

2-35. Isolated Freq. Out. Using Meter Power Sup. (AC only) ....... 2-30

2-36. Isolated Pulse Output Using External Power Supply ........... 2-31

2-37. Non-Isolated Pulse Output Using Input Power Supply ........ 2-31

2-38. Isolated Pulse Output Using Meter Power Sup. (AC only) .. 2-31

2-39. Isolated Alarm Output Using External Power Supply .......... 2-32

2-40 Non-Isolated Alarm Output Using Meter Power Supply ...... 2-32

2-41 Isolated Alarm Output Using Meter Power Sup. (AC only) 2-33

2-42 High Power Flow Meter Junction Box ................................ 2-33

2-43. Optional Energy EMS RTD Input Wiring ............................ 2-34

2-44. External 4-20 mA Input Wiring – External Power Supply ... 2-35

2-45. External 4-20 mA Input Wiring – DC Powered Meter ......... 2-35

2-46. External 4-20 mA Input Wiring – AC Powered Meter ......... 2-36

2-47. Optional External Contact Closure Input Wiring ................. 2-36

3-1. Flow Meter Display/Keypad ................................................... 3-1

4-1. Loop Powered Meter Wiring (HART) .................................... 4-1

4-2. DC Powered Meter Wiring (HART) ...................................... 4-2

4-3. AC Powered Meter Wiring (HART) ...................................... 4-2

4-4. RS-485 Wiring (MODBUS) ................................................... 4-9

5-1. Electronics Stack Sensor Connections .................................. 5-10

5-2. Remote Feed Through Board Sensor Connections ............... 5-11

5-3. Vortex Sensor Connector ...................................................... 5-11

5-4. Temperature Sensor Connector ............................................ 5-12

5-5. Pressure Sensor Connector ................................................... 5-13

Tables

4-1. Byte Order (MODBUS) ........................................................ 4-11

4-2. Register Definitions (MODBUS) ......................................... 4-13

Table of Contents Series M22/M23/M24 Instruction Manual

0-8 M-000-00010

Warnings and Cautions

Warning!

Consult the flow meter nameplate for specific flow meter approvals before any hazardous
location installation.

Hot tapping must be performed by a trained professional. U.S. regulations often require a
hot tap permit. The manufacturer of the hot tap equipment and/or the contractor perform­ing the hot tap is responsible for providing proof of such a permit.

All flow meter connections, isolation valves and fittings for cold/hot tapping must have the
same or higher pressure rating as the main pipeline.

For Series M23 insertion flow meter installations, an insertion tool must be used for any
installation where a flow meter is inserted under pressure greater than 50 psig.

To avoid serious injury, DO NOT loosen a compression fitting under pressure.

To avoid potential electric shock, follow National Electric Code or your local code when
wiring this unit to a power source. Failure to do so could result in injury or death. All AC
power connections must be in accordance with published CE directives. All wiring proce­dures must be performed with the power Off.

Before attempting any flow meter repair, verify that the line is not pressurized. Always
remove main power before disassembling any part of the mass flow meter.

Caution!

Calibration must be performed by qualified personnel. VorTek Instruments, Inc., strongly
recommends that you return your flow meter to the factory for calibration.

In order to achieve accurate and repeatable performance, the flow meter must be in­stalled with the specified minimum length of straight pipe upstream and downstream of
the flow meter’s sensor head.

When using toxic or corrosive gases, purge the line with inert gas for a minimum of four
hours at full gas flow before installing the flow meter.

For Series M23 insertion flow meter installations, the sensor alignment pointer must point
downstream in the direction of flow.

The AC wire insulation temperature rating must meet or exceed 85°C (185°F)

Series M22/M23/M24 Instruction Manual Table of Contents

M-000-00010 0-9

Revision History

Rev. 2/2018 to 8/2018

Page Change Description

0-2 Changed Model M22 Pro-V

TM

Multivariable Mass Vortex Flowmeters to

Pro-VTM Multivariable Mass Vortex Flowmeters

2-37 Added Figure 2-47 External 4-20 mA Input and RTD Wiring – Loop

Power

2-38 Added Figure 2-48 External 4-20 mA Input and RTD Wiring – High

Power

2-38 Added Figure 2-49 Energy EMS External 4-20 mA Input and RTD Wir-

ing – High Power
2-39 Changed the title of Figure 2-47 to Figure 2-50
A-3 Changed PN64 to PN63
A-4 Changed PN64 to PN63
A-5 Changed PN64 to PN63
A-7 Changed PN64 to PN63
A-10 Changed C64 to C63 and P64R to P63R
A-10 Changed PN64 to PN63

Table of Contents Series M22/M23/M24 Instruction Manual

0-10 M-000-00010

Series M22/M23/M24 Instruction Manual Chapter 1 Introduction

M-000-00010 1-1

Chapter 1 Introduction

Pro-V™ Multi-Parameter Vortex Mass Flow Meters

The VorTek Instruments’ Series M22/M24 In-Line and the Series M23

Insertion Pro-V™ Vortex Flow Meters provide a reliable solution for

process flow measurement. From a single entry point in the pipeline,

Pro-V meters offer precise measurements of mass or volumetric flow

rates.

Multi-Parameter Mass Flow Meters

Mass flow meters utilize three primary sensing elements: a vortex shed-

ding velocity sensor, an RTD temperature sensor, and a solid state pres-

sure sensor to measure the mass flow rate of gases, liquids, and steam.

Meters are available as loop powered devices or with up to three 4-20

mA analog output signals for monitoring your choice of the five process

variables (mass flow, volumetric flow, temperature, pressure and fluid

density). The Energy Monitoring option permits real-time calculation of

energy consumption for a facility or process.

Volumetric Flow Meters

The primary sensing element of a volumetric flow meter is a vortex

shedding velocity sensor. Meters are loop powered. The analog 4-20

mA output signal offers your choice of volumetric or mass flow rate.

Mass flow rate is based on a constant value for fluid density stored in the

instrument’s memory.

Both the mass and volumetric flow meters can be ordered with a local

keypad/display which provides instantaneous flow rate, total, and process

parameters in engineering units. A pulse output signal for remote totali-

zation and MODBUS, HART, or BACnet communications are also

available. Pro-V digital electronics allows for easy reconfiguration for

most gases, liquids and steam. The VorTek Series M22, M23, and M24

Pro-V Meters’ simple installation combines with an easy-to-use interface

that provides quick set up, long term reliability and accurate mass flow

measurement over a wide range of flows, pressures and temperatures.

Using This Manual

This manual provides information needed to install and operate both the

Series M22/M24 In-Line and Series M23 Insertion Pro-V Flow Meters.

• Chapter 1 includes the introduction and product description

• Chapter 2 provides information needed for installation

• Chapter 3 describes system operation and programming

• Chapter 4 information on HART, MODBUS, and BACnet protocols

• Chapter 5 covers troubleshooting and repair

Appendix A - Product Specifications, Appendix B – Approvals,

Appendix C – Flow Meter Calculations, Appendix D – Glossary of

Terms

Chapter 1 Introduction Series M22/M23 Instruction Manual

1-2 M-000-00010

Note and Safety Information

We use note, caution and warning statements throughout this book to
draw your attention to important information.

Warning!

Caution!

Note

This statement appears with
information that is important to
protect people and equipment
from damage. Pay very close
attention to all warnings that
apply to your application.

This statement appears with
information that is important
for protecting your equipment
and performance. Read and
follow all cautions that apply
to your application.

This statement appears with
a short message to alert you
to an important detail.

Receipt of System Components

When receiving a VorTek mass flow meter, carefully check the outside
packing carton for damage incurred in shipment. If the carton is dam­aged, notify the local carrier and submit a report to the factory or distrib­utor. Remove the packing slip and check that all ordered components are
present. Make sure any spare parts or accessories are not discarded with
the packing material. Do not return any equipment to the factory without
first contacting VorTek Customer Service.

Technical Assistance

If you encounter a problem with your flow meter, review the configura­tion information for each step of the installation, operation and set up pro­cedures. Verify that your settings and adjustments are consistent with fac­tory recommendations. Refer to Chapter 5, Troubleshooting, for specific
information and recommendations.

If the problem persists after following the troubleshooting procedures
outlined in Chapter 5, contact VorTek Instruments, Technical Support
Via Email at [email protected] or by phone at [phone] or
[phone] between 8:00 a.m. and 5:00 p.m. MST. When calling
Technical Support, have the following information on hand:

• the serial number and VorTek order number (all marked on

the meter nameplate)

• the problem you are encountering and any corrective action

taken

• application information (fluid, pressure, temperature and

piping configuration)

Series M22/M23/M24 Instruction Manual Chapter 1 Introduction

M-000-00010 1-3

How the Pro-V Vortex Mass Flow Meter Operates

Figure 1-1. In-Line Vortex Multi-Parameter Mass Flow Meter

VorTek Series M22, M23, and M24 Pro-V™ Multi-Parameter Vortex

Mass Flow Meters use a unique sensor head to monitor mass flow rate by

directly measuring three variables–fluid velocity, temperature and pres-

sure. The built-in flow computer calculates the mass flow rate and volu-

metric flow rate based on these three direct measurements. The velocity,

temperature and pressure sensing head is built into the vortex meter’s

flow body. To measure fluid velocity, the flow meter incorporates a bluff

body (shedder bar) in the flow stream and measures the frequency of vor-

tices created by the shedder bar. Temperature is measured using a plati-

num resistance temperature detector (PRTD). Pressure measurement is

achieved using a solid-state pressure transducer. All three elements are

combined into an integrated sensor head assembly located downstream

of the shedder bar within the flow body.

Velocity Measurement

The Pro-V vortex velocity sensor is a patented mechanical design that

minimizes the effects of pipeline vibration and pump noise, both of which

are common error sources in flow measurement with vortex flow meters.

The velocity measurement is based on the well-known Von Karman vor-

tex shedding phenomenon. Vortices are shed from a shedder bar, and the

vortex velocity sensor located downstream of the shedder bar senses the

passage of these vortices. This method of velocity measurement has many

advantages including inherent linearity, high turndown, reliability and

simplicity.

Chapter 1 Introduction Series M22/M23 Instruction Manual

1-4 M-000-00010

Vortex Shedding Frequency

Von Karman vortices form downstream of a shedder bar into two distinct
wakes. The vortices of one wake rotate clockwise while those of the oth­er wake rotate counterclockwise. Vortices generate one at a time, alter­nating from the left side to the right side of the shedder bar. Vortices in­teract with their surrounding space by over-powering every other nearby
swirl on the verge of development. Close to the shedder bar, the distance
(or wave length) between vortices is always constant and measurable.
Therefore, the volume encompassed by each vortex remains constant, as
shown below. By sensing the number of vortices passing by the velocity
sensor, the Pro-V™ Flow Meter computes the total fluid volume.

Figure 1-2. Measurement Principle of Vortex Flow Meters

Vortex Frequency Sensing

The velocity sensor incorporates a piezoelectric element that senses the
vortex frequency. This element detects the alternating lift forces pro­duced by the Von Karman vortices flowing downstream of the vortex
shedder bar. The alternating electric charge generated by the piezoelec­tric element is processed by the transmitter’s electronic circuit to obtain
the vortex shedding frequency. The piezoelectric element is highly sensi­tive and operates over a wide range of flows, pressures and temperatures.

Series M22/M23/M24 Instruction Manual Chapter 1 Introduction

M-000-00010 1-5

Re =

 V D



Flow Velocity Range

To ensure trouble-free operation, vortex flow meters must be correctly

sized so that the flow velocity range through the meter lies within the

measurable velocity range (with acceptable pressure drop) and the linear

range.

The measurable range is defined by the minimum and maximum velocity

using the following table.

Gas

Liquid

Vmin

25



ft/s

1 ft/s

English  (lb/ft3)

Vmax

0.5 in

0.75 in
1 in

1.5 in and
greater

175 ft/s
250 ft/s
250 ft/s
300 ft/s

30 ft/s
30 ft/s
30 ft/s
30 ft/s

Vmin

37



m/s

0.3 m/s

Metric  (kg/m3)

Vmax
DN15
DN20
DN25
DN40 and
greater

53 m/s
76 m/s
76 m/s
91 m/s

9.1 m/s

9.1 m/s

9.1 m/s

9.1 m/s

The linear range is defined by the Reynolds number. The Reynolds number is the
ratio of the inertial forces to the viscous forces in a flowing fluid and is defined
as:

Where

Re = Reynolds Number

 = mass density of the fluid being measured

V = velocity of the fluid being measured

D = internal diameter of the flow channel

 = viscosity of the fluid being measured

Chapter 1 Introduction Series M22/M23 Instruction Manual

1-6 M-000-00010

The Strouhal number is the other dimensionless number that quantifies the vortex
phenomenon. The Strouhal number is defined as:

St = f d
V

Where

St = Strouhal Number
f = frequency of vortex shedding
d = shedder bar width
V = fluid velocity

As shown in Figure 1-3, Pro-V™ meters exhibit a constant Strouhal number
across a large range of Reynolds numbers, indicating a consistent linear output
over a wide range of flows and fluid types. Below this linear range, the intelligent
electronics in Pro-V automatically corrects for the variation in the Strouhal num-

ber with the Reynolds number. The meter’s smart electronics corrects for this

non-linearity via its simultaneous measurements of the process fluid temperature
and pressure. This data is then used to calculate the Reynolds number in real
time. Pro-V meters automatically correct down to a Reynolds number of 5,000.

Figure 1-3. Reynolds Number Range for the Pro-V

Pressure Drop

The pressure drop for series M23 insertion meters is negligible. The pressure drop
for series M22/M24 in-line meters is defined as:

P = .00024  V

2

English units (P in psi,  in lb/ft3, V in ft/sec)

P = .000011  V

2

Metric units (P in bar,  in kg/m3, V in m/sec)

Minimum Back Pressure

A minimum back pressure is required to prevent cavitation in the vortex
flow meter when installed in liquid applications. Cavitation is a phenom­enon wherein a liquid passing through a low pressure zone no longer can
remain in the liquid phase and therefore partially flashes (or “boils”) into

0.3

0.2

0.1

0.0

3 4

10

Linear range

Rey nolds Number, Re

Strouhal Number, St

10

5

10 10

8

10

6

10

7

5000

Corrected range

Series M22/M23/M24 Instruction Manual Chapter 1 Introduction

M-000-00010 1-7

its vapor phase. The resulting two-phase flow degrades the liquid calibra­tion accuracy. For some applications, a valve downstream of the flow me­ter may be required to increase the pressure in the meter, thereby avoiding
cavitation. The following equation defines the minimum back pressure to
prevent cavitation.

P = 2.9 P + 1.3 P

V

Where:

P = Minimum line pressure five pipe diameters downstream of the flow

meter required to avoid cavitation (psia or bara).

P = Permanent pressure loss across the flow meter (psia or bara).

PV = Liquid vapor pressure at actual flowing conditions (psia or bara).

Temperature Measurement

Pro-V Flow Meters use a 1000 ohm platinum resistance temperature detec-

tor (PRTD) to measure fluid temperature.

Pressure Measurement

Pro-V Flow Meters incorporate a solid-state pressure transducer isolated

by a 316 stainless steel diaphragm. The transducer itself is micro-

machined silicon, fabricated using integrated circuit processing technol-

ogy. A nine-point pressure/temperature calibration is performed on every

sensor. Digital compensation allows these transducers to operate within a

0.3% of full scale accuracy band within the entire ambient temperature

range of -40°F to 140°F (-40 to 60°C). Thermal isolation of the pressure

transducer ensures the same accuracy across the allowable process fluid

temperature range of -330°F to 750°F (-200 to 400°C).

Chapter 1 Introduction Series M22/M23 Instruction Manual

1-8 M-000-00010

Flow Meter Configurations

Pro-V™ Vortex Mass Flow Meters are available in two model
configurations:

• Series M22/M24 in-line flow meter (replaces a section of the pipeline)

• Series M23 insertion flow meter (requires a “cold” tap or a “hot”

tap into an existing pipeline)

Both the in-line and insertion configurations are similar in that they both
use identical electronics and have similar sensor heads. Besides installa­tion differences, the main difference between an in-line flow meter and
an insertion flow meter is their method of measurement.

For an in-line vortex flow meter, the shedder bar is located across the en­tire diameter of the flow body. Thus, the entire pipeline flow is included
in the vortex formation and measurement. The sensing head, which di­rectly measures velocity, temperature and pressure is located just down­stream of the shedder bar.

Insertion vortex flow meters have a shedder bar located across the di­ameter of a short tube. The velocity, temperature and pressure sensor are
located within this tube just downstream of a built-in shedder bar. This
entire assembly is called the insertion sensing head. It fits through any
entry port with a 1.875 inch minimum internal diameter.

The sensing head of an insertion vortex flow meter directly monitors the
velocity at a point in the cross-sectional area of a pipe, duct, or stack (re-

ferred to as “channels”). The velocity at a point in the pipe varies as a func-

tion of the Reynolds number. The insertion vortex flow meter computes the
Reynolds number and then computes the total flow rate in the channel. The
output signal of insertion meters is the total flow rate in the channel. The
accuracy of the total flow rate computation depends on adherence to the
piping installation requirements given in Chapter 2. If adherence to those
guidelines cannot be met, contact the factory for specific installation ad­vice.

Multivariable Options

The M22, M23, or M24 models are available with the following options:
V, volumetric flowmeter; VT, velocity and temperature sensors; VTP,
velocity, temperature, and pressure sensors; VT-EM energy output op­tions; VTP-EM, energy options with pressure; VT-EP, external pressure
transmitter input; VETEP, external RTD temperature input, external 4-20
mA input.

Series M22/M23/M24 Instruction Manual Chapter 1 Introduction

M-000-00010 1-9

Line Size / Process Connections / Materials

The M22/M24 In-line model is built for line sizes ½ through 4 inch wa-

fer or ½ through 12 inch flanged design using ANSI 150, 300, 600,

PN16, 40, or 64 class flanges. JIS flanges available upon request.

The M23 Insertion model can be used in line sizes 2 inch and greater and

is built with a compression fitting or packing gland design using 2 inch

NPT, or 2 inch flanged connections (ANSI 150, 300, 600, PN16, 40, or

64 class flanges). The packing gland design can be ordered with a per-

manent or removable retractor.

The M22/M24 In-line model can be built with A105 carbon steel, 316L

stainless steel, or Hastelloy C-276. The M23 Insertion model can be

built with 316L stainless steel or Hastelloy C-276.

Flow Meter Electronics

Pro-V Flow Meter electronics are available mounted directly to the flow

body, or remotely mounted. The electronics housing may be used indoors

or outdoors, including wet environments. Available input power options

are: DC loop powered (2-wire), DC powered, or AC powered. Three an-

alog output signals are available for your choice of three of the five pro-

cess variables: mass flow rate, volumetric flow rate, temperature, pres-

sure or fluid density. A pulse output signal for remote totalization and

MODBUS, HART, and BACnet communications are also available.

Pro-V Flow Meters include a local 2 x 16 character LCD display housed

within the enclosure. Local operation and reconfiguration is accom-

plished using six pushbuttons operated via finger touch. For hazardous

locations, the six buttons can be operated with the electronics enclosure

sealed using a hand-held magnet, thereby not compromising the integrity

of the hazardous location certification.

The electronics include nonvolatile memory that stores all configuration

information. The nonvolatile memory allows the flow meter to function

immediately upon power up, or after an interruption in power. All

flowmeters are calibrated and configured for the customer’s flow

application.

Chapter 1 Introduction Series M22/M23/M24 Instruction Manual

1-10 M-000-00010

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-1

Chapter 2 Installation

Installation Overview

VorTek’s Pro-V Vortex Flow Meter installations are simple and straight-

forward. Both the Series M22/M24 In-Line and Series M23 Insertion type

flow meter installations are covered in this chapter. After reviewing the

installation requirements given below, see page 2-3 for Series M22/M24

installation instructions. See page 2-6 for Series M23 installation instruc-

tions. Wiring instructions begin on page 2-20.

Flow Meter Installation Requirements

Before installing the flow meter, verify the installation site allows for

these considerations:

1. Line pressure and temperature will not exceed the flow meter

rating.

2. The location meets the required minimum number of pipe di-

ameters upstream and downstream of the sensor head as illus­trated in Figure 2-1.

3. Safe and convenient access with adequate overhead clear-

ance for maintenance purposes.

4. Verify that the cable entry into the instrument meets the

specific standard required for hazardous area installations.
The cable entry device shall be of a certified flameproof
type, suitable for the conditions of use and correctly in­stalled. The degree of protection of at least IP66 to EN
60529 is only achieved if certified cable entries are used
that are suitable for the application and correctly installed.
Unused apertures shall be closed with suitable blanking el­ements.

5. For remote installations, verify the supplied cable length is

sufficient to connect the flow meter sensor to the remote
electronics.

Also, before installation check your flow system for anomalies such as:

• leaks

• valves or restrictions in the flow path that could create disturb-

ances in the flow profile that might cause unexpected flow rate in­dications

Warning!

Consult the flow meter nameplate for

specific flow meter approvals before any

hazardous location installation.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-2 M-000-00010

Unobstructed Flow Requirements

Select an installation site that will minimize possible distortion in the flow
profile. Valves, elbows, control valves and other piping components may
cause flow disturbances. Check your specific piping condition against the
examples shown below. In order to achieve accurate and repeatable per­formance install the flow meter using the recommended number of
straight run pipe diameters upstream and downstream of the sensor.

Note: For liquid applications in vertical pipes, avoid installing with flow
in the downward direction because the pipe may not be full at all points.
Choose to install the meter with flow in the upward direction if possible.

Minimum Required

Upstream Diameters

Minimum Required

Downstream Diameters

No Flow

Conditioner

With Flow Conditioner

No Flow

Conditioner

With Flow

Conditioner

Example

A A C

C´ B B 1 10 D

N/A

N/A

N/A

5 D

5 D

2

15 D

10 D

5 D

5 D

5 D

5 D

3

30 D

10 D

5 D

5 D

10 D

5 D

4

10 D

10 D

5 D

5 D

5 D

5 D

5

20 D

10 D

5 D

5 D

5 D

5 D

6

30 D

10 D

5 D

5 D

10 D

5 D

D = Internal diameter of channel. N/A = Not applicable

Figure 2-1. Recommended Pipe Length Requirements for Installation, Series M22/M23/M24

Flow meter

A B

Example 1.
One 90° elbow before meter

C'

Flow meter

A B

C

Flow conditioner

(if used)

Example 2.
Two 90° elbows before meter in one plane

C'

Flow meter

A B

C

Flow conditioner

(if used)

Example 3.
Two 90° elbows before meter out of plane (if three
90° bends present, double recommended length)

Flow meter

A B

Example 4.
Reduction before meter

C' C

Flow conditioner

(if used)

Flow meter

A B

C' C

Flow conditioner

(if used)

Example 5.
Expansion before meter

Example 6.
Regulator or valve partially closed before meter
(If valve is always wide open, base length
requirements on fitting directly preceding it)

Flow meter

A B

C' C

Flow conditioner (if used)

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-3

Recommended Meter Locations

Liquid Horizontal

Liquid Vertical

Gas or Steam Horizontal

Gas or Steam Vertical

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-4 M-000-00010

Series M22/M24 In-Line Flow Meter Installation

Install the Series M22/M24 In-Line Flow Meter between two convention­al pipe flanges as shown in Figures 2-3 and 2-4.

The meter inside diameter is equal to the same size nominal pipe ID in

schedule 80. For example, a 2” meter has an ID of 1.939” (2” schedule

80). Do not install the meter in a pipe with an inside diameter smaller
than the inside diameter of the meter. For schedule 160 and higher

pipe, a special meter is required. Consult the factory before purchasing
the meter.

Series M22/M24 Meters require customer-supplied gaskets. When select­ing gasket material make sure that it is compatible with the process fluid
and pressure ratings of the specific installation. Verify that the inside di­ameter of the gasket is larger than the inside diameter of the flow meter
and adjacent piping. If the gasket material extends into the flow stream, it
will disturb the flow and cause inaccurate measurements.

Flange Bolt Specifications

Stud bolt lengths may be calculated using the following equation:

L = Meter face to face length + 2 (mounting flange thickness + flange
raised face) + 2 (gasket thickness) + 4 (mounting nut thickness)

Refer to the mounting flange specification to select the correct stud
bolt diameter.

The required bolt load for sealing the gasket joint is affected by several
application-dependent factors; therefore the required torque for each ap­plication may be different. Refer to the ASME Pressure Vessel Code
guidelines for bolt tightening standards.

Figure 2-2. Flange Bolt Torquing Sequence

1

2

34

1

2

34

5

6

7

8

1

5

9

3

7

11

2

6

10

4

8

12

4-bolt 8-bolt 12-bolt

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-5

Wafer-Style Flow Meter Installation

Install the wafer-style meter between two conventional pipe flanges of the

same nominal size as the flow meter. If the process fluid is a liquid, make

sure the meter is located where the pipe is always full. This may require

locating the meter at a low point in the piping system. Note: Vortex flow

meters are not suitable for two-phase flows (i.e., liquid and gas mixtures).

For horizontal pipelines having a process temperature above 300° F,

mount the meter at a 45 or 90-degree angle to avoid overheating the elec-

tronics enclosure. To adjust the viewing angle of the enclosure or dis-

play/keypad, see page 2-18 and 2-19.

Figure 2-3. Wafer-Style Flow Meter Installation

When installing the meter make sure the section marked with a flow arrow is

positioned upstream of the outlet, with the arrow head pointing in the direc-

tion of flow. (The mark is on the wafer adjacent to the enclosure mounting

neck.) This ensures that the sensor head is positioned downstream of the vor-

tex shedder bar and is correctly aligned to the flow. Installing the meter oppo-

site this direction will result in completely inaccurate flow measurement. To

install the meter:

1. Turn off the flow of process gas, liquid or steam. Verify that the line

is not pressurized. Confirm that the installation site meets the required
minimum upstream and downstream pipe diameters.

2. Insert the studs for the bottom side of the meter body between the pipe

flanges. Place the wafer-style meter body between the flanges with the
end stamped with a flow arrow on the upstream side, with the arrow
head pointing in the direction of flow. Center the meter body inside the
diameter with respect to the inside diameter of the adjoining piping.

3. Position the gasket material between the mating surfaces. Make sure

both gaskets are smooth and even with no gasket material extending in­to the flow profile. Obstructions in the pipeline will disturb the flow and
cause inaccurate measurements.

Caution!

When using toxic or corrosive

gases, purge the line with inert

gas for a minimum of four hours

at full gas flow before installing

the flow meter.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-6 M-000-00010

4. Place the remaining studs between the pipe flanges. Tighten the nuts in

the sequence shown in Figure 2-2. Check for leaks after tightening the
flange bolts

Flange-Style Flow Meter Installation

Install the flange-style meter between two conventional pipe flanges of
the same nominal size as the flow meter. If the process fluid is a liquid,
make sure the meter is located where the pipe is always full. This may re­quire locating the meter at a low point in the piping system. Note: Vortex
flow meters are not suitable for two-phase flows (i.e., liquid and gas mix­tures). For horizontal pipelines having a process temperature above 300°
F, mount the meter at a 45 or 90-degree angle to avoid overheating the
electronics enclosure. To adjust the viewing angle of the enclosure or dis­play/keypad, see page 2-18 and 2-19.

Figure 2-4. Flange-Style Flow Meter Installation

When installing the meter make sure the flange marked with a flow arrow is
positioned upstream of the outlet flange, with the arrow head pointing in the
direction of flow. (The mark is on the flange adjacent to the enclosure
mounting neck.) This ensures that the sensor head is positioned downstream

of the vortex shedder bar and is correctly aligned to the flow. Installing the
meter opposite this direction will result in completely inaccurate flow meas­urement. To install the meter:

1. Turn off the flow of process gas, liquid or steam. Verify that the line

is not pressurized. Confirm that the installation site meets the required
minimum upstream and downstream pipe diameters.

Caution!

When using toxic or corrosive

gases, purge the line with inert

gas for a minimum of four hours

at full gas flow before installing

the flow meter.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-7

2. Seat the meter level and square on the mating connections with the flange

stamped with a flow arrow on the upstream side, with the arrow head
pointing in the direction of flow. Position a gasket in place for each side.
Make sure both gaskets are smooth and even with no gasket material ex­tending into the flow profile. Obstructions in the pipeline will disturb the
flow and cause inaccurate measurements.

3. Install bolts in both process connections. Tighten the nuts in the se-

quence shown in Figure 2-2. Check for leaks after tightening the flange
bolts.

Series M23 Insertion Flow Meter Installation

Prepare the pipeline for installation using either a cold tap or hot tap
method described on the following pages. Refer to a standard code for all
pipe tapping operations. The following tapping instructions are general in
nature and intended for guideline purposes only. Before installing the me­ter, review the mounting position and isolation value requirements given
below.

Mounting Position

Allow clearance between the electronics enclosure top and any other ob­struction when the meter is fully retracted.

Isolation Valve Selection

An isolation valve is available as an option with Series M23 meters. If
you supply the isolation valve, it must meet the following requirements:

1. A minimum valve

bore diameter of

1.875 inches is re­quired, and the

valve’s body size

should be two inches.
Normally, gate
valves are used.

2. Verify that the

valve’s body and

flange rating are
within the flow meter’s maximum operating pressure and tempera­ture.

3. Choose an isolation valve with at least two inches existing between

the flange face and the gate portion of the valve. This ensures that the

flow meter’s sensor head will not interfere with the operation of the

isolation valve.

1.875-inch min.
valve bore

2-inch min.

2-inch

valve size

Isolation Valve Requirements

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-8 M-000-00010

Cold Tap Guidelines

Refer to a standard code for all pipe tapping operations. The following
tapping instructions are general in nature and intended for guideline pur­poses only.

1. Turn off the flow of process gas, liquid or steam. Verify that the line

is not pressurized.

2. Confirm that the installation site meets the minimum upstream and

downstream pipe diameter requirements. See Figure 2-1.

3. Use a cutting torch or sharp cutting tool to tap into the pipe. The pipe

opening must be at least 1.875 inches in diameter. (Do not attempt to
insert the sensor probe through a smaller hole.)

4. Remove all burrs from the tap. Rough edges may cause flow profile

distortions that could affect flow meter accuracy. Also, obstructions
could damage the sensor assembly when inserting into the pipe.

5. After cutting, measure the thickness of the cut-out and record this

number for calculating the insertion depth.

6. Weld the flow meter pipe connection

on the pipe. Make sure this connection
is within ± 5° perpendicular to the pipe
centerline.

7. Install the isolation valve (if used).

8. When welding is complete and all fittings are installed, close the

isolation valve or cap the line. Run a static pressure check on the
welds. If pressure loss or leaks are detected, repair the joint and re­test.

9. Connect the meter to the pipe process connection.

10. Calculate the sensor probe insertion depth and insert the sensor probe

into the pipe as described on the following pages.

Caution!

When using toxic or

corrosive gases, purge

the line with inert gas

for a minimum of four

hours at full gas flow

before installing the

flow meter.

Warning!

All flow meter connec-

tions, isolation valves

and fittings for cold tap-

ping must have the same

or higher pressure rating

as the main pipeline.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-9

Hot Tap Guidelines

Refer to a standard code for all pipe tapping operations. The following
tapping instructions are general in nature and intended for guideline pur­poses only.

1. Confirm that the installation site meets the minimum upstream and

downstream pipe diameter requirements.

2. Weld a two inch mounting adapter on the pipe. Make sure the mount-

ing adapter is within ± 5° perpendicular to the pipe centerline (see
previous page). The pipe opening must be at least 1.875 inches in di­ameter.

3. Connect a two inch process connection on the mounting adapter.

4. Connect an isolation valve on the process connection. The valve’s full

open bore must be at least 1.875 inches in diameter.

5. Run a static pressure check on the welds. If pressure loss or leaks are

detected, repair the joint and re-test.

6. Connect the hot tapping equipment to the isolation valve, open the

isolation valve and drill at least a 1.875 inch diameter hole.

7. Retract the drill, close the isolation valve, and remove the hot tapping

equipment.

8. Connect the flow meter to the isolation valve and open the isolation

valve.

9. Calculate the sensor probe insertion depth and insert the sensor probe

into the pipe as described on the following pages.

Warning!

Hot tapping must be

performed by a trained

professional. US. regulations

often require a hot tap permit.

The manufacturer of the hot

tap equipment and/or the

contractor performing the hot

tap is responsible for provid-

ing proof of such a permit.

Warning!

All flow meter connections,

isolation valves, and fittings

for hot tapping must have the

same or higher pressure

rating as the main pipeline.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-10 M-000-00010

Connect isolation
valve and test for
leaks

xxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxx

Purge pipe

Figure 2-5. Hot Tap Sequence

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-11

Flow Meter Insertion

The sensor head must be properly positioned in the pipe. For this reason,

it is important that insertion length calculations are carefully followed. A
sensor probe inserted at the wrong depth in the pipe will result in inaccu­rate readings.

Insertion flow meters are applicable to pipes 2 inch and larger. For pipe
sizes ten inches and smaller, the centerline of the meter’s sensing head is

located at the pipe’s centerline. For pipe sizes larger than ten inches, the
centerline of the sensing head is located in the pipe’s cross section five
inches from the inner wall of the pipe; i.e., its “wetted” depth from the

wall to the centerline of the sensing head is five inches.

Insertion flow meters are available in three probe lengths:

Standard Probe configuration is used with most flow meter process
connections. The length, S, of the stem is 29.47 inches.

Compact Probe configuration is used with compression fitting process
connections. The length, S, of the stem is 13.1 inches.

12-Inch Extended Probe configuration is used with exceptionally lengthy
flow meter process connections. The length, S, of the stem is 41.47 inch­es.

Use the Correct Insertion Formula

Depending on your flow meter’s process connection, use the applicable

insertion length formula and installation procedure as follows:

• Flow meters with a compression type connection (NPT or flanged)

follow the instructions beginning on page 2-11.

• Flow meters with a packing gland type connection (NPT or flanged)

configured with an insertion tool, follow the instructions beginning on
page 2-13.

• Flow meters with a packing gland type connection (NPT or flanged)

without an insertion tool, follow the instructions beginning on page
2-16.

Warning!

An insertion tool must be

used for any installation

where a flow meter is

inserted under pressure

greater than 50 psig.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-12 M-000-00010

Installing Flow Meters with a Compression Connection*

Use the following formula to determine insertion length for flow meters
(NPT and flanged) with a compression process connection. The installa­tion procedure is given on the next page.

Insertion Length Formula

I = S – F – R – t

Where:

I = Insertion length.

S = Stem length – the distance from the center of the sensor head to the base
of the enclosure adapter (S = 29.47 inches for standard probes; S = 13.1
inches for compact; S = 41.47 inches for 12-inch extended).

F = Distance from the raised face of the flange or top of NPT stem housing to

the outside of the pipe wall.

R = Pipe inside diameter  2 for pipes ten inches and smaller.

R = Five inches for pipe diameters larger than ten inches.

t = Thickness of the pipe wall. (Measure the disk cut-out from the tapping
procedure or check a piping handbook for thickness.)

Figure 2-6. Insertion Calculation (Compression Type)

Example:

To install a Series M23 meter with a standard probe (S = 29.47 inches) into a 14

inch schedule 40 pipe, the following measurements are taken:

F=3 inches
R=5 inches
t=0.438 inches

The insertion length for this example is 21.03 inches. Insert the stem through
the fitting until an insertion length of 21.03 inches is measured with a ruler.

*All dimensions are in inches

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-13

Insertion Procedure for Meters with a Compression Connection

Figure 2-7. Flow Meter with Compression Type Fitting

1. Calculate the required sensor probe insertion length.

2. Fully retract the stem until the sensor head is touching the bottom of

the stem housing. Slightly tighten the compression nut to prevent
slippage.

3. Bolt or screw the flow meter assembly into the process connection.

Use Teflon tape or pipe sealant to improve the seal and prevent seiz­ing on NPT styles.

4. Hold the meter securely while loosening the compression fitting. In-

sert the sensor into the pipe until the calculated insertion length, I, is
measured between the base of the enclosure adapter and the top of
the stem housing, or to the raised face of the flanged version. Do
not force the stem into the pipe.

5. Align the sensor head using the sensor alignment pointer. Adjust the

alignment pointer parallel to the pipe and pointing downstream.

6. Tighten the compression fitting to lock the stem in position. When

the compression fitting is tightened, the position is permanent.

Caution!

The sensor alignment

pointer must point

downstream, in the

direction of flow.

Warning!

To avoid serious injury,

DO NOT loosen the

compression fitting

under pressure.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-14 M-000-00010

Installing Flow Meters with a Packing Gland Connection*

Use the formula below to determine the insertion depth for flow meters
(NPT and flanged) equipped with an insertion tool. To install, see the next
page for instructions for meters with a permanent insertion tool. For me­ters with a removable insertion tool, see page 2-15.

Insertion Length Formula

I = F + R + t – 1.35

Where:

I = Insertion length.

F = Distance from the raised face of the flange or top of
the process connection for NPT style meters to the top
outside of the process pipe.

R = Pipe inside diameter  2 for pipes ten inches & small­er.

R = Five inches for pipe diameters larger than ten inches.

t = Thickness of the pipe wall. (Measure the disk cut­out from the tapping procedure or check a piping hand­book for thickness.)

Figure 2-8. Insertion Calculation (Meters with Insertion Tool)

Example 1: Flange Style Meters:

To install a Series M23 Flow Meter into a 14 inch schedule 40 pipe, the fol­lowing measurements are taken:

F = 12 inches
R = 5 inches
t = 0.438 inches

The example insertion length is 16.09 inches.

Example 2: NPT Style Meters:

The length of thread engagement on the NPT style meters is also subtracted in
the equation. The length of the threaded portion of the NPT meter is 1.18
inches. Measure the thread portion still showing after the installation and sub­tract that amount from 1.18 inches. This gives you the thread engagement
length. If this cannot be measured use .55 inch for this amount.

F = 12 inches
R = 5 inches
t = 0.438 inches

The example insertion length is 15.54 inches.

*All dimensions are in inches.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-15

Insertion Procedure for Flow Meters with Permanent Insertion Tool

Figure 2-9. Flow Meter with Permanent Insertion Tool

1. Calculate the required sensor probe insertion length (see previous

page). Measure from the depth marker arrow down the stanchion and
scribe a mark at the calculated insertion depth.

2. Fully retract the flow meter until the sensor head is touching the bot-

tom of the stem housing. Attach the meter assembly to the two inch
full-port isolation valve, if used. Use Teflon tape or pipe sealant to
improve seal and prevent seizing on NPT style.

3. Loosen the two packing gland nuts on the stem housing of the meter.

Loosen the stem lock bolt adjacent to the sensor alignment pointer.
Align the sensor head using the sensor alignment pointer. Adjust the
alignment pointer parallel to the pipe and pointing downstream. Tighten
the stem lock bolt to secure the sensor position.

4. Slowly open the isolation valve to the full open position. If necessary,

slightly tighten the two packing gland nuts to reduce the leakage
around the stem.

5. Turn the insertion tool handle clockwise to insert the sensor head into

the pipe. Continue until the top of the upper retractor bracket aligns
with the insertion length position scribed on the stanchion. Do not
force the stem into the pipe.

6. Tighten the packing gland nuts to stop leakage around the stem. Do

not torque over 20 ft-lb.

Caution!

The sensor alignment

pointer must point

downstream, in the

direction of flow.

Note

If line pressure is above
500 psig, it could require
up to 25 ft lb of torque to

insert the flow meter.

Do not confuse this with

possible interference

in the pipe.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-16 M-000-00010

Insertion Procedure for Flow Meters with Removable Insertion Tool

Figure 2-10. Flow Meter with Removable Insertion Tool

1. Calculate the required sensor probe insertion length. Measure from

the depth marker arrow down the stanchion and scribe a mark at the
calculated insertion depth.

2. Fully retract the flow meter until the sensor head is touching the bot-

tom of the stem housing. Attach the meter assembly to the two inch
full-port isolation valve, if used. Use Teflon tape or pipe sealant to
improve seal and prevent seizing on NPT style.

3. Remove the two top stem clamp nuts and loosen two stem clamp

bolts. Slide the stem clamp away to expose the packing gland nuts.

4. Loosen the two packing gland nuts. Loosen the stem lock bolt adja-

cent to the sensor alignment pointer. Align the sensor head using the
sensor alignment pointer. Adjust the alignment pointer parallel to the
pipe and pointing downstream. Tighten the stem lock bolt to secure
the sensor position.

5. Slowly open the isolation valve to the full open position. If necessary,

slightly tighten the two packing gland nuts to reduce the leakage
around the stem.

6. Turn the insertion tool handle clockwise to insert the stem into the

pipe. Continue until the top of the upper retractor bracket lines up
with the insertion length mark scribed on the stanchion. Do not force
the stem into the pipe.

Caution!

The sensor alignment

pointer must point

downstream, in the

direction of flow.

Note

If line pressure is above
500 psig, it could require
up to 25 ft lb of torque to

insert the flow meter.

Do not confuse this with

possible interference

in the pipe.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-17

7. Tighten the packing gland nuts to stop leakage around the stem. Do not

torque over 20 ft-lbs.

8. Slide the stem clamp back into position. Torque stem clamp bolts to 15

ft-lbs. Replace the stem clamp nuts and torque to 10-15 ft-lbs.

9. To separate the insertion tool from the flow meter, remove four socket

head cap bolts securing the upper and lower retractor brackets. Remove
the insertion tool.

Installation of Meters with Packing Gland Connection (No Insertion Tool)*

Use the following formula to determine insertion depth for meters with a
packing gland connection (NPT and flanged) without an insertion tool.

Insertion Length Formula

I = S – F – R – t

Where:

I = Insertion length.

S = Stem length – the distance from the
center of the sensor head to the base of the
enclosure adapter (S = 29.47 inches for
standard probes; S = 41.47 inches for 12 inch
extended probes).

F = Distance from the raised face of the
flange or top of NPT stem housing to the
outside of the pipe wall.

R = Pipe inside diameter  2 for pipes ten
inches & smaller.

R = Five inches for pipe diameters larger than ten
inches.

t = Thickness of the pipe wall. (Measure the disk
cut-out from the tapping procedure or check a piping
handbook for thickness.)

Figure 2-11. Insertion Calculation (Meters without Insertion Tool)

Example:

To install a Series M23 Flow Meter with a standard probe (S = 29.47) into
a 14 inch schedule 40 pipe, the following measurements are taken:

F = 3 inches
R = 5 inches
t = 0.438 inches

The example insertion length is 21.03 inches.

*All dimensions are in inches.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-18 M-000-00010

Insertion Procedure for Flow Meters with No Insertion Tool
(Packing Gland Connection)

1. Calculate the required sensor probe insertion length.

2. Fully retract the stem until the sensor head is touching the bottom of the

stem housing. Remove the two top stem clamp nuts and loosen two
stem clamp bolts. Slide the stem clamp away to expose the packing
gland nuts. Loosen the two packing gland nuts.

3. Align the sensor head using the sensor alignment pointer. Adjust the

alignment pointer parallel to the pipe and pointing downstream.

4. Insert the sensor head into the pipe until insertion length, I, is

achieved. Do not force the stem into the pipe.

5. Tighten the packing gland nuts to stop leakage around the stem. Do

not torque over 20 ft-lbs.

6. Slide the stem clamp back into position. Torque stem clamp bolts to

15 ft-lbs. Replace the stem clamp nuts and torque to 10-15 ft-lbs.

Warning!

The line pressure

must be less than

50 psig for installation.

Caution!

The sensor alignment

pointer must point

downstream, in the

direction of flow.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-19

Adjusting Meter Orientation

Depending on installation requirements, you may need to adjust the meter
orientation. There are two adjustments available. The first rotates the posi­tion of the LCD display/keypad and is available on both in-line and inser­tion meters. The second is to rotate the enclosure position. This adjust­ment is only allowed on Series M22/M24 In-Line meters.

Display/Keypad Adjustment (All Meters)

Figure 2-12. Display/Keypad Viewing Adjustment

The electronics boards are electrostatically sensitive. Wear a grounding
wrist strap and make sure to observe proper handling precautions required
for static-sensitive components. To adjust the display:

1. Disconnect power to the flow meter.

2. Loosen the small set screw which secures the electronics enclosure

cover. Unscrew and remove the cover.

3. Loosen the 4 captive screws.

4. Carefully pull the display/microprocessor board away from the meter

standoffs. Make sure not to damage the connected ribbon cable.

5. Rotate the display/microprocessor board to the desired position. Max-

imum turn, two positions left or two positions right (180-degrees).

6. Align the board with the captive screws. Check that the ribbon cable

is folded neatly behind the board with no twists or crimps.

7. Tighten the screws. Replace the cover and set screw. Restore power to

the meter.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-20 M-000-00010

Enclosure Adjustment (Series M22/M24 Only)

Figure 2-13. Enclosure Viewing Adjustment

To avoid damage to the sensor wires, do not rotate the enclosure beyond
180-degrees from the original position. To adjust the enclosure:

1. Remove power to the flow meter.

2. Loosen the three set screws shown above. Rotate the display to the

desired position (maximum 180-degrees).

3. Tighten the three set screws. Restore power to the meter.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-21

Loop Power Flow Meter Wiring Connections

The NEMA 4X enclosure contains an integral wiring compartment with
one dual strip terminal block (located in the smaller end of the enclosure).
Two 3/4-inch female NPT conduit entries are available for separate power
and signal wiring. For all hazardous area installations, only suitable certi­fied cable glands, blanking plugs or thread adapters may be used. The ca­ble entry device shall be of a certified flameproof type, suitable for the
conditions of use and correctly installed. The degree of protection of at
least IP66 to EN 60529 is only achieved if certified cable entries are used
that are suitable for the application and correctly installed. Unused aper­tures shall be closed with suitable blanking elements. If conduit seals are
used, they must be installed within 18 inches (457 mm) of the enclosure.

LOOP

POWER

+ -

FREQ

OUT

PULSE

OUT

-- + +

OPTIONAL
BACKLIGHT
POWER

+ -

31 2 4 5

OPTION 2

Figure 2-14. Loop Power Wiring Terminals

Input Power Connections

To access the wiring terminal blocks, locate and loosen the small set
screw which locks the small enclosure cover in place. Unscrew the cover
to expose the terminal block.

DC Power Wiring

Connect 4-20 mA loop power (12 to 36 VDC at 25 mA, 1W max.) to the
+Loop Power and –Loop Power terminals on the terminal block. Torque
all connections to 4.43 to 5.31 in-lbs (0.5 to 0.6 Nm). The DC power wire
size must be 20 to 12 AWG with the wire stripped 1/4 inch (7 mm).

12 to 36 VDC

25 mA max.

Figure 2-15. DC Power Connections

Warning!

To avoid potential electric

shock, follow National Electric

Code safety practices or your

local code when wiring this

unit to a power source and to

peripheral devices. Failure to

do so could result in injury or

death. All wiring procedures

must be performed with the

power off.

Use a Class I or Class II

power supply.

A power switch is not provid-

ed with this meter, an ap-

proved switch meeting the

power requirements listed in
Appendix A must be provided
by the user. It must be easily

accessible and marked as the

disconnect for the flow meter.

Only the connectors supplied
with the meter are to be used

for connecting wiring.

If the equipment is used in a
manner not specified the pro-

tection provided by the

equipment may be impaired.

Caution!

The DC wire insulation tem­perature rating must meet or
exceed 85°C (185°F), maxi-

mum operating voltage 300

VRMS.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-22 M-000-00010

4-20 mA Output Connections

The Pro-V meter has a single 4-20 mA loop. The 4-20 mA loop current is
controlled by the meter electronics. The electronics must be wired in se­ries with the sense resistor or current meter. The current control electron­ics require 12 volts at the input terminals to operate correctly.

The maximum loop resistance (load) for the current loop output is de­pendent upon the supply voltage and is given in Figure 2-16. The 4-20
mA loop is optically isolated from the flow meter electronics.

R

load

is the total resistance in the loop, including the wiring resistance

(R

load

= R

wire

+ R

sense

). To calculate R

max

, the maximum R

load

for the loop,
subtract the minimum terminal voltage from the supply voltage and divide
by the maximum loop current, 20 mA. Thus:

The maximum resistance R

load

= R

max

= (V

supply

– 12V) / 0.020 A

Figure 2-16. Load Resistance Versus Input Voltage

The current loop range is 3.8 to 20.5 mA.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-23

Pulse Output Connections

The pulse output is used for a remote counter. When the preset volume or
mass (defined in the totalizer settings, see page 3-10) has passed the me­ter, the output provides a 50 millisecond square pulse.

The pulse output requires a separate 5 to 36 VDC power supply. The
pulse output optical relay is a normally-open single-pole relay. The relay
can conduct a current up to 40 mA. It is isolated from the meter electron­ics and power supply.

Figure 2-17. Isolated Pulse Output Using External Power Supply

Figure 2-18. Non-Isolated Pulse Output Using External Power Supply

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-24 M-000-00010

Frequency Output Connections

The frequency output is used for a remote counter. It can be scaled to out­put a 1 to 10 kHz signal proportional to mass or volume flow, tempera­ture, pressure or density.

The frequency output requires a separate 5 to 36 VDC power supply. The
frequency output optical relay is a normally-open single-pole relay. The
output can conduct a current up to 40 mA. It is isolated from the meter
electronics and power supply.

Freq. Out -

Freq. Out +

Freq. Out voltage = +V
Select resistor so that current
through Freq. Out <= 40 mA

Figure 2-19. Isolated Frequency Output Using External Power Supply

Freq. Out voltage = +V
Select resistor so that current through Freq. Out <= 40 mA

Freq. Out +
Freq. Out -

Figure 2-20. Non-Isolated Frequency Output Using External Power Supply

Optional Backlight Connection

The loop power meter has an optional backlight connection provided. It is
intended to be powered by a separate 12 to 36 VDC at 35 mA max. power
supply or by the pulse power input. Both options are shown below.

12 to 36 VDC

35 mA max.

Figure 2-21.Backlight Using External Power Supply

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-25

Remote Electronics Wiring

The remote electronics enclosure should be mounted in a convenient, easy
to reach location. For hazardous location installations, make sure to ob­serve agency requirements for installation. Allow some slack in the inter­face cable between the junction box and the remote electronics enclosure.
To prevent damage to the wiring connections, do not put stress on the
terminations at any time.

The meter is shipped with temporary strain relief glands at each end of the

cable. Disconnect the cable from the meter’s terminal block inside the

junction box–not at the remote electronics enclosure. Remove both glands
and install appropriate conduit entry glands and conduit. The cable entry
device shall be of a certified flameproof type, suitable for the conditions
of use and correctly installed. The degree of protection of at least IP66 to
EN 60529 is only achieved if certified cable entries are used that are suit­able for the application and correctly installed. Unused apertures shall be
closed with suitable blanking elements. When installation is complete, re­connect each labeled wire to the corresponding terminal position on the
junction box terminal block. Make sure to connect each wire pair’s shield.
Note: incorrect connection will cause the meter to malfunction.

Note: Numeric code on junction box label matches wire labels.

NOT USED

RED 2
SHLD 1&2

BLK 2

SENSOR V2

SHIELD

SENSOR V1

FLOW

BLK 1

PWR

GND

RED 1

NOT USED

Figure 2-22. Loop Power Volumetric Flowmeter Junction Box Sensor Connections

(Wires enter the flow connector from the left side of the connector shown
above.)

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-26 M-000-00010

RED 1

BLK 1

BLK 2
RED 2
SHLD 1&2

SENSOR V1

VORTEX

GND

PWR

SENSOR V2

SHIELD

Figure 2-23. Loop Power Volumetric Flowmeter Junction Box Sensor Con­nections Supplied Prior to Jan. 1, 2014 (Wires enter the flow connector

from the right side of the connector shown above.)

PRESSURE

TEMPERATURE

RED 2
SHLD 1&2

BLK 2

SHIELD

SHIELD

SENSOR V2

SHIELD

SENSOR V1

VORTEX

BLK 1

PWR

S1

E1

S2

T2

T1

T3

E2 T4

GND

RED 1

P3

P1

P2

P4

SHLD 3&4

SHLD 5&6
RED 6
BLK 6
BLK 5
RED 5

BLK 3
BLK 4
RED 4
RED 3

Figure 2-24. Loop Power Mass Flowmeter Junction Box Sensor Connections

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-27

High Power Meter Wiring Connections

The NEMA 4X enclosure contains an integral wiring compartment with
one dual strip terminal block (located in the smaller end of the enclosure).
Two 3/4-inch female NPT conduit entries are available for separate power
and signal wiring. For all hazardous area installations, only suitable certi­fied cable glands, blanking plugs or thread adapters may be used. The ca­ble entry device shall be of a certified flameproof type, suitable for the
conditions of use and correctly installed. The degree of protection of at
least IP66 to EN 60529 is only achieved if certified cable entries are used
that are suitable for the application and correctly installed. Unused aper­tures shall be closed with suitable blanking elements. If conduit seals are
used, they must be installed within 18 inches (457 mm) of the enclosure.

4-20

mA 3

AC

PWR

IN

4-20

mA 1

24

VDC

OUT

+ - +

4-20

mA 2

- + - +

RS485

RS485

RS485 GND

-

OPTION 2

+

ALARM

2

HOT / L1

PULSE

OUT

NEUT / L2

FREQ

OUT

+ - +

ALARM

1

-+ -

4

OPTION 1

1 2 3 15 2 3

ALARM

3

- + -

4 5

+

-

Figure 2-25. AC Wiring Terminals

Input Power Connections

To access the wiring terminal blocks, locate and loosen the small set
screw which locks the small enclosure cover in place. Unscrew the cover
to expose the terminal block.

AC Power Wiring

The AC power wire size must be 20 to 10 AWG with the wire stripped
1/4 inch (7 mm). The wire insulation temperature must meet or exceed
90°C (194°F). Connect 100 to 240 VAC (5 W maximum) to the Hot and
Neutral terminals on the terminal block. Connect the ground wire to the
safety ground lug. Torque all connections to 4.43 to 5.31 in-lbs (0.5 to 0.6
Nm). Use a separate conduit entry for signal lines to reduce the possibility
of AC noise interference.

100 to 240 VAC, 50/60 Hz, 5 Watts Max.

Chassis screw safety
ground must be used
for proper operation.

Hot / L1

Neutral / L2

Figure 2-26. AC Power Connections

Warning!

To avoid potential electric shock, follow

National Electric Code safety practices or

your local code when wiring this unit to a

power source and to peripheral devices.

Failure to do so could result in injury or

death. All AC power connections must be

in accordance with published CE direc-

tives. All wiring procedures must be per-

formed with the power off.

A power switch is not provided with this

meter, an approved switch meeting the

power requirements listed in Appendix A

must be provided by the user. It must be

easily accessible and marked as the dis-

connect for the flow meter.

Only the connectors supplied with the me-

ter are to be used for connecting wiring.

If the equipment is used in a manner not

specified the protection provided by the

equipment may be impaired.

Caution!
The AC wire insulation temperature rating
must meet or exceed 90°C (194°F), max-

imum operating voltage 600 VRMS.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-28 M-000-00010

4-20

mA 3

4-20
mA 1

DC

PWR

+ - +

4-20

mA 2

- + - +

RS485

RS485

RS485 GND

-

OPTION 2

+

ALARM

2

PULSE

OUT

FREQ

OUT

+ - +

ALARM

1

-+ -

4

OPTION 1

1 2 3 15 2 3

ALARM

3

- + -

4 5

+

-

Figure 2-27. DC Wiring Terminals

DC Power Wiring

The DC power wire size must be 20 to 12 AWG with the wire
stripped 1/4 inch (7 mm). Connect 18 to 36 VDC (300 mA, 9 W max­imum) to the +DC Pwr and –DC Pwr terminals on the terminal block.
Torque all connections to 4.43 to 5.31 in-lbs (0.5 to 0.6 Nm).

18 to 36 VDC @ 300 mA Max.

Figure 2-28. DC Power Connections

Warning!

Use a Class I or Class II power supply.

A power switch is not provided with this me-

ter, an approved switch meeting the power

requirements listed in Appendix A must be

provided by the user. It must be easily ac-

cessible and marked as the disconnect for

the flow meter.

Only the connectors supplied with the meter

are to be used for connecting wiring.

If the equipment is used in a manner not

specified the protection provided by the

equipment may be impaired

Caution!

The DC wire insulation temperature rating

must meet or exceed 85°C (185°F), maxi-

mum operating voltage 300 VRMS.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-29

4-20 mA Output Connections

The standard Pro-V Flow Meter has a single 4-20 mA loop. Two addi­tional loops are available on the optional communication board. The 4-20
mA loop current is controlled by the meter electronics. The electronics
must be wired in series with the sense resistor or current meter. The cur­rent control electronics require 12 volts at the input terminals to operate
correctly.

The maximum loop resistance (load) for the current loop output is depend­ent upon the supply voltage and is given in Figure 2-29. The 4-20 mA loop
is optically isolated from the flow meter electronics.

R

load

is the total resistance in the loop, including the wiring resistance

(R

load

= R

wire

+ R

sense

). To calculate R

max

, the maximum R

load

for the loop,
subtract the minimum terminal voltage from the supply voltage and divide
by the maximum loop current, 20 mA. Thus:

The maximum resistance R

load

= R

max

= (V

supply

– 12V) / 0.020 A

Figure 2-29. Load Resistance Versus Input Voltage

The current loop range is 3.8 to 20.5 mA.

For Hart Communications
signal loop must have a
minimum of 250 ohms load
resistance R

L

RL> 250

mA

Meter

Figure 2-30. Isolated 4–20 mA Output Using External Power Supply

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-30 M-000-00010

DC powered meters only

RL > 250 Ohm

DC Power

DC Common

mA Meter

For HART
communications
the signal loop
must have a
minimum of 250
ohms load
resistance.

Figure 2-31. Non-Isolated 4–20 mA Output Using Meter Input Power Supply

AC units only

Meter Provided DC

Power

RL> 250 Ohm

24 VDC

24 VDC

For HART
communications
the signal loop
must have a
minimum of 250
ohms load
resistance.

mA Meter

Figure 2-32. Isolated 4–20 mA Output Using Meter Provided Power Supply

Frequency Output Connections

The frequency output is used for a remote counter. It can be scaled to out­put a 1 to 10 kHz signal proportional to mass or volume flow, tempera­ture, pressure or density.

The frequency output requires a separate 5 to 36 VDC power supply. The
frequency output optical relay is a normally-open single-pole relay. The
output can conduct a current up to 40 mA. It is isolated from the meter
electronics and power supply.

There are three connection options for the frequency output–the first with a
separate power supply (Figure 2-33), the second using the flow meter power
supply (Figure 2-34)(DC powered units only), and the third using the inter­nal 24 VDC power supply (Figure 2-35)(AC powered units only). Use the
first option with a separate power supply (5 to 36 VDC) if a specific voltage
is needed for the frequency output. Use the second configuration if the volt­age at the flow meter power supply is an acceptable driver voltage for the
load connected. (Take into account that the current used by the frequency

load comes from the meter’s power supply). Use the third configuration if

you have an AC powered unit only. In any case, the voltage of the frequen­cy output is the same as the voltage supplied to the circuit.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-31

Freq. Out -

Freq. Out +

Freq. Out voltage = +V
Select resistor so that current
through Freq . Out <= 40 mA

Figure 2-33. Isolated Frequency Output Using External Power Supply

PWR
PWR

DC Powered meters only

Freq. Out voltage =

Freq. Out +

Freq. Out -

Figure 2-34. Non-Isolated Frequency Output Using Input Power Supply

+ 24 VDC Out

-24 VDC Out

AC units only

Meter provided DC Power

Freq. Out +

Freq. Out -

Freq. Out voltage = +24 VDC

Figure 2-35. Isolated Frequency Output Using Meter Provided Power Supply

Pulse Output Connections

The pulse output is used for a remote counter. When the preset volume or
mass (defined in the totalizer settings, see page 3-10) has passed the me­ter, the output provides a 50 millisecond square pulse.

The pulse output requires a separate 5 to 36 VDC power supply. The
pulse output optical relay is a normally-open single-pole relay. The relay
can conduct a current up to 40 mA. It is isolated from the meter electron­ics and power supply.

There are three connection options for the pulse output–the first with a sepa­rate power supply (Figure 2-36), the second using the flow meter power
supply (Figure 2-37)(DC powered units only), and the third using the inter­nal 24 VDC power supply (Figure 2-38)(AC powered units only). Use the
first option with a separate power supply (5 to 36 VDC) if a specific voltage
is needed for the pulse output. Use the second configuration if the voltage at
the flow meter power supply is an acceptable driver voltage for the load
connected. (Take into account that the current used by the pulse load comes
from the meter’s power supply). Use the third configuration if you have an

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-32 M-000-00010

AC powered unit only. In any case, the voltage of the pulse output is the
same as the voltage supplied to the circuit.

Figure 2-36. Isolated Pulse Output Using External Power Supply

PWR
PWR

DC Powered meters only

Figure 2-37. Non-Isolated Pulse Output Using Input Power Supply

+ 24 VDC Out

- 24 VDC Out

AC units only

Meter provided DC Power

+24 VDC

Figure 2-38. Isolated Pulse Output Using Meter Provided Power Supply

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-33

Alarm Output Connections

One alarm output (Alarm 1) is included on the standard Pro-V™ Flow
Meter. Two or more alarms (Alarm 2 and Alarm 3) are included on the
optional communication board. The alarm output requires a separate 5 to
36 VDC power supply. The alarm output optical relay is a normally-open
single-pole relay. The relay can conduct a current up to 40 mA. It is iso­lated from the meter electronics and power supply. When the alarm relay
is closed, the current draw will be constant. Make sure to size R

load

appro-

priately.

There are three connection options for the alarm output–the first with a sep­arate power supply (Figure 2-39), the second using the flow meter power
supply (Figure 2-40)(DC powered units only) and the third with the meter
provided power supply (Figure 2-41)(AC powered units only). Use the first
option with a separate power supply (5 to 36 VDC) if a specific voltage is
needed for the alarm output. Use the second configuration if the voltage at
the flow meter power supply is an acceptable driver voltage for the load
connected. (Take into account that the current used by the alarm load comes
from the meter’s power supply). Use the third if you have an AC powered
unit only. In any case, the voltage of the alarm output is the same as the
voltage supplied to the circuit.

The alarm output is used for transmitting high or low process conditions
as defined in the alarm settings (see page 3-9).

AC or DC powered meters

ALARM

ALARM

Figure 2-39. Isolated Alarm Output Using External Power Supply

DC units only

Figure 2-40. Non-Isolated Alarm Output Using Internal Power Supply

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-34 M-000-00010

+ 24 VDC Out

- 24 VDC Out

AC units only

Meter provided

DC Power

+24 VDC

Figure 2-41. Isolated Alarm Output Using Meter Provided Power Supply

Remote Electronics Wiring

The remote electronics enclosure should be mounted in a convenient, easy
to reach location. For hazardous location installations, make sure to ob­serve agency requirements for installation. Allow some slack in the inter­face cable between the junction box and the remote electronics enclosure.
To prevent damage to the wiring connections, do not put stress on the
terminations at any time.

The meter is shipped with temporary strain relief glands at each end of the

cable. Disconnect the cable from the meter’s terminal block inside the

junction box–not at the remote electronics enclosure. Remove both glands
and install appropriate conduit entry glands and conduit. The cable entry
device shall be of a certified flameproof type, suitable for the conditions
of use and correctly installed. The degree of protection of at least IP66 to
EN 60529 is only achieved if certified cable entries are used that are suit­able for the application and correctly installed. Unused apertures shall be
closed with suitable blanking elements. When installation is complete, re­connect each labeled wire to the corresponding terminal position on the
junction box terminal block. Make sure to connect each wire pair’s shield.
Note: incorrect connection will cause the meter to malfunction.

PRESSURE

TEMPERATURE

RED 2
SHLD 1&2

BLK 2

SHIELD

SHIELD

SENSOR V2

SHIELD

SENSOR V1

VORTEX

BLK 1

PWR

S1

E1

S2

T2

T1

T3

E2 T4

GND

RED 1

P3

P1

P2

P4

SHLD 3&4

SHLD 5&6
RED 6
BLK 6
BLK 5
RED 5

BLK 3
BLK 4
RED 4
RED 3

Figure 2-42. High Power Flow Meter Junction Box Sensor Connections

Note: Numeric code on junction box label matches wire labels.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-35

Optional Input Electronics Wiring

The meter has two optional input wiring terminals, maximum wire size is
16 AWG. These can be used to input a Remote or Second RTD input in
the case of an Energy Monitoring meter, for the input of a Remote Pres­sure Transducer, to pass a Contact Closure or for a Remote Density meas­urement to name a few. In any case, the wiring diagram will be included
with the meter if any of the options are specified. Otherwise, the optional
terminal blocks will be left blank and nonfunctional.

Option 2Option 1

1 2 3 4 5 1 2 3 4 5

Optional Energy EMS RTD Input Wiring

Loop Power

LOOP

POWER

+ -

FREQ

OUT

PULSE

OUT

-- + +

OPTIONAL
BACKLIGHT
POWER

+ -

31 2 4 5

OPTION 2

R = 1000 ohm

Red

Red

Black Black

* Other input options available.

High Power

Option 2Option 1

1 2 3 4 5 1 2 3 4 5

R = 1000 ohm

Red

Red

Black Black

Figure 2-43.Optional Energy EMS RTD Input Wiring

The recommended customer supplied second RTD is a Class A 1000 ohm
4-wire platinum RTD. If a second RTD is not being used, then the factory
supplied 1000 ohm resistor needs to be installed in its place.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-36 M-000-00010

Optional External 4-20 mA Input Wiring

The meter is set to have Option 1 used for the external input. Program­ming menus that pertain to the optional 4-20 mA input are located in the
Hidden Diagnostics Menu in Chapter 5.

Option 2Option 1

1 2 3 4 5 1 2 3 4 5

Power

Ext. 4-20 mA

Input Device

External

+

-

Figure 2-44. External 4-20 mA Input Wiring - External Power Supply

Follow the above diagram to wire the external 4-20 mA input into the
flow meter using an external power supply.

Option 2Option 1

1 2 3 4 5 1 2 3 4 5

Ext. 4-20 mA

Input Device

+ DC PWR

- DC PWR

DC PWR

DC COMMON

DC powered meter only.

Figure 2-45. External 4-20 mA Input Wiring - DC Powered Meter

Follow the above diagram to wire the external 4-20 mA input into the
flow meter using power supplied to the input of a DC powered meter.

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-37

Option 2Option 1

1 2 3 4 5 1 2 3 4 5

Ext. 4-20 mA

Input Device

+ 24 VDC OUT

- 24 VDC OUT

AC units only. Meter

provided DC power.

Figure 2-46. External 4-20 mA Input Wiring - AC Powered Meter

Follow the above diagram to wire the external 4-20 mA input into the
flow meter using power from the 24 VDC output of an AC powered me­ter.

Optional External 4-20 mA Input and RTD Wiring

Loop Power

LOOP

POWER

+ -

FREQ

OUT

PULSE

OUT

-- + +

OPTIONAL

BACKLIGHT

POWER

+ -

31 2 4 5

OPTION 2

Power

External

+

-

Ext. 4-20 mA
Input Device

R = 1000 ohm

Red

Black

Figure 2-47. External 4-20 mA Input and RTD Wiring – Loop Power

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-38 M-000-00010

High Power

Option

2Option 1

1 2 3 4 5 1 2 3 4 5

Power

Ext. 4-20 mA
Input Device

External

+

-

R = 1000 ohm

Red

Red

Black Black

Figure 2-48. External 4-20 mA Input and RTD Wiring – High Power

Optional Energy EMS External 4-20 mA Input and RTD Wiring

R = 1000 ohm

Red

Red

Black Black

Option

2Option 1

1 2 3 4 5 1 2 3 4 5

Power

External

+

-

Ext. 4-20 mA
Input Device

R = 1000 ohm

Red

Black

Figure 2-49. Energy EMS External 4-20 mA Input and RTD Wiring – High Power

Series M22/M23/M24 Instruction Manual Chapter 2 Installation

M-000-00010 2-39

Optional External Contact Closure Input Wiring

Option 2Option 1

1 2 3 4 5 1 2 3 4 5

Figure 2-50. Optional External Contact Closure Input Wiring

Follow the above diagram to wire an external switch input into the flow
meter. The meter is configured to have Option 1 used for the external in­put. If the above switch is used to remotely reset the totalizer a pushbut­ton switch with a momentary contact closure is recommended.

Chapter 2 Installation Series M22/M23/M24 Instruction Manual

2-40 M-000-00010

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-1

Chapter 3 Operating Instructions

After installing the Pro-V Vortex Flow Meter, you are ready to
begin operation. The sections in this chapter explain the dis­play/keypad commands, meter start-up and programming. The
meter is ready to operate at start up without any special pro­gramming. To enter parameters and system settings unique to
your operation, see the following pages for instructions on using
the setup menus.

Flow Meter Display/Keypad

The flow meter’s digital electronics allow you to set, adjust and

monitor system parameters and performance. A full range of
commands are available through the display/keypad. The LCD
display gives 2 x 16 characters for flow monitoring and pro­gramming. The six push-buttons can be operated with the enclo­sure cover removed. Or, the explosion-proof cover can remain
in place and the keypad operated with a hand-held magnet posi­tioned at the side of the enclosure as shown in the illustration at
the left. To secure the enclosure cover use a 1/16” hex key
wrench to tighten the 6-32 x 1/4 cup point socket set locking
screw.

From the Run Mode, the ENTER key allows

access to the Setup Menus (through a
password screen). Within the Setup Menus,
pressing ENTER activates the current field.
To set new parameters, press the ENTER key
until an underline cursor appears. Use the



keys to select new parameters.
Press ENTER to continue. (If change is not
allowed, ENTER has no effect.) All outputs

are disabled when using the Setup Menus.

The



keys advance through each screen
of the current menu. When changing a system
parameter, all



keys are available to enter

new parameters.

The EXIT key is active within the Setup Menus.
When using a Setup Menu, EXIT returns you to the
Run Mode. If you are changing a parameter and

make a mistake, EXIT allows you to start over.

Display/Keypad

Commands

EXIT ENTER

 





VorTek

INSTRUMENTS

Pro-V™

Figure 3-1. Flow Meter Display/Keypad

Warning!

Do not open covers when an ex-

plosive atmosphere may be pre-

sent.

VorTek

Instruments,

LLC

Pro-V

TM

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-2 M-000-00010

Display Contrast Adjustment

The flow meter display contrast is set at the factory but if the dis­play characters appear too dark or too light proceed as follows:

1) Hold down the “Exit” button on the front panel for 5 to 10 sec-

onds. “Setting Contrast” will appear.

2) Push the “Up” arrow to darken the display or the “Down” arrow

to lighten it.

3 Push the “Enter” button to save the contrast setting.

Start-Up

To begin flow meter operation:

1. Verify the flow meter is installed and wired as described in Chapter 2.

2. Apply power to the meter. At start up, the unit runs a series of self-

tests that check the RAM, ROM, EPROM and all flow sensing com­ponents. After completing the self-test sequence, the Run Mode

screens appear.

3. The Run Mode displays flow information as determined by system

settings. Some screens depicted on the next page may not be dis­played based on these settings. Press the  arrow keys to view
the Run Mode screens.

4. Press the ENTER key from any Run Mode screen to access the Setup

Menus. Use the Setup Menus to configure the meter’s multi­parameter features to fit your application.

Note

Starting the flow meter

or pressing EXIT will

always display the

Run Mode screens.

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-3

Setup

Menus

Password

Mass Flow

Rate

Volume

Flow Rate

Temperature

Pressure

Density

Total

Alarm 1

Status

Fluid

ENTER

Date & Time

Alarm 2

Status

Alarm 3

Status

Run Mode

Screens

Energy

*

ENTER

Press Exit to return

to Run Mode

Use
keys to access

each item

*

Energy EMS

Meters Only

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-4 M-000-00010

Using the Setup Menus

Output

Menu

Display

Menu

Alarms

Menu

Totalizer #1

Menu

Fluid

Menu

Units

Menu

Time & Date

Menu

Diagnostics

Menu

Calibration

Menu

Password

Menu

Password

4-20 mA

ENTER

Output 2

Output 3

Modbus

Units

Cycle Time

(sec)

Number of

Digits

Display TC

(sec)

Mf Vf Te

Pr De T

A1 A2 A3

Fl Dt *E

Relay

Alarm 1

Relay

Alarm 2

Relay

Alarm 3

Alarm Log

Clear Alarm

Log

Totaling

Unit per

Pulse

Reset Total

Flowing

Fluid

STD Temp

(F)

STD Press

(PSIA)

NORM

Temp (C)

NORM

Press (KPA)

Mass Flow

Unit

Volume

Flow Unit

Temperature

Unit

Density

Unit

Pressure

Unit

Set Time

Set Date

Sim Vor

Freq

Sim Temp 1, 2

Sim Pressure

Highest

Velocity

Highest

Temp 1, 2

Highest

Pressure

Lowest

Int Temp

Meter Size

or Pipe ID

Base Kf

Base

Reynolds

Head

Diameter

Abs

Roughness

Set

Password

Mass Flow

Rate

Volume

Flow Rate

Temperature

Pressure

Density

Total

Alarm 1

Status

Fluid

ENTER

Date & Time

Alarm 2

Status

Alarm 3

Status

Run Mode

Screens

Setup Menus

Atm. Press

14.6959

Gauge

Pressure

(Abs/Gauge)

Baud Rate

Modbus

Order

Comm

Protocol

Totalizer #2

Menu

Totaling

Reset Total

Energy

Menu

Loc in Sent

Flow

Yes / No

Heating System

Yes / No

% Returned

Energy

*

*

*

*

Energy EMS

Meters Only

Address

Scaled

Frequency

Output 1

4-20 mA

4-20 mA

* Energy

Unit

System Log

Clear Sys

Log

Highest

Int Temp

Vortex Coef

Ck

Low Flow

Cutoff

Serial

Number

** BACnet

Device ID

** BACnet

MaxMaster

**

BACnet Meters Only

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-5

Programming the Flow Meter

1. Enter the Setup Menu by pressing the ENTER key until prompted for a password. (All

outputs are disabled while using the Setup Menus.)

2. Use the  keys to select the password characters (1234 is the factory-set

password). When the password is correctly displayed, press ENTER to continue.

3. Use the Setup Menus described on the following pages to customize the multi-

parameter features of your Pro-V Flow Meter. (The entire lower display line is
available for entering parameters.) Some items depicted in the graphic on the
preceding page may not be displayed based on flow meter configuration settings

4. To activate a parameter, press ENTER. Use the  keys to make selections. Press

ENTER to continue. Press EXIT to save or discard changes and return to Run Mode.

5. Program the UNITS menu first because later menus will be based on the units

selected.

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-6 M-000-00010

Output Menu

Password

ENTER

Use

keys to access menus

Output

Menu

4-20 mA Output 1

More >

ENTER

Run Mode

*see below

*see below

4-20 mA Output 2

More >

***

see
below

***

see
below

4-20 mA Output 3

More >

***

see
below

< Measure >

None
Mass

Volume

Temp 1,2

Press

Density

***

Energy

< Measure >

None
Mass

Volume

Temp 1,2

Press

Density

***

Energy

< Measure >

None
Mass

Volume

Temp 1,2

Press

Density

***

Energy

< 4 mA = xxxx >

xxxx

< 4 mA = xxxx >

xxxx

< 4 mA = xxxx >

xxxx

< 20mA = xxxx >

xxxx

< 20mA = xxxx >

xxxx

< 20mA = xxxx >

xxxx

< Time Const (Sec)

xxxx

< Time Const (Sec)

xxxx

< Time Const (Sec)

xxxx

Modbus Order

0-1:2-3

1-0:3-2

2-3:0-1

Comm Protocol

Modbus RTU

(None1, None2,

Odd, Even)

Baud Rate

19200

Address

1

**see below

**see below

**see below

**see below

*

- Physical Layer not available on Two
Wire Mass – Accessible via HART

**

- Modbus not available on Two
Wire Mass

- Energy available on EMS meters only

***

Scaled Frequency

More >

Modbus Units

(Internal/Display)

**see below

< Max. Frequency >

xxxxx

< Measure >

None
Mass

Volume

Temp 1,2

Press

Energy

< 0 Hz = (units) >

xxxx

< Max Hz = (units) >

xxxx

< Time Const (Sec)

xxxx

3-2:1-0

Density

***

BACnet Device ID

xxx

****see below

- BACnet meters only

****

*****

- 10000 Hz maximum

*****

BACnet MaxMaster

xxx

****see below

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-7

Example for Setting an Output

The following shows how to set Output 1 to measure mass flow with 4 mA = 0 lb/hr and 20 mA = 100 lb/hr with
a time constant of 5 seconds. (All outputs are disabled while using the Setup Menus.)

First, set the desired units of measurement:

1. Use  keys to move to the Units Menu (see page 3-12).

2. Press  key until Mass Flow Unit appears. Press ENTER.

3. Press  key until lb appears in the numerator. Press  key to move the underline cursor to the

denominator. Press the  key until hr appears in the denominator. Press ENTER to select.

4. Press  key until Units Menu appears.

Second, set the analog output:

1. Use  keys to move to the Output Menu.

2. Press the  key until 4-20 mA Output 1 appears.

3. Press  key to access Measure selections. Press ENTER and press the  key to select Mass. Press ENTER.

4. Press  key to set the 4 mA point in the units you have selected for mass of lb/hr. Press ENTER and

use  keys to set 0 or 0.0. Press ENTER.

5. Press  key to set the 20 mA point. Press ENTER and use  keys to set 100 or 100.0. Press ENTER.

6. Press  key to select the Time Constant. Press ENTER and use  keys to select 5. Press ENTER.

7. Press the EXIT key and answer YES to permanently save your changes.

Example for Calculating Output Current

Assume Output 1 is scaled as above for mass flow with 4 mA = 0 lb/hr and 20 mA = 100 lb/hr.
Output 1 current = ((Flow rate / 100) x 16 mA) + 4 mA

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-8 M-000-00010

Display Menu

Password

ENTER

Display

Menu

Cycle Time (sec)

0

ENTER

Run Mode

Number of Digits

2

MF Vf Te Pr De T

Y or N

A1 A2 A3 Fl Dt E

Y or N

If Cycle Time is set to zero, manual advance is required

Used to set the number of digits displayed after the decimal point

MF = Mass Flow
Vf = Volume Flow

Te = Temperature

Pr = Pressure

De = Density
T = Total

A1 = Alarm 1 Status
A2 = Alarm 2 Status
A3 = Alarm 3 Status
Fl = Fluid
Dt = Date and Time

For each parameter:

Select Yes to view parameter in Run Mode
Select No to hide parameter in Run Mode

Display TC (sec)

1

TC = Display Time constant, used to smooth display

*

E = Energy

*

Energy EMS Meters Only

Use

keys to access menus

Use the Display Menu to set the cycle time for automatic screen sequencing used in the Run
Mode, change the precision of displayed values, smooth the values or enable or disable each item
displayed in the Run Mode screens.

Example for Changing a Run Mode Display Item

The following shows how to remove the temperature screen from the Run Mode screens. Note: all outputs
are disabled while using the Setup Menus.

1. Use  keys to move to the Display Menu.

2. Press  key until Mf Vf Pr Te De T appears.

3. Press ENTER to select. Press  key until the cursor is positioned below Te.

4. Press  key until N appears. Press ENTER to select.

5. Press EXIT and then ENTER to save changes and return to the Run Mode.

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-9

Alarms Menu

Password

ENTER

Use
keys to access menus

Alarms

Menu

Relay Alarm 1

More >

ENTER

Run Mode

Relay Alarm 2

More >

Relay Alarm 3

More >

Alarm LOG

xx Files (ENTER)

Clear Alarm LOG?

YES or NO

<Measure> units

xxxx

xxxx

xxxx

Alarm File

Time
Date

(Press EXIT to return

to Alarm LOG)

* see below

Physical Layer does not exist on Two Wire
Mass - Accessible via HART

<Measure>

None
Mass

Volume

Temp 1,2

Press

Density

**

Energy

<Measure>

None
Mass

Volume

Temp 1,2

Press

Density

**

Energy

<Measure>

None
Mass

Volume

Temp 1,2

Press

Density

**

Energy

<Mode>

None

HIGH Alarm (>)

LOW Alarm (<)

<Mode>

None

HIGH Alarm (>)

LOW Alarm (<)

<Mode>

None

HIGH Alarm (>)

LOW Alarm (<)

<Measure> units

<Measure> units

*

** Energy EMS Meters Only

Example for Setting an Alarm

The following shows how to set Relay Alarm 1 to activate if the mass flow rate is greater than 100 lb/hr. You can
check the alarm configuration in the Run Mode by pressing the  keys until Alarm [1] appears. The lower line
displays the mass flow rate at which the alarm activates. Note: all outputs are disabled while using the Setup Menus.

First, set the desired units of measurement:

1. Use  keys to move to the Units Menu (see to page 3-12).

2. Press  key until Mass Flow Unit appears. Press ENTER.

3. Press  key until lb appears in the numerator. Press  key to move the underline cursor to the

denominator. Press the  key until hr appears in the denominator. Press ENTER to select.

4. Press  key until Units Menu appears.

Second, set the alarm:

1. Use  keys to move to the Alarms Menu.

2. Press the  key until Relay Alarm 1 appears.

3. Press  key to access Measure selections. Press ENTER and use the  key to select Mass. Press ENTER.

4. Press  key to select the alarm Mode. Press ENTER and use  key to select HIGH Alarm. Press ENTER.

5. Press  key to select the value that must be exceeded before the alarm activates. Press ENTER and use

 keys to set 100 or 100.0. Press ENTER.

6. Press the EXIT key to save your changes. (Alarm changes are always permanently saved.)

(Up to three relay alarm outputs are available depending on meter configuration.)

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-10 M-000-00010

Totalizer #1 Menu

Password

ENTER

Use
keys to access menus

Totalizer

Menu

Totaling
Inactive

Mass

Volume

ENTER

Run Mode

(unit) / Pulse

xxxx

Reset Total ?

YES or NO

Example:

Maximum flow rate = 600 gallons per minute

(600 gallons per minute = 10 gallons per second)

If unit per pulse is set to 600 gallons per pulse,

the totalizer will pulse once every minute.

If unit per pulse is set to 10 gallons per pulse,

the totalizer will pulse once every second.

Energy

Use the Totalizer Menu to configure and monitor the totalizer. The totalizer maximum count is
999,999,999 at which point it will roll over to 0. The totalizer output is a 50 millisecond (.05 second)
positive pulse (relay closed for 50 milliseconds). The totalizer cannot operate faster than one pulse
every 100 millisecond (.1 second). A good rule to follow is to set the unit per pulse value equal to the
maximum flow in the same units per second. This will limit the pulse to no faster than one pulse
every second.

Example for Setting the Totalizer

The following shows how to set the totalizer to track mass flow in kg/sec. (All outputs are disabled while using
the Setup Menus.)

First, set the desired units of measurement:

1. Use  keys to move to the Units Menu (see to page 3-12).

2. Press  key until Mass Flow Unit appears. Press ENTER.

3. Press  key until kg appears in the numerator. Press  key to move the underline cursor to the

denominator. Press the  key until sec appears in the denominator. Press ENTER to select.

4. Press  key until Units Menu appears.

Second, set the pulse output:

1. Use  keys to move to the Totalizer Menu.

2. Press the  key until Totaling appears.

3. Press ENTER and press the  key to select Mass. Press ENTER.

4. Press  key to set the pulse output in the units you have selected for mass flow of kg/sec. Press

ENTER and use  keys to set the pulse value equal to the maximum flow in the same units per

second. Press ENTER.

5. To reset the totalizer, press  key until Reset Total? appears. Press ENTER and the  key to reset the

totalizer if desired. Press ENTER.

6. Press the EXIT key and answer YES to permanently save your changes.

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-11

Totalizer #2 Menu

Password

ENTER

Use

keys to access menus

Totalizer

Menu

ENTER

Run Mode

Totaling

Inactive

Mass

Volume

Energy

Reset Total ?

YES or NO

Use the Totalizer #2 to Monitor Flow or Energy. The totalizer maximum count is 999,999,999 at
which point it will roll over to 0. Note that Totalizer #2 does not operate a relay, it is for monitoring
only.

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-12 M-000-00010

Energy Menu – For EMS Energy Meters Only

Password

ENTER

Use
keys to access menus

Energy

Menu

Loc in Sent

Flow

Yes or No

ENTER

Run Mode

Heating
System

Yes or No

% Returned

xxx

Configuration:

There are several possibilities regarding the measurement of water or steam energy given the location
of the meter and the use of a second RTD. The table below summarizes the possibilities:

Fluid

Meter Location

Second RTD

Measurement

Water

“Sent” Flow Line

“Return Flow Line

Change in Energy

Water

“Return” Flow Line

“Sent” Flow Line

Change in Energy

Water

“Sent” Flow Line

None

Outgoing Energy

Steam

“Sent” Flow Line

“Return” Flow Line

(condensate)

Change in Energy
Steam

“Sent” Flow Line

None

Outgoing Energy

As above, you must properly configure the meter in the Energy Menu.

1. Loc in Sent Flow? Select Yes or No based on where the meter is located. Refer to the above

table

2. Heating System? Select Yes for a hot water system used for heating. Select No for a chilled

water system used for cooling. Always select Yes for a steam system.

3. % Returned. Select a number between 0% and 100%. Estimate the amount of water that returns.

It is usually 100%, or can be less than 100% if historical data shows the amount of makeup water
used. If a second RTD is not used, set to 0%. When 0% is selected, the energy calculation
represents the outgoing energy only (no return energy is subtracted). NOTE: the meter ships

from the factory assuming 0% return and has a 1000 ohm resistor installed in the RTD #2
wiring location. This needs to be removed if the meter is to be used in a manner other than
with 0% return and with the customer supplied RTD in its place.

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-13

Fluid Menu

Password

ENTER

Fluid
Menu

Flowing Fluid

Liquids >

Goyal-Dorais >

API 2540 >

Nat Gas AGA8 >

Real Gas >

Other Gas >

ENTER

Run Mode

Other Liquids >

Liquified Gas >

Use

keys to access menus

< Liquid

Water

Ammonia

Chlorine

< Density >

xxxx

< AL >

xxxx

< BL
xxxx

< Mole Weight >

xxxx

< CRIT PRESS >

xxxx

< CRIT TEMP >

xxxx

< CRIT Z >

xxxx

< AL >

xxxx

< BL

xxxx

< Density @ 60F >

xxxx

< K0 >

xxxx

< K1 >

xxxx

< AL >

xxxx

< BL
xxxx

< Specific Gravity >

xxxx

< MoleFract N2 >

xxxx

<MoleFract CO2>

xxxx

<Ref Temp(F)>

xxxx

< Ref Press(PSIA)

xxxx

< Real Gas

Steam T & P Comp

Air

Argon

Ammonia

CO

CO2

Helium
Hydrogen
Methane

Nitrogen
Oxygen

Select “Steam T & P Comp” for VT and

in the run mode screens.

“Sat Steam T Comp” for the fluid type

VTP models. The VT model will display

For a V model in any fluid, enter nominal operating temperature and
pressure as simulated values in the diagnostics menu.

Propane

STD Press (PSIA)

xxxx

NORM Temp (C)

xxxx

NORM Press (KPA)

xxxx

STD Temp (F)

xxxx

Thermal Oil >

Ethylene Glycol >

< Specific Gravity >

xxxx

< Compress (Z) >

xxxx

< Viscosity

xxxx

< Liquified Gas

Carbon Dioxide

Nitrogen

Hydrogen

Oxygen

Argon

< Thermal Oil

Paratherm

Therminol VP-1

Dowtherm A

< % Volume @ 68 Deg. F

xx

Use the Fluid Menu to configure the flow meter for use with common gases, liquids and steam. Your
flow meter is pre-programmed at the factory for your application’s process fluid.

Reference Richard W. Miller, Flow Measurement Engineering Handbook (Third Edition, 1996),
page 2-75 for definition and use of the Goyal-Doraiswamy equation and page 2-76 for the
definition and use of the API 2540 equation. Also, see Appendix C for Fluid Calculation
equations.

The units of measurement used in the Fluid Menu are preset and are as follows:
Mole Weight = lbm/(lbm·mol), CRIT PRESS = psia, CRIT TEMP = °R, Density = lbm/ft3 and
Viscosity = cP (centipoise).

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-14 M-000-00010

Units Menu

Energy Unit
BTU, MBTU, MMBT, MWHr

Password

ENTER

Use
keys to access menus

Units

Menu

Mass Flow Unit

lb, Ston, Lton, gram
kg, Mton, scf, nm3

/

ENTER

Run Mode

Ston = Short Ton = 2000 lb

Lton = Long Ton = 2240 lb

Mton = Metric Ton = 1000 kg

sec, min, hr, day

Volume Flow Unit

gal, MilG, ImpG, bbl

lit, MilL, m3, ft3

Temperature Unit

Deg F, Deg C, Kelvin, Rankine

Pressure Unit

psi, inH2O, ftH2O, mmH2O, in HG,

mmHG, ATM, Bar, mBar, gm/cm2, kg/cm2,

Pascal, KiloPa, MegaPa, Torr, 4inH20, 4mmH2O

Density Unit
lbm/ft3, kg/m3, gm/cc, lbm/gal,

gm/mlit, kg/lit, gm/lit, lbm/in3

MilG = Million gallons

= Imperial gallon = 1.20095 US gallons

bbl = barrels = 42 US gallons

MilL = Million liters

4inH2O and 4mmH2O are based on

water at 4 degrees C.

Gauge Pressure Unit

Absolute / Gauge

Transducer reads in Absolute – if Gauge is desired

then atmospheric pressure at meter is needed

Atm. Pressure

14.6959

Menu is only activated if Gage Pressure is chosen
Enter the value in PSIA

ImpG

/

sec, min, hr, day

kWHr, HPHr, MCal,MJ

/

sec, min, hr, day

MBTU = Thousand BTU
MMBTU = Million BTU

Use the Units Menu to configure the flow meter with the desired units of measurement. (These
are global settings and determine what appears on all screens.

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-15

Time & Date Menu

Password

ENTER

Use

keys to access menus

Time & Date

Menu

Set Time

xx:xx:xx

ENTER

Run Mode

Set Date

xx/xx/xx

Use the Time and Date Menu to enter the correct time and date into the flow meter’s

memory. The parameters are used in the Run Mode and the alarm and system log
files.

Note: Time is displayed in AM/PM format, but military format is used to set the time.
For example, 1:00 PM is entered as 13:00:00 in the Set Time menu.

Example for Setting the Time

How to set the time to 12:00:00. You can check the time in the Run Mode by pressing the  keys
until the Time & Date screen appears. Note: all outputs are disabled while using the Setup Menus.

1. Use  keys to move to the Time and Date Menu.

2. Press  key until Set Time appears. Press ENTER.

3. Press  key until 1 appears. Press  key to move the underline cursor to the next digit.

Press the  key until 2 appears. Continue sequence until all desired parameters are en­tered. Press ENTER to return to the Time and Date Menu.

4. Press EXIT to return to the Run Mode.

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-16 M-000-00010

Diagnostics Menu

Password

ENTER

Use
keys to access menus

Diagnositcs

Menu

Sim Vor Freq

xxx

ENTER

Run Mode

Sim Temp 1, 2

xxx

Sim Pressure

xxx

Highest Velocity

xxx

Highest Temp 1, 2

xxx

Highest Pressure

xxx

System LOG

xx Files (ENTER)

Clear Sys LOG?

YES or NO

SysLog File #xx System Log File

Time
Date

Press EXIT to return

to System LOG

Momentarily displayed

Use Left and Right
arrows to access all
system log files

Simulate Vortex

Frequency (Hz)

* Simulate Temperature

* Simulate Pressure

Highest Recorded

Velocity

Highest Recorded

Temperature

Highest Recorded

Pressure

Highest Int Temp

xx

Lowest Int Temp

xx

Highest Electronics

Temperature

Lowest Electronics

Temperature

For a V model in any fluid, enter nominal operating temperature and
pressure as simulated values in the diagnostics menu.

* The unit of measure of the displayed value is the

same as the unit configured for the flow meter.

For a VT model in any fluid except steam, enter nominal operating
pressure as a simulated value in the diagnostics menu.

Use the Diagnostics Menu to simulate operation and review the system files. The system log files
contain time/date stamped messages including: power on, power off, programming time outs,
parameter faults, incorrect password entry and other various information relative to system
operation and programming.

The simulated inputs are for testing the meter to verify that the programming is correct. They are
also used to enter nominal operating temperature and pressure for the V only model. Simulated
vortex frequency allows you to enter any value for the sensor input in Hz. The meter will
calculate a flow rate based on the corresponding value and update all analog outputs (the
totalizer display and output is not affected by a simulated frequency). The simulated pressure
and temperature settings work the same way. The meter will output these new values and will use
them to calculate a new density for mass flow measurement. Note: when your diagnostic work is
complete, make sure to return the values to zero to allow the electronics to use the actual
transducer values. For the V only model keep the temperature and pressure at nominal operating
conditions.

Series M22/M23/M24 Instruction Manual Chapter 3 Operation

M-000-00010 3-17

If the meter display indicates a temperature or pressure fault, a substitute value can be entered to
allow flow calculations to continue at a fixed value until the source of the fault is identified and
corrected. The units of measure of the displayed values are the same as the units configured for
the flow meter.

Calibration Menu

Password

ENTER

Use
keys to access menus

Calibration

Menu

Meter Size

or Pipe ID

ENTER

Run Mode

Base Kf

xx.xxx

Vortex Coef Ck

xx

Low Flow Cutoff

xx

Serial Number

xxxxxxxxx

Inline style meter – meter size
Insertion style meter – pipe internal diameter (inches)

Meter calibration constant
Inline style meter – pulses / ft

3

Insertion style meter – pulses / ft

Adaptive filter setting

Low Flow Cutoff
setting displayed
in volumetric flow

units (view only)

< Vol (xxx/xxx) >

xxx

< Mass (xxx/xxx)

xxx

Low Flow Cutoff

setting displayed

in mass flow

units (view only)

Base Reynolds

xxxx.xx

Head Diameter in.

x.xxx

Abs Roughness in.

x.xxxx

Meter calibration constant

ID of insertion head

Pipe roughness

Roughness

Typical Surface Roughness (inches)
Type of Pipe

Steel, severely corroded

Steel, drawn, new
Steel, welded, new

Steel, galvanized, new

Steel, lightly corroded

Steel, light scaling

Steel, heavy scaling

Steel, sheet, smooth

Cast Iron, new
Cast Iron, corroded
Cast Iron, with scaling
Drawn Tubing, plastic

0.0024

0.003

0.0028

0.006

0.01

0.068

0.05

0.11

0.025

0.06

0.1

0.00006

Default value = 0.003

The Calibration Menu contains the calibration coefficients for the flow meter. These values
should by changed only by properly trained personnel. The Vortex Coef Ck and Low Flow Cutoff
are set at the factory. Consult the factory for help with these settings if the meter is showing
erratic flow rate.

Chapter 3 Operation Series M22/M23/M24 Instruction Manual

3-18 M-000-00010

Password Menu

Password

ENTER

Use
keys to access menus

Password

Menu

Set Password

1234

ENTER

Run Mode

Use the Password Menu to set or change the system password. The factory-set password
is 1234.

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-1

Chapter 4 Serial Communications

HART Communications

The HART Communications Protocol (Highway Addressable Remote Trans­ducer Protocol) is a bidirectional digital serial communications protocol. The
HART signal is based on the Bell 202 standard and is superimposed on 4-20 mA
Output 1. Peer-to-peer (analog / digital) and multi-drop (digital only) modes are
supported.

Wiring

The diagrams below detail the proper connections required for HART
communications:

Loop Powered Meter Wiring

LOOP

POWER

+ -

FREQ

OUT

PULSE

OUT

-- + +

OPTIONAL

BACKLIGHT

POWER

+ -

R load,
250 ohm
minimum

+

_

DC

Power

Supply

Remote Connection

for Communicator

Current

Meter

Field Connection

for Communicator

Vortex Meter

Figure 4-1.Loop Powered Meter Wiring (HART)

Warning!

Place controls in manual

mode when making

configuration changes to

the vortex meter.

Chapter 4 Serial Communications Series M22/M23/M24 Instruction Manual

4-2 M-000-00010

DC Powered Meter Wiring

R load,

250 ohm

minimum

+

_

DC
Power
Supply

Remote Connection

for Communicator

Field Connection

for Communicator

Current

Meter

Vortex Meter

4-20

mA 3

4-20

mA 1

DC PWR

+ - +

4-20

mA 2

- + - +

RS485

RS485

RS485 GND

-

OPTION 2

+

ALARM

2

PULSE

OUT

FREQ

OUT

+ - +

ALARM

1

-+ -

4

OPTION 1

1 2 3 15 2 3

ALARM

3

- + -

4 5

+

-

Figure 4-2.DC Powered Meter Wiring (HART)

AC Powered Meter Wiring

R load,
250 ohm
minimum

Remote Connection

for Communicator

Field Connection

for Communicator

Current

Meter

Vortex Meter

4-20

mA 3

AC

PWR

IN

4-20

mA 1

24

VDC

OUT

+ - +

4-20

mA 2

- + - +

RS485

RS485

RS485 GND

-

OPTION 2

+

ALARM

2

HOT / L1

PULSE

OUT

NEUT / L2

FREQ

OUT

+ - +

ALARM

1

-+ -

4

OPTION 1

1 2 3 15 2 3

ALARM

3

- + -

4 5

+

-

Figure 4-3.AC Powered Meter Wiring (HART)

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-3

HART Commands with the DD Menu

Online Menu

1 Process Variables

2 Device Setup

3 Maintenance

4 Diagnostics

1 Enter Password

2 Display Unit

3 Analog Output

4 External Loop

5 Meter Display

6 Alarm Setup

7 Totalizer

8 Fluid Menu

9 Energy Setup

Device Menu

Sensor Cal

Review

1 Mass flo unit
2 Vol unit
3 Temp unit
4 Energy flo unit
5 Line pres unit
6 Dens unit
7 Totalizer units
8 Std & Norm Cond

1 Disp Cycle
2 Disp Digits
3 Disp Damping
4 Init Displ.
5 Disp Show/Hide

1 Alarm Status
2 Alarm 1 Setup
3 Alarm 2 Setup
4 Alarm 3 Setup
5 Records in Log
6 Read Alarm Log
7 Alarm Log Clear

1 Total
2 Totalize
3 Amount/Pulse
4 Total 2
5 Totalize 2
6 Clear Totalizer

1 Mass Flo
2 Vol
3 Temp
4 Temp 2
5 Delta Temp.
6 Energy flo
7 Pres
8 Dens
9 Total
Total 2

1 Alarm 1 var
2 Alarm 1 typ
3 Alarm 1 set pt

1 Alarm 2 var
2 Alarm 2 typ
3 Alarm 2 set pt

1 Alarm 3 var
2 Alarm 3 typ
3 Alarm 3 set pt

1 Norm Temp
2 Norm Press
3 Std Temp
4 Std Press

To Analog Output Menu

To Fluid Menu

1 External Input
2 Ext. Loop Zero Value
3 Ext. Loop Full Scale
4 Ext. Loop Zero Count
5 Ext. Loop Span Count
6 Set Ext. 4 mA
7 Set Ext. 20 mA

Inactive
Temp1
Temp 2
Pressure

1 Meter Location
2 Heating or Cooling
3 % Return

To Sensor Cal Menu
To Review Menu

To Maintenance Menu

1 Date
2 Change Password
3 Line size
4 Meter size
5 Dev id
6 Tag
7 Descriptor
8 Message
9 Final asmbly num
Poll addr
Num req preams
Config Code
Compile Date
Compile Time
Signal Board Version
Hardware rev
Software rev
Master reset

To Diagnostics Menu

To Enter Password Menu

Chapter 4 Serial Communications Series M22/M23/M24 Instruction Manual

4-4 M-000-00010

HART Commands with the DD Menu Continued

1 Fix Analog Output
2 Trim Analog Output
3 Configure AO1
4 PV is
5 PV AO1 Out
6 PV % range
7 Configure AO2
8 SV is
9 SV AO2 Out
SV % range
Configure AO3
TV is
TV AO3 Out
TV % range
Configure AO4
QV is
QV AO4 Out
QV % range

1 PV is
2 PV AO1 Out
3 PV
4 PV % range
5 Apply values
6 PV Range unit
7 PV LRV
8 PV URV
9 PV AO1 Lo end pt
PV AO1 Hi end pt
PV AO1 Added damp

1 SV is
2 SV AO2 Out
3 SV
4 SV % range
5 Apply values
6 SV Range unit
7 SV LRV
8 SV URV
9 SV AO2 Lo end pt
SV AO2 Hi end pt
SV AO2 Added damp

1 TV is
2 TV AO3 Out
3 TV
4 TV % range
5 Apply values
6 TV Range unit
7 TV LRV
8 TV URV
9 TV AO3 Lo end pt
TV AO3 Hi end pt
TV AO3 Added damp

1 QV is
2 QV AO4 Out
3 QV
4 QV % range
5 QV Range unit
6 QV LRV
7 QV URV

8.QV AO4 Lo end pt
9 QV AO4 Hi end pt
QV AO4 Added damp

From Online Menu

Analog Output Menu

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-5

HART Commands with the DD Menu Continued

1 Analog output
2 External Loop
3 Vortex Cal

From Online Menu

Maintenance Menu

1 Fix analog output
2 Trim analog output

1 External Input
2 Ext. Loop Zero Value
3 Ext. Loop Full Scale Value
4 Ext. Loop Zero Count
5 Ext. Loop Span Count
6 Set Ext. 4 mA
7 Set Ext. 20 mA

1 Ck Value
2 Low flow cutoff
3 Auto Set Ck
4 Auto Set LFC

1 Fluid
2 Fluid Type

Water
Ammonia
Chlorine

From Online Menu

Fluid Menu

Liquid
Other Liquid
Goyal-Dorais
API-2540
Nat Gas AGA8
Real Gas
Other Gas
Liquified Gas
Thermal Oil
Ethylene Glycol

Other Liquid Density
Viscosity Coef AL
Viscosity Coef BL

Mol Weight
Crit Press
Crit Temp
Crit Z
AL
BL

Density @ 60F
API K0
API K1
API AL
API BL

AGA Ref Temp
AGA Ref Press
Specific Gravity
Mole Fract N2
Mole Fract CO2

Steam
Air
Argon
Ammonia
CO
CO2
Helium
Hydrogen
Methane
Nitrogen
Oxygen
Propane

Specific gravity
Compress
Viscosity

Carbon Dioxide
Nitrogen
Hydrogen
Oxygen
Argon

Chapter 4 Serial Communications Series M22/M23/M24 Instruction Manual

4-6 M-000-00010

HART Commands with the DD Menu Continued

1 Vel
2 Pres
3 Temp
4 Temp 2
5 Internal Temp
6 Vortex Diag.
7 Press Diag.
8 Temp Diag.
9 Int Temp Diag
Log
Status

1 Vtx Freq
2 Sim Vtx Freq
3 Vtx AtoD
4 Filter Set
5 Change Filter Set
6 High Pass Filter
7 Gain Set
8 Change Gain Set
9 Re
Vel
Max Vel
AD1
AD2
AD3
AD4
Ck
Level

From Online Menu

Diagnostics Menu

1 Model
2 Distributor
3 Write protect
4 Manufacturer
5 Dev id
6 Tag
7 Descriptor
8 Message
9 Date
Final asmbly num
Universal rev
Fld dev rev
Software rev
Poll addr
Num req preams

From Online Menu

Review Menu

1 Press
2 Sim Press
3 Excite
4 Excite AtoD
5 Sense
6 Sense AtoD
7 Max Press

1 Temp
2 Sim Temp
3 RTD1
4 RTD1 AtoD
5 Max temp
6 Temp 2
7 Sim Temp 2
8 RTD2
9 RTD2 AtoD
Max temp 2

1 Status group 0
2 Status group 1
3 Status group 2

SPI not communicating
Freq. Input Overrange
FRAM CRC error
Signal Board Power ...
RTD1 Fault
RTD2 Fault
Press. Transducer Fault

Totalizer Relay Overrange

Alarm 1 Set
Alarm 2 Set
Alarm 3 Set

1 Internal Temp (F)
2 Internal Temp (C)
3 Int. Max temp
4 Int. Min temp

1 Records in Log
2 Read System Log
3 System Log Clear

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-7

HART Commands with the DD Menu Continued

1 Calibration Review
2 Vortex Sensor
3 Vortex Cal
4 Press Sensor
5 Press Cal
6 Temp Sensor
7 Temp 1 & 2 Cal
8 Temp 2 Sensor
9 Cal. Correction

1 Vol unit
2 USL
3 LSL
4 Min Span
5 Snsr s/n
6 Sim Vtx freq
7 Max Vel
8 Vortex Diag

1 K Factor
2 Base Reynolds *
2 Ck Value
3 Low flow cutoff
4 Auto Set Ck
5 Auto Set LFC

1 Vtx Freq
2 Sim Vtx Freq
3 Vtx AtoD
4 Filter Set
5 Change Filter Set
6 High Pass Filter
7 Gain Set
8 Change Gain Set
9 Re
Vel
Max Vel
AD1
AD2
AD3
AD4
Ck
Level

From Online Menu

Sensor Cal Menu

1 Flow 1
2 Deviation 1
3 Flow 2
4 Deviation 2
5 Flow 3
6 Deviation 3
7 Flow 4
8 Deviation 4
9 Flow 5
Deviation 5
Flow 6
Deviation 6
Flow 7
Deviation 7
Flow 8
Deviation 8
Flow 9
Deviation 9
Flow 10
Deviation 10

1 Line pres unit
2 USL
3 LSL
4 Min span
5 Snsr s/n
6 Sim Press
7 Max Press
8 Press Diag

1 PCal B00
2 PCal B01
3 PCal B02
4 PCal B10
5 PCal B11
6 PCal B12
7 PCal B20
8 PCal B21
9 PCal B22
Ref. Resistance
Internal Temp. Cal
Cal Current

1 Temp unit
2 USL
3 LSL
4 Min span
5 Snsr s/n
6 Sim Temp
7 Max Temp
8 Temp Diag

1 RTD1 Ro
2 RTD1 alpha
3 RTD1 beta
4 RTD2 Ro
5 RTD2 alpha
6 RTD2 beta

1 Press
2 Sim Press
3 Excite
4 Excite AtoD
5 Sense
6 Sense AtoD
7 Max Press

1 Temp
2 Sim Temp
3 RTD1
4 RTD1 AtoD
5 Max Temp
6 Temp 2
7 Sim Temp 2
8 RTD2
9 RTD2 AtoD
Max temp 2

1 Temp unit
2 USL
3 LSL
4 Min span
5 Sim Temp 2
6 Max Temp 2
7 Temp Diag

1 Temp
2 Sim Temp
3 RTD1
4 RTD1 AtoD
5 Max Temp
6 Temp 2
7 Sim Temp 2
8 RTD2
9 RTD2 AtoD
Max temp 2

1 K Factor
2 Base Reynolds *
2 Ck Value
3 Low flow cutoff
4 RTD1 R0
5 RTD1 alpha
6 RTD1 beta
7 RTD2 R0
8 RTD2 alpha
9 RTD2 beta
Pcal B00, Pcal B01
Pcal B02, Pcal B10
Pcal B11, Pcal B12
Pcal B20, Pcal B21
Pcal B22
Ref. Resistance
Internal Temp. Cal
Cal current
Flow 1
Deviation 1
Flow 2
Deviation 2
Flow 3
Deviation 3
Flow 4
Deviation 4
Flow 5
Deviation 5
Flow 6
Deviation 6
Flow 7
Deviation 7
Flow 8
Deviation 8
Flow 9
Deviation 9
Flow 10
Deviation 10
Ext. Loop Zero Count
Ext. Loop Span Count

* If insertion vortex

Chapter 4 Serial Communications Series M22/M23/M24 Instruction Manual

4-8 M-000-00010

HART Commands with Generic DD Menu

Online Menu

1 Device setup
2 PV
3 PV Loop current

4 PV LRV
5 PV URV

1 Process Variables

2 Diag/Service

3 Basic Setup

4 Detailed Setup
5 Review

1 PV
2 PV % Rnge
3 PV Loop current

1 Distributor
2 Model
3 Dev id
4 Tag
5 Date
6 Write Protect
7 Descriptor
8 Message
9 PV snsr s/n
Final assy #
Revision #'s

1 Test Device
2 Loop Test
3 Calibration
4 D/A Trim

1 Tag
2 PV unit
3 Range Values
4 Device Information
5 PV Xfer fnctn
6 PV Damp

1 PV URV
2 PV LRV
3 PV Unit
4 PV LSL
5 PV USL

1 Universal Rev
2 Fld dev Rev
3 Software Rev

1 4 mA
2 20 mA
3 Other
4 End

1 Apply Values
2 Enter Values

1 4 mA
2 20 mA
3 Exit

1 PV URV
2 PV LRV
3 PV USL
4 PV LSL

1 Sensors

2 Signal Condition

3 Output Condition

4 Device Information

1 PV
2 PV Sensor Unit
3 Sensor information

1 PV Damp
2 PV URV
3 PV LRV
4 PV Xfer fnctn
5 PV % rnge

1 Analog Output
2 HART Output

1 Distributor
2 Model
3 Dev id
4 Tag
5 Date
6 Write Protect
7 Descriptor
8 Message
9 PV snsr s/n
Final assy #
Revision #'s

1 Loop current
2 AO alarm typ
3 Loop test
4 D/A trim

1 4 mA
2 20 mA
3 Other
4 End

1 Poll addr
2 Num req. preams
3 Burst mode
4 Burst option

1 Universal Rev
2 Fld dev Rev
3 Software Rev

1 PV URV
2 PV LRV

1 PV LSL
2 PV USL
3 PV Min span

1 PV URV
2 PV LRV

1 Model
2 Distributor
3 PV Unit
4 PV USL
5 PV LSL
6 PV Min span
7 PV Damp
8 PV % rnge
9 PV Xfer fnctn
PV Rnge unit
PV URV
PV LRV
PV Loop current
PV Alrm typ
PV Snsr s/n
Write protect
Manufacturer
Dev id
Tag
Descriptor
Message
Date
Universal rev
Fld dev rev
Software rev
Burst mode
Burst option
Poll addr
Num req preams

From Device setup / Review

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-9

Modbus Communications

Applicable Flow Meter Models

VorTek Pro-V® Mass Flow Meters, Models M22, M23, and M24 with Modbus
communication protocol and firmware version 4.00.58 and above.

Overview

This document describes the preliminary implementation of the Modbus
communication protocol for use in monitoring common process variables in the
VorTek Pro-V® Vortex flow meter. The physical layer utilizes the half-duplex
RS-485 port, and the Modbus protocol.

Reference Documents

The following documents are available online from www.modbus.org.

Modbus Application Protocol Specification V1.1
Modbus Over Serial Line Specification & Implementation Guide V1.0
Modicon Modbus Protocol Reference Guide PI–MBUS–300 Rev. J

Wiring

An RS485 daisy chained network configuration as depicted below is
recommended. Do not use a star, ring, or cluster arrangement.

RS-485 -

RS-485 +

RS-485 GND

RS-485 Master

Vortex Meter

RS-485 -

RS-485 +

RS-485 GND

RS-485 -

RS-485 +

RS-485 GND

Other Device 2, etc.

RS-485 -

RS-485 +

RS-485 GND

Other Device 1

Figure 4-4.RS-485 Wiring (MODBUS)

Pin Labeling (among devices)

“RS-485 –” = “A” = “TxD-/RxD-” = “Inverting pin”
“RS-485 +” = “B” = “TxD+/RxD+” = “Non-Inverting pin”
“RS-485 GND” = “GND” = “G” = “SC” = “Reference”

Warning!

Place controls in manual

mode when making

configuration changes to

the vortex meter.

Chapter 4 Serial Communications Series M22/M23/M24 Instruction Manual

4-10 M-000-00010

Menu Items

The following menu items are in the Output Menu and allow selection and
control of the Modbus communication protocol.

Address

When the Modbus protocol is selected, the Modbus address is equal to the

user programmable device address if it is in the range 1…247, in

accordance with the Modbus specification. If the device address is zero or
is greater than 247, then the Modbus address is internally set to 1.

Comm Protocol

The Comm Protocol menu allows selection of “Modbus RTU Even,” “Modbus
RTU Odd,” or “Modbus RTU None2,” or “Modbus RTU None1,” (non-standard

Modbus) with Even, Odd and None referring to the parity selection. When even
or odd parity is selected, the unit is configured for 8 data bits, 1 parity bit and 1
stop bit; with no parity, the number of stop bits is 1 (non-standard) or 2. When
changing the protocol, the change is made as soon as the Enter key is pressed.

Modbus Units

The Modbus Units menu is to control what units, where applicable, the meter’s
variables will be displayed in. Internal – these are the base units of the meter, °F,

psia, lbm/sec , ft3/sec, Btu/sec , lbm/ft3 Display – variables are displayed in user
selected display unit.

Modbus Order

The byte order within registers and the order in which multiple registers
containing floating point or long integer data are transmitted may be changed
with this menu item. According to the Modbus specification, the most
significant byte of a register is transmitted first, followed by the least significant
byte. The Modbus specification does not prescribe the order in which registers
are transmitted when multiple registers represent values longer than 16 bits.
Using this menu item, the order in which registers representing floating point or
long integer data and/or the byte order within the registers may be reversed for
compatibility with some PLCs and PC software.

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-11

The following four selections are available in this menu; when selecting an
item, the protocol is changed immediately without having to press the
Enter key.

0-1:2-3

Most significant register first, most significant byte first (default)

2-3:0-1

Least significant register first, most significant byte first

1-0:3-2

Most significant register first, least significant byte first

3-2:1-0

Least significant register first, least significant byte first

Table 4-1.Byte Order

Note that all of the registers are affected by the byte order, including strings and
registers representing 16-bit integers; the register order only affects the order of
those registers representing 32-bit floating point and long integer data, but does
not affect single 16-bit integers or strings.

Modbus Protocol

The Modbus RTU protocol is supported in this implementation. Supported baud
rates are 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200. The default
baud rate is 19200 baud. Depending upon the Modbus protocol selected, data are
transmitted in 8-bit data frames with even or odd parity and 1 stop bit, or no
parity and 2 or 1 (non-standard) stop bits.

The current Modbus protocol specification does not define register usage, but
there is an informal register numbering convention derived from the original
(now obsolete) Modicon Modbus protocol specification, and used by many
vendors of Modbus capable products.

Registers

Usage

Valid Function Codes

00001–09999

Read/write bits ("coils")

01 (read coils) 05 (write single coil)
15 (write multiple coils)

10001–19999

Read-only bits ("discrete inputs")

02 (read discrete inputs)

30001–39999

Read-only 16 bit registers ("input
registers"), IEEE 754 floating point
register pairs, arbitrary length strings
encoded as two ASCII characters per 16­bit register

03 (read holding registers) 04 (read
input registers)

40001–49999

Read/write 16-bit registers ("holding
registers"), IEEE 754 floating point
register pairs, arbitrary length strings
encoded as two ASCII characters per 16­bit register

03 (read holding registers) 06 (write
single register) 16 (write multiple
registers)

Chapter 4 Serial Communications Series M22/M23/M24 Instruction Manual

4-12 M-000-00010

Each range of register numbers maps to a unique range of addresses that are
determined by the function code and the register number. The address is equal to
the least significant four digits of the register number minus one, as shown in the
following table.

Registers

Function Codes

Data Type and Address Range

00001-09999

01, 05, 15

Read/write bits 0000-9998

10001-19999

02

Read-only bits 0000-9999

30001-39999

03, 04

Read-only 16-bit registers 0000-9998

40001-49999

03, 06, 16

Read/write 16-bit registers 0000-9998

Register Definitions

The meter serial number and those variables that are commonly monitored (mass,
volume and energy flow rates, total, pressure, temperature, density, viscosity,
Reynolds number, and diagnostic variables such as frequency, velocity, gain,
amplitude and filter setting) are accessible via the Modbus protocol. Long integer
and floating point numbers are accessed as pairs of 16-bit registers in the register
order selected in the Modbus Order menu. Floating point numbers are formatted
as single precision IEEE 754 floating point values.

The flow rate, temperature, pressure, and density variables may be accessed as
either the flow meter internal base units or in the user-programmed display

units, which is determined by the programming Output Menu’s “Modbus
Units” item. The display units strings may be examined by accessing their

associated registers. Each of these units string registers contain 2 characters of
the string, and the strings may be 2 to 12 characters in length with unused
characters set to zero. Note that the byte order affects the order in which the
strings are transmitted. If the Modbus Order menu (see page 2) is set to 0-1:2-3
or 2-3:0-1, then the characters are transmitted in the correct order; if set to 1­0:3-2 or 3-2:1-0, then each pair of characters will be transmitted in reverse
order.

Series M22/M23/M24 Instruction Manual Chapter 4 Serial Communications

M-000-00010 4-13

Registers

Variable

Data type

Units

Function
code

Addresses

65100-65101

Serial number

unsigned long

—

03, 04

30525-30526

Totalizer

unsigned long

display units*

03, 04

524-525

32037-32042

Totalizer units

string

—

03, 04

2036-2041

30009-30010

Mass flow

float

display units*

03, 04

8-9

30007-30008

Volume flow

float

display units*

03, 04

6-7

30005-30006

Pressure

float

display units*

03, 04

4-5

30001-30002

Temperature

float

display units*

03, 04

0-1

30029-30030

Velocity

float

ft/sec

03, 04

28-29

30015-30016

Density

float

display units*

03, 04

14-15

30013-30014

Viscosity

float

cP

03, 04

12-13

30031-30032

Reynolds number

float

—

03, 04

30-31

30025-30026

Vortex frequency

float

Hz

03, 04

24-25

34532

Gain

char

—

03, 04

4531

30085-30086

Vortex amplitude

float

Vrms

03, 04

84-85

30027-30028

Filter setting

float

Hz

03, 04

26-27

The following registers are available with the energy meter firmware:

Registers

Variable

Data type

Units

Function
code

Addresses

30527-30528

Totalizer #2

unsigned long

display units*

03, 04

526-527

32043-32048

Totalizer #2 units

string

—

03, 04

2042-2047

30003-30004

Temperature #2

float

display units*

03, 04

2-3

30011-30012

Energy flow

float

display units*

03, 04

10-11

The following registers contain the display units strings:

Registers

Variable

Data type

Units

Function code

Addresses

32007-32012

Volume flow units

string

—

03, 04

2006-2011

32001-32006

Mass flow units

string

—

03, 04

2000-2005

32025-32030

Temperature units

string

—

03, 04

2024-2029

32019-32024

Pressure units

string

—

03, 04

2018-2023

32031-32036

Density units

string

—

03, 04

2030-2035

32013-32017

Energy flow units

string

—

03, 04

2012-2017

Table 4-2.Register Definitions

Function codes 03 (read holding registers) and 04 (read input registers) are the
only codes supported for reading these registers, and function codes for writing
holding registers are not implemented. We recommend that the floating point and
long integer registers be read in a single operation with the number of registers
being a multiple of two. If these data are read in two separate operations, each
reading a single 16-bit register, then the value will likely be invalid.

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4-14 M-000-00010

The floating point registers with values in display units are scaled to the same
units as are displayed, but are instantaneous values that are not smoothed. If
display smoothing is enabled (non-zero value entered in the Display TC item
in the Display Menu), then the register values will not agree exactly with the
displayed values.

Exception Status Definitions

The Read Exception Status command (function code 07) returns the exception
status byte, which is defined as follows. This byte may be cleared by setting
“coil” register #00008 (function code 5, address 7, data = 0xff00).

Bit(s)

Definition

0-1

Byte order (see Modbus Order on page 2)

0 = 3-2:1-0 1 = 2-3:0-1

2 = 1-0:3-2 3 = 0-1:2-3

2

Not used

3

Not used

4

Not used

5

Not used

6

Not used

7

Configuration changed

Discrete Input Definitions

The status of the three alarms may be monitored via the Modbus Read Discrete
Input command (function code 02). The value returned indicates the state of the
alarm, and will be 1 only if the alarm is enabled and active. A zero value is
transmitted for alarms that are either disabled or inactive,

Registers

Variable

Function Code

Address

10001

Alarm #1 state

02

0

10002

Alarm #2 state

02

1

10003

Alarm #3 state

02

2

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M-000-00010 4-15

Control Register Definitions

The only writeable registers in this implementation are the Reset Exception
Status, Reset Meter and Reset Totalizer functions, which are implemented as

”coils” which may be written with the Write Single Coil command (function

code 05) to address 7 through 9, respectively, (register #00008 through #00010).
The value sent with this command must be either 0x0000 or 0xff00, or the meter
will respond with an error message; the totalizer will be reset or exception status
cleared only with a value of 0xff00.

Error Responses

If an error is detected in the message received by the unit, the function code
in the response is the received function code with the most significant bit set,
and the data field will contain the exception code byte, as follows:

If the first byte of a message is not equal to the unit’s Modbus address, if the
unit detects a parity error in any character in the received message (with even or
odd parity enabled), or if the message CRC is incorrect, the unit will not
respond.

Command Message Format

The start address is equal to the desired first register number minus one. The
addresses derived from the start address and the number of registers must all be
mapped to valid defined registers, or an invalid data address exception will occur.

Normal Response Message Format

Exception

Code

Description

01

Invalid function code — function code not supported by device

02

Invalid data address — address defined by the start address and number of registers

is out of range

03

Invalid data value — number of registers = 0 or >125 or incorrect data with the Write

Single Coil command

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4-16 M-000-00010

Exception Response Message Format

Examples

Read the exception status byte from the device with address 1:

01 07 41 E2

01 Device address
07 Function code, 07 = read exception status
41 E2 CRC

A typical response from the device is as follows:

01 07 03 62 31

01 Device address
07 Function code
03 Exception status byte
62 31 CRC

Request the first 12 registers from device with address 1:

01 04 00 00 00 0C F0 0F

01 Device address
04 Function code, 04 = read input register
00 00 Starting address
00 0C Number of registers = 12
F0 0F CRC

A typical response from the device is as follows: *note these are the older
register definitions

01 04 18 00 00 03 E8 00 00 7A 02 6C 62 00 00 41 BA 87 F2 3E BF
FC 6F 42 12 EC 8B 4D D1

01 Device address
04 Function code
18 Number of data bytes = 24
00 00 03 E8 Serial number = 1000 (unsigned long)
00 00 7A 02 Totalizer = 31234 lbm (unsigned long)
6C 62 00 00 Totalizer units = “lb” (string, unused characters
are 0)
41 BA 87 F2 Mass flow rate = 23.3164 lbm/sec (float)

3E BF FC 6F Volume flow rate = 0.3750 ft3/sec (float)
42 12 EC 8B Pressure = 36.731 psia (float)
4D D1 CRC

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M-000-00010 4-17

An attempt to read register(s) that don’t exist

01 04 00 00 00 50 F1 D2

01 Device address
04 Function code 4 = read input register
00 00 Starting address
00 50 Number of registers = 80
F0 36 CRC

results in an error response as follows:

01 84 02 C2 C1

01 Device address
84 Function code with most significant bit set indicates
error response
02 Exception code 2 = invalid data address
C2 C1 CRC

Request the state all three alarms:

01 02 00 00 00 03 38 0B

01 Device address
02 Function code 2 = read discrete inputs
00 00 Starting address
00 03 Number of inputs = 3
38 0B CRC

and the unit responds with:

01 02 01 02 20 49

01 Device address
02 Function code
01 Number of data bytes = 1
02 Alarm #2 on, alarms #1 and #3 off
20 49 CRC

To reset the totalizer:

01 05 00 00 FF 00 8C 3A

01 Device address
05 Function code 5 = write single coil
00 09 Coil address = 9
FF 00 Data to reset totalizer
5C 38 CRC

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4-18 M-000-00010

The unit responds with an identical message to that transmitted, and the totalizer

is reset. If the “coil” is turned off as in the following message, the response is

also identical to the transmitted message, but the totalizer is not affected.

01 05 00 09 00 00 1D C8

01 Device address
05 Function code 5 = write single coil
00 09 Coil address = 9
00 00 Data to “turn off coil” does not reset totalizer
1D C8 CRC

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M-000-00010 4-19

BACnet MS/TP Communications

1. BACnet MS/TP Description

The BACnet Master-Slave/Token-Passing (MSTP) driver
implements a data link protocol that uses the services of the RS­485 physical layer. The MS/TP bus is based on BACnet standard
protocol SSPC-135, Clause 9. BACnet MS/TP protocol is a peer­to-peer, multiple master protocols based on token passing. Only
master devices can receive the token, and only the device holding
the token is allowed to originate a message on the bus. The token is
passed from master device to master device using a small message.
The token is passed in consecutive order starting with the lowest
address. Slave devices on the bus only communicate on the bus
when responding to a data request from a master device.

2. Baud Rates on the MS/TP Bus

An MS/TP bus can be configured to communicate at one of four
different baud rates. It is very important that all of the devices on
an MS/TP bus communicate at the same baud rate. The baud rate
setting determines the rate at which devices communicate data
over the bus. The baud rate settings available on Pro-V™ Vortex
Mass Flow Meters are 9600, 19200 and 38400.

2.1. Baud Rate and MAC address configuration

1. Power on the IUT

2. Press Enter to go to the configuration menu

3. Enter the factory password 16363 (Use Up and Down arrows to enter

the digits)

4. Navigate with the left arrow to Diagnostics menu

5. Press Enter and press right button immediately

6. Navigate to Config Code screen by continuous pressing down button

7. After reaching config code screen, press right to navigate to Comm.

Type screen

8. Change the comm. Type to “BACnet” and press Enter

Note: BACnet will enable Baud Rate and MAC address screens

9. Press Exit twice to go back to the Diagnostics menu

10. Navigate to Output Menu by using right or left arrow buttons

11. Press Down button and reach Baud Rate and MAC address screens

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4-20 M-000-00010

12. Change the required settings and press Exit & Enter buttons to save

the configuration

13. Reboot the device by power off and on for the changes to take effect

Note:

a. IUT support 9600, 19200, 38400 baud rates
b. MAC address range is 0-127

3. Supported BACnet Objects

A BACnet object represents physical or virtual equipment
information, as a digital input or parameters. The Pro-V™ Vortex
Mass Flow Meters presents the following object types:

a. Device Object
b. Analog Input
c. Binary Input
d. Binary Value

Each object type defines a data structure composed by properties
that allow the access to the object information. The below table
shows the implemented properties for each Vortex Mass Flow
Meters object type.

Properties

Object Types

Device

Analog Input

Binary Input

Binary

Value

Object_Identifier

  



Object_Name

  



Object_Type

  



System_Status



Vendor_Name



Vendor_Identifier



Model_Name



Firmware_Revision



Application-Software-Version



Protocol_Version



Protocol_Revision



Protocol_Services_Supported



Protocol_Object_Types_Supported



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M-000-00010 4-21

(W) – Writable Property.

3.1. Device Object:

The Device object default property values are as follows –

Property Name

Default Values

object-identifier

7

object-name

Device,1

object-type

Device

system-status

operational

vendor-name

VorTek Instruments

vendor-identifier

558

model-name

Multivariable Flowmete

firmware-revision

N/A

application-software­version

1.07

protocol-version

1

protocol-revision

4

protocol-services­supported

{F,F,F,F,F,F,F,F,F,F,F,F,T,F,T,T,T,T,F,F,F,F,F,F,F,F,F,F,F,F,T,T,F,F,F,F,F}

protocol-object-types-

{T,F,F,T,F,T,F,F,T,F,F,F,F,F,F,F,F,F,F,F,F,F,F,F,F}

Object_List



Max_ADPU_Length_Accepted



Segmentation_Supported



ADPU_Timeout



Number_Of_ADPU_Retries



Max_Masters



Max_Info_Frames



Device_Address_Binding



Database_Revision



Status_Flags

Event_State







Reliability

Out_Of_Service

 (W)

 (W)

 (W)

Units



Polarity

 (W)

Priority_Array

Relinquish_Default

Status_Flag







Present_Value

 (W)

 (W)

 (W)

Inactive_Text

Active_Text

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4-22 M-000-00010

supported

object-list

{(analog-input,1),(analog-input,2),(analog-input,3),(analog-input,4),
(analog-input,5), (analog-input,6),(analog-input,7),(analog-input,8)
(analog-input,9),(analog-input,10), (analog-input,11), (analog­input,12), (analog-input,13),(analog-input,14), (analog­input,15),(analog-input,16),(analog-input,17), (analog­input,18),(analog-input,19),(binary-input,1),(binary-input,2),(binary­input,3),(binary-input,4), (binary-value,1), (device,7) }

max-apdu-length­accepted

300

segmentation-supported

no-segmentation

apdu-timeout

3000

number-of-APDU-retries

1

max-master

127

max-info-frames

1

device-address-binding

()

database-revision

0

Note - Device Communication Control: Password – “vortek”

3.2. Analog Input Object:

Vortex Mass Flow Meters Analog Input type objects are described
in the below Table –

Object Instance

Object Name

Unit

Description

1

Volume Flow

cubic-feet-per-second,
cubic-feet-per-minute,
us-gallons-per-minute,
imperial-gallons-per­minute,
liters-per-minute,
liters-per-second,
liters-per-hour,
cubic-meters-per-second,
cubic-meters-per-minute,
cubic-meters-per-hour

This AI object is used to

measure volume flow.

2

Mass Flow

pounds-mass-per-second,
grams-per-second,
kilograms-per-second ,
kilograms-per-minute ,
kilograms-per-hour,
pounds-mass-per-minute ,
pounds-mass-per-hour,

This AI object is used to

measure mass flow.