Meriam MDT500 Manual de usuario

MDT500 Multivariable

Digital Transmitter

10920 Madison Ave

Cleveland · Ohio

44102

1-216-928-1100

1-800-817-7849

www.Meriam.com

9R216-B February 2019

MDT500 User Manual 2

Advisory statements

Disclaimer

Every precaution has been taken in the preparation of this

manual. Nevertheless, Meriam assumes no responsibility for

errors or omissions or any damages resulting from the use of

the information contained in this publication, including,

without limitation, incidental, special, direct or consequential

damages. MERIAM MAKES NO REPRESENTATIONS OR

WARRANTIES WITH RESPECT TO THE ACCURACY OR

COMPLETENESS OF THE CONTENTS HEREOF AND

SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES

OF MERCHANTABILITY OR FITNESS FOR ANY

PARTICULAR PURPOSE. Meriam reserves the right to revise

this publication and to make changes from time to time in the

content hereof without obligation to notify any person of such

revision or changes.

This publication is proprietary to Meriam and no ownership

rights are transferred. Neither this manual, nor any of the

material contained herein, may be reproduced without the prior

written consent of Meriam.

Trademarks

LabVIEW®

LabVIEW® is a registered trademark of National Instruments.

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MDT500 User Manual 3

Safety Symbols

Safety Symbols Explaining the symbols

This is the

Read Instruction Manua

l symbol. This symbol

indicates that you must read the instruction manual.

This is the

Safety Alert

symbol. This symbol indicates a WARNING.

Warnings alert you to actions that can cause personal injury or

pose a physical threat. Please read these carefully.

Indicates a potentially hazardous situation which, if not avoided,

will result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided,

could result in minor or moderate injury.

Indicates information essential for proper product installation,

operation or maintenance.

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MDT500 User Manual 4

Safety Information

Preventing injury

Failure to follow all instructions could result in injury:

•Read.

•Understand.

•Follow all safety warnings and instructions provided with

this product.

•Meet or exceed your employer’s safety practices.

Fire or Explosion Hazard

This instrument is not intrinsically safe.

Do not use or service in areas that may contain flammable gas

or vapors, combustible dusts or ignitable fibers where an

unintended spark can cause a fire or explosion.

Pressure Limits

Do not

exceed the Pressure Limits listed in the Specifications

section of this manual. Failure to operate within the specified

pressure limit could result in death or serious injury.

Maximum Input Voltage

1. Do not exceed the Maximum Input Voltage listed under

“Power Requirements” in the Specification section of this

manual

2. Disconnect power before servicing.

3. Substitution of components may impair operation and

safety.

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MDT500 User Manual 5

Meriam Contact Information

Meriam Process Technologies

Address Meriam Process Technologies

10920 Madison Avenue

Cleveland, Ohio 44102

USA

Telephone US customers: + 1-800-817-7849

International customers: + 1-216-281-1100

Fax US customers: + 1-216-281-0228

International customers: + 1-216-281-0228

E-mail addresses Departments E-mail addresses

Return Material Authorization /

Service & Repair Department

returnforms@meriam.com

Sales sales@meriam.com

Website www.meriam.com

Local Meriam Representatives

Find a local Meriam

representative

To find a find local Meriam representative, use this map to find contact

information: REP LOCATOR.

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MDT500 User Manual 6

Contents

Advisory statements

........................................2

Disclaimer .................................................2

Trademarks

.....................................................2

LabVIEW®..................................................2

Safety Symbols

................................................3

Safety Symbols..........................................3

Explaining the symbols .............................3

Safety Information

...........................................4

Preventing injury .......................................4

Fire or Explosion Hazard...........................4

Pressure Limits .........................................4

Maximum Input Voltage............................4

Meriam Contact Information

...........................5

Included with the MDT500

..............................7

Contents ....................................................7

USB Drivers on www.Meriam.com ...........7

Interface Accessories

......................................8

Part numbers for accessories ..................8

Installation and Operation

...............................9

Software Environment ..............................9

MDT and LFE Connections

............................10

Properly using the RTD Probe ................10

50MC2 / 50MR2 Series LFE..................10

MDT and LFE Connections (continued)

.........11

50MK10, 50MJ10, 50MW20, 50MH10,

50MY15 Series LFE ................................11

Zeroing the MDT500

.....................................12

Zeroing the Differential Pressure Sensor

.................................................................12

Unzip this file MDTSDK_1_2_0.zip........13

Software Updates

..........................................14

Updating the firmware ........................... 14

Unzip the Meriam Setup Utility.............. 14

For use with the ZMDT500-X-485 model

................................................................ 14

Service and Calibration

................................. 15

Overview ................................................. 15

Meriam Shipping and Receiving Policies

................................................................ 15

Returning for repairs

..................................... 16

First — Request a Number.................... 16

Return Material Authorization ............... 16

Questions? Call Meriam ........................ 16

Ship the box to ....................................... 16

Packing Instructions for the LFE and MDT

.... 17

We recommend the following:............... 17

Figure 1—Loosen the hex nuts .............. 17

Figure 2—Lift MDT away from LFE......... 17

Specifications

............................................... 18

Overall Technical Specifications ............... 18

Specifications (continued)

............................ 19

Resistance or Temperature Measurement

..................................................................... 19

Specifications (continued)

............................ 20

Resistance or Temperature Measurement

(continued) ................................................. 20

Certifications: CE Markings

........................... 21

Compliant with European Directives..... 21

Hazardous Material and Recycling Compliance

...................................................................... 21

Compliant with European Directives..... 21

Spare Parts

................................................... 22

Spare part numbers............................... 22

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MDT500 User Manual 7

Included with the MDT500

Contents

•RTD Probe

•USB cable

•A NIST traceable calibration certificate for model numbers:

Model Calibration

ZMDT-X-X purchased without an LFE will receive a

multi-point pressure calibration.

ZMDT-X-X-MT and LFE purchased as a system will receive

a 3-point air flow calibration.

USB Drivers on www.Meriam.com

You must install USB drivers on the computer you use with the

MDT500 before the MDT500 will function. You can find these

on the website under USB drivers at

http://www.meriam.com/assets/eng/9R607-IR.pdf.

The PDF includes links to the drivers.

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MDT500 User Manual 8

Interface Accessories

Part numbers for accessories

The following table lists part numbers for various accessories

available to assist you in configuring or communicating with

the MDT500.

Part Number Description Accessory Status

Z9P703 Male Adapter Standard, LFE

mounted model

ZA36894-3 Male Connector Standard, LFE

mounted model

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MDT500 User Manual 9

Installation and Operation

Software Environment

The MDT500 is designed to be operated with a

Windows

computer and the Meriam Software Development Kit (SDK).

This kit is provided to make it easier to integrate with your

systems. The SDK includes libraries for calculating flow rate

and for communicating with the device to take measurements

and access configuration options. Example applications are

provided as source code and as executables that implement key

features of the Virtual Flow Instrument library.

Note: You can use the SDK as both a .NET Class Library and a

LabVIEW VI Library. Read the Meriam_SDK_Overview.pdf

and the Help file located in the SDK Documentation directory.

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MDT500 User Manual 10

MDT and LFE Connections

Properly using the RTD Probe

1. Connect the supplied RTD Probe before you use the

MDT500.

2. Do not allow the RTD probe sheath to directly contact line

voltage. For example: 120 V ac.

3. Use with high power (500 mA) USB ports or powered USB

hubs only.

4. Keep at least four inches from high-power, 3-phase cables.

5. Do not run in parallel with 3-phase power cables.

6. Cross existing AC power cables at right angle only when

necessary for routing purposes.

50MC2 / 50MR2 Series LFE

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