Omega Products RD-MV204 Installation Manual

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User’s Guide

RD-MV200 SERIES

Recorder

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Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

Foreword

Notes

Thank you for purchasing the Omega RD-MV200.
This User’s Manual contains useful information about the functions, installation, wiring,
operating procedures, and troubleshooting of the RD-MV200. To ensure correct use,
please read these manuals thoroughly before operation.
Keep this manual in a safe place for quick reference in the event a question arises.
The following three manuals, including this one, are provided as manuals for the RD­MV200.

Manual Name Manual No. Description

RD-MV200 User's Manual M3642 This manual. Explains all functions and

procedures of the RD-MV200 excluding the
communication functions.

RD-MV100/RD-MV200 M3643 Explains the communication functions of
Communication the Ethernet/serial interface.
Interface User's Manual

RD-MV100/RD-MV200 M3644 Describes the functions and operating
DAQSTANDARD Software procedures of DAQSTANDARD Software

that comes with the package.

• This manual describes the RD-MV200 style number “S3.”

• The contents of this manual are subject to change without prior notice as a result of
continuing improvements to the RD-MV200’s performance and functions.

• Every effort has been made in the preparation of this manual to ensure the accuracy
of its contents. However, should you have any questions or find any errors, please
contact Omega.

• Copying or reproducing all or any part of the contents of this manual without Omega’s
permission is strictly prohibited.

Trademarks

• Microsoft, MS-DOS, Windows, and Windows NT are either registered trademarks or

• Zip is a registered trademark of Iomega Corporation.

• Adobe and Acrobat are trademarks of Adobe Systems incorporated.

• Company and product names that are used in this manual are trademarks or

Revisions

First edition: September 2000

Disk No. RE28

1st Edition: September 2000 (YK)

All Rights Reserved, Copyright © 2000 Omega

trademarks of Microsoft Corporation in the United States and/or other countries.

registered trademarks of their respective holders.

i

Safety Precautions

The RD-MV200 conforms to IEC safety class I (AC power supply models are provided
with terminal for protective grounding), Installation Category II, and EN61326-1 (EMC
standard), class A (use in a commercial, industrial, or business environment).
The following general safety precautions must be observed during all phases of
operation. If the RD-MV200 is used in a manner not specified in this manual, the
protection provided by the RD-MV200 may be impaired. Omega assumes no liability for
the customer’s failure to comply with these requirements.

The following symbols are used on the RD-MV200.

“Handle with care.” To avoid injury, death of personnel or damage to
the instrument, the operator must refer to the explanation in the User’s
Manual or Service Manual.

Functional ground terminal. Do not use this terminal as a protective
ground terminal.

AC

ON (power)

OFF (power)

ii

Safety Precautions

Make sure to comply with the following safety precautions. Failure to comply may
result in injury or death (electric shock hazard).

WARNING

Power Supply

Ensure that the source voltage matches the voltage of the power supply before
turning ON the power.

Connecting to the power supply

To prevent the possibility of electric shock or fire, use parts provided by Omega
in connecting to the power supply. For AC power supply models, the power
plug must be plugged into an outlet with a protective earth terminal. Do not
invalidate this protection by using an extension cord without protective earth
grounding.

Protective Grounding (AC power supply models)

Make sure to connect the protective grounding to prevent electric shock before
turning ON the power.

Necessity of Protective Grounding (AC power supply models)

Never cut off the internal or external protective grounding wire or disconnect the
wiring of the protective grounding terminal. Doing so poses a potential shock
hazard.

Defect of Protective Grounding

Do not operate the instrument when the protective grounding or the fuse might
be defective. Also, make sure to check them before operation.

Fuse

To prevent fire, only use a fuse that has a rating (voltage, current, and type) that
is specified by the instrument. When replacing a fuse, turn OFF the power
switch and unplug the power cord. Never short the fuse holder.

Do Not Operate in Explosive Atmosphere

Do not operate the instrument in the presence of flammable liquids or vapors.
Operation of any electrical instrument in such an environment constitutes a
safety hazard.

Do Not Remove Covers

Some areas inside the instrument have high voltages. Do not remove the cover
if the power supply is connected. The cover should be removed by Omega’s
qualified personnel only.

External Connection

Connect the protective grounding before connecting to the item under
measurement or control unit.

Damage to the protective housing

Using the instrument in a manner not specified in this manual can damage the
instrument’s protective housing.

iii

Checking the Contents of the Package

SUFFIX

STYLE

MODEL

NO

Unpack the box and check the contents before operating the RD-MV200. If some of the
contents not correct or missing or if there is physical damage, contact the dealer from
which you purchased them.

RD-MV200 Main Unit

There is a name plate on the rear side of the RD-MV200. Check that the model name
and suffix code given on the name plate match those on the order.

MODEL

–1
–2
–3

Suffix code

–2

–1
–2

Optional
code

MV200 (4 ch)
MV200 (8 ch)
MV200 (10 ch)
MV200 (20 ch)
MV200 (30 ch)
Floppy disk
Zip disk
ATA flash memory card
English/German/French, deg.F, DST (English standard
software included)
Clamped input terminal
Screw input terminal

–1
–2

D
F
R
S

100V AC, 240 VAC

*1

12 VDC
3-pin inlet. A power cord (UL, CSA) is attached.
3-pin inlet. A power cord (VDE) is attached.
3-pin inlet. A power cord (SAA) is attached.
3-pin inlet. A power cord (BS) is attached.
Alarm output relay (2 relays)

/A1

Alarm output relay (2 relays)/remote control

/AR1

Alarm output relay (4 relays)

/A2

Alarm output relay (4 relays)/remote control

/AR2

Alarm output relay (6 relays)

/A3

Alarm output relay (12 relays)

/A4

Alarm output relay (24 relays)

/A5

RS-232 interface

/C2

RS-422-A/485 interface

/C3

VGA output

/D5

FAIL/memory end output relay

/F1

Computation function (report function included)

/M1

Remote control

/R1

Model
code

RD-MV204
RD-MV208
RD-MV210
RD-MV220
RD-MV230

External
storage
medium
Language

Input Terminal

Power Supply

Power Connection

Options

Description

*2

*2*3

*2

*2*3

*2

*2

*2*4

*5

*5

*4

*3

*1 With an AC adapter.
*2 /A1, /AR1, /A2, /AR2, /A3, /A4, and /A5 cannot be specified simultaneously.
*3 /AR1, /AR2, and /R1 cannot be specified simultaneously.
*4 /A5 and /F1 cannot be specified simultaneously.
*5 /C2 and /C3 cannot be specified simultaneously.

NO. (Serial No.)

When contacting the dealer from which you purchased the RD-MV200, please quote the
serial No.

iv

Standard Accessories

The following standard accessories are supplied with the RD-MV200. Make sure that all
items are present and undamaged.

Checking the Contents of the Package

4.One of these power cord types is supplied according
to the instrument’s suffix code

1

2

6.One of these power cord types is supplied according to the suffix code

-D

UL/CSA Standard

3

-F

VDE Standard

D

SAA Standard

F

-R

-S

BS Standard

S

R

5

7

8

9 10 11

Number Part Name Part Number/Model Q’ty Notes

1 Terminal screw 5 M4

2 Application RD-DXA100-02 1 Included only when the suffix code for

software language is “-2.” For Windows 95/98/NT.

Provided on two 3.5” floppy disks.

3 External storage A1053MP 1 Zip disk, included only when the suffix

medium code for external storage medium is “-2.”

A1134UN 1 ATA flash memory card, included only

when the suffix code for external storage
medium is “-3.”

4 Power cord A1006WD 1 Provided only when the suffix code for

power connection is “D.”

A1009WD 1 Provided only when the suffix code for

power connection is “F.”

A1024WD 1 Provided only when the suffix code for

power connection is “R.”

A1023WD 1 Provided only when the suffix code for

power connection is “S.”

5 AC adapter B9230ZW 1 Provided only when the suffix code for

power supply is “-2.”

6 Power cord for – 1 Provided only when the suffix code for

AC adapter power supply is “-2.”

7 DC power supply A1105JC 1 Provided only when the suffix code for

terminal connector power supply is “-2.”

8 Fuse A1423EF 1 250 V 4 A, time lag (when the suffix code

for power supply is “-1”).

A1354EF 1 250 V 6.3 A, time lag (when the suffix

code for power supply is “-2”).

9 User’s Manual M3642 1 This manual

10 User’s Manual M3643 1 Communication function

11 User’s Manual M3644 1 DAQstandard software

v

Checking the Contents of the Package

Optional Accessories (Sold Separately)

The following optional accessories are available for purchase separately. If you make an
order, make sure that all items are present and undamaged.
For information about ordering accessories, contact the dealer from which you
purchased the RD-MV200.

Number Part Name Part Number/Model Q’ty Notes

1 3.5” floppy disk 7059 00 10 2HD

2 Zip disk A1053MP 1 100 MB

3 ATA flash memory card A1134UN 1 20 MB

4 Shunt resistor 4159 20 1 250 Ω ±0.1%

(for the screw terminal) 4159 21 1 100 Ω ±0.1%

5 Shunt resistor 4389 20 1 250 Ω ±0.1%

(for the clamped 4389 21 1 100 Ω ±0.1%
input terminal) 4389 22 1 10 Ω ±0.1%

6 Fuse A1423EF 4 250 V 1.25 A time

7 Cover 790511 1

Software (Sold Separately)

The following software application is available:

Name Model Required O/S Notes

DAQEXPLORER RD-DXA200-02 Windows 95/98, Windows NT4.0 Provided on two 3.5”

4159 22 1 10 Ω ±0.1%

lag (for AC power
supply model)

A1354EF 4 250 V 6.3 A, time

lag (for 12 VDC
power supply
model)

floppy disks.

vi

How to Use this Manual

Structure of the Manual

This User’s Manual consists of the following 14 chapters, an appendix, and an index.
For information about the communication functions and the standard software, see the
respective manuals (M3643 and M3644).

Chapter Title and Contents

1 Overview of Functions

2 Before Using the RD-MV200

3 Names of Parts/Run Mode/Common Operations

4 Switching Operation Screens

5 Measurement Channel Settings

6 Acknowledging and Setting Alarms

7 Setting and Operating the Display

8 Data acquisition and Saving to External Storage Medium

9 Managing Files and Initializing Data

10 Other Functions

11 Computation/Report Function (Option)

12 Troubleshooting

13 Maintenance

14 Specifications

Appendix Describes the initial values of the setting mode and basic setting mode, file

Index

Describes the functions of the RD-MV200.

Describes the installation and wiring procedures.

Describes the names of each part of the RD-MV200, how to use the storage
medium drive, run mode, and common key operations.

Describes how to use the operation screen such as the trend display and digital
display. Describes the operations that can be performed using the arrow keys
and the DISP/ENTER key on the front panel.

Describes how to set input specifications such as the range, filter, moving
average, scan interval, integration time of the A/D converter, burnout, and
reference junction compensation.

Describes how to acknowledge alarms and how to set alarms.

Describes how to set the display specification of the operation screen, how to
display messages, and other display-related operations.

Describes how to acquire the measured/computed data and how to save the data
to the external storage medium.

Describes how to save and load the setup data, manage files on the external
storage medium, save the data residing in the internal memory to the external
storage medium using key operations, initialize the internal memory, and other
operations.

Describes how to set and operate key lock, key login/logout, user key, and other
functions.

Describes how to use the optional computation (report) function.

Describes the error messages and the troubleshooting measures of the
RD-MV200.

Describes fuse replacement and other information.

Describes the specifications of the RD-MV200.

formats of ASCII files.

Note

This manual covers information regarding RD-MV200s that have a suffix code for language “-

2” (English).

vii

How to Use this Manual

Conventions Used in this Manual

Unit

K ....... Denotes “1024.” Example: 768 KB (File capacity)

k ........ Denotes “1000.”

M ....... Denotes “1024K.” Example: 1.44 MB (Storage capacity of floppy disks)

B ....... “Bytes.” Example: 1.44 MB (Storage capacity of floppy disks)

Symbols

The following symbols are used in this manual.

Affixed to the instrument. Indicates danger to personnel or
instrument and the operator must refer to the User’s Manual.
The symbol is used in the User’s Manual to indicate the
reference.

WARNING

CAUTION

Note

Notation regarding procedures

On pages that describe the operating procedures in Chapter 3 through 11, the following
symbols are used to distinguish the procedures from their explanations.

[ ] ............ Represents contents that are displayed on the screen. Example: [Volt]

⇒ “ ” ....... Indicates a reference item. Example: ⇒ “1.3 Display Function”

#1

Procedure

Explanation

Describes precautions that should be observed to prevent injury
or death to the user.

Describes precautions that should be observed to prevent minor
or moderate injury, or damage to the instrument.

Provides important information for the proper operation of the
instrument.

to

#9

Follow the steps indicated with numbers. The procedures are

given with the premise that the user is carrying out the steps for the

first time

This section describes the setting parameters and the limitations

regarding the procedures. It does not give a detailed explanation of

the function. For detail on the function, see chapter 1.

.......... Denotes the soft key that is used to make a

selection on the setting and basic setting

menus.

viii

Contents

1

Foreword ......................................................................................................................................... i

Safety Precautions .......................................................................................................................... ii

Checking the Contents of the Package ..........................................................................................iv

How to Use this Manual ................................................................................................................ vii

Chapter 1 Overview of Functions

1.1 Overview of the RD-MV200 ............................................................................................. 1-1

1.2 Functions of the Input Section ......................................................................................... 1-2

1.3 Display Function .............................................................................................................. 1-5

1.4 Storage Function ............................................................................................................ 1-20

1.5 Alarm Function ............................................................................................................... 1-22

1.6 Computation Function and Report Function

(/M1 Option) ...................................................................................................................1-25

1.8 Other Functions ............................................................................................................. 1-29

Chapter 2 Before Using the RD-MV200

2.1 Precautions on the Use of the RD-MV200 ....................................................................... 2-1

2.2 Installing the RD-MV200 .................................................................................................. 2-2

2.3 Input Signal Wiring ........................................................................................................... 2-3

2.4 Alarm Output Wiring (/AR1, /AR2, /A1, /A2, /A3, /A4, /A5 Option) ................................... 2-8

2.5 FAIL/Memory End Wiring (/F1 Option) ........................................................................... 2-11

2.6 Remote Control Wiring (/R1 Option) .............................................................................. 2-12

2.7 VGA Output Wiring (/D5 Option) .................................................................................... 2-13

2.8 Power Supply Wiring ...................................................................................................... 2-14

2

3

4

5

6

7

8

9

10

Chapter 3 Names of Parts/Run Mode/Common Operations

3.1 Names of Parts and Functions ......................................................................................... 3-1

3.2 Turning ON/OFF the Power Switch.................................................................................. 3-4

3.3 Inserting/Removing the External Storage Medium .......................................................... 3-5

3.4 Run Mode ........................................................................................................................ 3-7

3.5 Configuring the Functions .............................................................................................. 3-10

3.6 Common Key Operations ............................................................................................... 3-19

3.7 Setting the Date and Time ............................................................................................. 3-24

Chapter 4 Switching Operation Screens

4.1 Operation Screens ........................................................................................................... 4-1

4.2 Using the Status Display Section ..................................................................................... 4-2

4.3 Using the Trend, Digital, and Bar Graph Screens ............................................................ 4-5

4.4 Using the Overview Screen ........................................................................................... 4-12

4.5 Using the Information Screen (Alarm Summary, Message Summary, and Memory

Summary) ...................................................................................................................... 4-14

4.6 Using the Historical Trend .............................................................................................. 4-20

4.7 Using the 4 Screen Display ............................................................................................ 4-25

11

12

13

14

App

Index

ix

Contents

Chapter 5 Measurement Channel Settings

5.1 Voltage Input Setting ........................................................................................................5-1

5.2 Thermocouple (TC)/Resistance Temperature Detector (RTD) Setting ............................ 5-3

5.3 Digital Input (DI) Setting ...................................................................................................5-5

5.4 Difference Computation (Delta) Setting. .......................................................................... 5-7

5.5 Scaling Setting ................................................................................................................. 5-9

5.6 Square Root Computation Setting ................................................................................. 5-11

5.7 Skip Setting .................................................................................................................... 5-13

5.8 Input Filter and Moving Average Setting ........................................................................ 5-14

5.9 Setting the A/D Integration Time, Scan Interval, Burnout, and Reference Junction

Compensation (Basic Setting Mode) ............................................................................. 5-15

Chapter 6 Acknowledging and Setting Alarms

6.1 Releasing the Alarm Indication and Output Relay (Option) ............................................. 6-1

6.2 Alarm Setting ................................................................................................................... 6-5

6.3 Setting the Alarm Delay Period ........................................................................................ 6-8

6.4 Setting the Auxiliary Alarm Function (Basic Setting Mode) ............................................ 6-10

Chapter 7 Setting and Operating the Display

7.1 Setting Tag Names ........................................................................................................... 7-1

7.2 Selecting Tag Display or Channel Number Display (Basic Setting Mode) ....................... 7-2

7.3 Setting the Display Update Rate (Trend) ......................................................................... 7-3

7.4 Using Message Strings (Trend) ....................................................................................... 7-4

7.5 Setting the Message String (Trend) ................................................................................. 7-7

7.6 Setting Groups ................................................................................................................. 7-8

7.7 Setting the Trip Line (Trend) .......................................................................................... 7-10

7.8 Setting the Channel Display Colors (Trend, Bar Graph) ................................................ 7-12

7.9 Using Zone Displays (Trend) ......................................................................................... 7-13

7.10 Setting the Scale Division, Bar Graph Base Position (Bar Graph), and

Scale Position (Trend).................................................................................................... 7-15

7.11 Using Partial Expanded Display (Trend) ........................................................................ 7-20

7.12 Setting Whether or Not to Use the Partial Expanded Display (Basic Setting Mode) ..... 7-22

7.13 Setting the Display Direction, Background Color, Waveform Line Width,

Trip Line Width, Grid, and Scroll time ............................................................................ 7-23

7.14 Setting the Brightness of the Screen and the Backlight Saver Function ........................ 7-25

7.15 Assigning a Name to the 4 Screen Display .................................................................... 7-26

Chapter 8 Data Acquisition and Saving to External Storage Medium

8.1 Data Types to be Acquired and Saved............................................................................. 8-1

8.2 Function to Acquire Display Data and Event Data ........................................................... 8-3

8.3 Function to Acquire Other Data........................................................................................ 8-9

8.4 Function that Saves the Data in the Internal Memory to the External Storage Medium .... 8-10

8.5 Acquiring Display Data ................................................................................................... 8-12

8.6 Acquiring Event Data ..................................................................................................... 8-13

8.7 Saving the Data in the Internal Memory to the External Storage Medium ..................... 8-15

8.8 Setting the Auto Save Interval for the Display Data ....................................................... 8-18

8.9 Setting the File Header, Directory Name, and the Saved Data during Manual Save..... 8-20

8.10 Setting the Channels to Display the Trend and Acquire the Data (Basic Setting Mode) ... 8-22

8.11 Setting the Method of the Display/Event Data Acquisition (Basic Setting Mode)........... 8-23

8.12 Storing Measured/Computed Data at Arbitrary Times (Manual Sampling) .................... 8-26

x

Contents

Chapter 9 Managing Files and Initializing Data

9.1 Saving/loading setup data ................................................................................................ 9-1

9.2 Saving data in the internal memory to the external storage medium using key operation ... 9-5

9.3 Viewing Display Data in the External Storage Medium .................................................... 9-6

9.4 Viewing Event Data in the External Storage Medium ...................................................... 9-7

9.5 Managing files/Displaying free space on the external storage medium ........................... 9-8

9.6 Saving the Screen Image ............................................................................................... 9-13

9.7 Clearing Data from the Internal Memory ........................................................................ 9-14

9.8 Initializing Setup Data .................................................................................................... 9-15

Chapter 10 Other Functions

10.1 USER Key ...................................................................................................................... 10-1

10.2 Assigning an Action to the USER Key ........................................................................... 10-2

10.3 Using Key Lock .............................................................................................................. 10-3

10.4 Setting the Key Lock Function (Basic Setting Mode) ..................................................... 10-4

10.5 Using the Key Login/Logout Function ............................................................................ 10-6

10.6 Setting the Key Login/Logout Functions (Basic Setting Mode) ...................................... 10-8

10.7 Displaying the Log Screen/System Screen .................................................................. 10-10

10.8 Setting the Memory End Relay Output Time (/F1 Option, Basic Setting Mode) .......... 10-12

10.9 Setting the Remote Control Functions (/R1 Option, Basic Setting Mode) ................... 10-13

10.10 Setting the Displayed Language (Basic Setting Mode) ............................................... 10-16

10.14 Using the Daylight Savings Time Adjustment Function ............................................... 10-22

10.15 Setting the Temperature Unit (Basic Setting Mode)..................................................... 10-24

Chapter 11 Computation/Report Function (Option)

11.1 Overview of the Computation Function .......................................................................... 11-1

11.2 Explanation of Computing Equations ............................................................................. 11-4

11.3 Using the Computation Function .................................................................................... 11-8

11.4 Setting Computation Channels .................................................................................... 11-10

11.5 Setting the Alarm.......................................................................................................... 11-13

11.6 Setting Constants ......................................................................................................... 11-15

11.7 TLOG Computation ...................................................................................................... 11-16

11.8 Setting the Timer Number and Sum Scale for TLOG Computation ............................ 11-18

11.9 Setting the Timer (Basic Setting Mode) ....................................................................... 11-19

11.10 Using the Rolling Average............................................................................................ 11-21

11.11 Overview of the Report Function ................................................................................. 11-23

11.12 Using the Report Function ........................................................................................... 11-26

11.13 Setting the Report Function (Basic Setting Mode) ...................................................... 11-27

Chapter 12 Troubleshooting

12.1 A List of Messages ......................................................................................................... 12-1

12.2 Troubleshooting Flow Chart ........................................................................................... 12-8

1

2

3

4

5

6

7

8

9

10

11

12

13

14

App

Index

xi

Contents

Chapter 13 Maintenance

13.1 Periodic Maintenance .................................................................................................... 13-1

13.2 Replacing the Fuse ........................................................................................................ 13-2

13.3 Calibration ...................................................................................................................... 13-3

13.4 Recommended Replacement Periods for Worn Parts ................................................... 13-5

Chapter 14 Specifications

14.1 Input Specifications ........................................................................................................ 14-1

14.2 Display Specifications .................................................................................................... 14-3

14.3 Data Storage Specifications ........................................................................................... 14-5

14.4 Alarm Function Specifications ........................................................................................ 14-9

14.5 Specifications of Communication Functions ................................................................ 14-10

14.6 Specifications of Optional Functions ............................................................................ 14-11

14.7 General Specifications ................................................................................................. 14-14

14.8 Dimensional Drawings ..........................................................................................................

14-19

Appendix

Appendix 1 Parameters and Initial Settings ...........................................................................App-1

Appendix 2 Data Formats of ASCII Files ............................................................................... App-7

Index

xii

Chapter 1 Overview of Functions

RD-MV200

External storage media

Floppy disk

Zip disk

ATA flash memory card

1.1 Overview of the RD-MV200

Unlike conventional recorders that record data on charts, the RD-MV200 displays the
measured data acquired in the internal memory to a LCD in the form of waveforms,
numerical values, and bar graphs. The measured data can also be saved to external
storage media such as floppy disks, Zip disks, and ATA flash memory cards.

The data that have been saved to an external storage medium can be displayed on a PC
using the standard software that comes with the package. The data can also be loaded
into the RD-MV200 to be displayed.
By using the Ethernet interface that comes standard with the RD-MV200, the data can be
transferred to a server on a network (client function). The data stored on the RD-MV200’s
external storage medium can also be read from a PC on the network (server function).

RD-MV200

RD-MV200

1

Overview of Functions

Measured data

Server

Primary Secondary

PC

Data on the external storage medium

The communication functions such as the Ethernet interface are not covered in this
manual. See the RD-MV100/RD-MV200 Communication Interface User’s Manual (M3643).

RD-MV200 RD-MV200

1-1

1.2 Functions of the Input Section

Number of Measurement Channels/Scan Interval

The number of measurement channels and scan intervals for different models are listed
in the table below. For the procedure related to setting the scan interval, see section 5.9.

Model Number of Measurement Channels Scan interval

RD-MV204 4 channels 125 ms or 250 ms
RD-MV208 8 channels 125 ms or 250 ms
RD-MV210 10 channels 1 s or 2 s
RD-MV220 20 channels 1 s or 2 s
RD-MV230 30 channels 1 s or 2 s

Input Type and Computation

You can select the input type of a measurement channel from DC voltage, thermocouple,
resistance temperature detector (RTD), and digital input (contact signal or voltage
signal). You can also perform computation on the measured data such as the
“difference,” “square root,” and “scaling.”
The input type and computation are configured as an “input mode” on the RD-MV200.
For the procedure related to setting the different modes, see sections 5.1 to 5.7.

Input Mode Notation*1Description

DC voltage Volt Measures a DC voltage in the range ±20 mV to ±20 V.
Thermocouple TC Measures the temperature corresponding to the appropriate

Resistance RTD Measures the temperature corresponding to the appropriate
temperature range for Pt100, JPt100, Cu10*2, and CU25*2.
detector
Digital input DI Displays the contact input or voltage input signals by

Difference Delta When the input type*3 is set to “DC voltage,”

Square root Sqrt When the input type*3 is set to “DC voltage,” the square root

Scaling Scale When the input type*3 is set to “DC voltage,”

Skip Skip Channels that are not measured. They are not displayed.

range for R, S, B, K, E, J, T, N, W, L, and U.

correlating them to 0% or 100% of the display range.
Contact input: Closed contact is “1.” Open contact is “0.”
Voltage input: Less than 2.4 V is “0.” Greater than or equal
to 2.4 V is “1.”

“thermocouple,” “RTD,” or “digital input,” the value obtained
by subtracting the measured value of another channel (this
channel is called a “reference channel”) from the input
signal of the channel set to compute the difference is
displayed as the measured value of that channel.

of the input signal of the channel set to compute the square
root is displayed as the measured value of that channel.
The computed result can be scaled to a value in the
appropriate unit and displayed.

“thermocouple,” “RTD,” or “digital input,” the input signal
can be converted to a value in the appropriate unit desired
and displayed.

1-2

*1 Notation used by the RD-MV200 to represent the input modes. It is used when setting the

measurement channels.
*2 This is optional.
*3 This item defines the type of signals that can be connected to the input terminal when the

input mode is set to “Difference,” “Square root,” or “Scaling.” The description of the input

types, “DC voltage,” “Thermocouple,” “Resistive temperature detector,” and “Digital input,” are

the same as the descriptions given for the input modes, “DC voltage,” “Thermocouple,”

“Resistive temperature detector,” and “Digital input,” respectively.

1.2 Functions of the Input Section

If the signal to be measured is a DC current, a shunt resistance is attached to the input
terminal to convert the current signal to a voltage signal. The input mode is set to “DC
voltage” in this case. For the various types of shunt resistors and the procedure related
to setting the current input, see section 5.1.

Input Range and Measurable Range

You can select the “Input range” that is appropriate for the input signal for “DC voltage,”
“Thermocouple,” “RTD,” and “digital input.” (For example, R, S, B, K, E, J, T, N, W, L,
and U are available input ranges for “Thermocouple.”) For each “Input range,” a
measurable range is defined (for example, the measurable range for R of
“Thermocouple” is “0.0°C to 1760°C”). For details, see section 14.1.

Burnout

When measuring temperature using a thermocouple and the thermocouple burns out,
you can specify the measurement result to be set to positive over range*

2

over range.*

Burnout can be set on each measurement channel. The initial setting is

set so that burnout is not indicated. For the setting procedure, see section 5.9.

*1 Positive over range is a condition in which the input signal is over the upper limit of the

measurable range. The measured value is indicated as “+

*2 Negative over range is a condition in which the input signal is below the lower limit of the

measurable range. The measured value is indicated as “-

Reference junction compensation (RJC)

When measuring the temperature using a thermocouple, the reference junction
compensation can be used. You can select whether to use the reference junction
compensation provided by the RD-MV200 or external reference junction compensation.
If you are using external reference junction compensation, you will also set the
reference voltage. The initial setting is set so that the reference junction compensation
provided by the RD-MV200 is used. For the setting procedure, see section 5.9.

1

Overview of Functions

1

or negative

.”

.”

Filter and Moving Average

The filter and moving average are used to suppress the effects of noise that is riding on
the signal. Filtering is provided on the RD-MV204 and RD-MV208. Moving average is
provided on the RD-MV210, RD-MV220, and RD-MV230. The filter or moving average
can be set on each channel. For the setting procedure, see section 5.8.

Filter function (RD-MV204 and RD-MV208)

Suppresses the effects of noise above the frequency determined by the specified time
constant. The time constant can be set to 2 s, 5 s, or 10 s. The filter is initially turned
OFF.

Effects of using filter(Output response fot a step input)

Input

63.2% of the output value

Output response curve (when using the filter)

2, 5, 10 s (time constant, the time it takes to reach 63.2% of the output value)

1-3

1.2 Functions of the Input Section

Moving Average (RD-MV210, RD-MV220, and RD-MV230)

The input signal of the measurement channel is set to the averaged value of the m most
current data points (the number of moving-averaged data points) acquired at the scan
interval. The number of moving-averaged data points can be set in the range 2 to 16.
The moving average is initially turned OFF.
The figure below shows an example indicating the operation of the buffer for the moving
average computation when the number of moving averaged data points is set to “5.”

Buffer data at the
nth sampling

10.0 mV

1

5.0 mV

2

0.0 mV

3

–5.0 mV

4

–10.0 mV

5

Moving average value

0.0 mV

Integration Time of the A/D Converter

The RD-MV200 uses an A/D converter to convert the sampled analog signal to a digital
signal. By setting the integration time to match the time period corresponding to one
cycle of the power supply or an integer multiple of one cycle, the power supply frequency
noise can be effectively eliminated. The integration time of the A/D converter is selected
according to the model from the table below. If “Auto” is selected, the RD-MV200 will
automatically detect the power supply frequency and select 16.7 ms or 20 ms. Because
100 ms is an integer multiple of 16.7 ms and 20 ms, this setting can be used to eliminate
the power frequency noise for either frequency, 50 Hz or 60 Hz. 100 ms is available on
the RD-MV210, RD-MV220, and RD-MV230. For the setting procedure, see section 5.9.

Model Integration Time of the A/D Converter

RD-MV204/RD-MV208 Select 16.7 ms (60 Hz), 20 ms (50 Hz), or auto (Automatically

RD-MV210/RD-MV220/RD-MV230

Buffer data at the
n+1th sampling

New data

15.0 mV

10.0 mV

5.0 mV

0.0 mV

–5.0 mV

Deleted

switches between 16.7 ms and 20 ms. Fixed to 20 ms on 12 VDC
power supply model.)

Select 16.7 ms (60 Hz), 20 ms (50 Hz), 100 ms, or auto
(Automatically switches between 16.7 ms and 20 ms. Fixed to 20
ms on 12 VDC power supply model.)

5.0 mV

Deleted

Buffer data at the
n+2th sampling

New data

10.0 mV

15.0 mV

10.0 mV

5.0 mV

0.0 mV

8.0 mV

1-4

1.3 Display Function

Common Items Related to the Display

10.4” TFT Color LCD and the Screen Configuration

The RD-MV200 has a 10.4” TFT color LCD (480-by-640 dot resolution). The screen
consists of the status display section and the data display section.

• Status Display Section

Displays the displayed screen name, date and time, internal memory/external storage
medium usage condition, alarm condition, key lock, user name (key login function),
and computation condition (option). For details, see section 4.2.

• Data Display Section

• Displays the operation screen such as the trend display, digital display, and bar
graph display of the measured and computed data as well as alarm, message, and
file information.

• Displays the setup screen for the setting and basic setting modes when the
RD-MV200 is being configured. For details related to the setting and basic setting
modes, see section 3.5.

1

Overview of Functions

Status display section

Data display section

Group Display

The data displayed on the trend, digital, and bar graph displays are the data of
measurement or computation channels that are assigned to the group. Up to 10
channels can be assigned to a single group. For the procedure used to assign channels
to groups, see section 7.6, “Setting Groups.” Up to four groups can be registered. The
groups are common to the trend, digital, and bar graph displays.
On the trend, digital, and bar graph displays, the displayed groups can be automatically
switched at 5 s, 10 s, 20 s, 30 s, or 1 min intervals.

Channel Number or Tag Display

The channels can be displayed as channel number or tags. The setting applies to all
channels. For the procedure related to the selecting the channel display or tag display,
see section 7.2. For the procedure related to setting the tags, see section 7.1.

1-5

1.3 Display Function

Trend Screen

Displays the waveform of the measured and computed data. The direction of the
waveform display can be set to horizontal or vertical. For details related to the display
method, see section 4.3.

Trend Display (Horizontal)

Display update rate

Numerical display section

Tag/Channel no.

Measured
/computed value

Unit

Pointer (displayed using
the channel color)

Alarm mark
This area is displayed
using the channel color.

Messages (message mark, time, message)

Trip line

Scale

Trend Display (Vertical)

Scale

Trip line

Message

Unit

Tag/Channel no.

Alarm mark

Measured/computed value

Updating the Waveform and Updating the Numerical Display

One division on the RD-MV200 consists of 30 dots on the LCD. The displayed
waveform is updated at an interval corresponding to one dot. This interval is
determined by the time period corresponding to one division (referred to as the display
update rate). The relationship between the display update rate and the speed of
movement of waveforms is as follows:

Display Update 15 s* 30 s* 1 min 2 min 5 min 10 min 20 min 30 min 1 h 2 h 4 h
Rate (/div)

Speed of movement 2376 1188 594 297 119 59 30 20 10 5 2.5
of waveforms
(approximate value, mm/h)

* for RD-MV204 and RD-MV208 only

Note

The speed of movement of the trend display along the time axis is derived from the following

equation given the dot pitch of the LCD (0.33 mm):

The speed of movement of the trend display along the time axis = 30 (dots) x 0.33 (mm) x 60

(min)/display update rate (min)

1-6

Measured/computed values are updated every second. However, when the scan
interval on the RD-MV210/RD-MV220/RD-MV230 is 2 s, the display update rate is also
2 s.

1.3 Display Function

Displayed Data

The data displayed on the screen are a maximum and minimum values of the data that
are sampled at the scan interval, within the time period corresponding to one dot.

Displayed data of the waveform (when the display update rate is set to one minute)

Maximum value

Minimum value

{

2 s (1 dot)

{

1 division (30 dots)

1 min

When the display update rate is set to one
minute, the time period corresponding to
one dot (the sampling interval of displayed
data) is 2 s.

The time period corresponding to one dot is called “the sampling interval of displayed
data.” The sampling interval of displayed data is determined by the display update rate.
The relationship between the display update rate and the sampling interval of displayed
data is as follows:

Display Update 15 s* 30 s* 1 min 2 min 5 min 10 min 20 min 30 min 1 h 2 h 4 h
Rate (/div)

Sampling interval of 0.5 1 2 4 10 20 40 60 120 240 480
displayed data (s)

* for RD-MV204 and RD-MV208 only

For the procedure related to setting the display update rate, see section 7.3.

1

Overview of Functions

Displayed Information

The following Information can be displayed.

Information Description

All channel display Waveforms of all channels that were set to display the trend

Message display Messages specified by the user can be displayed at

Display direction of waveforms The waveform can be displayed vertically or horizontally.

Displayed color of waveforms The displayed color of waveforms can be specified for each

Thickness of waveform lines You can select from three types: 1, 2, or 3 dots. The

Trip line display Displays a line to indicate a particular value of interest (trip

are displayed on one trend screen. ⇒“Sections 4.3 and

8.10”

arbitrary points in time. For example, by displaying a
message when a certain operation is carried out, the point
at which the operation is carried out can be seen visually.
Displayed messages are stored. ⇒“Sections 7.4 and 7.5”

The vertical display is in the same direction as the chart
recorder and is convenient when the RD-MV200 is used
with the chart recorder. ⇒“Section 7.13”

channel. The color also applies to the bar graph display.
⇒“Section 7.8”

specified thickness of waveform lines applies to all
channels. ⇒“Section 7.13”

line) for each group. You can select the thickness of the
displayed line from three types: 1, 2, or 3 dots. Up to four
trip lines can be displayed on a single group. ⇒“Sections

7.7 and 7.13”

1-7

1.3 Display Function

Scale display A scale appropriate for the measured item can be displayed

for each channel. The number of divisions of the display
scale created by the main scale marks can be set to a value
in the range 4 to 12 div (also applies to the bar graph
display). Medium and small scale marks are displayed in
between the main scale marks.
You can select whether or not to display the scale for each
channel and the display position. ⇒“Section 7.10”

Turn ON/OFF the numerical The numerical display section can be turned ON or OFF. If
display section the numerical display section is turned OFF, the display

shows only the waveform and the scale. ⇒“Section 4.3.”

Zone display The waveform of each channel is displayed in its display

range (zone). The waveforms are easier to view, because
they do not overlap. See the explanation of the zone
display below. ⇒“Section 7.9”

Partial expanded display You can expand the important section of the display area.

See the explanation of the partial expanded display below.
⇒“Sections 7.11 and 7.12”

Explanation regarding the zone display

The display range of the waveform is called a zone. Zones can be set for each channel.
The waveforms can be set in different zones, so that they are easier to view. In the
example shown in the figure below, channel 1 is displayed in the zone 0 to 30%, channel
2 in the zone 30 to 60%, and channel 3 in the zone 60 to 100%.

Normal display

100%

CH3

CH2

CH1

0%

Zone display

100%

Zone 3

60%

Zone 2

30%

Zone 1

0%

Explanation regarding the partial expanded display

By compressing a section of the display scale of the waveform, the remaining section of
the display is expanded. You specify a value on the display scale (boundary value) to be
moved to another position on the display scale (boundary value displacement position).
In the example shown in the figure below, 0 V (boundary value) is moved to the 30%
position of the display scale (boundary value displacement position). The section below
the boundary (accounts for 30% of the entire display) represents –6 V to 0 V and the
section above the boundary (accounts for 70% of the entire display) represents 0 V to 6
V.

1-8

Measured
value

6 V

3 div 1 div 0 1 div

2 div

% of full
display span

3 div

Normal Display Partial Expanded Display

2 div

Measured
value

6 V

500

3 div 1 div 0 1 div

2 div

2 div

% of full
display span

100100

300

0–6 V–6 V 0

3 div

Expanded
portion

Compressed
portion

Alarm mark

Unit
Measured
/computed value

Tag/Channel no.

Bar graph

Lower limit of span

Scale

Upper limit of span

Alarm point mark

1.3 Display Function

Digital Screen

Bar graph Screen

The measured/computed data are displayed using numerical values in large size. See
section “4.3.”

Measured/computed value

Unit

Tag/Channel no.

Alarm mark

Updating of the Numerical Display

Measured/computed values are updated every second. However, when the scan
interval on the RD-MV210/RD-MV220/RD-MV230 is 2 s, the display update rate is also
2 s.

The measured/computed data are displayed using bar graphs. See section 4.3.

Bar graph display (Horizontal)

Starting point of the bar (center)

Alarm point mark

Bar graph

Tag/Channel no.

Unit
Alarm mark
Alarm type

1

Overview of Functions

Bar graph display (Vertical)

Measured
/computed data

1-9

1.3 Display Function

Overview Screen

Updating of the Bar Graph and the Numerical Display

Measured/computed values and bar graphs are updated every second. However, when
the scan interval on the RD-MV210/RD-MV220/RD-MV230 is 2 s, the display update
rate is also 2 s.

Displayed Information

The following Information can be displayed.

Information Description

Display direction The bar graphs can be displayed horizontally or vertically.

Base position When the bar graph is displayed horizontally, the starting point

Displayed color The displayed color of the channels are common with the trend

Scale display The number of divisions of the scale can be set to a value in the

⇒ “Section 7.13”

of the bar (base position) can be set to the minimum edge of the
measurement scale or to the center position. ⇒ “Section 7.10”

display. ⇒ “Section 7.8”

range 4 to 12. ⇒ “Section 7.10”
(common with the trend display)

A list of measured/computed values and alarm conditions of all measurement/
computation channels is displayed. You can move the cursor to select a channel and
display the trend or bar graph of the group containing the selected channel. For the
procedure used to display the overview, see section 4.4.

Measured/computed value

Cursor

Tag/Channel no.

The area corresponding to a channel on which
an alarm is occurring is displayed in red.

Alarm mark

Updating of the Numerical Display

Measured/computed values are updated every second. However, when the scan interval
on the RD-MV210/RD-MV220/RD-MV230 is 2 s, the display update rate is also 2 s.

1-10

Alarm Summary

1.3 Display Function

A list of the most recent alarms can be displayed. By scrolling the screen using arrow
keys, up to 120 incidents can be displayed.
By selecting an alarm from the list using arrow keys, the historical trend of the display
data or event data containing the alarm can be recalled. For a description on the
historical trend display, see “Historical Trend” in this section. For the operating
procedure, see section 4.5.

Number of the alarm information displayed at the bottom of the screen

Number of the alarm information in the internal memory

Tag/Channel no.

Cursor

Mark (see section 6.1)

Alarm No. (1, 2, 3, 4) /Type (H, L, h, l, R, r, T, t)

Date & Time
(alarm activated)

The historical trend of the data containing the selected
alarm (display data example)

Date & Time
(alarm released)

1

Overview of Functions

1-11

1.3 Display Function

Message Summary

The messages that were entered in the trend display and the times when they were
entered (message information) are displayed in a list. By scrolling the screen using
arrow keys, up to 100 incidents can be displayed.
By selecting a message from the list using arrow keys, the historical trend of the display
data or event data containing the message can be recalled. For a description on the
historical trend display, see “Historical Trend” in this section. For the operating
procedure, see section 4.5.

Number of the message displayed at the bottom of the screen

Number of the messages in the internal memory

Message Date and time the message was written

Cursor

The historical trend of the data containing the selected
message (display data example)

1-12

1.3 Display Function

Memory Summary

The information pertaining to the display data file and event data file in the internal
memory is displayed. Display data correspond to the data on the trend display. Event
data are data acquired to the internal memory according to the specified sampling
interval and data collection period. The data are separate from the display data.
In addition, the number of manual sampled data, TLOG data (option), and report data
(option) residing in the internal memory are displayed. For models that have the alarm
output relays (option), the ON/OFF state of the relays are also listed.
For details related to the data residing in the internal memory, see section 1.4.
By selecting the display data file or event data file using the arrow keys, the historical
trend display can be recalled. For a description on the historical trend display, see
“Historical Trend” in this section. For the operating procedure, see section 4.5.

Number of data sets in the internal memory/The maximum number of data sets the internal memory can hold

Date and time the last data were acquired

Status of alarm output relays
Red: Activated
Green: Released
Selection of the file type to be
displayed, display data files or
event data files

Date and time the data

Date and time the data acquisition started

acquisition ended

The historical trend of the selected data (display data example)

File statusCursor

Number of data in the file

1

Overview of Functions

1-13

1.3 Display Function

Report Data (/M1 option)

Report data residing in the internal memory can be displayed.
The report function is used to write the average, minimum, maximum, and sum at
specified intervals for the specified channels. Reports can be made hourly, daily,
weekly, or monthly. For details related to the report data, see section 1.6. For the
operating procedure, see section 4.5.

The index number of the report data currently displayed

The number of report data sets in the internal memory

Report type

Date and time the report started

Date and time the report was created

Status of data (see section 11.11)

1-14

1.3 Display Function

4 Screen Display

Up to four different display formats can be displayed at once. The following formats can
be displayed:

Trend display, digital display, bar graph display, overview, alarm summary, message

summary, and memory summary.
The data of different groups can be displayed in quadrants that are showing the trend
display, digital display, or bar graph,
The display condition of the 4 screen display can be registered (up to four
configurations). The registered configuration can be recalled to the screen.
The initial setting is as follows:

Display Name Displays Shown

MIX Trend (group 1), digital (group 1), bar graph (group 1), and overview

ALL TREND All trend displays (groups 1 through 4)

ALL DIGITAL All digital displays (groups 1 through 4)

ALL BAR All bar graph displays (groups 1 through 4)

For the operating procedure, see section 4.7.
Example of a “MIX” display

Overview displayDigital display of group 1

1

Overview of Functions

Trend display of group 1Bar graph display of group 1

1-15

1.3 Display Function

Historical Trend

The display data and event data of the measured/computed data stored in the internal
memory or external storage medium are displayed as a historical trend. For details
related to the display data, see “Trend Display” in this section. For details related to the
event data, see section 1.4.
Alarms and scales are not displayed on the historical trend display.

Methods used to display the historical trend

• The following four methods are available in displaying the historical trend of the
display data or event data in the internal memory:

• Display from the alarm summary. For the operating procedure, see section 4.5.

• Display from the message summary. For the operating procedure, see section 4.5.

• Display from the memory summary. For the operating procedure, see section 4.5.

• Recall from the screen menu. For the operating procedure, see section 4.6.

• For methods used to display the historical trend of display data or event data in the
external storage medium, see section 9.3 and 9.4.

Information displayed on the historical trend

The displayed information shown below is common to the historical trend of display data
and event data.

Zoom factor of the time axis

Time axis

Tag/Channel no.

Maximum and minimum

The background color is the opposite
of the trend display (black or white).

value at the display reference position

Maximum and minimum
value over the entire display range

Date and time at the display
reference position

Unit

Screen switch display

Display reference position(the right end of the display
range, the position of the newest data being displayed)

Date and time at the display reference position

1-16