LOVATO ELECTRIC DMK40 Istruzioni per il montaggio

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DMK40 DATA-LOGGER

SOFTWARE MANUAL

INDEX

Introduction ............................................................................................................................................ 2

Minimum resources of the PC........................................................................................................................ 2

Installation ............................................................................................................................................ 2

Activation of the PC - DMK connection ..................................................................................................... 3

Connection diagram (direct) ....................................................................................................................... 3

Basic principles ............................................................................................................................................ 5

Main window ............................................................................................................................................ 5

System configuration...................................................................................................................................... 6

Important note: ......................................................................................................................................... 9

Display menu .......................................................................................................................................... 10

Data collection............................................................................................................................................ 10

Graphs .......................................................................................................................................... 11

Front panel .......................................................................................................................................... 14

Password .......................................................................................................................................... 14

Communication menu................................................................................................................................... 15

Online .......................................................................................................................................................... 15

Offline.......................................................................................................................................................... 15

Modem Call ................................................................................................................................................. 15

Hang up....................................................................................................................................................... 16

Parameters menu .......................................................................................................................................... 17

Basic setup ................................................................................................................................................ 17

Capacitor overload setup.......................................................................................................................... 18

Save-Load-Print.......................................................................................................................................... 18

APPENDIX A – Connection modes .............................................................................................................. 19

Connection via standard modem ......................................................................................................... 19

I154GB06

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Introduction

Using the DMK40 series multimeter data setting and acquisition software, you can:

• Set the measurements to be sampled according to sampling time.

• Display the data unloaded by the DMK40 in MS-Access format.

• Display the measurements in graphic format.

• Convert the MS-Access tables acquired by the DMK40 multimeter in ASCII or MS-Excel text format.

• Plot graphs of the measurements sampled.

• Display a ‘virtual’ representation of the front panel of the multimeter with the possibility of accessing all

the measurements and of activating the buttons.

• Display and modify the set-up parameters of the multimeter with the possibility of saving the settings on

disk, of recalling and printing these.

• Change the language of the program menus and commands selecting either Italian or English.

Minimum resources of the PC

• Windows®95/98/2000 operating system

• Graphic card with a minimum resolution of 800x600; 1024x768 or higher is recommended

• A free standard RS232 serial interface (COM:)

• 64Mb of RAM

• Pentium®class or higher processor

• CD-ROM drive for installation

Installation

For installation, you need a PC with the operating system already installed and running and the program

setup CD. You should also have at least a basic knowledge of the PC and be familiar with Windows®

operating system commands.

The software is delivered on a CD with two different installation procedures. The standard installation

procedure used with the first releases of the Win 95 and 98 operating systems is held in the Setup1

directory. The Setup2 directory contains a new installation procedure for the latest releases of the Win 98

operating system and for Win 2000.

Setup1:

1. Close all applications running

2. Insert the CD in the drive

3. From the Setup1 directory, start the Setup.exe program

4. Press the button with the PC icon to start the installation procedure.

5. A window is displayed asking you to specify the directory in which you want to install the program. To

change directory, enter the new name in the specific box.

6. Follow the instructions provided. If a message is displayed indicating that there are more recent files

present on the PC than those being installed, maintain the files already present (answer YES or ‘keep’ to

the prompt)

Setup2:

1. Close all applications running

2. Insert the CD in the drive

3. From Setup2 directory, start the Dmk.msi program

4. If your PC does not recognize the .msi (microsoft installer) files, start the InstMsiA.exe program and

then go back to point 3.

5. A window is displayed asking you to specify the directory in which you want to install the program. To

change the directory, enter the new name in the specific box.

1. If rebooting of the system is requested following installation, carry out the procedure

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Activation of the PC - DMK connection

To run the program, the PC and the DMK multimeters must be able to exchange data on the serial link. To

activate the connection, carry out the following operations:

1. Make sure that the PC you intend to use has an available and free RS-232 serial interface port. The

serial ports are usually identified with the COM: code and usually range from COM1: to COM4: even

though most of the PCs available on the market have only two serial ports (COM1: and COM2:) which

can be identified by their 9-pin male receptacle connector. To use the program, you must first of all

identify which port of your PC you intend to use; remember that, in some cases, one of the serial ports

may already be occupied by the mouse

2. Configure the software for use of the port selected; you can do this during the initial installation phase or

subsequently using the Configuration-Options-General menu (see the specific paragraph). The default

serial port is COM1: set to 9600 baud, no parity.

3. Set up the RS-485 network, i.e. connect the Rs232/Rs485 converter to the PC and then all the

multimeters to each other and to the converter as indicated in the Connection diagrams paragraph

below. Comply scrupulously with the polarity of the Rs485 cables.

4. We recommend use of a Rs232/Rs485 converter furnished by Lovato. If you intend to use another type

of converter, Lovato will be unable to provide assistance in the case of wiring problems and to assure

correct functioning of the 485 network. In any case, the converter must be insulated and must have an

enable line automatic control circuit.

5. From the keypad of each multimeter, access the parameters of the serial interface (see the Addendum to

the manual furnished with the appliances) and set a different serial address for each DMK starting from

01 onwards. Check that the speed and parity settings all the multimeters match those of the PC.

6. At this point, you can run the program. If the wiring and the settings are correct, the connection with the

DMK 01 will be activated automatically.

Connection diagram (direct)

In the case of problems…

If the connection does not work (when you try to switch to Online, the program issues a beep and switches

automatically to Offline), check the following points carefully:

• The number of the COM: port of the PC used must match that programmed in the Configuration-Options-

General-Serial port settings window.

RS232RS485

SGABTR

RS232

ATR B SG

PX1

RS485

TR BA

DMK40 n°31

DMK40 n°1

Max 1200m

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• If several DMK are connected, they must be programmed with different serial communication addresses

(01, 02, 03 etc.). To set the serial communication address of the DMK, program parameter P.41.

• The communication speeds set on the PC and on the DMK must match. For the PC, the speed is

selected in the Configuration-Options-General-Serial port settings window while, for the DMK, it is

selected with parameter P.42 (see Addendum).

• The connection polarity of the DMKs and of the converter to the RS-485 bus must be correct (all the A

terminals on one conductor and all the B terminals on the other).

• The maximum distance between the two most distant devices on the RS-485 bus must not exceed

1000m.

• All the converters must be correctly powered and configured (see the instructions sheets attached to the

appliances). In particular, the PC side converter must be programmed in automatic switching mode

(data).

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Basic principles

To function correctly, the data logging system must be set correctly and this setting must be transferred to

the multimeter (on the RS232 link) or to the network of multimeters connected in the RS485 network. The

data saved in the flash memory of each multimeter can be recalled and saved in an MS-Access format

project file and converted into other formats (ASCII or Excel).

The graphs of each individual measurement can be displayed and printed.

Main window

The main window of the program contains all the menus and the toolbars for access to the various functions.

As they may modify the configuration of the software, some of these functions are protected by a password

and are therefore disabled when the program is started. The main window is illustrated in the figure below

showing the most frequently used controls.

Fig 1.1 – Main window

Window type

menu for data

settings and

display

Toolbar for fast

access to settings

and displays

Selection of the

multimeter in

RS485 network

Start and stop of the

acquisition system of

the multimeter

selected

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System configuration

To configure a data logging system, a project must be opened or a new project must be created.

To do this, open the ‘File” window and select New or Open. Create or open the file required. The file opened

is in Ms-Access format and contains all the information regarding the data logging system.

To access configuration, enter the password which, after installation of the program is, by default, LOVATO.

Click on the password menu, enter Lovato and then confirm with OK.

System configuration is a very important phase as regards definition of software functioning. In particular, if

several multimeters are connected, attention must be paid to programming the parameters of each DMK

connected to the network.

Before explaining the various functions of the program, the configuration window is illustrated below listing

the function of all the settings. A more detailed explanation of the purpose of each setting will be provided in

the following chapters.

Fig. 2.1 - Configuration-Options-General

Selection of the

language of the

program. Settings of the

serial port of the

Correct multimeter date

and time based on

daylight saving or

standard time settino.

Fix the multimeter

connection to be

modem.

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Fig. 2.2 - Configuration-Options-Multimeters

Note 1: For example if threshold 1 is greater than threshold 2, the datalogger begins recording when threshold 1 is exceeded. When the value of the selected

measure is less than threshold 2, the datalogger is stopped. The two thresholds can be inverted. In that case, the datalogger will trigger when the value of

the selected measure is less than threshold 1 but when it increases to greater than threshold 2, the datalogger will stop.

If the selected measure indicates all three phases, it is sufficient the measure value of one of the three phases is greater than threshold 1 to trigger the

datalogger. The same procedure is done to stop the datalogger.

dds a new DMK

in the

configuration of

the network

Removes a DMK

from the

configuration of

the network

Selects the

previous/next

DMK

Description of the

DMK. This

identifies the

multimeter and

will be displayed

in the selection

boxes, in the

alarms, in the data

collection etc.

Total number of

DMKs configured

DMK currently

selected

Enables/disables

serial

communication with

the DMK selected

Stop data-logger

when memory full.

Measure associated

to threshold.

Note 1

ddress multimete

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Fig. 2.3 - Configuration-Options-Data collection

Interval of time between

saving of one record and

the next

Setup Real time

clock of DMK

Selects the

multimeter from

which to sample

Selects the data

item to be

sampled

Eliminates the

item selected

from the list.

Note:

if a field is

eliminated from

the strucutre of

the Data

collection

database, the

currently saved

record is lost

Transmits the settings

made.

Note: on transmitting the

settings, all the data

saved in the DMK40 will

be lost

Receives the settings saved in

the DMK40.

View the DMK real

time clock.

Time used by the

memory to be filled

according to the set

measures and the

sampling time.

If this checkbox is selected, the energy samples will be

carried out in synchronization with the real-time clock of the

PC.

For instance, if the sampling time is 1 hour, the sampling will

be done at 0:00, 1:00, 2:00 etc.

If this checkbox is not enabled, the sampling could be done at

0:33, 1:33, 2:33 etc.

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Figure 2.4 - Configuration-Options-Modem Index

If the software is configured for connecting via modem, it is possible to store a list of the various installations,

that is a list of places where a DMK network with modem is installed. For each installation, the user can

define a code, a name and the corresponding phone number of the modem on the field. This way, when

wanting to connect with a particular installation, it will be possible to dial it directly from this list. For each

installation it is possible to define if one or more units are installed and associate an initial page to be loaded

once connection has been established.

Important note:

Normally the user connects its DMK network to the PC without modem. This allows to configure each

multimeter, defining the name, the full-scale value for all the measurements etc (this are the configurations

that are entered in the Configuration-Options-Multimeters window, see figure 2.2).

When using modem connection, all this setting can be used only if the remote connection is done always to

the same DMK network, that is, if there is only one record in the Modem index because the user dials always

the same number. In this case, the couple of modems are used to reach a longer distance, but the

communication is the same as for direct connection.

The concept changes if there are more than one DMK networks in the field. In this case, each network may

be different from the other, having different number of DMKs, working with different voltage etc.

The user can select one installation, connect to it and see the DMK status, then disconnect and dial another

phone number to connect to another DMK network.

To enter a new

record, first click

on New, fill the

fields and then

click on Add.

To eliminate a

record, first

select it in the

table, then click

Remove button.

Installation

code. They must

all be different.

Description of

installation Phone number

of modem to be

called

Number of DMK

units connected

to the modem.

To modify an

existing record,

first select it

from the table,

then do your

modification in

the field above,

finally click on

Update.

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Display menu

Data collection

The variables defined in the Data collection configuration page (Fig. 2.3) are unloaded from the multimeter

by pressing the ‘Start Rx data’ key. The same data are saved in an Ms-Access format database.

The data collected can be displayed in table form with the Display-Data collection menu or clicking on the

matching icon on the toolbar.

Fig. 3.1 – Display-Data collection

Sampling date

and time

Number of

records selected

Values of the

variables sampled

Display period

selected. Extracts the

values within a

specific interval of

time from the

database.

Opens the window for

specification of the interval of

time to be selected

Displays all

the record of

the database

Permits export of

the data selected

in ASCII or Excel

text files

Deletes the

data selected

from the

database

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