LOVATO ELECTRIC DMK40 Mounting instructions

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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
04

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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
PC
ATR B SG
PX1
RS485
TR BA
DMK40 n°31
SG
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
PC
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.
A
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
Note 1
A
ddress multimete
r

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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