digital multimeters dmk series remote control software manual
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25. ACTIVE ENE
26. electric MSGB104 0500 doc 15 12 2004
27. electric MSGB104 0500 doc 15 12 2004 P 9 40 Figure
28. electric MSGB104 0500 doc 15 12 2004 P 25 40 Select the button wi
29. e _ DME 07 7 L1 PHASE VOLTAGE E
30. n OyT 1 TRIPPED gi OUT TRIPPED
31. electric MSGB104 0500 doc 15 12 2004 P 11 40 Figure 2 6 Configuration Options Modem Index If the software is configured for connecting via modem it i
32. 0 e e e 0
33. Figure 10 5 Indicator Options for label indicator ZI Indicator L1 PHASE VOLTAGE electric MSGB104 0500 doc 15 12 2004 P 28 40 Gauge1 indicator
34. Figure 10 6 Indicator Options for Gauge indicator Zi Indicator
35. electric MSGB104 0500 doc 15 12 2004 P 8 40 Figure 2 3 Configuration Options Data log
36. DME 0 Li CURRENT
37. 240 210
38. non cost L1 DPF Figure 10 7 Indicator Options for Gauge2 indicator Zi Indicator electric MSGB104 0500 doc 15 12 2004 P 30 40 Seven segment indicator
39. Rectangle Object Allows to place a filled rectangle on the page background Modifying its dimensions it is possible to draw orthogonal lines Image object Inserts a box displaying a graphic file in BMP JPG or GIF format Figure 11 2 Object Image Properties F Object
40. DMK 01 11 PHASE VOLTAGE Y F 240 7 l 210 o n __Add Remove Modify DME 01 17 PHASE VOLTAGE
41. Step 2 At this point the user may want to add to its page one needle indicator that will show the equivalent phase voltage Select Indicator Add menu or right click on an empty point in the page and select Add indicator from the pop up menu The following window will be shown Figure 10 2 Indicator Add Indicator type Zi Indicator
42. IMP ACTIVE ENERGY electric MSGB104 0500 doc 15 12 2004 P 33 40 Objects types On a page it is possible to add other objects some of them fixed such as fixed texts lines pictures etc and others with an active function for instance command buttons Inserting and editing of these objects is done in the same way as for the indicators Using Object Add it is possible to open the window that allows to select the object type and to specify its options Figure 11 1 Object Add F Object Ja The available objects type are e Fixed text Fixed string with customizable colors and dimensions e Rectangle line Painted rectangle Modifying its dimensions is possible to draw lines e Pi
43. electric MSGB104 0500 doc 15 12 2004 P 10 40 Figure 2 5 Configuration Options Energies
44. electric MSGB104 0500 doc 15 12 2004 P 7 40 Figure 2 2 Configuration Options Multimeters
45. low_ele pg x as
46. 3D panel object Similar to the text object but placed over a 3D effect panel electric MSGB104 0500 doc 15 12 2004 P 35 40 Command button object The command button is an active object Clicking it with the mouse can execute a series of commands selectable by the user In the Property window besides the common settings such as position dimensions text etc the user must define also the Action for the command button and an optional Operand for that action The possible Actions are the following e COMMAND Sends a command to the multimeter In this case the operand defines the type of command to send The possible commands are Reset energy meter Reset HIGH function values Reset LOW function values Reset MAX function values Reset digital output 1 Reset digital output 2 Reset multimeter e END Quit the remote control software e NEWPAGE Loads a new page In this case the operand must be selected among one of the existing pages e NEWNODE Selects a new multimeter In this case the operand must be selected among one of the configured multimeters e PANEL Shows the front panel of the multimeter specified in the operand Text that appears on Figure 11 3 Object Command button the button Box to select the Action for the button RESET HIG
47. PC I 1 LJ l lax 1200m 2 7 2 EN ES teo da dp A e sk x ry 2 a pa ATARESTISI i 4 SA Y S O O O O OOO TRA BSG TRA BSG TRA BSG RS485 RS485 Interface converter RS232 489 DMK nm 31 DMK n 1 PX1 Troubleshooting If the connection does not work trying to enter Online mode the program emits some beeps and automatically proceeds in Offline mode carefully check the following points 1 2 3 er The PC COM port used for the connection must match the one selected in Configuration Options General Serial port settings menu That port must NOT be configured as a serial mouse port on the PC The communication rate set on the PC and all DMKs must be the same e g 9600 bps for both If there are more than one DMK connected then each must have a serial address different than all the others e g 01 02 03 etc To set the serial address program the relative parameter P 41 The converter connection polarity to the RS 485 bus must be correct all A terminals marked on the leads plugged on to one bus connector and the B terminals with the other The maximum distance between the two most distant units on the RS 485 bus must not exceed 1000 m The two most distant units must be connected to the terminal resistor TR The interface converter on the PC side must be switched on and correctly configured see the relative technical sheet attached to the dev
48. Closes setup window Drop down box with the possible options Resets the values to the factory default Receives values from the DMK memory and displays them in the window Transmits the displayed value into the DMK memory Enabled only with password electric MSGB104 0500 doc 15 12 2004 P 21 40 Advanced setup Figure 9 2 Parameters Advanced setup Box for values with a very high range Double click to set value Select k for value x 1000 M for value x 1000000 Same method of DMK display Setup table rk DM Scroll bar to access following parameters Capacitor overload setup Figure 9 3 Parameters Capacitor overload setup Setup table Inanamit Derek electric MSGB104 0500 doc 15 12 2004 P 22 40 Serial interface setup Figure 9 4 Parameters Serial interface setup Setup table DHK 01 si MU dl dl so for vu Iranem It is not possible to modify serial interface settings THROUGH the serial interface itself Save Load Print Parameters values of all four me
49. In this way it is possible to have immediately a global idea of the trend of the most important measures or to compare on the same graph two measures taken from two different part of the plant To open the graph window click on View Graph menu or use the correspondent icon on the toolbar The operation criteria of this graph is very similar to on oscilloscope The X axis horizontal represents the time The horizontal scale is common to all shown traces and is indicated with sample date time labels It is possible to plot up to 8 traces simultaneously selecting them among the measures defined in Data log Energy meter log The selection is done by the eight drop down boxes one for each trace color For each measure it is possible to modify the vertical scale using the and pushbuttons The value of one measure in a certain moment can be calculated looking at the vertical scale division value one square If for instance the vertical scale is 50V division and the plot is about at 8 division then the absolute value of the measure is about 400V When looking at a graph of this type it is more important to look at the trend of the measure rather than its absolute value The graph is 240 divisions wide per 10 division in height When opened the window is set to show data of the current date that is from 00 00 00 of current day up to 00 00 00 of the next day tomorrow Using the Select period pushbutton it is possible to select a different
50. 1024x768 or more recommended One free serial interface port COM 64Mb of RAM Pentium like processor or faster CD ROM drive for installation Installation To proceed with the installation it is necessary that the PC is already working with the operative system and to have the CD ROM for the software setup It is also recommended that the user has at least a minimum experience with PCs and Windows environment To install the software PRIN O 6 Close all active applications Insert the CD in the drive and wait for its recognition Launch Setup exe A dialog box will appear asking for the directory where to install the program State the new name if any in the space Follow the step by step instructions If at the end of setup process the installation program asks to reboot the Pc execute this procedure electric MSGB104 0500 doc 15 12 2004 P 2 40 Activation of the PC DMK connection To operate the remote control program it is essential the PC and DMK can communicate by serial interface To activate the serial link without using a modem follow these steps 1 The first step is to make sure the PC has one free RS 232 serial communications interface port Serial ports are normally indicated by the COM reference They are usually numbered COM1 to COM4 although the majority of the brands on the market have only two available ports COM1 and COM2 identifiable by the 9 pin D type male connector Secondly i
51. electric MSGB104 0500 doc 15 12 2004 P 4 40 Basic principles The working criteria of the program is to cyclically read the measures taken by connected DMKs and to display them in the form of indicators on the PC monitor Information are grouped in pages that can be selected by the user during connection When the software is installed some already made pages are supplied The user if needed will be able to create new customized pages and or to modify the existing ones Pages can be of two types e Pages that groups data coming from different DMKs for instance to show simultaneously voltage current power etc read from different points of a plant each controlled by one DMK In this case each indicator displays readings coming from one particular multimeter e Pages with indicators not assigned to one particular multimeter where the user selects from which multimeter he wants to read data to be shown In this case it is possible to concentrate many measures all coming from the same DMK the one selected in that moment With a simple click the user can move its attention to another multimeter and all indicators will be updated with data coming from the newly selected DMK Most common pages are of the second type When the software is displaying one of these pages one drop down list will be shown allowing the user to select the DMK from which read measurements In this case other functions will also be enabled addressed to the selected
52. Operation similar to the label indicator with 7 segment Led display visualization L2 L3 VOLTAGE Figure 10 8 Indicator Options for Seven segment indicator Zi Indicator L2 L3 VOLTAGE electric MSGB104 0500 doc 15 12 2004 P 31 40 Bar graph indicator The full scale corresponds to the maximum value defined in Configuration multimeters see figure 2 2 The 100 corresponds to the nominal value defined in Configuration multimeters see figure 2 2 Numeric value a w bp TI Figure 10 9 Indicator Options for Bar graphs indicators 3 Indicator EGY ACTIVE POWER electric MSGB104 0500 doc 15 12 2004 P 32 40 Energy meter indicator OIL AGERE ENERGY Kis A
53. able to converse with the modem Check that the internal software revision of the multimeter is higher or equal to 8 0 The software revision is shown on the displays at power on From the front panel of each DMK enter the serial communication setup menu see the DMK Addendum Manual Check the serial address parameter P 41 If several DMKs are connected to a RS 485 bus set each of them with a progressive serial address starting from 001 On each unit select the Modbus ASCII protocol parameter P 44 set to ASC If you want the DMK to answer when modem rings modem without auto answer then set parameter P 45 to 001 only for the DMK with serial address 01 Otherwise if you want the modem to answer automatically itself then enable the modem auto answer setting its parameter SO to 001 with command ATSO 1 amp WO and leave the first DMK with P45 to 000 System connection Connect the DMK side modem to the RS232 RS485 interface converter using 51C9 cable Connect the RS232 RS485 interface converter to the DMK network using a shielded twisted pair cable see wiring diagram in the following page Connect the second modem to the PC with the standard cable provided with the modem The PC side modem does not require any particular programming it must be left at factory defaults Connect both modems to the respective telephone lines For the first tests you are advised to use two internal lines in the same office to keep the call under
54. control electric MSGB104 0500 doc 15 12 2004 P 38 40 A Configuration of the DMK exe program Start the DMK exe program from the PC with the modem already connected and powered Choose the Configuration Options menu Set the Connection via modem box from the General table If the Modem Index table is empty enter a record with the name of the installation and the phone number corresponding with the telephone line of the modem connected to the DMK Click on OK to close and save the Options window Online Connection Choose Call with modem from the Communication menu From the pull down box choose the name of the installation to be called The corresponding telephone number previously loaded in the Modem index will be shown in the box below Click on Dial At this point the modem at the PC end calls the DMK modem After a few rings the DMK modem and the program switch automatically to the online mode To end the connection choose Modem Hang up from the Communication menu In the event of problems If during the attempted call the modem connected to the DMK does not ring this means that the call fails to reach its destination In this case carry out the following checks Try dialing the telephone number of the line to which the DMK is connected using a normal telephone The modem called should give off sounds that ought to be heard in the handset If this does not happen there are problems on the telephon
55. harmonic from the 2 to the 22 plus two bars that represents the THD Total Harmonic Distortion and RHD Residual Harmonic Distortion The vertical axis represents the intensity of each harmonic expressed as a percentage of the fundamental harmonic By means of a drop down box it is possible to select between Voltage and current harmonic analysis The single phases L1 L2 and L3 are displayed in three different bar colors Data shown is referred to the currently selected multimeter see drop down box in figure 1 1 If the software is showing a page with data coming from different multimeters then it will not be possible to show the harmonic analysis window Note On DMK multimeters the FFT calculation can be disabled in order to have a better acquisition speed In this case the graph will not show any data Figure 6 1 View Harmonics Multimeter from Harmonics data in which data are graphic format taken THD RHO a ee ee ee ee THD AHD LI MA 79 424 ale ade 20 OTP GA 14 Tle 1088 0a I da Ta Ta TA J67 1204 L2 A A A A A A 22 A 108 AA Ta TA TA 16 120 La Tides fie 422 3 ade 20 18 be We a Wa 0 We 94 SAN a fe TA 4 be be gE 128 Voltage 150 E DO E Print this window Harmonics data in numeric format Selection of vertical full scale Drop down box to select Voltage or Current L1 L2 L3 color legend electric M
56. multimeter as for instance the access to setup parameters harmonic contents graph virtual front panel and so on Example of a page with data coming from different DMK Cosirolio remato DHE PAGINA INIZIALE Maia Pied Configurazione Comunicazione Pos IP pon a i fe tn tisi AI Example of a page filled with data coming from the same DMK DME Remote contiol DHE MAIN PAGE MHE View Eiin _ EIA ELE A E Lovato DMK main page _tlectria ARR electric MSGB104 0500 doc 15 12 2004 P 5 40 Main window The main window contains all menus and toolbars that allow the user to access to various functions of the software Some of these functions that can modify the software and or DMK configuration are protected by a password and are disabled when the program is started In the following figure is displayed the main page aspect with highlights on the most commonly used controls Fig 1 1 Main window 7 segment display Drop down box for Drop down box for Gauge indicator indicator page selection multimeter Type 1 selection nfiguration Communication Parameters DA E B ga c ts 5 os RRR h amp z ze y A gm A Y Aa U o f 200 f 2 f 200 200 i A f 4 US 2 Ff y y 2O j j RESET HIGH VALUES RESE LOW VALUES J R FACTOR P R FS R P SSS F 1 7sSEC ONLINE NO ALARMS Command Bar graph Page refresh Communication DMK alarm status Gauge indicator buttons indica
57. period and also to change the horizontal scale resolution If in the database there is no data for a certain period of time for instance because the software has been inactive one straight line is drawn using a dark colour connecting the two edges of the hole Via Dark colour no Bright color Dotted trace data available sampled data Energy meter log il la i i 15 07 2002 1507 2002 15 07 2002 15 07 2002 1540742002 03 00 00 10 00 00 41 00 00 12 00 00 13 00 00 HEEE From To 15 07 2002 00 00 00 16 07 2002 00 00 00 Select period un VERTICAL Div NEP 125 DR TYERTICAL DIN DMK 01 L1 PHASE vo ase e 50 El __ l e NI is 4 Select the measure associated to the red trace Selects Start end date and time Changes horizontal scale Prints this window Red trace vertical scale Increase decrease vertical scale Scrolls graph horizontally 50V division Lovato electric MSGB104 0500 doc 15 12 2004 P 16 40 Harmonics DMK32 62 40 multimeters have the possibility to measure the harmonic content of the voltage and current waveforms for each phase by means of an FFT algorithm Fast Fourier Transform Using View Harmonics menu it is possible to display harmonic data on a bar graph where on the horizontal axis are represented the order of the
58. picture shows an example of start page automatically generated for a four DMK network Controllo remoto DMK PAGINA INIZIALE Visualizza Password Configurazione Comunicazione Parametri Bl gt uw a A Ei te a to t5 AI 0 38s ONLINE 1 OFFLINE 3 At this point he user can add for instance a picture with a scheme of its plant and then place the panels in the correct positions When the software is installed for the first time it is supplied a START page with only one DMK This page can be overwritten by the one customized by the user that will be automatically loaded every time the software is started electric MSGB104 0500 doc 15 12 2004 P 37 40 APPENDIX A Connection modes Connection via standard modem To make a remote connection via a switched telephone line the use of a pair of modems is necessary Lovato guarantees correct operation of the connection using modems of the following type 3 Com U S Robotics 56K model 5630 Though correct operation is possible also with modems of other types in this manual all the configuration commands variables depending on the manufacturer and the connection diagrams will refer to the above mentioned modem model Though very simple in conception connection via modem requires that the installer have a minimum of experience concerning the problems connected with serial communication modem programming types of telephone lines etc In an attempt to simpli
59. 1166 GB 0305 Lovato electric LOVATO ELECTRIC S P A 24020 GORLE BERGAMO ITALIA DIGITAL MULTIMETERS DMK SERIES TEL 035 4282111 TELEFAX Nazionale 035 4282200 TELEFAX International 39 035 4282400 Web www LovetoEleetrc com REMOTE CONTROL SOFTWARE MANUAL E mail info LovatoElectric com SUMMARY INTOGUCiio iui 2 Minimum PC hardware requirements pp 2 Installation 2 Activation of the PC DMK connection iii 3 Wiring diagram direct connection lia 3 CONNECHON via OSI 4 Connection via Ethernet to serial gateways iii 4 Basic PrINCIDIES laicale ail 5 Malh WINA OW allea 6 Sysiem GGniiguration till cdi did 7 VIEW Mela 13 Datalogic tal 13 Energy Meters gg 14 ADS 15 16 Formosa 17 Front panel ca id cd iia od tee 18 FS SW ONG A ae ae a Na er alal 19 Communication Meli li i 20 Oliena ni 20 0 RR RE TE MT 20 Mode Salar AAA 20 A eee E ua nni 20 Parameters a Y PA No oT ee Se Oe oe ee nee ee eS ee ea eee nee 21 BaSe SOUP tere testa eater tated A tote k ashe 21 A A 22 Capacitor overload Sel rtl to Ona 22 SerialMMEM aCe SetiD wie O aaa iena ches USOS 23 SAV SO Pai AA AAA A 23 Page edili i 24 INAICALOr PES iii iaa 28 OD 51014874 0 1 OO COPPER Re a e a a 34 Start page generation 4 37 APPENDIX A Connection modes ias 38 Connection via Standard MN ee ALLE LL 38 electric MSGB104 0500 doc 15 12 2004 P 1 40 Introduction The remote con
60. 2 4 Configuration Options Alarms
61. 5 12 2004 P 20 40 Parameters menu The multimeters setup settings can be viewed and modified using the Parameters menu This way of accessing to the DMK setting is far more immediate and easy than using the direct access from the DMK front keyboard because on the PC window displays The parameter code Parameter description Set value Bar graph or drop down box with possible options Parameters are grouped into four menus that follow the structure described on the DMK manual and addendum The available menus are Base setup basic settings like CT ratio VT ratio etc Advanced setup settings of the digital outputs Capacitor overload setup settings for the capacitor protection function Serial communication setup parameters regarding serial interface Some multimeter models do not support one or more of this menus In this case the correspondent button on the toolbar and drop down menu will not be enabled Base setup Figure 9 1 Parameters Base setup Bar graph Drag with the mouse pointer to change value of parameter Numerical value of the parameter Highlighted in yellow if different from the factory setup Double clicking on this box will open a window for setting the parameter with the numeric keyboard Parameter code Description A I at Three phaze
62. 5 22 276 00 E di Di ES El a _ La a IT Start end date and time for Opens the window for Displays all Allows to export Delete extracting records from the defining start and end date records of the data in ASCII text selected database database format or MS records from Excel format the database electric MSGB104 0500 doc 15 12 2004 P 13 40 Energy meters log The energy meters defined in the Energy meters log configuration Figure 2 5 are sampled cyclically by the software independently from which page is shown with an acquisition rate defined by the user with the Sampling period setting If the Synchronize with PC clock checkbox is enabled the samples are done at real time regular intervals Example Sampling period 5 min Synchronized Samples at 0 00 0 05 0 10 0 15 8 00 8 05 8 10 Sampling period 30 min Synchronized Samples at 0 00 0 30 1 00 1 30 8 00 8 30 9 00 If the Synchronize with PC clock checkbox is NOT enabled then the distance between one sample and the following can be set freely and the reference time for sampling is the time the software is started Example Sampling period 5 min NOT Synchronized Samples at 0 03 0 08 0 13 0 18 Sampling period 30 min NOT Synchronized Samples at 0 17 0 47 1 17 1 47 For each energy meter that will be saved in the database an additional column will be ad
63. H VALUES COMMAND Operand connected to the Action RESET HIGH VALUES y Defines if the button is always enabled or only after entering the password electric MSGB104 0500 doc 15 12 2004 P 36 40 Start page generation When the software is started it loads a page with the following criteria e lf there is only one DMK in the configuration the page named MAIN is loaded e lf there are more than one multimeter then the program loads the page named START These page names are valid when the software is configured in English The user if he wants can customize these pages with the page editor but it is necessary that the files MAIN PGD and START PGD are not deleted There is the possibility to automatically generate the START page displaying one panel foe each DMK This operation can be carried out after having finished the configuration phase opening the page editor and selecting Page Generate start page In this way the software automatically generates the page file START PGD inserting for each DMK in the network a panel with e Four label indicators that show e Equivalent phase to phase voltage e Equivalent current e Equivalent active power e Active energy meter e One command button that allows to open the MAIN page selecting the desired DMK After having generate the page the user has the possibility to customize it using the common commands of the editor The following
64. P 29 40 Gauge2 indicator a br
65. RGY IMPORT ACTIVE ENERGY IMPORT
66. SGB104 0500 doc 15 12 2004 P 17 40 Front panel With the remote control software it is possible to display on the PC monitor a virtual front panel of the DMK The window can be opened with View Front panel menu It will show the panel of the currently selected multimeter with real time visualization of displays and leds status Clicking with the mouse on the pushbuttons the user will have the same effect as clicking the real DMK buttons selecting measurements and functions It will not be possible to access the functions like entering setup meters reset etc that require the simultaneous pression of more than one button or the continuous pression of the same button for a certain period of time There are several types of front panels that represents multimeters of various DMK series The front panel window shows the front panel that corresponds to the currently selected multimeter For this reason it will not be possible to view the front panel window when the software is showing a page with measures coming from different multimeters Note The quality of the graphic representation of the front panel may vary according to some PC settings such as screen resolution Font size etc Description of the currently J selected multimeter Figure 7 1 View Front panel n Clicking on the EH DMK30 DMK 01 buttons you Real time have the
67. a standard serial port the only difference is that it is physically placed on the gateway that is it can be placed far away from the PC This allows to use an existing LAN to cover the major part of the distance between the PC and the place where the DMK are installed In this case the use of the Ethernet converter is transparent that is both the configuration of the PC and the wiring of the DMK interface to the serial port are to be done as usual see the previous chapter Activation of PC DMK connection The only difference is that the PC serial port has to be substituted by the gateway converter serial port This operation mode allows to use only one gateway 2 The second possible connection mode works with a direct communication between PC and gateways without the need for a virtual COM driver allowing to use several Ethernet to serial devices at the same time This provides more flexibility in placing the converters in different points of the network and reaching DMKs that are far one from the other In this case for every multimeter the user must specify the IP address and IP port of the Ethernet converter where the DMK is connected see Configure Options window in the following pages It is also possible to connect several DMKs to the same port of the converter The market offers many different brands and models of Ethernet serial converters and their characteristics and product codes are continuously evolving For this reason this manual do
68. ble the user to use the same page with all of the multimeters one at a time After having specified position and dimensions of the new indicator leave the Multimeter selection box to Default multimeter and then select from the possible measures the one that we want for ourexample that is Equivalent phase voltage electric MSGB104 0500 doc 15 12 2004 P 26 40 At this point we can move to the Options page of the Indicator window and fill in some options for the Gauge 1 indicator type This Options are different from one indicator to the other In our case for example we can disable the Use default description checkbox and specify a custom description to be placed on our indicator Figure 10 4 Indicator Options for Gauge1 type indicator Select if display on the indicator the default Custom measure description text description or a custom description Custom full scale value Select if the full scale of the indicator will be the one specified in the multimeter configuration see figure 2 2 ora custom full scale Clicking on OK the options are applied and the window is closed Following the same procedure it is possible to add other indicators to our page To modify the properties of an already placed indicator select it clicking with the mouse the indicator is highlighted with a frame and then use ndicator Modify menu or right click and select Modify from the pop
69. cture Box showing a graphic file e 3D panel Fixed string on a 3D panel e Command button Button that can carry out particular functions Just like the indicators objects have different properties depending on the object type In the following pages we will explain the function of this properties electric MSGB104 0500 doc 15 12 2004 P 34 40 Text Object Inserts a fixed string on the page background Figure 11 2 Object Text Properties F Object
70. ded holding the differences delta between the energy meter count from one sample and the previous This calculated value shows the amount of energy that has been consumed generated in that interval of time and will be available to be plotted on the Graph window To limit the hard disk space occupation it is possible to eliminate automatically from the database the samples older than a defined number of days For example Setting Maintain samples of the last days to 30 only records of the last month will be kept in the database Figure 3 2 View Energy meter log Active energy meter count Number of selected records Sample date and time Difference between sampled count and previous EIA 10 40 00 15 07 2002 10 45 00 1 SIENA 10 50 00 10 55 00 34602 5 From fi 5 07 2002 foo 00 00 DIE 7 07 2002 JO 00 00 Select period A View all Export Delete Delete selected records from the database Allows to export data in ASCII text format or MS Excel format Displays all records of the database Opens the window for defining start and end date Start end date and time for extracting records from the database electric MSGB104 0500 doc 15 12 2004 P 14 40 Alarms As described in the prev
71. e line or on the switchboard Check that PC modem is powered and connected with the cable to the correct serial port the one set in Communication Serial port If the modem called rings repeatedly but the connection fails to be established Check the DMK programming in particular about auto answer see previous point 2 Check modem programming in particular about auto answer see previous point 2 Check the integrity and the polarity of DMK Converter RS 485 twisted pair cable Check the integrity of modem converter cable 51C9 Check if when the phone rings the yellow LED on the interface converter blinks briefly This means that the modem is sending the RING message to the converter and this is sending the message to the DMkKs electric MSGB104 0500 doc 15 12 2004 P 39 40 PENTIUM is a registered trademark of Intel Corporation WINDOWS is a registered trademark of Microsoft Corporation electric MSGB104 0500 doc 15 12 2004 P 40 40
72. es not indicate a specific model even if the major part of these devices is compatible with our application To have help in selecting the right model ask the producer of the gateway for technical support To set up the system and correctly configure the gateways refer to their user manual and eventually ask for the help of an expert of LAN networks IT system administrator As a general indication respect the following points e The serial gateways have to be configured to work directly in TCP IP not through a virtual COM driver e The IP addresses used for the converters must be free that is they have not to be in conflict with other devices operating on the LAN If necessary ask for the IT system administrator help e The serial port settings of the converters baudrate parity data bits etc must match what is set into the DMKs e All multimeters must have a different serial address Concerning the physical connection between multimeter and converter e If the Ethernet to serial converter has a RS 232 interface port then use the same wiring diagrams suggested for the COM port of the PC When using DMK32 62 22 52 it will be necessary to have also a RS 232 RS 485 converter while for DMK40 it will be possible to connect directly in RS 232 e If otherwise the Ethernet gateway is equipped with an RS 485 interface compatible with the multimeters interface then it will be possible to have direct wiring between DMK and gateway
73. ftware we will examine the configuration window looking at the meaning of all settings Figure 2 1 Configuration Options General Configuration
74. fy the configuration procedure as far as possible we have subdivided the operations to be carried out in the following steps 1 Modem configuration at the DMK end From the DMK end the modem must be configured before it can be used Configuration serves to implement the following functions Disable the echo Set a communication speed fixed at 9600 baud this must be the default speed for DMK also Permanently store the two previous settings as default at switch on To make these configurations the modem to be connected to the RS232 RS485 converter will have to be momentarily connected to the PC with its standard cable Then start the PM EXE program supplied together with this software and press the Program modem button Wait for the confirmation message and then disconnect the modem from the PC and connect it to the DMK The PM EXE program transmits the following configuration string to the modem AT E0 amp N6 amp U6 amp W0 lt CR gt commands valid for modem model 5630 If the user is familiar with terminal emulation programs such as Windows Hyperterminal this programming can be done manually without the aid of the PM EXE program In this case it will be necessary to set the serial interface at 9600 Baud 8 bit No parity 1 stop bit and type in the above string from the keyboard On pressing return the modem will answer with OK confirming that programming has taken place DMK configuration Also the DMK needs a configuration to be
75. ice In particular it must be set for automatic enable line switching Data mode electric MSGB104 0500 doc 15 12 2004 P 3 40 Connection via modem When the PC and the DMKs are located at a considerable distance from one another it is possible to establish remote control through a pair of modems In this case the PC must be connected to the modem through the standard cable supplied with the modem On the other end the RS 232 RS 485 converter must be connected to the modem through the 51C9 cable supplied by Lovato The connection between the RS 232 RS 485 converter and the DMK must be done in the same way used with direct connection see the wiring diagram in the previous page This type of connection may entail some difficulty for users who are not familiar with the use and programming of modems as certain programming is necessary depending on the type of modem used the type of telephone line etc For further information about the wiring and the programming of modems see Appendix A Connection via Ethernet to serial gateways It is possible to configure the software to establish the PC DMK connection through Ethernet to serial gateways This devices are able to use the Ethernet LAN network to realize a link between serial devices and can be used in two different ways 1 Using a dedicated driver in the PC one virtual COM port is created This COM port s visible by any application running on the PC It works logically exactly as
76. 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 In such situation functions like the Data log Energy meters log and thus Graph and Alarms cannot be used correctly since data coming from different DMKs may be stored in the same database For the above reasons the software will work in two different ways e f the connection is direct without modem or via modem but with only one installation only one phone number to dial then the software will operate normally e If the connection is done via modem to different places several DMK networks each with a different phone number then the Data log Energy meters log Graph and Alarms function will not operate The full scale value for the indicators will be calculated auto
77. ious Alarm configuration page Figure 2 4 the user has the possibility to apply thresholds minimum maximum or both to the measures sampled with the data log In the case in which one or more of the values is out of bounds the alarm condition is always saved in the alarm database with date and time When the alarm conditions ends another record will be saved allowing to define the duration of the abnormal situation In the Multimeter configuration window Figure 2 3 it is possible to specify if the DMK digital outputs tip has to be saved as an alarm record into the alarms database In this case it is possible to freely define the text that will be stored each time the output will be activated In the same database are stored also some Events that is something that happened that can help to better understand the alarms sequence One example of Event can be the activation of the remote control that is the instant in which the software has been started and thus the measures sampling has been initiated It is obvious that if the software or the Pc have been left inactive then some alarm situation may not be found in the alarm recording The same can happen if one multimeter has been left switched off for a certain period of time Events are stored in time sequence with alarms but with the database window the user will be able to select the information with the following criteria e Period in which alarms and events have happened date time of star
78. llustrated has been opened from the pull down box choose the name of the installation with which you want to be connected The names entered in the Modem index during configuration will be displayed Once the choice has been made the corresponding phone number appears in the box below Click the Dial button to start the connection procedure At this point the program will instruct the modem to make the call While waiting the sliding blue bar of the maximum time allowed for making the connection will be seen 1 minute The modem called will take the line and exchange the usual handshaking messages with the answering modem At the end of this procedure if everything has been carried out correctly the PC status bar will show a message informing the user that connection has taken place and the program will switch automatically to the Online mode If any errors occur carefully check the connections and if necessary follow the Troubleshooting guide given in appendix A of this manual Normally connection is not critical since very common and absolutely standard procedures are used With the Break button it is possible to block the calling procedure while Hang up ends a communication already in progress Hang up This command interrupts a modem connection closing the telephone line It is the equivalent of hanging up the handset in an ordinary phone call It is carried out automatically every time you exit the program electric MSGB104 0500 doc 1
79. matically using the DMK settings as a reference and the name of each DMK will be assigned as default When the user clicks the New button to add the second installation phone number a message box will be displayed informing that the operation of the software is going to change electric MSGB104 0500 doc 15 12 2004 P 12 40 View menu Data log Variables defined in the Data log configuration Figure 2 3 are sampled cyclically by the software independently from which page is shown with an acquisition rate defined by the user with the Sampling period setting After each sample data are compared with alarm thresholds defined by the user if any The same data are saved in the Data log database with a storing rate defined with Storing period setting For instance it is possible to set a sampling period of 5 sec and a storing period of 30 sec In this case every 5 sec the software will read all variables defined in the data log configuration list and will check those among them for which alarm thresholds have been defined If there are no alarms once every 30 sec the sample will be stored in a new record of the database If the option Store alarms has been selected and one of the measures is out of bounds its value will be saved in the database even if the storing period has not yet elapsed Obviously the user can decide to set a storing period equal to the sampling period In this case every sample will be saved in the database When
80. nus can be saved on disk in a ASCII text file allowing the user to load them in another multimeter in a very fast and comfortable way This function is useful when it is necessary to program various multimeters with the same settings or when the user wants to keep track of the setting of one particular plant To save on disk select Parameters Save and enter the desired file name The extension for this type of file is PAR To execute the reverse operation that is transfer a file to the DMK memory use Parameters Load menu It is also possible to have a printout of the settings useful to archive with the plant documentation using Parameters Print menu electric MSGB104 0500 doc 15 12 2004 P 23 40 Page editor The Page editor is the part of the remote control software that allows the user to create some custom pages inserting indicators and fixed objects This argument that should be a part of the configuration Chapter has been left as the last part of the manual because it is intended for experienced users To open the page editor enter the password and click on Configuration Page editor Please note that during page editing as during configuration change the software enters Offline mode that is the serial communication with the multimeters is stopped When started the page editor shows an empty page With File menu it is possible to execute the common operations of loading saving and generating a blank new page The pages u
81. pended This command is to be used when for instance it is necessary to modify the network wiring or when DMK are to be switched off The System Offline status is displayed on the main page Toolbar at the bottom of the main window The system passes automatically in Offline mode when the user opens the Configuration window or the Page editor Modem Call To connect to one or several DMK via a couple of modems it is necessary to select the Modem connection checkbox in the Configuration Options General window Selecting modem communication will automatically change the communication protocol used by the software from the standard Modbus RTU to Modbus ASCII which can be used with modems From the user point of view the difference between those two protocols is only a little slower speed in case of the ASCII protocol due to its length that is double than the RTU and the modem modulation that requires also a certain amount of time When the program is configured for modem communication see Configuration Options General window it automatically shows the modem call dialog after it has been started because it is not possible to communicate with the DMK before dialing the phone number of the remote modem The same window can be opened manually using Communication Modem call menu or the dedicated pushbutton on the toolbar Figure 8 3 Communication Modem call Hodem call Select destination Po Phone nr Once the window i
82. s 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 Phone number of modem to be called Installation code They must all be different Description of installation Number of DMK units connected to the modem To enter a new record first click on New fill the fields and then click on Add Name of page to be loaded after connection has been established Remote central 0354282111 2 To eliminate a record first select it in the table then click Remove button To modify an existing record first select it from the table then do your modification in the field above finally click on Update Remote central 0354282111 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
83. same visualization of DIGITAL MULTIMETER eles displays and k He sai LEds real ones electric MSGB104 0500 doc 15 12 2004 P 18 40 Password When the software is started some of the functions are disabled By means of the Password menu it is possible to key in the password that will allow access to all functions including Modifying remote control software settings Entering a new password Delete records from Alarms and Data log databases Use of the page editor Modify the DMK settings from the remote control Figure 8 1 Password et Password After the first installation the password is LOVATO Later the user will be able to customize its password using the New Password button and then entering the new desired password two times Figure 8 2 New password Enter new password electric MSGB104 0500 doc 15 12 2004 P 19 40 Communication menu Online The Communication Online menu allows to re establish the serial link after it has been stopped by the user with the Offline command When clicking Online the software executes a complete scan of all configured DMK to verify their status Offline With communication Offline the user has the possibility to temporarily suspend the serial communication link between the PC and the DMK network When the software is in Offline mode all indicators are shown in a disabled status and Alarm checking and Data log are sus
84. sed by the remote control software are placed in a directory named PAGES ENG when the software is set for English language The pages are loaded and saved only from this directory For this reason the Open and Save windows do not appear as the common Windows file open save dialogs Page editor NEWPAGE ax File Page Indicator Object dadi In the following paragraphs we will explain the functionality of the page editor by means of a very simple example that will create a test page Lovato electric MSGB104 0500 doc 15 12 2004 P 24 40 Step 1 The first operation that the user can carry out is to define some general properties of its new page such as the title the background color and an optional background picture For this purpose use the Page Properties menu and open the following window Figure 10 1 Page Properties Page properties
85. t and end e View only alarms only events both e View alarms events from one particular multimeter or from all configured multimeters Figure 4 1 View alarms Description of the alarm or event Number of selected records Date Time of alarm or event Record type Event Alarm 5 records REMOTE CONTROL SET OFFLINE BY USER S DME 01 ONLINE 0 05 2002 16 16 59 Event REMOTE CONTROL STARTED Stops PC sound after one new alarm has been detected Enabled only if the option that opens Ma i ___B ACRNOMWIEdgEe ana window is enabled too Delete selected records from the database Allows to export data in ASCII text format or MS Excel format Select records from a particular multimeter or from all multimeters Select from viewing all only alarms only events Opens the window for defining start and end date electric MSGB104 0500 doc 15 12 2004 P 15 40 Graphs The content of the Data log and of the Energy meter log databases can be shown in the form of a graph strip chart
86. t is important to choose the PC port bearing in mind that one serial port is already used for the mouse in some cases Configure the software to use the selected serial port This can be done when the DMK exe software is executed for the first time and also later using Configuration Options General menu see the Configuration chapter The factory default for the serial port is COM1 9600 baud no parity Prepare the Rs 485 network Connect the Rs 232 Rs 485 converter to the PC Connect all multimeters interface terminals in parallel with the twisted pair cable and then to the interface converter as shown in the following wiring diagram Make sure the polarity is correct A and B terminals We strongly recommend to use an interface converter supplied by Lovato If the user wants to use an interface converter of another brand we will not able to help with wiring nor to assure that the communication will work properly However the interface converter must be insulated and have an automatic enable line control circuit From the front keyboard of each multimeter enter the serial interface setup P 41 and set one different serial address for each DMK starting from address 01 Make sure that the PC speed an parity settings match the DMK setting At this point it is possible to launch DMK exe If the wiring and settings are correct the link will be automatically established with DMK 01 Wiring diagram direct connection
87. th the Gauge 7 indicator and then click on the button Add new indicator At this point on the page a new indicator will be shown with standard position and dimensions At the same time the window moves to the basic properties for all indicators Figure 10 3 Indicator Properties Select from which DMK and which measures will be associated to the indicator Indicator position Coordinates 0 0 are placed at top left of the window Objects can also be moved selecting the move tool on the toolbar and dragging them with the mouse default multimeter L1 PHASE VOLTAGE Indicator dimensions Some indicators have fixed Height Width ratio In this case adjust dimensions using Width The properties shown in Figure 10 3 are common to all kind of indicators When specifying the multimeter from which read the measure please take into account that e fin the Select multimeter drop down box you choose one of the configured multimeters the measure displayed by the indicator will always be read from that specific multimeter This solution must be used when we want to put in the same page measures coming from different multimeters e If the Select multimeter drop down box is left to Default multimeter the indicator will show the measure read from the multimeter currently selected in the main page see figure 1 1 Building one page with all indicators set in this way will ena
88. the user defines the Storing period he must pay attention to the disk space available on its PC For instance setting a storing period of 5 sec a total of 17280 records day will be added to the database each one with date time and value of each variable defined in the data log list This is the reason why it has been decided to separate the storing from the sampling period This solution allows to check variables for alarms with a good frequency but to store them only when they are out of bounds and however with a slower ratio To limit the hard disk space occupation it is possible to eliminate automatically from the database the samples older than a defined number of days Setting Maintain samples of the last days to 7 only records of the last week will be kept in the database If the multimeter model does not support the selected measure for instance reading cos phi from a DMK22 the correspondent field in the datalog database will remain empty Data recorded in the database can be displayed in a table with View Data log menu or clicking on the corresponding icon on the toolbar Figure 3 1 View Data log Sample date and Number of Values of the time selected records sampled variables Data log C aoon 84058 C aoon 8A03 avon 8409 C aoon 8414 Zia 76 0 2 60 eff n0 l l 30030 84 8 277 0 277 0 278 0 278 0 277 0 277 0 278 0 277 0 276 0 276 0 AMET SE 3003401 8 4
89. tor rate status of description Type 2 connected DMKs The page shown in figure 1 1 called MAIN is one of the already made pages supplied with the program It is a non associated indicator page so the displayed measures are referred to the multimeter selected in the drop down selection box placed top right In this page are displayed many of the most important readings given by DMK that is A Phase to phase voltages B Frequency C Total active power D Total reactive power E Total apparent power F DMK digital outputs status G L1 L2 L3 phase voltage with instantaneous maximum and minumum values HIGH and LOW functions of the DMK H L1 L2 L3 phase current with HIGH LOW I L1 L2 L3 displacement power factor J L1 L2 L3 total power factor If the selected multimeter model does not provide one measure the correspondent indicator will show electric MSGB104 0500 doc 15 12 2004 P 6 40 System configuration To access the configuration window it is necessary to enter the password By default the password is LOVATO Click on Password menu key in LOVATO and then confirm with OK The configuration phase is a very important step to correctly define the program operation In particular in the case in which are connected more than one multimeter the user will have to pay attention to the setting of each DMK connected to the network Before proceeding with the explanation of the various functions of the so
90. trol software allows to connect one or more DMK series multimeters DMK32 DMK62 DMK40 DMK22 DMK52 to one PC and provides the following functions Graphically show the measures read from the multimeters in the form of virtual instruments gauges bar graphs displays counters and more Periodically sample a set of measurements defined by the user and save them on disk in different formats MS Access ASCII text MS Excel Periodically sample the DMK energy meters value and save them in a database Automatically calculate the energy consumption between on sample and the following Plot graphs of the sampled measures Apply alarm thresholds to the sampled measures Save on disk the alarm and event sequence happened in the multimeters network Show a virtual front panel of the multimeter with the possibility to view all the readings and to click on the pushbuttons Show modify save on disk reload and print the multimeter setup settings Display a graph of the voltage and current harmonic content using the FFT readings supplied by the multimeter Customize the software pages inserting indicators linked to measurements background pictures fixed texts command buttons and more Change the language of the software menus and commands selecting among Italian English French German and Spanish Minimum PC hardware requirements Windows 95 98 2000 XP operative system Graphic card with minimum resolution of 800x600
91. up menu In the same way after having selected one indicator it is possible to delete it with Delete Step 3 At this point we have created a very simple page that is ready to be loaded by the software Let s save the page with File Save as specifying for instance TESTPAGE This command will create a text file called TESTPAGE PGD and placed in the PAGES ENG directory with the other pages For whose interested the file content can be examined and eventually modified with a standard text editor Step 4 Now close the page editor with File Exit page editor The program loads the MAIN page figure 1 1 or the START page in this case select one of the DMK to move to MAIN page Now in the page selection drop down box we will find our TESTPAGE Selecting it the page will be shown and the indicator will display the equivalent phase voltage read from the currently selected multimeter At this point we have concluded the very minimum sequence to create a custom page We will now explain the other capabilities of the software that will enable to create more complex pages electrice MSGB104 0500 doc 15 12 2004 P 27 40 Indicator types Label indicator The label indicator shows one measure in numeric format L1 PHASE VOLTAGE Do0 Udm
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