VMU-C EM Web Server system for energy monitoring Instruction manual Version A10
VMU-C TABLE OF CONTENTS 1 INSTALLATION .................................................................................................................................. 5 1.1 1.2 1.3 1.4 2 PRELIMINARY REMARKS ................................................................................................................. 5 PACKAGE CONTENT ........................................................................................................................ 5 TECHNICAL FEATURES ........................
VMU-C 5.4 “POWER” CHART .......................................................................................................................... 86 5.5 “ANALOGUE VARIABLES” CHART .................................................................................................. 87 5.6 DC MAIN METER CHARTS ............................................................................................................. 89 5.7 ENERGY SUMMARY.........................................................................
VMU-C 14.3.4 MDE Tree view ................................................................................................................... 140 14.4 USING THE MDE ............................................................................................................................ 141 14.4.1 Creating a driver ................................................................................................................ 141 14.4.2 Deleting a driver ..................................................
VMU-C 1 1.1 INSTALLATION PRELIMINARY REMARKS This manual provides a comprehensive guide to VMUC-C EM (WebServer) installation, configuration and commissioning; it is addressed to technical staff members having an average knowledge of IT and of TCP/IP networking basic principles. VMUC is a web server and provides a comprehensive monitoring system for devices like power analysers (WM series), electric power meters (EM series), water/gas meters and environmental sensors.
VMU-C 1.3 TECHNICAL FEATURES VMUC-EM is micro PC, totally fanless and without any moving components, providing WebServer functions; thanks to the use of industrial hardware, to its extremely small size and to its low energy consumption it is ideal for monitoring applications requiring features like sturdiness and reliability along time; it can be installed in both technical and residential environments, without requiring any special caution during installation, usage and maintenance.
VMU-C Fig. 1 – Eos-Box dimensions 1.4 INSTALLATION AND CONNECTIONS To install VMU-C EM you need to perform the following steps: Connect the DC 24Vdc power supply (12Vdc to 28Vdc) through an appropriately sized feeder (recommended feeders: CG, SPM or SPD series) COM1: communication port for the connection to the RS-485 bus for VMUM-EM temperature measurement master devices (Pt100 or Pt1000; 2 or 3 wires), analogue inputs (mV or mA) or for digital input status monitoring (open/closed).
VMU-C All the VMU-M EM devices connected to the COM1 port will have to be set to the same baud rate. COM2: communication port for the connection on RS-485 bus of the electric power meters. The cascade-connected devices can communicate ad different baud rates (communication speeds) while using different communication addresses. You may connect up to 32 instruments (meters and/or analysers).
VMU-C 2 2.1 GENERAL OVERVIEW VMU-C EM VMU-C is conventional energy monitoring Web server based on Web technology. Once properly set up, the VMU-C EM software can be used through the net – both LAN and Internet – through any PC or device equipped with a common Internet browser.
VMU-C The system will display the following access page: Fig.– System access page Clicking the “SIGN-IN” button will access the Login page. The following are the default username and password: Username Password Name Level admin admin admin administrator To prevent any undesired access to the system, we recommend that you change the default password, particularly if you use Internet connectivity.
VMU-C 2.3 HOME PAGE The figure below shows the VMU-C EM home page: Lh frame Main menu Home Page In particular, we have highlighted the following items, which are always available while using the software: a) Main Menu: it includes the "Navigation Menu" b) Lh frame: starting from the top: Plant status. . The system reports the overall status and a synoptic showing the alert status for each category (alarms, anomalies, events, commands) and the relevant counters.
VMU-C 1) Instantaneous AC Power (active and reactive)– Instant power (kW,kvar) measured by the energy meter. The piece of data comes from the reference Energy meter (real or virtual), depending on the settings included in the “Energy Meters Configuration”. 2) Total AC Energy – Total Energy (active and reactive)measured by the energy meter. The piece of data comes from the reference Energy meter (real or virtual), depending on the settings included in the “Energy Meters Configuration”. Costs section.
VMU-C Value of the line voltages for the system and for the star voltages (phase1n, phase2n and phase3n). These values concern the reference instrument (real or virtual). If the reference instrument is virtual, each voltage value shown to the side is calculated as the average of all the relevant voltages of the real instruments set as contributors. Example: LLsys Voltage= [VLLsys(st1)+VLLsys(st2)+VLLsys(st3)+VLLsys(st..)]/n L1N Voltage = [VL1N(st1)+VL1N(st2)+VL1N(st3)+VL1N(st...
VMU-C 2.3.1 NAVIGATION MENU Hover your mouse over the different icons to display the relevant meaning in text form. Click on the icon to access the relevant section which will be displayed in the Main Frame. Home It allows to return to the main page. Monitor It allows to display in graphic form the main reference instrument data, like currents, voltages (VLL and VLN), power (kW and kvar), power factor (PF) and, if available, the analogue variables (°C and/or mA and/or mV).
VMU-C 3 SETTINGS Click on the “Configuration” icon in the Navigation Menu (Fig. 6) to access the whole system Configuration section. System Settings Three main configuration menus (SYSTEM, PLANT and OTHER VARIABLES) will be displayed on the screen: 3.
VMU-C 3.1.1 PLANT DATA SETTING Accessing the “PLANT DATA” menu will open the plant description page. 3.1.1.1 DESCRIPTION SETTING Clicking on the “DESCRIPTION” menu will display the main page providing a plant description: Plant Data Configuration The “Plant description” section (see the hatched area “A”) allows to enter the general plant data (name, location, date of installation, …) to simplify the management of the plant itself.
VMU-C For working days, besides, the user will be able to define two tariffs (T1 and T2) for which the individual kWh cost will be different. Within the working day the user will be able to define two periods to be associated with tariff “T1”. Note: any rime periods not included in tariff “T1” will be automatically included in tariff T2. For holidays, the T2 tariff shall always be used. Press “Save setting” to store the data into VMU-C EM.
VMU-C 3.1.2 LAN SETTING Clicking on “LAN SETTING” will grant access to the page shown below. “A” area ”B” area “C” area “D” area Network settings g This page consists of three sections: 1) Network setting To configure the LAN port, you can choose between two options: Get an IP address automatically (DHCP) (see “A” area) : the address is automatically acquired when switching on the VMU-C EM from a DHCP server, which must exist inside the network the device is connected to.
VMU-C Finally, you can manually specify the addresses of the preferred and alternative DNS servers to be used to access the Internet by selecting (Use the following DNS server addresses) (see “C” area); as an alternative, if the LAN port is set to DHCP mode, you can allow VMU-C EM to acquire the DNS server address from the DHCP server, by enabling the option (Get DNS server address Automatically).. Press the “Save setting” button to store the network setting.
VMU-C Dynamic public IP address management The service will be available after about 6 minutes. Note: Resorting to this service is often necessary when the Internet connection is established through a GPRS/UMTS modem or when you don't have any static IP address on your ADSL line. Mobile providers typically don't provide a static IP address. 3.1.3 NTP SERVER SETTING Clicking on “NTP SERVER” will grant access to the page shown below: NTP Server setting You can set up to two NTP servers.
VMU-C 3.1.4 DP SERVICE SETTING The DP service is the highly secure and efficient protocol that VMU-C uses to exchange information with Eos-Server and VMU-Y. The protocol is based on a Web-Service oriented architecture based on HTTP. Please check Em2-Server and VMU-Y documentation for information about those systems.
VMU-C 3.1.4.1 DP SERVICE SETTINGS By selecting the Setting submenu it is possible to access the DP Service configuration page.
VMU-C Test Connection Send Save setting Apply It allows to check if the configured parameters are good, and it is possible to establish a connection between VMUC and Em2-Server /VMU-Y It allows to send from VMU-C to Em2-Server /VMU-Y: Full configuration (after having finalized the VMUC’s configuration) Partial configuration (after having updated the VMU-C’s configuration) Command request (to force VMU-C to check if there are any pending commands on Em2-Server /VMU-Y) To save the configuration The r
VMU-C Data push logs VMU-C Instruction manual 24
VMU-C 3.1.5 FTP SERVICE CONFIGURATION By clicking on “FTP SERVICE” the following 3 sub-menu are presented: 3.1.5.
VMU-C “Enable FTP Service”: to be checked to enable data communication (both by FTP-push and HTTP-pull); both HTTP-pull and FTP-push are available at the same time.
VMU-C 3.1.6 MODBUS TCP SLAVE Clicking on “MODBUS TCP” will display a sub-menu, “SLAVE”, which allows setting the MODBUS TCP communication through the Ethernet port. Fill in the fields according to the following specifications: “Modbus TCP Enabling”: check the relevant box to enable this function. “Port”: set the relevant Ethernet port. 502 is the standard for Modbus TCP. Press “Save setting” key to store enabling and port settings.
VMU-C Press the “Create map” key to save the modifications and create the Modbus TCP map in VMU-C. Press the “Export PDF map” or “Export XML map” to create the map in PDF format or as an XML files to be exported to implement the Modbus TCP map in the relevant master. Press the “Reset TCP map” to reset and regenerate all the maps: in the latter case all the variables added in a second time will be re-aligned with the other ones. 3.1.6.
VMU-C “Enable Modbus TCP Mapping”: check the relevant box to enable the selected meter in the Modbus TCP map. “Modbus TCP address”: set the relevant Modbus TCP address (1 to 247) “Variables Available”: check the variables that must be retransmitted among the list of all the available ones.
VMU-C 3.1.7 MODBUS TCP MASTER The MODBUS TCP MASTER function allow VMU-C to gather data from meters connected via Ethernet, through the MODBUS/TCP protocol. By accessing the relevant item in the SYSTEM sub-menu (see picture), the configuration menu is displayed allowing to configure the necessary parameters.
VMU-C Connecting the VMU-W module To connect the Modem (VMU-W) to VMU-C you will have to perform the following steps: Make sure the VMU-C and the VMU-W are not powered. Connect the VMU-W to the VMU-C through the auxiliary bus on the left side of the VMU-C. Make sure the SIM is not protected by a PIN code (should that be the case, disable the protection). Insert the SIM into the VMU-W modem through the special slot.
VMU-C Modem configuration The web page includes 5 areas: a) MODEM CONNECTION STATUS Signal = Modem’s signal level (RX) Model = full Modem’s part number Network registration = Mobile network to which the modem is connected Data connection = connection status IP address = IP address assigned to the device by the mobile network b) MODEM CONFIGURATION Modem Enabling = to be checked to enable the VMU-W modem Internet Connection Enabling= to be checked to enable data communication over Internet S
VMU-C It is possible to overcome common issues in mobile communication by means of 3 different mechanisms: 1) Ping Reboot: if enabled, VMU-C + VMU-W sends a PING to the defined IP address (to be chosen as a reliable always ON server on Internet). In the case of repeated lost answer from the PING, the system reboots 2) Scheduled reboot: the system reboots each interval time (chosen in the relevant parameter field) 3) SMS command: see next section 3.1.8.
VMU-C VMU-C Instruction manual 34
VMU-C 3.1.9 ALARM SENDING CONFIGURATION Clicking on “ALARMS” will grant access to the page shown below. Outgoing mail configuration VMU-C can send alert emails and/or SMS to more recipients at the same time and according to predefined rules. This page contains two separate configuration screens, in order to create two separate users groups to send communications to. In “Send for” selection field, alarm messages can be filtered to be sent to the relevant receivers.
VMU-C VMU-C “Commands”: Change of parameters on EosArray Instruction manual 36
VMU-C 3.1.10 PLANNING CONFIGURATION Clicking on “PLANNING” will grant access to the page shown in below. Email scheduler Scheduling sending data via Mail VMU-C allows scheduling an e-mail sending with a .xls file attached, containing the system production data for the period selected in "Send Plant Data". The e-mail can be sent to more receivers at the same time. Note: to be able to send any e-mail, the outgoing mail server must be appropriately configured in the system.
VMU-C “Daily” file format “Weekly”: an .xls file containing the consumption data of each day of the week that just ended is sent at 11:59 p.m. of each Sunday. The file will have the following structure for the AC data and similar for the DC data: “Weekly” file format “Monthly”: on the last day of the month at 11:59 p.m., a .xls file is sent with detailed consumption data (daily definition) for every day of the month.
VMU-C “Yearly”: on December 31st at 11:59 p.m., a .xls file is sent with the consumption data (individual month definition) for every day of the year.
VMU-C 3.1.11 E-MAIL (OUTGOING MAIL SERVER) CONFIGURATION Clicking on the “E-MAIL” item will grant access to the page shown below Outgoing mail configuration The outgoing mail server configuration is necessary to send alarm or history data e-mails from the plant. If configuration is incomplete or incorrect, VMU-C EM cannot send any communications by e-mail. Fill in the fields according to the following specifications: “Sender address”: e-mail address associated with VMU-C EM.
VMU-C 3.1.12 UPDATING THE VMU-C FIRMWARE Clicking on the “FIRMWARE” item will grant access to the page shown below. Firmware update This page is split in 2 areas relevant to 2 ways of updating the VMU-C: a) Manual update b) Automatic update 3.1.12.1 MANUAL UPDATE Manual update allows to upgrade the current firmware release by uploading and installing a new firmware package file (provided by Carlo Gavazzi organization) by means of a PC.
VMU-C Firmware update splash screen Time to finalize installation depends on the actual VMU-C load (in tems of connected devices), Internet connection speed and size and complexity of the update package. Note: the time necessary to the system for loading the update depends on the speed of the Internet/LAN connection between the PC and VMU-C and could last for several minutes, particularly in connection with cellular modem. Wait for the report to confirm the successful download.
VMU-C on Carlo Gavazzi’s servers Enabled if CHECK is successful; it starts the package download from Carlo Gavazzi’s servers; at the end of the download step it is possible both to start installation and also to check again (the latter chance is useful in the case the download has not been followed by Install and time has passed by Enabled if DOWNLOAD is successfully finalized; it starts the package installation Download Install Note: the time necessary to the system for loading the update depends on the
VMU-C Note: setting up a custom FTP repository needs special training on the relevant procedures to allow firmware package deployment. Please contact Carlo Gavazzi Support for further information.
VMU-C 3.1.13 TOOLS The TOOLS menu By the tools menu it is possible to: a) Reboot VMU-C b) Setting up Time and Date c) Resetting VMU-C 3.1.13.1 VMU-C REBOOT VMU-C can be restarted through the “REBOOT” button. After issuing the command you will be prompted to confirm that you wish to proceed, then a countdown will displayed. When it is completed, you will be addressed back to the home page .
VMU-C Note: during update and restart, web pages can show error messages as VMU-C cannot be temporarily reached. Wait for a few seconds before restoring connection. 3.1.13.2 DATE,TIME AND VMU-M CONFIGURATION By pressing the “Set” button you can set the VMU-C internal date and time on all the VMU-M devices connected to VMU-C. If you select the “Synchronise with …” function the date and time sent to the VMU-C and as a consequence to the VMU-M devices connected to it will be those of the PC in use . 3.1.
VMU-C 5) Restore Factory Settings: it performs the reset operations described at point 4; it also resets all the settings like IP address, SMTP server and alarm management by e-mail (if a memory card has been installed in VMU-C, it is not affected by the Reset command). Default data (factory settings) will be restored. Note: to be able to execute any of the reset commands described above , you first need to enter the Administrator “Password”.
VMU-C 3.1.14 LANGUAGE SETTING Hovering the mouse cursor over “SYSTEM” will display a drop-down menu; click on “LANGUAGE”; the relevant section will be displayed. From the drop-down menu select the desired language. The system will also display the date and time formats currently in use. “Decimal Separator” box allows the choice between “.” and “,” as decimal separator in all the file which will be exported by VMU-C.
VMU-C 3.2 PLANT CONFIGURATION Hovering the mouse over “PLANT” will display a drop-down menu consisting of three items: “COM SETUP” , “DRIVER” and “SETTING” Plant Configuration Menu 3.2.1 COM SETUP Hovering the mouse over “COM Setup” will grant access to the page shown below, relevant to COM1 port according to the relevant RS485 parameters. The configuration of the “COM 2” port must be carried out during the configuration of the energy meters / inverters connected to VMU-C.
VMU-C 3.2.2 DRIVERS Hovering the mouse cursor over “DRIVERS” will display two items: LIST and IMPORT. Clicking the LIST item will grant access to the page shown below listing (in alphabetical order) all the drivers of the compatible energy meters in VMU-C EM. Driver list From version A8 of the VMU-C EM firmware, the driver list includes also Modbus/TCP drivers; see the relevant section dedicated to the MODBUS MASTER function.
VMU-C 3.2.3 PLANT SETTING When hovering the mouse over “Setting”, the system will display the two items WIZARD and SAVE CONFIGURATION . If the VMU-C configuration has already been completed, clicking on the SAVE CONFIGURATION item will allow to export it to a file with “DB” extension and to save it to one's PC, allowing it to be uploaded to the present or different VMU-C at a later time.
VMU-C Once the procedure for the automatic detection of the connected devices is completed, the system will display the page shown below listing the amount of the devices detected for the COM1 port and for the COM Aux port of the VMU-C EM. If all the devices connected to the ports (COM1 e COM Aux) have been detected, you can stop the automatic scanning procedure through the “Stop scanning” command.
VMU-C Clicking on the “Modify” button allows to display and modify the structure of the VMU-C EM and of each individual VMU-M EM adding or removing any VMU-x modules. You can modify the serial communication address of the specific VMU-M EM module. You can assign a specific group description (this way it might be easier to identify the board during monitoring) You can also associate a further descriptive note with the specific VMU-M EM module.
VMU-C VMU-O module configuration mask The system will automatically display the information concerning the source base module (VMU-C EM or VMU-M EM) and the location of the VMU-O module within the system. Indicate for each of the two outputs (Output1 and Output2) the function to be applied (Remote, Alarm, Clock): VMU-O usage modes Remote: Activation and deactivation are performed through a special command sent by the operator through VMU-C.
VMU-C 3.2.5 ENERGY METER CONFIGURATION Clicking on the “Next” button again from the “Manual setup” page will grant access to the Energy Meter configuration page Energy meter configuration 3.2.5.1 ENERGY METER ADDITION Clicking on the “Add” button will display the mask allowing to select the configuration model . Energy meter addition Click on the “Modify” button to access the detailed Energy Meter configuration .
VMU-C Energy meter configuration Energy meter configuration for meters with multiple variables’ groups VMU-C Instruction manual 56
VMU-C In the case of complex meters, multiple variables groups are included in the same configuration (this is the case for EM270 family).
VMU-C d) Description: label to be assigned to the Energy Meter. We recommend that you name instruments in progressive order to easily identify them during data or alarm search. Note: we recommend that you assign a different “Description” to the instruments.
VMU-C 3.2.5.2 MODBUS/TCP METERS From firmware release A8, also MODBUS/TCP meters can be connected by Ethernet to the VMU-C EM allowing it to gather data from them (see the section dedicated to “MODBUS/TCP MASTER” functions).
VMU-C Button granting access to the alarm configuration page It grants access to the configuration page allowing to configure up to 8 different alarms for each instrument.
VMU-C Enabled variables In case of DC energy meter, the available variable list is limited to current, voltage, power and DC energy. Set-Point1: it indicates the alarm activation value (MAXIMUM alarm with SetPoint1 ≥ Set-Point2; MINIMUM alarm with Set-Point1 < Set-Point2) Set-Point2: specify the alarm activation value.
VMU-C 3.2.6 COUNTERS CONFIGURATION Press the “Counters configuration” button to access the page allowing to configure the digital input meters (of any) of the energy meters. Button granting access to the meter configuration page You will access the configuration page allowing to set for each digital input a description, the engineering unit, the amount of digits after the decimal point and the relevant enabling.
VMU-C 3.2.7 ENERGY METER DELETION Press the “Remove” button to delete an instrument from the list of the configured energy meters. Energy Meter insertion/removal mask The system will display a message prompting to confirm the operation . Press ‘YES’ to confirm deletion or “NO” to cancel. If you press “YES” the Energy Meter will be removed from the Inserted Meter list. All data acquired from VMU-C EM up to that moment on the deleted Energy Meter will be definitively eliminated.
VMU-C 3.2.8 ENERGY METER SUBSTITUTION Press the “Substitute” button to substitute an instrument from the list of the configured energy meters. This feature is very useful in the case of a failure in a specific energy meter, after which it is necessary to physically change the meter with another item; the system will advise the user in the case the substituting meter manages less variables than the substituted one (e.g.
VMU-C 3.3 VMU-P MODULE CONFIGURATION if one or more VMU-P modules are identified during the “auto-detection” procedure, the system will display the screen shown below (for each VMU- M EM there may be no more than 1 VMU-P module; VMU-C EM can manage up to 11 VMU-P modules). The procedure for the auto-detection of the VMU-M EM scans all the devices existing on the COM1 port, stores their position and displays the current configuration.
VMU-C 3.3.
VMU-C Analogue input alarm configuration mask Maximum value of measuring electric scale (Hz): conversion parameter used to obtain the measurements from the frequency input (pulse input). This value represents the maximum frequency value the sensor can generate. Maximum value of displayed scale (expressed in the engineering unit specified above): Scaled value corresponding to the maximum value of the frequency signal.
VMU-C 3.4 VMU-O MODULE OUTPUT MANUAL COMMAND CONFIGURATION Pressing the “NEXT” button again will grant access to the screen allowing to configure the manual commands of the relay outputs on the VMU-O modules . Through this function, by using a manual command, you'll be able to remotely activate or deactivate (via Ethernet/through the Internet) the digital outputs of the VMU-O modules installed on-field. Note: To be able to use this function, the outputs on the VMU-O modules must be set to REMOTE control.
VMU-C 3.5 CONFIGURATION OF THE VMU-M EM MODULES Pressing the “NEXT” button again will grant access to the screen allowing to configure the VMUM-EM modules connected to VMU-C EM. VMU-M module configuration mask Besides the label defined above, the top section displays the ModBus address for the specific VMU-M EM module. The bottom section is used for the configuration of the digital or temperature inputs and for other general alarms. Two sections are described below: A.
VMU-C Other alarms group configuration mask Note: should VMU-C EM find that the VMU-M EM programming is inconsistent with the modules connected to it, you may choose whether the error should not be managed or whether an alarm should be activated on a physical output. Note: repeat the VMU-M EM MODULE CONFIGURATION procedure for each of the VMU-M EM modules connected to the VMU-C EM.
VMU-C 3.6 CONFIGURATION OF THE VMU-C EM MODULE Pressing the “NEXT” button again will grant access to the screen allowing to fully configure the VMU-C EM module. VMU-C EM configuration mask The paragraphs below describe the individual pages allowing to configure the available functions: GENERAL: it allows to set a password whose function is protecting the device against unwanted configuration changes or reset commands.
VMU-C OTHER ALARMS GROUP (VMU-C EM): this section allows to configure the Other general alarms (Fig. 63): o Communication Alarm on Port COM1 and/or COM2: should a device connected to the COM1 and/or COM2 communication ports stop communicating for more the 30 sec. (if set), the system will trigger the alarm. Other alarms group configuration mask Note: To be able to associate a physical output with these Other alarms, the VMU-O module must belong to the VMU-C EM group.
VMU-C 3.7 SENDING THE SYSTEM CONFIGURATION Once system configuration is completed, the system will display the relevant screen (Fig. 64): all data can be loaded into the MASTER VMU-C EM module. Only after the user has issued the “Send plant data” command shall the data be operational.
VMU-C 3.7.1 RESUME (SYSTEM) CONFIGURATION If you exit the setup wizard before it is completed, you'll be able to resume the procedure through the “Resume configuration” command Resume configuration 3.7.
VMU-C 3.
VMU-C You can define for each sensor a description which will help you identify, during reading, the sensor from which the measurement comes.
VMU-C 4 HOME PAGE Introduction The HOME PAGE contents are selected by the user; the availabel options are: LOAD PROFILE TREND (It is a graph displaying a selection of multiple variables according to user selection.TREND creation is made in the PLANT menu; see the relevant section in this manual for further information) ENERGY SUMMARY (It displays Daily, Monthly,Yearly consumption data for an ordered list of meters (selected by the user).
VMU-C The chart is automatically updated every 5 minutes. Hovering the mouse cursor over the chart area will display the relevant power value You can also select 3 different chart types: - On a daily basis (DAY): the system displays the charts referring to the trend of the current day and of the previous one.
VMU-C System Monthly “AC” power Print chart By clicking on the Print button located in the lower right corner of the chart area, you can select which printer shall be used to print the chart.
VMU-C 5 MONITOR - METER DATA ANALYSIS This section is devoted to the meter data analysis and allows to display in the main chart the trend of the main variables, like Current/Power Factor for each individual phase, System voltage (star and line), Power (active and reactive system power), analogue variables like Temperature, signal from pulse and analogue input (when available and anyway coming from VMU-P EM modules).
VMU-C Trend kvar Analogue variables Variables Active Power (system) Reactive power (System) kvar1 Kvar2 kvar3 Active Power (system) Reactive power (System) VMU-P environmental variables (note that disconnected environmental channels are marked with an asterisk) a) Graphic functions Charts consist of an X-axis, showing day hours from 00:00 a.m. to 11:55 p.m., and of as many Y-axes as the number of dimensions to be shown.
VMU-C Note: If chart is not displayed and a white area with the caption “No data to display” appears, it means that no data is available for the selected day.
VMU-C 5.1 “CURRENTS” CHART Main meter Currents chart (AL1, AL2 and AL3) The chart displays the three phase currents. These currents refer to the instrument of choice (real or virtual according to the system configuration settings). Data may be displayed on a daily, monthly or yearly basis. Note: in charts the sampling frequency (current values for each phase), depends on the storage interval set on VMU-C, which must be equal to 5,10,15,30,60 minutes.
VMU-C 5.2 “POWER FACTORS” CHART Power factors chart (for each individual phase) The Chart allows to compare the 3 individual phase Power Factors (PF1, PF2 and PF3), the system PF and frequency. These values refer to the instrument of choice(real or virtual according to the system configuration settings). Data may be displayed on a daily, monthly or yearly basis.
VMU-C 5.3 ”VOLTAGES” CHART Voltage trend chart The Chart compares the 2 voltage sets of data (VLNsys: star system voltage and VLLsys: line system voltage). These values refer to the instrument of choice (real or virtual according to the system configuration settings). Should the reference instrument be virtual, the voltages shown in the chart represent the average value of the voltages measured by each individual real instrument. Data may be displayed on a daily, monthly or yearly basis.
VMU-C 5.4 “POWER” CHART System power trend chart (kW and kvar) The chart compares the 2 system power magnitudes (kW: active system power; kvar: reactive system power). These values refer to the nstrument of choice (real or virtual according to the system configuration settings). Should the reference instrument be virtual, the powers shown in the chart represent the sum of the system powers (kW and kvar) measured by each individual real instrument.
VMU-C 5.5 “ANALOGUE VARIABLES” CHART Analogue variables By selecting “Analogue variables” you can display the 4 magnitudes listed below: a. b. “Temperature 1 (channel 1 of the VMUP) °C” “Temperature 2 (channel 2 of the VMUP) °C” Note: these inputs (channel 1 and 2) for temperature measurement can read data from “Pt100” or “Pt1000” probes with 2 or 3 wires. c. “Pulse rate input (VMUP pulse input)” Note: the pulse frequency input allows to measure a frequency signal for flow or speed measurements. d.
VMU-C Note: the sampling frequency in charts (analogue variables, temperature and pulse signal), depends on the storage interval set on VMU-C, which may be equal to 5,10,15,30,60 minutes.
VMU-C 5.6 DC MAIN METER CHARTS By the selection AC/DC put on the top right of the page the display can be changed from the AC main meter (virtual or real) to the DC main meter (virtual or real). In this case the only available graph compares the 3 DC main variables: voltage, current power.
VMU-C 5.7 Energy Summary Energy Summary This feature is available under the menu displayed in the above picture, in the MONITOR section. It displays Daily, Monthly,Yearly consumption data for an ordered list of meters (selected by the user).
VMU-C Energy Summary The action menu includes: Group TOTAL LAYOUT Available charts: Chart DAILY CHART MONTHLY CHART YEARLY CHART VMU-C Description Notes Selecting the contents of Available choices are: the TOTAL column.
VMU-C 5.7.1 Energy Summary configuration Energy Summary configuration The configuration of the ENERGY SUMMARY page is available under the ENERGY SUMMARY selection, in the MONITOR section. By means of this page it is possible to: 1. Select the list of target meters of which displaying energy data 2. Select the target variables out of the list of the available variables in the target meter; only totalyzing variables (i.e. kWh) are available in this section 3.
VMU-C 6 PLANT DATA CHARTS This section displays in graphical form all the data acquired by VMU-C EM and read by the different devices (energy meters and VMU-P modules for analogue variables). Click on the “Plant” icon in the Navigation menu to access the following page : Production data charts At the top there is the menu allowing to access the following sections: 1. “ENERGY DATA”: section devoted to the reading (in graphical form) of the energy and power value from the Energy Meters (EM). 2.
VMU-C 6.1 ENERGY DATA Hovering the mouse cursor over “ENERGY DATA” will display the items “MAIN METER AC”, “ENERGY METERS AC”, “MAIN METER DC”, “ENERGY METERS DC” . 6.1.1 MAIN METER The power/energy curve represents the sum of all the contributions from the energy meters (EM), respectively AC or DC, monitored by the system in the selected time interval.
VMU-C Daily: it shows the daily trend of power or energy on the selected day. (To choose the day use the special calender which can be accessed through the button next to the date field) Monthly: it shows the average daily power or the total measured energy, for each day of the selected month. To choose the month and year use the special selection menus next to the field. Annual: it shows the average monthly power or the total measured energy, for each month of the selected year.
VMU-C In the top left of this section there is a menu allowing to select the graphical display mode: "Line" (a continuous line) or "Bar" (for histograms). Note: we recommend that you use the “Line” display for the daily Power data and the "Bar" mode (for histograms) for the monthly and yearly energy data. Displaying a value in the chart Hovering the mouse cursor over the chart area will open a window with the relevant variable value .
VMU-C 6.1.2 ENERGY METERS (PARTIAL) Hovering the mouse cursor on “ENERGY DATA” and selecting the “ENERGY METERS” item will grant access to a window displaying the daily trend of the power measured by each energy meter of the plant. Each curve has a different colour and can be identified by the legend on chart bottom. Use the “Energy meter name” menu to display the production curve of a specific instrument, as well. ENERGY METERS – PARTIAL METERS chart This page is divided into two sections: A.
VMU-C The list of all the names assigned to the energy meters included in VMU-C EM; when selecting an individual meter, only the relevant curve will be displayed. The “ALL” item, allowing to simultaneously display all the energy meters configured and existing in the plant.
VMU-C As soon as the user accesses the page, the system displays the daily trend of the monitored meters installed in the specific plant. To simplify the identification of each individual track, every individual curve/line has a different colour and can be identified through the legend in the bottom section of the chart. The “Description” menu allows to select and display the meter trend from the specific instruments. Section A Section B Fig.
VMU-C Note: all keys and selections outside the dark grey area do not need the “Refresh chart” function. After a few moments the chart will refresh automatically.
VMU-C C. “Section B”, displaying in graphical form the trend of the different meters from the digital inputs. On the abscissa axis (X) the chart displays the time references; the relevant resolution (hours, days, months) depends on the selected display type (daily, monthly, annual). On the ordinate axis (Y) the chart displays the numerical references (automatically scaled) for each meter. For this type of view only the “Line” track is available (the “bar” button is not enabled).
VMU-C 6.3 TRENDS 6.3.1 Trends Editing Customized trends management page By means of the “TREND” submenu it is possible to create and save customized trends of groups of variables chosen from the available set. Any mix of variables from any energy meter or VMU-P module may be chosen.
VMU-C Customized trends management page - Modify By the “Modify” page it is possible to: Function How to Add a new Name to the customized By means of the “Label” field trend Select an Instrument By means of the “Instrument” drop-down list (Disabled instrument are marked with an asterisk) Select a module (relevant to the By means of the “Module” drop-down list instrument of choice) (i.e.
VMU-C 6.3.2 Trends Displaying Customized trends management page - CHARTS By choosing CHARTS in the TRENDS menu it is possible to display the trend of choice.
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VMU-C This page consists of two sections: A. “Section A”, on the TOP, allowing to make searches and to select the refresh time. Energy meter name: select the instrument from which you wish to read the variables in real time. Refresh time: select the refresh time for the displayed data (5, 10, 30 or 60 seconds). B. “Section B”,on the BOTTOM, displaying all the values refreshed according to the interval selected above.
VMU-C 6.5 OTHER VARIABLES Hovering the mouse cursor over “OTHER VARIABLES” will display the following screen: "Other variables" menu 6.5.1 ANALOGUE INPUT As soon as the user accesses the “ANALOGUE INPUT” page, the system will display the data from the VMU-P EM modules, and more precisely from the “mV” or “mA” inputs of the module itself. Accessing this page will display the daily trend of the variable monitored by the abovementioned analogue input.
VMU-C Daily: it displays the daily trend of the variable for the selected day. To choose the day use the special calender which can be accessed through the button next to the date field. Monthly: it displays the daily average of the value monitored by the analogue input, for every day of the selected month. To choose the month and year use the special selection menus next to the field.
VMU-C 6.5.2 TEMPERATURE As soon as the user accesses the “TEMPERATURE” page, the system displays the data coming from the VMU-P EM modules, and more precisely from the inputs for temperature measurement (from Pt100 and/or Pt1000) of the module itself. Accessing this page will display the daily trend of the variable monitored by the abovementioned analogue input.
VMU-C “Section B” (on the bottom) displays in graphical form the trend of the selected variable. E. On the ordinate axis (Y) the chart shows the scaled value for the monitored value (with auto-range function). Two display types are available: “Line” track or “Area” track. Note: in daily charts the sampling frequency depends on the storage interval set on VMU-C EM. It can be: 5,10,15,30,60 minutes. 6.5.
VMU-C After selecting the display type press the “Refresh Chart” button. On the right there is the menu allowing to select the digital input. The list shall include all enabled inputs. Note: all keys and selections outside the dark grey area do not need the “Refresh chart” function. After a few moments the chart will refresh automatically. F. “Section B” displays in graphical form the trend of the selected variable.
VMU-C 7 GENERAL CHART FEATURES 7.1 ZOOM FEATURE You can use the ZOOM function in any Chart display page, it allows you to zoom a particular area of the graph for further analysis. The ZOOM function is fast and easy. The picture below shows the sequence of operations to perform: Example of a graph that you want to further analyze.
VMU-C Zoomed area The zoom function is available for all chart types (histogram and area charts). By the RESET ZOOM button it is possible to come back to the initial scaling. 7.2 REFRESH FEATURE By the refresh button, available in each chart in bottom-left position, it is possible to refresh the displayed view 7.
VMU-C 7.4 CHART ACTION MENU Chart action menu By means of the 3-dots chart action menu (top right position) it is possible to export the present chart data with one click.
VMU-C 8 ALARMS This section is devoted to the management and display of the alarms which have occurred during installation. Clicking on the “Alarm” icon in the Navigation menu will grant access to the alerts content Alarms This table shows the list of alarms stored in VMU-C EM in chronological order, starting from the most recent. Note: alarm classification cannot be changed by user. Alarms are divided into three categories, each one with a different colour assigned to it.
VMU-C communication on bus RS485 fail to communicate for over 30 seconds, an “Anomaly” message will be generated). Anomalies generally inform the user of a situation which needs to be resolved quickly in the monitored system. “Events” include all the status changes of digital inputs, the power supply status change (on/ff) and all the changes in the configuration of the instruments or modules connected and monitored by the VMUC EM.
VMU-C 7. “End date”: date on which the alarm ceased. If alarm still exists, the field will be blank. 8. “End time”: time at which the alarm ceased. If alarm still exists, the field will be blank. 9. “Hide”: if checked, the alarm row will be automatically hidden. Note: To view all alarms, including the hidden ones, check “Show all” in the top right section of the screen. If the option is selected, a hidden alarm can be viewed again by simply unchecking “Hide”. 8.
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VMU-C 9 ECONOMIC ANALYSIS This section is devoted to the economic analysis of the installation. It allows to calculate the costs of the consumed AC energy. Clicking on the “Economy” icon in the Navigation menu will grant access to the relevant content .
VMU-C value is only displayed in case it should exceed the contract power threshold previously set by the user. The value is expressed in the currency set in the setup page. Note: for the four chart types described above, the value expressed on the Y axis must always refer to the cost expressed in the currency set during programming. In the “B” section area, with reference to the selections made in section “A”, the system will display the total values for each time band (T1 and T2) and the relevant total.
VMU-C 10 INFORMATION This section displays the data and characteristics of the monitored plant. Clicking on the “Information” icon in the Navigation menu will grant access to the relevant content Plant characteristics There are 3 sub-selections available from the information page: 1. VMU-C Status 2. Plant characteristics 3.
VMU-C 10.1VMU-C STATUS By this page it is possible to check in real time the main configuration settings relevant to the VMU-C device.
VMU-C 10.2Plant characteristics Plant characteristics This page consists of three sections: 1. “Description”: it displays the plant identification data (name, place and date of installation, etc. …). 2. “Contract highlights”: for each tariff the section specifies the fixed costs, the unit cost for both active (kWh) and reactive (kvarh) energy, the maximum contract power value for each individual tariff, and finally any additional cost (for each kW), should the maximum contract power be exceeded. 3.
VMU-C 10.3Database characteristics By this view, it is possible to check the present database occupation; VMU-C’s Database is organized with a FIFO logic: information with the highest granularity are periodically averaged (from high granularity to daily granularity) and then deleted daily, so as not to exceed the available storage space. This means then the database grows until the maximum size is raised and then the VMU-C self adapts itself to not to exceed that threshold.
VMU-C 11 DATA EXPORT This section allows to export the data stored in VMU-C EM to an Excel file. Clicking on the “Export” icon in the Navigation menu grants access the following screen Exporting stored data This area allows to choose the type of data to be exported and the relevant period. To generate the file press the “Export data” button. File can be open or saved on one's own PC.
VMU-C “Alarms” web section. The saved file name will be of the following type: “ALARMS_dd_mm_yyyy.xls” “Energy meter AC” or “Energy meter DC”: the system will export the electric values acquired by the instruments (AC or DC energy meters) connected to the VMU-C EM. The instrument whose values have to be exported must be selected from the relevant drop-down menu; also define the type of data to be exported (Average, Maximum or Minimum).
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VMU-C 12 ACCOUNT Clicking on the “Account” icon in the Navigation menu will grant access to the Account configuration section devoted to users management for access to system. Account Menu 12.1ACCOUNT MANAGEMENT Accesses to the system are managed by creating two user types with different privileges. A. The “Administrator” type account has access to all software areas: “System configuration”, “Account configuration”, “Data display”. B.
VMU-C Press the “Add account” button. The following screen will be displayed in the bottom section of the page: add account Fill in the fields according to the following specifications: “Name”: Name of the user. Note: We recommended that you never assign the same “Name” to two different users. “USERNAME”: Username for access to the system. Note: Two users with the same “Username” cannot be entered. “PASSWORD”: Password for access to the system. “LEVEL”: user level: User/Administrator.
VMU-C Modify the settings as already described in paragraph "New account insertion" above, taking into account that the Username field cannot be edited. Press the “Reset” button to cancel the modifications; “Cancel” to cancel the operation. Press the “Save” button to modify the account. 12.4DELETING AN ACCOUNT Select the account to be deleted from the list shown in Fig. 150. Press the “Delete account” button. The confirmation message appears on the centre of the page.
VMU-C 13 DATA BACK-UP Data back-up on external memory (optional) Using a “Micro SD” or “SDHC” memory card appropriately inserted in the relevant slot or a PenDrive directly connected to the USB port , you can back up the data existing in the VMU-C EM database. Note: the Micro SD card is not supplied with VMU-C. VMU-C supports Micro SD or PenDrive cards whose capacity doesn't exceed 16GB. Micro SD installation 1. Open the flap located on the front section of VMU-C EM.
VMU-C Pen-drive installation 1. Identify the USB port specifically designed for the insertion of the “Pen Drive” memory , Slot for Micro SD cards 2. Insert the Pen-drive, making sure it is not write-protected and it is properly formatted (FAT32). 3. As soon as you have inserted the Pen-drive, VMU-C EM will install the memory and transfer the BACK-UP data. As long as the installation and writing operations are under way, the front “USB” LED (blue) will blink.
VMU-C performs automatically, will prevent the databases of different VMU-C from being overwritten. Folder “cfg” Folder “db” Folder “DriverWin_USB_Eth” File “ipAddress” EXCEL file “VMUCDATA week_......” The “cfg” folder contains two files: 1) EWgeneral.db: it contains the general system configuration, the IP address, the scheduled operations, the e-mail addresses for the sending of scheduled messages or in case of alarm, etc. 2) EWplant.
VMU-C If the memory device (micro SD or Pen Drive) is left inserted into VMU-C EM, at 12:00 a.m. o'clock VMU-C adds on a daily basis a new file containing the data of the just expired day (with the same formatting as the previous file).
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VMU-C 13.2RESTORING THE DATA-BASE FROM BACK-UP (DISASTER RECOVERY) If a memory pen or a micro SD memory card was inserted in VMU-C the following screen will be displayed: Database Restore The screen in question allows to access two distinct operations: - Import Plant Configuration - Disaster Recovery 13.2.1 CONFIGURATION RESTORE Performing this operation is equivalent to “Restoring the configuration from back-up”.
VMU-C 13.2.2 DATABASE RESTORE (Disaster Recovery) This operation allows to import into a VMU-C EM the Database of another VMU-C EM (this function can be very useful in case the device should have to be replaced as a consequence of a failure). The “Disaster Recovery” function imports into the new device all the data previously saved in the VMU-C EM which has failed (data-logger + events).
VMU-C 14 MODBUS Driver Editor 14.1Abstract The MDE (Modbus Driver Editor) is a flexible platform aimed at developing MODBUS drivers for VMU-C so as to connect MODBUS meters either by RS485 or Ethernet and gather data from them according to their MODBUS protocol. 14.2MDE launching MDE (MODBUS Driver Editor) is available only to users with ADMINISTRATOR profile. The tool is launched by the relevant menu item in the SETTINGS group (see the image below).
VMU-C 14.3MDE overview There are 2 views available from the MDE: List view: showing the list of the available drivers, highlighting their status Tree view: showing the inner hierarchy of a driver for a specific device 14.3.
VMU-C 14.3.3 Drivers’ status in the MDE LIST view Status EDITING COMPILED REJECTED ACTIVE 14.3.
VMU-C Level VARIABLE TREND Description Any single variable in the relevant group; MODBUS register settings, scales, ranges, validation rules are defined at this level Any trend definition based on the available set of variables to be embedded in the driver; the TREND will be available for whatever VMU-C using the driver 14.4Using the MDE 14.4.1 Creating a driver A new driver is creating by means of the NEW driver function, in the contextual menu, from the LIST view.
VMU-C By this function it is possible to export the driver as an XML formatted file. The file is now available for being imported in another VMU-C EM unit powered by A9 (or more updated) firmware version. 14.4.6 Testing a driver An existing driver can be tested without activating it, by using the relevant testing function. The testing function allows to interactively test a Driver of choice by reading on demand the desired Modbus frames with the variables of choice.
VMU-C 14.4.7 Configuring communication parameters The first step while editing a driver, is configuring the relevant communication parameters.
VMU-C Parameter Address size Port type Baud rate Parity Data bits Stop bits 14.4.8 Description addresses Free = valid for devices which embed multiple subdevices with free Modbus addresses 1 Byte 1 Word 2 Words RTU TCP Range of allowed baudrate values Range of allowed parity values Range of allowed data bits values Range of allowed stop bits values Notes TCP/RTU Both Both RTU RTU RTU RTU Adding/editing/deleting/saving a configuration Configurations are different working modes in the same meter.
VMU-C 14.4.9 Adding/editing/deleting/saving a group Configurations are sets of variables in the same configuration. Some meters may have different groups, usually corresponding to a sub-meter, in the same configuration. It is possible by this section of the interface to add, edit, save and delete a group.
VMU-C 14.4.10 Adding/editing/deleting/saving a variable By this section it is possible to add/edit/save/delete a variable, which is always contained in a group. There are two groups of settings, the header on the TOP and the tabs on the bottom. 14.4.10.1 Header parameters Parameter Label Function Type Starting address Swap Type Reading frequency Binding variable Length(Words) Swap variable 14.4.10.
VMU-C Limit Limit Limit Scale Rules Rules Rules Rules Rules Limit scaling) Limit scaling) Limit scaling) Invalid value Special Hex value indicating invalid reading Underflow Special Hex value indicating Underflow Overflow Special Hex value indicating Overflow Scaling formula, allowing to define whatever combination of registers to calculate a variable on the basis of different registers (e.g.
VMU-C linking a trend to a driver, the trend itself will be immediately available for being used without any need to be configured afterwards.
VMU-C 15 USER INTERFACE CUSTOMIZATION 15.1 ABSTRACT Starting from VMU-C EM firmware release A10, the user can customize parts of the VMU-C’s user interface, so as to adapt it to his needs. User interface customization There are 2 features available to customize the user interface: Logo Home configuration The former allows to change the company logo in the user interface web pages and in the login and update pages; the latter allows administrators to change the home page according to the needs.
VMU-C 15.2 LOGO CUSTOMIZATION Logo customization This feature is available under the menu displayed in the above picture. This function allows to upload a picture file in different formats: File format Max size (kB) Dimensions PNG 250 Min.: 300x224 Max.:455x340 JPG 250 Min.: 300x224 Max.
VMU-C Logo customization Two preview boxes are available to check the results both for small logo (ordinary web pages) and the large logo (login and firmware update screens).
VMU-C 15.3 HOME CONFIGURATION Logo customization This feature is available under the menu displayed in the above picture. This function allows to select the HOME Page contents out of the following choices: Selection Description Notes Load Profile Chart displaying the main meter daily consumption graph, comparing the today’s profile Vs.
VMU-C Logo customization The available actions are: Action SAVE Home Page Selector VMU-C Interface control SAVE pushbutton 3 choices check box Instruction manual Description Saving the present selection Selecting the desired choice among: LOAD PROFILE TRENDS ENERGY SUMMARY 153
