CARLO GAVAZZI VMU-C EM User manual

VMU-C EM
Web Server system for energy
monitoring
Instruction manual
Version A6

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TABLE OF CONTENTS
1INSTALLATION ..................................................................................................................................4
1.1 PRELIMINARY REMARKS ............................................................................................................4
1.2 PACKAGE CONTENT................................................................................................................... 4
1.3 TECHNICAL FEATURES ............................................................................................................... 5
1.4 INSTALLATION AND CONNECTIONS............................................................................................6
2GENERAL OVERVIEW ........................................................................................................................8
2.1 VMU-C EM ................................................................................................................................8
2.2 ACCESS TO THE SYSTEM.............................................................................................................8
2.3 HOME PAGE ............................................................................................................................ 10
2.3.1 NAVIGATION MENU............................................................................................................ 13
3SETTINGS ........................................................................................................................................ 14
3.1 SYSTEM CONFIGURATION........................................................................................................ 14
3.1.1 PLANT DATA SETTING ......................................................................................................... 15
3.1.2 LAN SETTING....................................................................................................................... 17
3.1.3 NTP SERVER SETTING .......................................................................................................... 19
3.1.4 DP SERVICE SETTING ........................................................................................................... 20
3.1.5 FTP SERVICE CONFIGURATION............................................................................................. 23
3.1.6 MODBUS TCP...................................................................................................................... 25
3.1.7 THE VMU-W MODEM.......................................................................................................... 28
3.1.8 ALARM SENDING CONFIGURATION ..................................................................................... 32
3.1.9 PLANNING CONFIGURATION ............................................................................................... 34
3.1.10 E-MAIL (OUTGOING MAIL SERVER) CONFIGURATION ...................................................... 37
3.1.11 UPDATING THE VMU-C FIRMWARE ................................................................................. 38
3.1.12 TOOLS............................................................................................................................. 42
3.1.13 LANGUAGE SETTING ....................................................................................................... 45
3.2 PLANT CONFIGURATION.......................................................................................................... 46
3.2.1 COM SETUP ........................................................................................................................ 46
3.2.2 DRIVERS.............................................................................................................................. 47
3.2.3 PLANT SETTING................................................................................................................... 48
3.2.4 CONFIGURATION OF THE VMU-O MODULES (VMU-O EM) ................................................... 50
3.2.5 ENERGY METER CONFIGURATION ....................................................................................... 52
3.2.6 COUNTERS CONFIGURATION............................................................................................... 56
3.2.7 ENERGY METER DELETION.................................................................................................. 58
3.3 VMU-P MODULE CONFIGURATION .......................................................................................... 59
3.3.1 ALARM CONFIGURATION ON VMU-P MODULES .................................................................. 60
3.4 VMU-O MODULE OUTPUT MANUAL COMMAND CONFIGURATION........................................... 62
3.5 CONFIGURATION OF THE VMU-M EM MODULES...................................................................... 63
3.6 CONFIGURATION OF THE VMU-C EM MODULE......................................................................... 65
3.7 SENDING THE SYSTEM CONFIGURATION.................................................................................. 67
3.7.1 RESUME (SYSTEM) CONFIGURATION ................................................................................... 68
3.7.2 IMPORT (SYSTEM CONFIGURATION).................................................................................... 68
3.8 “OTHER VARIABLES” SETTING .................................................................................................. 69
4HOME PAGE.................................................................................................................................... 71
5MONITOR - METER DATA ANALYSIS................................................................................................ 73
5.1 “CURRENTS” CHART ................................................................................................................ 76
5.2 “POWER FACTORS” CHART ...................................................................................................... 77
5.3”VOLTAGES” CHART ................................................................................................................ 78
5.4 “POWER” CHART..................................................................................................................... 79
5.5 “ANALOGUE VARIABLES” CHART.............................................................................................. 80
5.6 DC MAIN METER CHARTS......................................................................................................... 82

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6PLANT DATA CHARTS...................................................................................................................... 83
6.1 ENERGY DATA ......................................................................................................................... 84
6.1.1 MAIN METER ...................................................................................................................... 84
6.1.2 ENERGY METERS (PARTIAL) ................................................................................................. 87
6.2 COUNTERS (GENERIC FROM DIGITAL INPUTS) .......................................................................... 88
6.3 TRENDS................................................................................................................................... 92
6.3.1 Trends Editing..................................................................................................................... 92
6.3.2 Trends Displaying................................................................................................................ 94
6.4 REAL TIME VARIABLES ............................................................................................................. 95
6.5 OTHER VARIABLES................................................................................................................... 97
6.5.1 ANALOGUE INPUT............................................................................................................... 97
6.5.2 TEMPERATURE.................................................................................................................... 99
6.5.3 PULSE RATE INPUT ............................................................................................................ 100
7GENERAL CHART FEATURES .......................................................................................................... 102
7.1 ZOOM FEATURE .................................................................................................................... 102
7.2 REFRESH FEATURE................................................................................................................. 103
7.3 PRINT FEATURE ..................................................................................................................... 103
8ALARMS........................................................................................................................................ 105
8.1 COMMANDS ......................................................................................................................... 107
9ECONOMIC ANALYSIS ................................................................................................................... 109
10 INFORMATION.............................................................................................................................. 111
10.1 VMU-C STATUS...................................................................................................................... 112
10.2 PLANT CHARACTERISTICS.............................................................................................................. 113
11 DATA EXPORT ............................................................................................................................... 114
12 ACCOUNT...................................................................................................................................... 117
12.1 ACCOUNT MANAGEMENT ..................................................................................................... 117
12.2 ADDING ANEW ACCOUNT ..................................................................................................... 117
12.3 UPDATING AN ACCOUNT ....................................................................................................... 118
12.4 DELETING AN ACCOUNT ........................................................................................................ 119
12.5 LOGGING OFF AN ACCOUNT .................................................................................................. 119
12.6 HISTORY OF ACCESSES TO THE SYSTEM .................................................................................. 119
13 DATA BACK-UP ............................................................................................................................. 120
13.1 RESTORING THE CONFIGURATION FROM BACK-UP (FROM FILE) ............................................. 124
13.2 RESTORING THE DATA-BASE FROM BACK-UP (DISASTER RECOVERY)....................................... 125
13.2.1 CONFIGURATION RESTORE............................................................................................ 125
13.2.2 DATABASE RESTORE (Disaster Recovery) ....................................................................... 126

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1 INSTALLATION
1.1 PRELIMINARYREMARKS
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.
The software and all the components needed for panel operation require no installation
of additional software components.
1.2 PACKAGECONTENT
VMU-C EM is supplied in its package, along with the following items:
VMU-C Web Server
Installation manual

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1.3 TECHNICALFEATURES
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.
The following table provides a summary list of the product characteristics:
Ports and
connections
1 X 12 to 28Vdc power supply (A1+ and A2-)
2 X RS-485 (COM1 and COM2) :
COM1
Data –(A-)
Data + (B+)
GND
COM2
Data –(A-)
Data + (B+)
GND
1 X RJ-45 connector for 10/100 Base-T Ethernet [Communication]
[ Communication port –Default IP: 192.168.1.110 ]
Pin 1 TX+
Pin 2 TX-
Pin 3 Rx+
Pin 6 Rx-
1 X standard USB
1 X mini USB (through a dedicated driver it allows to access the system
through the IP address 192.168.254.254)
1 X slot for micro SD or SDHC memory card
Absorption
5W Max.
Operating conditions
-25°C to 40°C
COM port
termination
Both COM ports are internally terminated with a value of 150Ω and
polarised with two 511Ω resistors (from “B+” to +5V and from “A-“ to
GND). As a consequence no other external connection is required.

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Fig. 1 –Eos-Box dimensions
1.4 INSTALLATIONANDCONNECTIONS
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).
You may connect up to 10 VMU-M EM systems with the relevant VMU-P EM
and/or VMU-O EM modules.

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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).
The following figure lists the compatible instruments as of the current date:
List of the available energy meter drivers
The log data recorded throughout the day shall be available to be shown in graphical form for 6 months.
The daily data, that is the summary values of each day shall be available to be shown in graphical form for 10 years.
Connect the system to the data network through a standard Ethernet cable, using
the LAN communication port configured with the default static IP address
192.168.1.110
Connect the GPRS/EDGE/UMTS/HSDPA modem by means of the VMU-W
module through inner bus (optional).
Once power is supplied to the VMU-C EM, the following LEDs will light up on the front
panel: green “ON” LED (indicating the machine is powered), orange “BUS” LED
(indicating inner BUS activity), orange “COM1” and COM2 LEDs (indicating COM door
activity), blue “USB” LED (indicating the presence of an USB device) and red “AL” LED
(indicating the presence of any alarm condition); when connecting the network cable, the
Ethernet port LEDS will light up as well.
After connecting and powering the VMU-C, access its configuration Web pages as
described in the next chapter.

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2 GENERAL OVERVIEW
2.1 VMU-CEM
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.
As VMU-C EM is based on the Web technology, it can be used as an ordinary Web site;
the data and status display function for the devices installed in the plant (analysers,
meters, environmental sensors) is based on the innovative AJAX technology, allowing to
send and receive information without having to reload the graphical pages.
2.2 ACCESSTOTHESYSTEM
To access the system, you first need to establish a network connection between your PC
and VMU-C EM, using the LAN port existing on the device; you have the following
options:
Directly connect the two devices (VMU-C EM and PC) through a network cable
Connect both devices (VMU-C EM and PC) to your local network
Directly connect the two devices (VMU-C EM and PC) through a USB/mini-USB
cable.
The VMU-C EM default address is 192.168.1.110; in any connection configuration; this
implies that, in order to be able to communicate with VMU-C, your PC must belong to the
same sub-network; that means its IP address must be “192.168.1.x”, where “x” must be a
number ranging between 1 and 254, other than 100.
Technical support operators can also communicate with the VMU-C EM through the
same LAN port, using the address 192.168.253.254 (this address is fixed and cannot be
changed).
If using a mini-USB cable to connect the devices, use the address 192.168.254.254.
If your network setting is different (the first 3 number are not the prescribed ones) you
need to temporarily modify your network setting as specified above; then, as described
below, after accessing the software you can modify the VMU-C EM network parameters,
to ensure that it is compatible with your network, and finally restore your original network
setting.
After configuring your IP address, open an Internet browser and type the following
address:
http://192.168.1.110

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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.

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2.3 HOMEPAGE
The figure below shows the VMU-C EM home page:
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. The COM ports status is also displayed .
Alerts section
Production data (automatic data update).
Lh frame
Main menu

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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.
Energy costs, calculated at yearly, monthly
and daily level, starting from the energy
consumption measured by the main meter
and the tariff profiled set-up in the relevant
configuration section
Rh frame:from the top:
Log-off button Click the button to log off of the VMU-C EM and return to the
access page.
Username
PC's date and time.
Values of the voltages for the main meter (green frame). In this frame data
are continuously updated.

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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...)]/n
L2N Voltage = [VL2N(st1)+VL2N(st2)+VL2N(st3)+VL2N(st...)]/n
L3N Voltage = [VLN3(st1)+VLN3(st2)+VLN3(st3)+VLN3(st...)]/n
Where LLsys, L1N, L2N and L3N Voltage represent the values displayed in the green
frame. L1N(st1) represents the phase1-neutral voltage of instrument 1, L2N(st2) the
phase2-neutral voltage of instrument 2, L3N(st3) represents the phase3-neutral voltage of
instrument 3 and so on … “n” represents the amount of instruments set as “contribution”.
Values of the star voltages for the reference instrument (lower orange
frame). In this frame data are continuously updated.
Current value for each phase. These values
concern the reference instrument (real or
virtual).
c) Main Menu: this area displays the selected variables in graphic form. The type
of chart/displayed variables can change according to the selected icon (see
navigation menu) and to the variable the user wishes to display. In the bottom
section, besides, there is a frame displaying some information about the plant
(name, location, …).

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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).
Plant
It allows to display in graphical form all the acquired system data.
Alarms
It allows to display the alarms that have been raised in the plant.
Economy
It allows to display in graphic form the economic countervalues from consumption
monitoring.
Information
A tab displaying the plant characteristics.
Export
It allows to stored data to xls format.
Setting (Only available for Administrator users)
It allows to access the system configuration menu.
Account (Only available for Administrator users)
It allows to access the Account management question.
Help
It opens the online Help remotely hosted on Carlo Gavazzi’s servers

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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:
3.1 SYSTEMCONFIGURATION
Clicking on the “SYSTEM” menu will display the following sub-menus:

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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. In the “Currency” box the user can specify the reference currency for VMU-C
EM (€, £, $, …).
The “Contract highlights” section (see the hatched area “B”) displays economy
information, concerning the type of contract signed with the energy provider utility (fixed
costs, unit costs, contractual limits, etc.). These data must be edited using the point “.” as
decimal mark (should you use the comma“,” edited data will not be saved).
Note: when configuring the economic data (see frame “B”) we recommend that you
refer to the contract signed with the relevant utility.
In section “Tariff Calendar Configuration” (see the hatched area “C”) the user can
define which weekdays shall be considered as holidays (by exclusion, non-selected
days shall be considered as working days).

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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.

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3.1.2 LAN SETTING
Clicking on “LAN SETTING” will grant access to the page shown below.
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.
The IP address will be dynamic and not known in advance. In this case
you can reach VMU-C from within the same network by typing on the
browser the Machine Name assigned to it (e.g. VMU-C01).
Use the following IP address (Static routing) (see “B” area): you need to
manually specify an IP address along with a network mask and a default
gateway.
In the absence of a network administrator who can provide the correct
network parameters, assign an address belonging to the same class as
those of the other devices existing on the same network, and indicate
“255.255.255.0” as the network mask.
The default gateway is only mandatory if you plan to access VMU-C EM
through the Internet using the LAN connection; in this case, indicate in this
field the IP address of the ADSL router.
“A” area
”B” area
“C” area
“D” area

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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. To apply the new
settings, VMU-C needs a restart, which is performed automatically; wait until
the count-down is over; then you'll routed back to the home page.
The system requires to have access to the Internet for the following services:
- To send e-mails to the configured SMTP server.
- To synchronise the date and time settings through the NTP service (if
configured).
Note: to ensure that VMU-C EM is accessible from the outside through a
LAN connection, it needs to be appropriately re-routed to the ADSL Modem
or Router (NAT- Port forwarding) to which it is connected. The ports to be
re-routed are: 80 and 52325.
2) Dynamic public IP address management
Should you not have at your disposal a static public IP address allowing to
reach the VMU-C from the Internet, but should you have to use any public IP
addresses dynamically assigned by your ISP (Internet Service Provider), you
may resort to DNS server managers keeping the dynamic public IP address
constantly synchronised with a domain name (see “D” area). The managers
with which VMU-C EM is compliant are DynDns.org, DynDns.it and No-
ip.com. To access the service you need to connect to http://www.dyndns.org/
(or http://www.dyndns.it/ or http://www.No-ip.com/), register by creating an
account and finally create a new “Dynamic DNS host”. The term "Dynamic
DNS host" indicates a domain address which shall then be typed into the
browser's address bar to reach VMU-C. (E.g. VMUC.No-ip.com). When
registering to DynDNS.org (or to an equivalent site), please provide a
Username and a Password that VMU-C will use to authenticate with the
server.
To enable the management of the dynamic public IP address you need to:
Check “Enable dynamic DNS”.
Type the name of the chosen Dynamic DNS host.
Type the Username and Password provided during account
registration.
Click on “Save setting”
Note: Carlo Gavazzi has no commercial or technical agreement with any
Dynamic DNS service provider; the above compliancy is meant as a tool
to allow customer to use some of the major dynamic DNS infrastructure
available in the market

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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. Enabling this server type allows to constantly
synchronise the DATE and TIME data.

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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.
Both Em2-Server and VMU-Y allow users to build distributed systems where VMU-C EM
is a gateway in a charge of gathering data from the plant and route information to a
centralized database (Em2-Server /VMU-Y)
Em2-Server architecture
DP Service Menu