VMU-C EM system Integrated modular system to monitor conventional energy Benefits Description VMU-C EM is a modular system that records, monitors and transmits analog and digital signals from an industrial, commercial or residential installation with a specific focus on energy efficiency. The system includes a web server with a powerful and intuitive user interface to monitor data and set up the system.
VMU-C EM system VMU-C EM system modules VMU-C EM system modules are: Symbol Name VMU-C EM VMU-M EM VMU-O EM Description Main module made up of a micro PC pre-installed with a web server. Communicates via various communication protocols. Monitors and records information and alarms. Transmits data supplied from energy meters and VMU-O EM and VMU-P EM accessory modules. One VMU-C EM module per system. Accessory module that controls VMU-O EM and VMU-P EM modules.
VMU-C EM system VMU-C EM system architecture (configuration maximums) 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
VMU-C EM system VMU-C EM system communication architecture (inputs and outputs) 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
VMU-C EM system Features General Material Assembly Protection grade Terminals Over voltage category Rejection (CMRR) Noryl, self-extinguishing V-0 (UL94) DIN rail Front: IP40, Terminals: IP20 Section: 1.5 mm2 maximum; Torque: 0.4–0.8 Nm Cat. III (IEC 60664) >65 dB, from 45 to 65 Hz Environmental Working temperature Assembly Storage temperature From -25 to +55 °C/ from -13 to +149 °F (relative humidity <90% without condensation @ 40 °C/104 °F).
VMU-C EM system Compatibility and conformity Electromagnetic compatibility (EMC) immunity Reference: EN61000-6-2 Electrostatic discharges: EN61000-4-2: 8kV air discharge, 4kV contact Immunity to irradiated electromagnetic fields EN61000-4-3: 10V/m from 80 to 3000MHz Immunity to Burst EN61000-4-4: 4kV on power lines, 2kV on signal lines Immunity to conducted disturbances: EN61000-4-6: 10V from 150KHz to 80MHz Surge: EN61000-4-5: 500V on power supply.
VMU-C EM main module Main features Description VMU-C EM is the main VMU-C EM system module. It is a micro PC pre-installed with a web server with pages viewable via browser. It monitors the system, recording and transmitting energy meters data. It communicates via various communication protocols (FTP, HTTP, Modbus TCP/IP) in wired connection. If connected to the modem module (VMU-D module) it also communicates via wireless 3G mobile network.
VMU-C EM main module Structure A B H C I D E C F G Element A B C D E F G Component Function Ethernet port Displaying the web interface and transmitting data to remote systems via wired connection USB Port (Host funPermitting data backup on USB flash drive (not supplied) ction) Indicating the following statuses: local bus connection (BUS) alarms (AL) Information LED USB key (USB) RS485 COM1 port (COM1) RS485 COM2 port (COM2) module power and backup to Micro SD (On) Micro SD memory Permitting
VMU-C EM main module Features General Linux 2-DIN < 600 g (packaging included) MTTF/MTBF: 12 years. Test conditions: gf (ground, fixed), 50 °C. Standard: MILDBK-217F Operating system Dimensions Weight 90 45 Mean time to failure 44 35,80 49 42,73 63,18 Power Supply 12–28 VDC ≤5W Power Supply Consumption Power supply sizing guidelines based on the connected optional modules are reported in the following table.
VMU-C EM main module Input/output isolation RS485 COM2 Ethernet USB MiniUSB Local Bus (VMUD) Local bus (VMUP/O) VMU-P inputs VMU-O VMU-O digital relay inputs output Type Power RS485 COM1 Power - 2 2 0.5 0 0 0 0 0 0 4 RS485 COM1 2 - 0.5 2 2 2 2 2 2 2 4 RS485 COM2 2 0.5 - 2 2 2 2 2 2 2 4 Ethernet 0.5 2 2 - 0.5 0.5 0.5 0.5 0.5 0.5 4 USB 0 2 2 0.5 - 0 0 0 0 0 4 MiniUSB 0 2 2 0.5 0 - 0 0 0 0 4 Local bus (VMUD) 0 2 2 0.
VMU-C EM main module Ports Ethernet Standard Protocols Client connection Connection type ISO9847 HTTP, FTP, Modbus TCP/IP, DP (Data Push), SMTP, |NTP Maximum 20 simultaneous client connections (one administrator at a time) RJ45 connector (10 Base-T, 100 Base-TX); maximum distance: 100 m Auxiliary bus Communication function Master Compatibility Right side: VMU-P EM or VMU-O EM accessory modules Left side: VMU-D accessory module USB Type High speed USB, 2.
VMU-C EM main module Mini-USB Type Mode Speed High speed USB 2.0 - mini Hot swap 60 MB/s Function • "D" Devices • Accessing the web interface without Ethernet connection* • Configuring the system, updating firmware, and downloading measured data and events. Condition of use Can be used in parallel with USB port. Cannot be used if the VMU-D accessory module is already connected. Note*: this requires a specific driver be installed on the PC.
VMU-C EM main module Data recording Recording on internal memory RAM 128MB Flash 4 GB available for variables, configurations, variables, alarms and events. FIFO storage window depending on the managed datapoints (1) Meter variables and accessory module analogue inputs (see “Data management” Pag.
VMU-C EM main module Data management Management and transmission modes Meter variables are collected by the main VMUC EM module via RS485 COM2 port and recorded in the internal memory for being then transmitted and viewed remotely. I/O variables and conditions are transmitted to the main VMU-C EM module via local bus or RS485 COM1 port based on system architecture.
VMU-C EM main module Meter variables transmission modes Transmission HTTP (web browser) FTP Modbus TCP/IP HTTP (API) Data Push kWh x x x x x kWh per tariff* x - - - - kvarh x x x x x kvarh per tariff* x - - - - V, V L-N sys, V L1-N, V L2-N, V L3-N V L-L sys, V L1-L2, V L2-L3, V L3-L1 x x x x x x x x x x AL1, AL2, AL3 x x x x x kW, kW sys, kW L1, kW L2, kW L3 kvar sys, kvar L1, kvar L2, kvar L3 kVA sys, kVA L1, kVA L2, kVA L3 x x x x x Reactive power App
VMU-C EM main module Transmission method for I/Os variables and conditions Transmission HTTP (web browser) FTP Modbus TCP/IP HTTP (API) Data Push Temperature 1 (VMU-M EM / VMU-P EM) x x x x x Temperature 2 (VMU-M EM / VMU-P EM) x x x x x Analog input (VMU-P EM) x x x x x Pulse speed input (VMU-P EM) x x x x x Output On/Off status alerting (VMU-O EM) x x - x x System status (i.e.: power supply) x x - x x Alarms (“Managed alarms” Pag.
VMU-C EM main module Managed alarms Alarm features Involved variables and See "List of variables and conditions with associated alarms" conditions Management method See "List of variables and conditions with associated alarms" Virtual: triggers alarm recording and alerting (web interface/email/text message) Alarm type Real: triggers alarm recording and alerting (web interface/email/text message) and controls the VMU-O EM accessory module digital output status.
VMU-C EM main module Communication protocols Introduction The VMU-C EM module communicates via web interface for set-up, monitoring and system configuration and it transmits data to remote systems (gateway/bridge functions). Different TCP/IP based communication protocols can be used. All protocols are supported by wired and wireless connection and managed on both local network (LAN) and remote one (WAN).
VMU-C EM main module Modbus TCP communication TCP/IP port number 502 (selectable) TCP/IP port description Purpuse Modbus (TCP) Modbus TCP data communication: both master and slave Notes on FTP protocol At the set deadlines, data is grouped in CSV format files and uploaded to the set FTP server. In the event of upload error, the operation is repeated. Notes on Modbus TCP slave function You can set which variables from which meters are to be transmitted.
VMU-C EM main module Web interface Introduction The web interface is accessible with a normal PC browser connected to the VMU-C EM via Ethernet port, miniUSB port or wireless connection with the VMU-D accessory module. Interface structure Area Description 1 Menu bar 2 Alarms and events summary; COM ports communication status 3 System summary information 4 Data charts, configuration settings 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
VMU-C EM main module Main functions Symbol Home Monitor Plant Purpose Example Displaying main meter's consumption profile (present trend compared with the past working day/ week/month) Displaying energy meters data (current, voltage, power, power factor, analog variables) in charts (daily, monthly, yearly).
VMU-C EM main module Symbol Information Export Setting Purpose Example Informing of VMU-C EM status. Displaying plant characteristics. Displaying database occupation.
VMU-C EM main module Symbol Example Purpose Viewing the web server instruction manual Help Connection Diagrams VMU-M EM B+ A- VMU-M EM B B+ A A- GND G VMU-C EM B B+ A A- GND G EM PC GND Fig. 1 RS485 COM1 to VMU-M EM modules A1 EM VMU-C EM B+ B B+ B B+ A- A A- A A- GND G GND G PC GND Fig. 2 RS485 COM2 to energy meters A2 + Fig. 3 Power supply Note Fig.
VMU-C EM main module References Further reading Information Document Where to find it VMU-C EM instruction manual VMU-C EM Instruction manual http://www.gavazzi-automation.com/ FTP Push communication protocol HTTP (API) communication protocol FTP_Service for VMU-C-EM_ R1.0.4-communication protocol FTP_Service for VMU-C-EM_ R1.0.
VMU-M EM accessory module Main features • Local data and event recording • Local alarm management • Accessory modules management: up to one VMU-P EM with analog inputs and up to three VMU-O EM with digital inputs/outputs.
VMU-M EM accessory module Structure A B F C D E B G Element Component Function A RS485 port terminals Communicating with the VMU-C EM main module B Input terminals Connecting digital or temperature inputs C LCD display Displaying local bus module input variables and some configuration parameters D Information LED Indicating serial communication, power and alarm status E Key Scrolling real time variables and setting some parameters Note: the full configuration is only possible via VMU
VMU-M EM accessory module Features General Display capacity Dimensions Weight 90 45 Mean time to failure 6 digits 1-DIN About 100 g (packaging included) MTTF/MTBF: 24.2 years. Test conditions: gf (ground, fixed), 50 °C. Standard: MILHDBK-217F. 44 18 49 63 Power Supply 12–28 VDC ≤1W Power Supply Consumption Power supply sizing guidelines, on the basis of connected accessory modules. VMU-O EM (quantity) VMU-P EM *(quantity) Consumption **(W) 0 0 2.5 ≤1 ≤1 5 2 or 3 ≤1 10.
VMU-M EM accessory module Input/output isolation Module Any VMU-M VMU-P VMU-O Any VMU-M Type of input/ output Local bus DC power supply Temperature or digital Inputs: Ch1, Ch2 Local bus - 0 DC power supply 0 Temperature or digital Inputs: Ch1, Ch2 VMU-P VMU-O RS485 Temperature: Ch1, Ch2 Analogue input Pulse rate input Digitals Relay inputs: outputs: Ch1, Ch1, Ch2 Ch2 0 0 0 0 0 0 4 - 0 0 0 0 0 0 4 0 0 - 0 0 0 0 0 4 RS485 0 0 0 - 0 0 0 0 4 Temperatu
VMU-M EM accessory module Temperature Inputs Max number of inputs 1 Probe Pt100 or Pt1000 thermistor Connection type 2 or 3 wires Connection compensation Up to 10 Ω Range From -50 to +200 °C / from -58 to +392 °F Accuracy (Display and From -50 to + 200 °C: ±(0.5% RDG + 5 DGT) / from -58 to +392 °F: ±(0.
VMU-M EM accessory module Connection Diagrams VMU-M EM VMU-M EM B+ B B+ B B+ A- A A- A A- GND G 1 VMU-C EM GND G PC + GND - Fig. 4 RS485 Modbus to VMU-C EM main module 1 11 2 Fig. 5 Power supply Pt1 13 Fig. 6 Digital input 1 11 Pt2 13 21 23 Fig. 7 Temperature inputs 1 and 2 (2 wires) Pt1 Pt2 11 12 13 21 22 23 Fig. 8 Temperature inputs 1 and 2 (3 wires) Note Fig.
VMU-M EM accessory module References Further reading Where to find it Information Document Modbus (RTU) communication protocol VMU-M EM - Communication Contact Carlo Gavazzi's SupProtocol port Order code VMUM EM 4 A S1 T2 X CARLO GAVAZZI compatible components Purpose Integrate temperature input 18/12/2015 VMUCEM DS ENG Component name/code IKE20001K TEMPSOL1000 Notes Water-proof temperature probe Pt1000 Temperature sensor Pt1000 Carlo Gavazzi Controls S.p.A.
VMU-O EM accessory module Main features • Two digital inputs and two digital outputs. • Self-powered via local bus. • 1-DIN size Main functions • ON/OFF status detection by means of 2 digital inputs. • Relay output control by either manual command or event triggering. Description VMU-O EM is a VMU-C EM system accessory module that manages two digital inputs and two relay outputs. It can be connected to the main VMU-C EM module or to the VMU-M EM accessory module via local bus.
VMU-O EM accessory module Structure A A D B C Element C Component Function A Output terminals Connecting to remote control switches B Information LED Indicating local bus communication status, power supply status, digital input/ output status C Input terminals Connecting to digital inputs. D Local bus port (right side and left Both sides: connecting to the local bus. side). 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
VMU-O EM accessory module Features General Dimensions Weight 90 45 Mean time to failure 1-DIN About 100 g (packaging included) MTTF/MTBF: 65.4 years Test conditions: gf (ground, fixed), 50 °C Standard: MIL-HDBK-217F 44 49 18 25 63 Power Supply Power Consumption Self-powered via local bus ≤ 0.7 W Inputs Max number of inputs Type On/Off status detection change Contact reading voltage Contact reading current Contact resistance 18/12/2015 VMUCEM DS ENG 2 Digital ≥ 500 ms 3.
VMU-O EM accessory module Outputs Max number of outputs 2 Type SPST relay AC1: 5A @ 250 VAC AC15: 1A @ 250 VAC Activation mode • • • • Initial status Selectable: normally closed or normally open Triggered by an accessory module's alarm condition Triggered by main VMU-C EM module's alarm condition Manual control from the web interface According to a schedule set in the web interface Auxiliary bus Communication function Slave Compatibility Right side: VMU-P EM or VMU-O EM accessory modules Left
VMU-O EM accessory module References Further reading Information Where to find it Document Order code VMUO X I2 R2 EM CARLO GAVAZZI compatible components Purpose 18/12/2015 VMUCEM DS ENG Component name/code Notes Carlo Gavazzi Controls S.p.A.
VMU-P EM accessory module Main features • Four inputs: two temperature, one analog and one pulse rate • Self-powered via local bus • 1-DIN size Main functions • Analogue variables measurement Description VMU-P EM is a VMU-C EM system accessory module that manages variables that can affect energy efficiency (i.e.: temperature, irradiance). It can connect to the main VMU-C EM module or to the VMU-M EM accessory module via local bus. It has four analogue inputs.
VMU-P EM accessory module Structure A A C B A Element A Component Function A Input terminals Connecting inputs (temperature, 0-20mA or 0-120mV analogue, pulse rate) B Information LED Indicating local bus communication status and power supply status. C Local bus port (right side and left Both sides: connecting to the local bus. side). 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
VMU-P EM accessory module Features General Dimensions Weight 90 45 Mean time to failure 1-DIN About 100 g (packaging included) MTTF/MTBF: 31.7 years Test conditions: gf (ground, fixed), 50 °C Standard: MIL-HDBK-217F 44 49 18 25 63 Power Supply Power Consumption 18/12/2015 VMUCEM DS ENG Self-powered via local bus ≤ 1.8 W including the pulse rate sensor Carlo Gavazzi Controls S.p.A.
VMU-P EM accessory module Temperature Inputs Max number of inputs 1 Probe Pt100 or Pt1000 thermistor Connection type 2 or 3 wires Connection compensation Up to 10 Ω Range From -50 to +200 °C / from -58 to +392 °F Accuracy (Display and From -50 to + 200 °C: ±(0.5% RDG + 5 DGT) / from -58 to +392 °F: ±(0.
VMU-P EM accessory module Pulse rate input Max number of inputs Range Accuracy (Display and RS485) @ 25 ±5 °C, relative humidity ≤ 60% Temperature drift Scaling factor Input impedance Overload 1 0–1000 Hz, work cycle 50% 0–25% f.s.: ±(0.2% RDG + 1 DGT) 25-110% f.s.: ±(0.01% RDG + 1DGT) ± 150 ppm/°C Measurement input: selectable 0–999.
VMU-P EM accessory module 13 21 23 21 22 23 Fig. 12 Temperature inputs 1 and 2 (3 wires) GND 11 12 13 + Pt2 NPN out Fig. 11 Temperature inputs 1 and 2 (2 wires) Pt1 3 4 24 G Fig. 13 NPN impulse input (product code: 2TIW) GND 11 Pt2 + Pt1 NPN out Connection Diagrams 3 4 A1 G mA + - out 1 A2 G 1 Fig. 17 Analog current input, 2 wires with incoming current (product code: 2TCW) + Fig. 18 Analog current input, 2 wires with outgoing current (product code: 2TCW) Fig.
VMU-P EM accessory module References Further reading Information Document Where to find it Order code W X S EM (12 total caracters) VMUP 2T Enter the code entering the corresponding option instead of Code Option V - M - U - P - 2 - T - Description C 20mA analogic measuring input I 120mV analogic measuring input W - X - S - E - M - CARLO GAVAZZI compatible components Purpose Integrate temperature input Solar irradiance sensing 18/12/2015 VMUCEM DS ENG Component name/
VMU-D accessory module Main features • Compatible with VMU-C and VMU-Y family of products • Mobile Internet connection • Compatible with USB dongle modems • Watchdog features to prevent common mobile network hassles Main functions • Remote access by Internet when a wired connection is not available • Plug’n play configuration • Reliable operation • SMS alerting • SMS commands Description VMU-D is a VMU-C EM accessory module, that provides compatible Carlo Gavazzi devices with a reliable and cost effecti
VMU-D accessory module Structure Element Component Function A Power supply Power supply connection block (IN, bottom/OUT, top) (Min./Max. screws tightening torque: 0.4 Nm / 0.
VMU-D accessory module Features General Dimensions Weight 90 45 Mean time to failure 2-DIN < 600 g (packaging included) MTTF/MTBF: 26 years Test conditions: gf (ground, fixed), 50 °C Standard: MIL-HDBK-217F 44 49 36 63 Power Supply Power Supply 18/12/2015 VMUCEM DS ENG 12–28 VDC Carlo Gavazzi Controls S.p.A.
VMU-D accessory module Ports Auxiliary bus Local bus connection Master Proprietary VMU-C connector USB USB 2.0 Standard-A receptacle Mechanically compatible with standard USB dongle modem in the market Type Terms of use Connection Diagrams A1 A2 + Fig. 21 Power supply 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
VMU-D accessory module References Further reading Information Document Where to find it Order code VMUDAVDCX CARLO GAVAZZI compatible components Purpose Component name/code Embedded Web Server Embedded data aggregator Embedded Web Server Embedded data aggregator VMU-C EM VMU-Y EM VMU-C PV VMU-Y PV HUAWEI MS2131 DLINK DWM 157 3G Modem Notes Third party COPYRIGHT ©2015 Content subject to change download the PDF: www.productselection.net 18/12/2015 VMUCEM DS ENG Carlo Gavazzi Controls S.p.A.
