Circutor CVM-D420 Instruction Manual

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Power analyzer

CVM-D420, CVM-D421, CVM-D440, CVM-D441

INSTRUCTION MANUAL

(M434B01-03-25A)

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Page 1 Power analyzer CVM-D420, CVM-D421, CVM-D440, CVM-D441 INSTRUCTION MANUAL (M434B01-03-25A)
Page 2 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Instruction Manual...
Page 3 CIRCUTOR S�A�U� reserves the right to make modifications to the device or the unit specifications set out in this instruction manual without prior notice. CIRCUTOR S�A�U� on its web site, supplies its customers with the latest versions of the device specifi- cations and the most updated manuals.
Page 4 3�3�2� - CVM-D440 and CVM-D441 �� 10 3�4�- CONNECTION DIAGRAMS ��11 3�4�1� - CVM-D420: 1 THREE-PHASE AND 3 SINGLE-PHASE CHANNELS (MC TRANSFORMERS) ��11 3�4�2� - CVM-D421: 1 THREE-PHASE AND 3 SINGLE-PHASE CHANNELS (SCV1 TRANSFORMERS) �� 12 3�4�3� - CVM-D440: 3 THREE-PHASE AND 3 SINGLE-PHASE CHANNELS (MC TRANSFORMERS) �� 13 3�4�4�...
Page 5 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�4�1� - INSTALLATION �� 71 9�4�2� - COMMUNICATION ��74 9�4�3�- DEMAND REGISTER ��76 9�4�4� - PROFILES ��77 9�4�5� - USE TAGS ��77 9�5� - SYSTEM ��78 9�5�1� - DEVICE INFORMATION ��78 9�5�2� - FIRMWARE UPDATES ��78 9�5�3�...
Page 6 CVM-D420, CVM-D421, CVM-D440, CVM-D441 REVISION LOG Table 1: Revision log� Date Revision Description 05/24 M434B01-03-24A First Version Changes in the following sections: 03/25 M434B01-03-25A 9.4.6. - 9.6. SYMBOLS Table 2: Symbols� Symbol Description Compliant with the relevant European directive. Device covered by European Directive 2012/19/EC. At the end of its useful life, do not discard of the device in a household refuse bin.
Page 7 (balanced or unbalanced) three-phase and single-phase systems. The device comes in 4 models, depending on the current measurement:  CVM-D420, a 2-channel device that measures current using MC transformers.  CVM-D421, a 2-channel device that measures current using SCV1 transformers.
Page 8 CVM-D420, CVM-D421, CVM-D440, CVM-D441 3. - INSTALLATION OF THE DEVICE 3�1� - PRELIMINARY RECOMMENDATIONS In order to use the device safely, it is critical that individuals who handle it follow the safety measures set out in the standards of the country where it is being used, employ the personal protective equipment necessary, and pay attention to the various warnings provided in this instruction manual.
Page 9 CVM-D420, CVM-D421, CVM-D440, CVM-D441 3�3�- DEVICE TERMINALS 3�3�1� - CVM-D420 and CVM-D421 Table 3:List of terminals on the CVM-D420, CVM-D421� Device terminals 1: N, Neutral voltage input 13: I2S1, Current input L2 channel 1 2: V3, Voltage input L3 14: I2S2, Current input L2 channel 1...
Page 10 CVM-D420, CVM-D421, CVM-D440, CVM-D441 3�3�2� - CVM-D440 and CVM-D441 Table 4:List of terminals on the CVM-D440, CVM-D441� Device terminals 1: N, Neutral voltage input 20: I1S1, Current input L1 channel 2 2: V3, Voltage input L3 21: I1S2, Current input L1 channel 2...
Page 11 I1S1 I1S2 I2S1 I2S1 I2S2 I3S1 I3S2 I3S1 I3S2 Gris/Grey - Rosa/Pink : I1S1 Verde/Green - Blanco/White: I2S1 Rojo/Red - Azul/Blue: I3S1 Marrón/Brown - Verde/Green: I3S2 Figure 3: 3 CVM-D420: 1 Three-phase and 3 single-phase channels (MC transformers)� Instruction Manual...
Page 12 CVM-D420, CVM-D421, CVM-D440, CVM-D441 1 Canales trifásicos y 1 monofásicos 3�4�2� - CVM-D421: 1 Three-phase and 3 single-phase channels (SCV1 transformers) L1 L2 L3 N I1S1 I1S1 I1S2 I1S2 I2S1 I2S1 I2S2 I2S2 I3S1 I3S1 I3S2 I3S2 SCV1 SCV1 Amarillo/ Yellow: I1S1...
Page 13 CVM-D420, CVM-D421, CVM-D440, CVM-D441 3�4�3� - CVM-D440: 3 Three-phase and 3 single-phase channels (MC transformers) L1 L2 L3 N I1S1 I1S1 I1S2 I1S1 I1S1 I2S2 I2S1 I2S1 I2S1 I2S1 I3S1 I3S2 I3S1 I3S1 I3S2 I3S2 I3S1 I3S2 Gris/Grey - Rosa/Pink : I1S1...
Page 14 CVM-D420, CVM-D421, CVM-D440, CVM-D441 3�4�4� - CVM-D441: 3 Three-phase and 3 single-phase channels (SCV1 transformers) L1 L2 L3 N I1S1 I1S1 I1S1 I1S2 I1S2 I1S1 I1S2 I1S2 I2S1 I2S1 I2S1 I2S2 I2S2 I2S1 I2S2 I2S2 I3S1 I3S1 I3S2 I3S2 I3S1...
Page 15 CVM-D420, CVM-D421, CVM-D440, CVM-D441 4. - OPERATION The CVM-D4xx is a four-quadrant (consumption and generation) power analyzer that operates as per measurement convention IEC 61557-12. Operation in the 4 quadrants (Q1, Q2, Q3, Q4) cos φ values in the receiver operating mode (Q1,Q4) cos φ...
Page 16 CVM-D420, CVM-D421, CVM-D440, CVM-D441  Maximum demand The maximum demand is the average instantaneous power over a specific time interval, usually 15 minutes. There are several ways to calculate this parameter: Fixed Window (by block) This is the calculation of maximum demand in a specific interval (usually every 15 minutes). Once the number is calculated, the value is saved and a new calculation for the next 15 minutes begins.
Page 17 CVM-D420, CVM-D421, CVM-D440, CVM-D441 4�1�- DISPLAY The device has a backlit LCD display divided into two areas ( Figure 10 Units and symbols area Data area Figure 10: Display areas of the CVM-D4xx�  The data area, which displays all the values measured by the device.
Page 18 CVM-D420, CVM-D421, CVM-D440, CVM-D441 4�2� - KEYBOARD The CVM-D4xx has 3 keys to browse through the different screens and set up the device. TECLADO KEYBOARD Figure 11: Keyboard on the CVM-D4xx�  Display screens ( Table 7 Table 7: Function of the keys on the measurement screens�...
Page 19 CVM-D420, CVM-D421, CVM-D440, CVM-D441 4�3� - LEDs The device has 2 LEDs: - CPU, flashing white color, indicates that the device is on� -ALARM, red color, indicates that the device has detected an internal error. Errors can be viewed by communications, see or through the website, see �...
Page 20 CVM-D420, CVM-D421, CVM-D440, CVM-D441 The CVM-D44x models have 4 digital transistor outputs, terminals 8, 9, 10, 11, 12 and 13 in Table 4� Salidas de transistor Transistor outputs Fuente externa Fuente externa External load External load Carga Carga Load Load Figure 14: Digital outputs CVM-D44x�...
Page 21 CVM-D420, CVM-D421, CVM-D440, CVM-D441 5.- DISPLAY The CVM-D4xx has 7 display menus, see Figure 15 and Figure 16 Menu of instantaneous values Menu of energy values Menu of maximum demand values Menu of maximum values Menu of minimum values Menu of uses Change channel Figure 15: Display menu�...
Page 22 CVM-D420, CVM-D421, CVM-D440, CVM-D441 5�1�- MENU OF INSTANTANEOUS VALUES This menu shows the instantaneous values of the device's main parameters. If there is a short press of the key the previous screen is displayed and when the key pressed, the next screen is displayed.
Page 23 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Current L1 (A) Current L2 (A) Current L3 (A) Active Power L1 (W) Active Power L2 (W) Active Power L3 (W) Three-phase active power (W) Reactive Power L1 (var) Reactive Power L2 (var) Reactive Power L3 (var)
Page 24 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Apparent Power L2 (VA) Apparent Power L3 (VA) Three-phase apparent power (VA) Power factor L1 Power factor L2 Power factor L3 Three-phase power factor three-phase cos Φ THD Current L1 (%THD) THD Current L2 (%THD) THD Current L3 (%THD)
Page 25 CVM-D420, CVM-D421, CVM-D440, CVM-D441 5�2� - MENU OF ENERGY VALUES This menu shows the energy values. If there is a short press of the key the previous screen is displayed and when the key pressed, the next screen is displayed.
Page 26 CVM-D420, CVM-D421, CVM-D440, CVM-D441 5�3� - MENU OF MAXIMUM DEMAND VALUES This menu shows the maximum demand values. If there is a short press of the key the previous screen is displayed and when the key pressed, the next screen is displayed.
Page 27 CVM-D420, CVM-D421, CVM-D440, CVM-D441 5�5� - MENU OF MINIMUM VALUES This menu shows the minimum values of the instantaneous value ( "5.1 - MENU OF INSTANTANEOUS VALUES.") If there is a short press of the key the previous screen is displayed and when the key pressed, the next screen is displayed.
Page 28 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Use number 7 (kWh) Use number 8 (kWh) Use number 9 (kWh) Use number 10 (kWh) Use number 11 (kWh) Use number 12 (kWh) Total, sum of energy consumption of all channels (kWh) 5�7� - INFORMATION MENU This menu shows device information.
Page 29 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Web version of the device IP address for Ethernet communications MAC address for Ethernet communications IP address for Wi-Fi communications MAC address for Wi-Fi communications Baud rate of RS-485 communications Configuration of RS-485 communications Date and time of the device...
Page 30 CVM-D420, CVM-D421, CVM-D440, CVM-D441 6.- CONFIGURATION To access the configuration menu on the CVM-D4xx, press the key for > 3s. > 3 s Peripheral number Baud rate > 3 s Parity No. Of stop bits Figure 17: Configuration menu� 6�1� - PERIPHERAL NUMBER The Peripheral number for RS-485 communications is programmed on this screen.
Page 31 CVM-D420, CVM-D421, CVM-D440, CVM-D441 6�2� - BAUD RATE This screen is used to select the baud rate of the RS-485 communications. Hold down the key to enter edit mode, the value to be edited flashes. Use key to change options.
Page 32 CVM-D420, CVM-D421, CVM-D440, CVM-D441 6�4� - NO� OF STOP BITS The number of stop bits in RS-485 communication is selected on this screen. Hold down the key to enter edit mode, the value to be edited flashes. Use key to change options.
Page 33 CVM-D420, CVM-D421, CVM-D440, CVM-D441 7.- RS-485 COMMUNICATIONS The CVM-D4xx has an RS-485 communications port, with the MODBUS RTU® protocol. 7�1�- CONNECTIONS The RS-485 cable must be wired using twisted pair cable with mesh shield (minimum 3 wires), with a maximum distance of 1200 meters between the CVM-D4xx and the master unit.
Page 34 CVM-D420, CVM-D421, CVM-D440, CVM-D441 7�2�- MODBUS PROTOCOL Within the Modbus protocol, the CVM-D4xx uses RTU (Remote Terminal Unit) mode. The Modbus functions implemented in the device are as follows: Function 0x03 and 0x04: Reading integer registers. Function 0x05: Write relay.
Page 35 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Response: Initial regis- Address Function Value 0838 FF00 CEEF 7�3�- MODBUS COMMANDS All MODBUS map addresses are in Hexadecimal format. 7�3�1�- MEASUREMENT VARIABLES The Function 0x04 is used for these variables. Table 13: Modbus Memory Map (Table 1)�...
Page 36 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 15: Modbus Memory Map (Table 3)� Minimum Values Address Parameter Address Type Units Type Units Date Voltage Phase-Neutral L1 38E-38F Float32 38C-38D Unit32 Voltage Phase-Neutral L2 392-393 Float32 390-391 Unit32 Voltage Phase-Neutral L3 396-367 Float32...
Page 37 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 16 (Continued): Modbus Memory Map (Table 4)� Parameter Channel 1 Channel 2 Channel 3 Channel 4 Type Units Maximum Demand Apparent Power 4E-4F AA-AB 106-107 162-163 Float32 Total Active Energy Imported 50... 53 AC... AF 108...
Page 38 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 17 (Continued): Modbus Memory Map (Table 5)� Maximum Values Address Parameter Address Type Units Type Units Date Channel 2 Current L1 226-227 Float32 224-225 Unit32 Current L2 22A-22B Float32 228-229 Unit32 Current L3 22E-22F Float32...
Page 39 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 17 (Continued): Modbus Memory Map (Table 5)� Maximum Values Address Parameter Address Type Units Type Units Date Capacitive Reactive Power III 2CA-2CB Float32 2C8-2C9 Unit32 Apparent Power L1 2CE-2CF Float32 2CC-2CD Unit32 Apparent Power L2...
Page 40 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 17 (Continued): Modbus Memory Map (Table 5)� Maximum Values Address Parameter Address Type Units Type Units Date THD Current L3 372-373 Float32 370-371 Unit32 Maximum Demand Current L1 376-377 Float32 374-375 Unit32 Maximum Demand Current L2...
Page 41 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 18 (Continued): Modbus Memory Map (Table 6)� Minimum Values Address Parameter Address Type Units Type Units Date Active Power L3 42A-42B Float32 428-429 Unit32 Active Power III 42E-42F Float32 42C-42D Unit32 Reactive Power L1 432-433...
Page 42 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 18 (Continued): Modbus Memory Map (Table 6)� Minimum Values Address Parameter Address Type Units Type Units Date THD Current L3 4D2-4D3 Float32 4D0-4D1 Unit32 Channel 4 Current L1 4D6-4D7 Float32 4D4-4D5 Unit32 Current L2 4DA-4DB...
Page 43 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 19 (Continued): Modbus Memory Map (Table 7)� Energies Parameter Channel 1 Channel 2 Channel 3 Channel 4 Type Units Capacitive reactive energy exported L2 D18... D1B D78... D7B DD8... DDB E38... E3B Uint64 varh Apparent energy imported L2 D1C...
Page 44 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 20 (Continued): Modbus Memory Map (Table 8)� Voltage harmonics Parameter Address Type Units 14th voltage harmonic L2 EAC-EAD Float32 15th voltage harmonic L2 EAE-EAF Float32 Fundamental Voltage Harmonics L3 EB0-EB1 Float32 2nd voltage harmonic L3...
Page 45 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 21 (Continued): Modbus Memory Map (Table 9)� Current harmonics Parameter Channel 1 Channel 2 Channel 3 Channel 4 Type Units 8th current harmonic L2 EFA-EFB F54-F55 FAE-FAF 1008-1009 Float32 9th current harmonic L2 EFC-EFD F56-F57...
Page 46 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 23: Modbus Memory Map (Table 11)� Uses Parameter Address Type Units Active energy consumed L1 Channel 1, in all uses 11F8... 11FB Uint64 Active energy consumed L2 Channel 1, in all uses 11FC... 11FF Uint64 Active energy consumed L3 Channel 1, in all uses 1200...
Page 47 CVM-D420, CVM-D421, CVM-D440, CVM-D441 - 46 parameters for the Average Measurement, Maximum Measurement, and Minimum Measurement profiles of Channels 2, 3 and 4. Table 24: Modbus Memory Map: Energy Closing Values (Table 1)� Energy Closing Values (Table 1) Parameters Channel 1...
Page 48 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 25 (Continued): Modbus Memory Map: Average Measurement Profile (Table 1)� Average Measurement Profile (Table 1) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Active Power L1 1B79-1B7A 1BA7-ABA8 1BD5-1BD6 1C03-1C04 Float32 Active Power L2...
Page 49 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 26 (Continued): Modbus Memory Map: Maximum Measurement Profile (Table 1)� Maximum Measurement Profile (Table 1) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Active Power L2 1C75-1C76 1CA3-1CA4 1CD1-1CD2 1CFF-1D00 Float32 Active Power L3...
Page 50 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 27 (Continued): Modbus Memory Map: Minimum Measurement Profile (Table 1)� Minimum Measurement Profile (Table 1) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Active Power L2 1D6F-1D70 1D9D-1D9E 1DCB-1DCC 1DF9-1DFA Float32 Active Power L3...
Page 51 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 29: Modbus Memory Map: Energy Closing Values (Table 2)� Energy Closing Values (Table 2) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Start and end date 1F40... 1F43 203A... 203D 2134... 2137 222E...
Page 52 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 30 (Continued): Modbus Memory Map: Average Measurement Profile (Table 2)� Average Measurement Profile (Table 2) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Active Power L2 234F-2350 237F-2380 23AF-23B0 23DF-23E0 Float32 Active Power L3...
Page 53 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 31 (Continued): Modbus Memory Map: Maximum Measurement Profile (Table 2)� Maximum Measurement Profile (Table 2) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Active Power L2 2449-244A 2479-247A 24A9-24AA 24D9-24DA Float32 Active Power L3...
Page 54 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 32 (Continued): Modbus Memory Map: Minimum Measurement Profile (Table 2)� Minimum Measurement Profile (Table 2) Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value/Units Active Power L2 2543-2544 2573-2574 25A3-25A4 25D3-25D4 Float32 Active Power L3...
Page 55 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 34 (Continued): Modbus Memory Map: Connection fault� Connection fault Parameter Address Type Value Current connection fault, Channel 2 - L1 Uint16 Current connection fault, Channel 2 - L2 Uint16 Current connection fault, Channel 2 - L3...
Page 56 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 37: Modbus Memory Map: Parameter deletion (Table 2)� Clear parameters Parameters Channel 1 Channel 2 Channel 3 Channel 4 Type Value Deleting Energy Three-Phase bool Deleting Maximum Demand bool 1: Deletion Deleting the maximum value of...
Page 57 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 41:Modbus configuration parameters: Current� Current Valid data Type Description Channel 1 Channel 2 Channel 3 Channel 4 Default value range Primary Current L1 2714-2715 271C-271D 2724-2725 272C-272D Float32 Primary Current L2 2716-2717 271E-271F 2726-2727 272E-272F...
Page 58 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 42 (Continued): Modbus configuration parameters: Digital Outputs� Digital Outputs Default Type Description Address Valid data range value Lower threshold 2B38-2B39 Float32 Based on variable Alarm activation delay 2B3A Uint16 0... 999 s Alarm deactivation delay...
Page 59 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 44: Codes of the Variables of the Digital Outputs (Table 2)� Code of the Variables of the Digital Outputs (Table 2) Parameter Channel 1 Channel 2 Channel 3 Channel 4 Current L1 Active Power L1...
Page 60 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 44 (Continued): Codes of the Variables of the Digital Outputs (Table 2)� Code of the Variables of the Digital Outputs (Table 2) Parameter Channel 1 Channel 2 Channel 3 Channel 4 Inductive Reactive Energy Generated L1...
Page 61 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 47:Modbus configuration parameters: Display� Display Default Type Description Address Valid data range value Display backlight 2B72 Uint16 1... 999 s Clock 283C-283D Uint32 Epoch Table 48:Modbus configuration parameters: Maximum Demand� Maximum Demand Default Type Description...
Page 62 CVM-D420, CVM-D421, CVM-D440, CVM-D441 The format of the variable is shown in Table 52� Table 52:Format of the variable:Position of the currents� Bit 31�� Bit 28 Bit 27 Bit 26 Bit 25 Bit 24 Bit 23-22 Bit 21-20 Bit 19-18...
Page 63 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Table 54:Modbus configuration parameters: Records� registers Default Type Description Address Valid data range value Recording period of the 2774-2775 Uint32 900 s 900 s records: Energy Closing Values Recording period of the 2776-2777 Uint32 600... 3600 s...
Page 64 CVM-D420, CVM-D421, CVM-D440, CVM-D441 8.- WI-FI AND ETHERNET COMMUNICATIONS CVM-D4xx devices have Ethernet and Wi-Fi communications. The communications can be set up through the device's configuration website ( “9.4.2.3 - ETHERNET” and “9.4.2.4 - Wi-Fi” The Modbus map in section , is also valid for Ethernet communications, "7.3 - MODBUS COMMANDS"...
Page 65 CVM-D420, CVM-D421, CVM-D440, CVM-D441 8�3� - Circutor MyConfig MOBILE APPLICATION The Circutor MyConfig mobile app, which can be used to set up the device, can be downloaded free of charge from Google Play and iOS. Figure 19:Circutor MyConfig mobile application�...
Page 66 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9.- WEBSITE The configuration and display webpage for the device is accessed via the IP address of the CVM-D4xx. To access the configuration website, open the screen shown in and enter the Username and Figure 20 Password.
Page 67 CVM-D420, CVM-D421, CVM-D440, CVM-D441 From this screen you can access the menu of the configuration website, Figure 22� Display of values measured by the device. Configuration and visualization of the CVM-D4xx Inputs/Outputs. Viewing CVM-D4xx Variable Records . Configuration of device parameters.
Page 68 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�1�2� - ACTIONS In this section, you can select the action to be executed by the device. Figure 24: Website, Measure (Actions)� The possible actions to be executed are: - Delete maximum and minimum values. - Delete demand log CH1, CH2, CH3 and CH4.
Page 69 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�1�4�- ALARMS This menu shows the status of the device's internal alarms. The CVM-D4xx indicates that the device has detected an alarm by turning on the ALARMA LED, see “4.3 - LEDs” Figure 26: Website, Measure(Alarms)�...
Page 70 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Figure 28: Website, I/O (Configuration)� Group: Select the group of parameters the Digital Output will affect: Manual, the Digital Output is enabled manually from the website. General, the Digital Output is programmed for a general variable of the CVM-D4xx.
Page 71 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�3� - HISTORIC The records generated by the device can be downloaded from the Historic section. Figure 29: Website, Historic� The records that can be downloaded are: - Average profiles. - Maximum profiles. - Minimum profiles.
Page 72 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�4�1�2� - CHANNEL The installation parameters of each of the device's current channels can be configured in this section. Figure 31: Website, Configuration (Channel)� When you click on the icon ✎ the configuration screen for each current channel is shown, Figure 32�...
Page 73 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�4�1�3� - AUTOWIRED The device checks the configuration set up in the section and compares it with “9.4.1.2 - CHANNEL” the actual physical connection. Showing the table in , indicating the status of the installation. Figure 33 Note: The configuration is only checked when the channels are configured in three-phase mode.
Page 74 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�4�2� - COMMUNICATION The communication parameters of CVM-D4xx are configured in this section. 9�4�2�1� - DNS/NTP Figure 34: Website, Communication (DNS/NTP)� Primary DNS: address of the primary DNS server. Secondary DNS: address of the secondary DNS server.
Page 75 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�4�2�3�- ETHERNET Configuring Ethernet communications. Figure 36: Website, Communication (Ethernet)� : If DHCP is enabled, the IP address is dynamically assigned by a central server and no DHCP further parameters need to be configured. If this option is disabled, the IP address is fixed and the following parameters need to be configured: IP Address: IP address.
Page 76 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Status: Indicates whether the interface is connected to the internet or not. IP Address: IP address of the device, non-configurable parameter. IP mask: IP mask, non-configurable parameter. IP Gateway: non-configurable parameter. MAC Address: MAC address of the device, non-configurable parameter.
Page 77 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Period: Maximum demand integration period. Type window: Select the window type for the Maximum Demand calculation: Sliding or Fixed� Press �� Save to store the configuration and send it to the device. 9�4�4� - PROFILES The parameters to record in the database are selected on this screen.
Page 78 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�5� - SYSTEM The System section shows the information on the device, and it can be updated and rebooted. 9�5�1� - DEVICE INFORMATION The information on the device can be viewed and modified in this section.
Page 79 CVM-D420, CVM-D421, CVM-D440, CVM-D441 9�5�4� - CONFIGURE DATE This menu is used to set the date on the device. Figure 46: Website, System (Configure date)� Press to send the current time to the device. Date and Time: date and time of the device.
Page 80 CVM-D420, CVM-D421, CVM-D440, CVM-D441 10.- TECHNICAL FEATURES AC power supply Mode Self-powered Voltage measurement circuit Phase-Neutral Phase-Phase Voltage measurement margin 120... 300 V~ 120... 520 V~ Frequency measurement margin 45... 65 Hz Input impedance 0.4 MΩ Minimum voltage measurement (Vstart)
Page 81 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Wi-Fi communications Band 2.4 GHz (Range: 2.4 ... 2.5 GHz) Standards IEEE 802.11 b/g, IEEE 802.11 n (up to 150 Mbps) IEEE 802�11 b: 20 dBm Maximum output power IEEE 802�11 n: 14 dBm User interface...
Page 82 CVM-D420, CVM-D421, CVM-D440, CVM-D441 (Continued) Standards Safety requirements for electrical equipment for measurement, control, and la- boratory use� Part 2-030: Specific requirements for devices with test and mea- IEC 61010-2-030 suring circuits� Electrical material for measurement, control and laboratory use� Electromagnetic IEC 61326-1 compatibility (EMC) requirements Part 1: General requirements�...
Page 83 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Instruction Manual...
Page 84 CVM-D420, CVM-D421, CVM-D440, CVM-D441 11.- MAINTENANCE AND TECHNICAL SERVICE In the case of any query in relation to device operation or malfunction, please contact the CIRCUTOR S�A�U� Technical Support Service. Technical Assistance Service Vial Sant Jordi, s/n, 08232 - Viladecavalls (Barcelona) Tel: 902 449 459 (Spain) / +34 937 452 919 (outside of Spain) email: sat@circutor.com...
Page 85 CVM-D420, CVM-D421, CVM-D440, CVM-D441 13.- EU DECLARATION OF CONFORMITY Instruction Manual...
Page 86 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Instruction Manual...
Page 87 CVM-D420, CVM-D421, CVM-D440, CVM-D441 Instruction Manual...
Page 88 CIRCUTOR S.A.U. Vial Sant Jordi, s/n 08232 - Viladecavalls (Barcelona) Tel: (+34) 93 745 29 00 - Fax: (+34) 93 745 29 14 www.circutor.com central@circutor.com...

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Cvm-d421 Cvm-d440 Cvm-d441