CIRCUTOR, SA reserves the right to make modifications to the device or the unit specifications set out in this instruction manual without prior notice. CIRCUTOR, SA on its web site, supplies its customers with the latest versions of the device specifica- tions and the most updated manuals.
DCB-72 Aac REVISION LOG Table 1: Revision log� Date Revision Description 06/18 M206B01-03-18A Initial Version Changes in the following sections: 12/18 M206B01-03-18B 3.3. - 3.4. - 4.3. - 9.- Annex A Changes in the following sections: 04/19 M206B01-03-19A 2. - 5.1.3. - Annex A...
CIRCUTOR's after-sales service. 2.- PRODUCT DESCRIPTION The DCB-72 Aac is a device designed to measure and display the current and frequency AC sin- gle-phase. The device has 2 programmable current scales: 1 A and 5 A. The device features: - 4 keys that allow you to browse between the various screens and program the device.
The DCB-72 Aac device must be installed by authorised and qualified staff. The power supply plug must be disconnected and measuring systems switched off before handling, al- tering the connections or replacing the device.
DCB-72 Aac 3�2�- INSTALLATION Terminals, opening covers or removing elements can expose parts that are hazard- ous to the touch while the device is powered. Do not use the device until it is fully installed. The device should be installed inside an electric panel or enclosure, and panel-mounted.
28 31 32 Alimentación Auxiliar Power Supply Figure 4: Current measurement DCB-72 Aac� If the current being measured is higher than the nominal input current, 5A, a current transformer should be connected to the device. If more than one device is connected to the current transformer, it is necessary to connect them in series.
Display 1000.0 Keyboard Figure 5: Display DCB-72� 4�2�- KEYBOARD FUNCTIONS The DCB-72 Aac features 4 keys to display and configure the device, Figure 5 Table 6: Keyboard functions� Keystroke Previous screen In the configuration menu: Scroll through the digits...
) that can be programmed as remote control signals or alarms in the Table 5 setup menu ( “5.2.- RELAY OUTPUT 1” and “5.3.- RELAY OUTPUT 2” 4�4�- DISPLAY The DCB-72 Aac features 2 or 3 display screens, Table 7 Table 7: Display menu� Display menu 5.000 Current 50.0...
Con guration of the display Software version Figure 6: Configuration menu of the DCB-72 Aac� Only available for models with relay outputs. From any screen of the configuration menus, if no key is pressed for 4 minutes, the device leaves the configuration menu and returns to the display screen.
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DCB-72 Aac rEAd , key to access the configuration menu in the display mode, i.e., On the screen, press the the configuration parameters cannot be modified. rEAd On the screen, press the , keys to access the configuration menu in the program- ming mode, i.e., the configuration parameters can be modified.
DCB-72 Aac 5�1�- CONFIGURATION OF THE INPUT , shows the main screen of the input configuration menu, from which the primary current and Figure 9 secondary current are configured. inPt Figure 9: Input configuration menu, main screen� Press the key to open the configuration menu.
DCB-72 Aac 5�1�1�- PRIMARY CURRENT This screen is used to configure the value of the primary current. 000.0 Use the , key to modify the value of the flashing digit When the desired value is shown on the screen, press the key to skip the digit.
DCB-72 Aac 5�1�3�- SECONDARY CURRENT This screen is used to configure the value of the secondary current. 5.000 in 2 Use the keys at the same time to configure the value. Use the ,key to browse the different options. 5.000 , for the current scale of 0 ...
DCB-72 Aac 5�2�- RELAY OUTPUT 1 Note: Only available for models with relay outputs. , shows the main screen of the configuration menu of relay output 1. Figure 11 do-1 Figure 11: Configuration menu of relay output 1, main screen�...
DCB-72 Aac 5�2�1�- RELAY MODE This screen is used to configure the operating mode of relay 1. ñ- ñnodE Use the key to browse the different options: , relay output 1 is disabled. , remote control output. Note: This option is only available in devices with communication.
DCB-72 Aac 5�2�3�- ALARM PARAMETER This screen is used to configure the parameter that will be used to activate the alarm. ñ- i--H itEn Use the key to browse the different options: F--H , Active alarm when the frequency is higher than the alarm value.
DCB-72 Aac 5�2�5�- ALARM VALUE The value after which the alarm will be activated is configured on this screen. This value must be en- tered with reference to the value of the secondary current. Example: In an installation where it has been programmed: Primary current : 40.00 A...
DCB-72 Aac 5�2�7�- SAVE CONFIGURATION To save the configuration of the device, press the key until the main screen of the relay output 1 configuration menu is opened, Figure 11 Press the key again to show the validation screen. SAuE...
DCB-72 Aac 5�4�- CONFIGURATION OF THE DISPLAY , shows the main screen of the configuration menu of the display. Figure 14 Figure 14: Configuration menu of the display, main screen� Press the key to open the configuration menu. CodE 0001 LiGH 120.0...
DCB-72 Aac To validate the data, press the key. Use the keys to browse the configuration screens of the menu. 5�4�2�- BRIGHTNESS OF THE DISPLAY The brightness of the display is configured on this screen. LiGH Use the , key to browse the different options: the display has 5 brightness levels, from To validate the data, press the key.
DCB-72 Aac 5�4�4�- SAVE CONFIGURATION To save the configuration of the device, press the key until the main screen of the configura- tion menu of the display is opened, Figure 14 Press the key again to show the validation screen.
DCB-72 Aac 6.- TECHNICAL FEATURES AC Power supply 80 ... 270 V ~ Rated voltage Frequency 50 / 60 Hz Without relays 1.2 ... 3.5 VA Consumption With relays 1.8 ... 4 VA Installation category CAT III 300 V DC Power supply Rated voltage 80 ...
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- Voltage dips, short interruptions and voltage variations immunity IEC 61000-4-11 tests Safety requirements for electrical equipment for measurement, control and IEC 61010-1 laboratory use -- Part 1: General requirements 72.5 12.5 64.5 86.7 Figure 16: Dimensions of the DCB-72 Aac� Instruction Manual...
DCB-72 Aac 7.- MAINTENANCE AND TECHNICAL SERVICE In the case of any query in relation to device operation or malfunction, please contact the CIRCUTOR, SA Technical Support Service. Technical Assistance Service Vial Sant Jordi, s/n, 08232 - Viladecavalls (Barcelona) Tel: 902 449 459 ( España) / +34 937 452 919 (outside of Spain) email: sat@circutor.com...
Units of the primary Unt. i current Secondary current in 2 1.000 5.000 Units o the secondary Unt.2 current CodE Password o access 0001 LiGH Brightness of the display 120.0 Light alarm Software version 3012 Figure 17:Configuration menu DCB-72 Aac Instruction Manual...
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