Circutor DHB-302 Instruction Manual
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Circutor DHB-302 Instruction Manual

Single-phase vac analyzer
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Single-phase Vac analyzer
DHB-302 DHB-324
INSTRUCTION MANUAL
(M044B01-03-17A)

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Summary of Contents for Circutor DHB-302

  • Page 1 Single-phase Vac analyzer DHB-302 DHB-324 INSTRUCTION MANUAL (M044B01-03-17A)
  • Page 2 DHB-302 DHB-324 Instruction Manual...

  • Page 3: Safety Precautions

    CIRCUTOR, SA reserves the right to modify features or the product manual without prior notifi cation. DISCLAIMeR CIRCUTOR, SA reserves the right to make modifi cations to the device or the unit specifi ca- tions set out in this instruction manual without prior notice.

  • Page 4: Table Of Contents

    3�1�- pReLIMINARy ReCOMMeNDATIONS ���������������������������������������������������������������������������������������������������� 7 3�2�- INSTALLATION ����������������������������������������������������������������������������������������������������������������������������������������� 8 3�3�- UNIT TeRMINALS ������������������������������������������������������������������������������������������������������������������������������������� 9 3�3�1�- LIST Of TeRMINALS, DHB-302 MODeL� �������������������������������������������������������������������������������������� 9 3�3�2�- LIST Of TeRMINALS, DHB-324 MODeLS� ���������������������������������������������������������������������������������� 10 3�4�- CONNeCTION DIAgRAM ����������������������������������������������������������������������������������������������������������������������� 11 3�4�1�- DIReCT CONNeCTION ����������������������������������������������������������������������������������������������������������������� 11 3�4�2�- INDIReCT CONNeCTION�...

  • Page 5: Revision Log

    DHB-302 DHB-324 ReVISION LOg Table 1: Revision log� Date Revision Description 09/14 M044B01-03-14A Initial version 08/15 M044B01-03-15A Global revision Changes in the following sections: 02/16 M044B01-03-16A 3.3.1. - 3.3.2. - 4.1. - 4.5. Changes in the following sections: 06/17 M044B01-03-17A Note: The images of the units are solely for the purpose of illustration and may differ from the original unit.

  • Page 6: 1�- Verification Upon Reception

    , as well as the current time. There are 2 versions of the unit depending on the number of alarms and features of the unit.  DHB-302, with 2 alarm relays.  DHB-324, with 4 alarm relays, 2 analogue outputs and communications RS-485.

  • Page 7: 3�- Unit Installation

    DHB-302 DHB-324 3�- UNIT INSTALLATION 3.1.- PRELIMINARY RECOMMENDATIONS In order to use the unit 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, use the personal protective equipment necessary, and pay attention to the vari- ous warnings indicated in this instruction manual.

  • Page 8: 3�2�- Installation

    DHB-302 DHB-324 3.2.- INSTALLATION The unit is installed on a panel. The thickness should not exceed 6 mm. Drill panel at 92 +0.6 +0.6 Terminals, opening roofs or removing elements can expose parts that are haz- ardous to the touch while the unit is powered. Do not use the unit until it is fully installed.

  • Page 9: 3�3�- Unit Terminals

    DHB-302 DHB-324 3.3.- UNIT TERMINALS 3�3�1�- List of terminals, DHB-302 model� Table 2:List of terminals on the DHB-302� Unit terminals 2: 1A, 5A , Current measurement input 9: AL1, Alarm 1 relay output (NO) 3: 1A, 5A , Current measurement output...

  • Page 10: 3�3�2�- List Of Terminals, Dhb-324 Models

    22: gND, for RS-485 36: AL4, Alarm 4 relay output (NO) 29 30 31 32 33 34 35 36 DHB-302 / DHB-324 figure 3:Terminal of the DHB-324� Note: The input, output, power supply and RS-485 communications lines are galvanically separated from each other.

  • Page 11: 3�4�- Connection Diagram

    29 30 31 32 33 34 35 36 DHB-302 / DHB-324 Power Supply LOAD L2 or N figure 4: Direct connection, DHB-302 and DHB-324 models� 3�4�2�- Indirect connection� 29 30 31 32 33 34 35 36 DHB-302 / DHB-324 Power Supply...

  • Page 12: 4�- Operation

    DHB-302 DHB-324 4�- OpeRATION 4.1.- MEASURING PARAMETERS The unit measures or calculates all the parameters in Table 4 Table 4:Measurement parameters� parameter Display range Measurement range Range: 100 V 0.0 ... 0.48 MV 0.5 ... 120 V~ RMS voltage (L-N) Range: 400 V 0.0 ...

  • Page 13: 4�2�- Display

    DHB-302 DHB-324 4.2.- DISPLAY The display is divided into 2 areas: Measurement data area Unit of measurement area figure 6: Areas of the DHB-3xx display Measurement data area, for viewing the value of the parameter measured or calculat- ed by the unit.

  • Page 14: 4�3�- Button Functions

    , with a fixed Table 3 ratio of 5000 impulses/kWh. See “5.- TECHNICAL FEATURES” 4.5.- ALARMS The DHB-302 unit has:  2 alarm relays, Alarm 1 and 2, terminals 9, 10, 11, and 12 of , with normally Table 2 open (NO) contact.
  • Page 15 Alarm output DHB-302 DHB-324 Each of the alarms can operate in the following work modes ( figure 8 Alarm activated  n-on: the alarm is activated when the average value exceeds the upper value prH and does not deactivate until it is below the lower value prL.

  • Page 16: 4�6�- Configuration

    DHB-302 DHB-324 4.6.- CONFIGURATION The unit has various setup menus where you can configure:  The parameter that the unit will display�  The display.  The alarms.  The outputs (DHB-324 model).  The service parameters. Display screen Input Parameters DHB-124 dIsp0 Display parameters...
  • Page 17 DHB-302 DHB-324 The DHB-3xx does not record programming changes until the configuration is complete. If the unit is reset before finishing the configuration or if no button is pressed for 30 seconds, the con- figuration will not be stored in the memory.

  • Page 18: 4�6�1� Parameters

    DHB-302 DHB-324 4�6�1� pARAMeTeRS This menu is used to configure the parameter to be shown on the display. Press the button to access the first configuration parameter. DHB-324  figure 12:parameters menu main screen� 4�6�1�1� pARAMeTeR TO DISpLAy This screen is used to select the parameter to be shown on the display.
  • Page 19 DHB-302 DHB-324 Reactive energy Maximum demand for Consumed active power Average voltage Average frequency (10 minutes) (10 seconds) Current time To move from one option to another, press the button repeatedly. When you see the option you want, validate by pressing the button.
  • Page 20 DHB-302 DHB-324 The unit goes back to the screen shown in figure 14 To move to the next parameter on the menu, press the button. When the button is pressed, the unit goes to the main screen of the parameters menu figure 12 Default value: Synchronisation with the voltage (V).
  • Page 21 DHB-302 DHB-324 4�6�1�4� CURReNT RANge This screen is used to configure the current range. The screen flashes between the symbol and the configured value. ( figure 16) figure 16: Current range screen� To edit the parameter, press the button. The options are: To move from one option to another, press the button repeatedly.
  • Page 22 DHB-302 DHB-324 To modify the value of the selected digit, press the button repeatedly. To jump to the next digit, press the button. Once at the desired value, validate by pressing the button. To move to the next parameter on the menu, press the button.
  • Page 23 DHB-302 DHB-324 4�6�1�7� SyNCHRONISATION Of THe MAXIMUM DeMAND fOR ACTIVe pOWeR This parameter is used to configure the type of synchronisation of the maximum demand for active power. The screen flashes between the symbol and the configured value. ( figure 19...

  • Page 24: 4�6�2 Display

    DHB-302 DHB-324 4�6�2 DISpLAy This menu is used to configure the display features. Press the button to access the first configuration parameter. figure 21:Display setup menu 4�6�2�1� MINIMUM pOSITION Of THe DeCIMAL pLACe IN THe DISpLAy VALUe� This screen can be used to assign a minimum position to the decimal point being displayed.
  • Page 25 DHB-302 DHB-324 Orange. Red. Green. To move from one option to another, press the button repeatedly. When you see the option you want, validate by pressing the button. The unit goes back to the screen shown in figure 23 To move to the next parameter on the menu, press the button.
  • Page 26 DHB-302 DHB-324 4�6�2�4� UppeR COLOUR This screen is used to configure the upper colour of the display. In other words, this is the dis- play colour when the measured value is above the upper colour limit (see section “ 4.6.2.6.
  • Page 27 DHB-302 DHB-324 You can now select the position of the decimal point, which will be flashing. To select the position of the decimal point, press the button. Validate by pressing the button. The unit goes to unit configuration. To select the unit, press the button repeatedly.
  • Page 28 DHB-302 DHB-324 4�6�2�7� UNDeRfLOW This screen is used to configure the value under which underflow signals will be shown on the display The screen flashes between the symbol and the configured value ( figure 28 figure 28:Underflow screens. To edit the parameter, press the button.
  • Page 29 DHB-302 DHB-324 To edit the parameter, press the button. To modify the value of the selected digit, press the button repeatedly. To jump to the next digit, press the button. Once at the desired value, validate by pressing the button.

  • Page 30: 4�6�3� Alarm 1

    DHB-302 DHB-324 4�6�3� ALARM 1 This menu is used to configure the parameters of alarm 1. Press the button to access the first configuration parameter. figure 31:Alarm relay 1 configuration screen. 4�6�3�1� pARAMeTeR This screen is used to select the parameter for which the alarm is to be applied The screen flashes between the symbol and the configured value.
  • Page 31 DHB-302 DHB-324 Reactive energy Maximum demand for Consumed active power Average voltage Average frequency (10 minutes) (10 seconds) To move from one option to another, press the button repeatedly. When you see the option you want, validate by pressing the button.
  • Page 32 DHB-302 DHB-324 Range: -19999 M ... 99999 M. Default value: 920.00 Note: prL> prH will cause the alarm to be disabled. 4�6�3�4� ALARM HIgH VALUe This screen is used to configure the high value of the alarm, prH. The screen flashes between the symbol and the configured value, ( figure 34 figure 34:Alarm high value screens�...
  • Page 33 DHB-302 DHB-324 The options are: n-on n-off Manual activation of the Manual deactivation of alarm relay. the alarm relay. To move from one option to another, press the button repeatedly. When you see the option you want, validate by pressing the button.
  • Page 34 DHB-302 DHB-324 4�6�3�7� LeDs These screens are used to activate the interlocking of the display LEDs that indicate whether an alarm has been activated or not. The screen flashes between the symbol and the configured value ( figure 37 figure 37:LED configuration screen.

  • Page 35: 4�6�4� Alarm 2

    See section “4.6.3. ALARM 1” 4�6�5� ALARM 3� This menu is used to configure the parameters of alarm 3. This alarm is not linked to a relay in the DHB-302 model. See section “4.6.3. ALARM 1” 4�6�6� ALARM 4� This menu is used to configure the parameters of alarm 4.
  • Page 36 DHB-302 DHB-324 Power factor Apparent power (cos φ) tg φ φ Active energy Frequency Generated Active energy Reactive energy Consumed Generated Reactive energy Maximum demand for Consumed active power. Average voltage Average frequency (10 minutes) (10 seconds) To move from one option to another, press the button repeatedly.
  • Page 37 DHB-302 DHB-324 To jump to the next digit, press the button Once at the desired value, validate by pressing the button. You can now select the position of the decimal point, which will be flashing. To select the position of the decimal point, press the button.
  • Page 38 DHB-302 DHB-324 4�6�7�4� ANALOgUe OUTpUT: Type (DHB-324 model) This screen is used to select the type of analogue output. The screen flashes between the symbol and the configured value ( figure 43 figure 43:Analogue output configuration screen: type. To edit the parameter, press the button.
  • Page 39 DHB-302 DHB-324 9600 bauds. 19200 bauds. To move from one option to another, press the button repeatedly. When you see the option you want, validate by pressing the button. The unit goes back to the screen shown in figure 44 To move to the next parameter on the menu, press the button.
  • Page 40 DHB-302 DHB-324 4�6�7�7� MODBUS COMMUNICATIONS: ADDReSS (DHB-324 model) Screen to configure the unit's address on the Modbus network. The screen flashes between the symbol and the configured value ( )� figure 46 figure 46: Modbus communications configuration screens: Modbus address.

  • Page 41: 4�6�8� Service

    DHB-302 DHB-324 4�6�8� SeRVICe This menu is used to configure the unit's service parameters. Press the button to access the first configuration parameter. figure 48:Services screen 4�6�8�1� DefAULT CONfIgURATION� Screen used to reset the unit to its default configuration. The screen flashes between the symbol and the configured value ( figure 30 figure 49:Default configuration screens.
  • Page 42 DHB-302 DHB-324 4�6�8�2� pASSWORD This screen is used to enter a password to access the unit's setup menus. The screen flashes between the symbol and the configured value ( figure 50 figure 50:password screens� To edit the parameter, press the button.
  • Page 43 DHB-302 DHB-324 4�6�8�4� DISpLAyINg THe UNIT Of MeASUReMeNT This screen is used to select the parameter to be shown on the display in order to display the corresponding unit of measurement. (The selected parameter must be the same as in section 4.6.1.1.
  • Page 44 DHB-302 DHB-324 Current time To move from one option to another, press the button repeatedly. When you see the option you want, validate by pressing the button. The unit goes back to the screen shown in figure 52 To move to the next parameter on the menu, press the button.
  • Page 45 DHB-302 DHB-324 4�6�8�6� ReACTIVe eNeRgy ReSeT Screen used to reset the reactive energy meter. The screen flashes between the symbol and the configured value. ( figure 54 figure 54:Reactive energy reset screens� To edit the parameter, press the button. The options are:...
  • Page 46 DHB-302 DHB-324 The unit goes back to the screen shown in figure 55 To move to the next parameter on the menu, press the button. Default value: do not perform the test. 4�6�8�8� AVeRAge VOLTAge ReSeT Screen used to reset the average voltage calculation.
  • Page 47 DHB-302 DHB-324 Do not perform the test Start the display test. To stop, press the button. When the test stops, the unit will go back to showing the option by default. To move from one option to another, press the button repeatedly.

  • Page 48: 4�7�- Communications (Dhb-324 Model)

    DHB-302 DHB-324 4.7.- COMMUNICATIONS (DHB-324 model) The DHB-324 units have an RS-485 serial communication output with the MODBUS RTU® communications protocol 4�7�1 CONNeCTIONS The RS-485 standard enables direct communications of 32 units with a single 1200 m long serial link (speed of 9600 bauds).

  • Page 49: 4�7�2�- Modbus Protocol

    DHB-302 DHB-324 4�7�2�- MODBUS pROTOCOL The DHB-324 uses the RTU mode (Remote Terminal Unit) with its Modbus protocol. The Modbus functions implemented in the unit are as follows: function 03 for reading n records. function 06 for writing one record.
  • Page 50 DHB-302 DHB-324 4.7.3.1- Configuration: Parameters menu The Modbus address is in decimal format. The read and write functions are enabled for all of these variables. Table 8: Modbus memory MAp (Table 1) pARAMeTeRS Address Symbol Description Parameter to display Value...
  • Page 51 DHB-302 DHB-324 pARAMeTeRS Address Symbol Description Synchronisation of the maximum demand for active power Value Description Scrolling window, 15 minutes PAvS 4006 Fixed window, 15 minutes Fixed window, 30 minutes Fixed window, 60 minutes Value in two consecutive 16-bit records.
  • Page 52 DHB-302 DHB-324 DISpLAy Address Symbol Description Upper colour Value Description CoLUp 4012 green orange Address 1 Address 2 Lower colour change limit. CoLLo -19999 M ... 99999 M 7200-7201 7600 Address 1 Address 2 Upper colour change limit. CoLx1 -19999 M ... 99999 M...
  • Page 53 DHB-302 DHB-324 ALARMS Address Symbol Description Type of alarm (Alarm 1) Value Description n-on n-off typ_1 4014 h-on h-off Connection and disconnection delay (Alarm 1) dLy_1 4015 0 ...900 s Alarm 1 LED Value Description Led_1 4016 Interlocking of the alarm LED disabled...
  • Page 54 DHB-302 DHB-324 ALARMS Address Symbol Description Alarm 2 LED Value Description Led_2 4020 Interlocking of the alarm LED disabled Interlocking of the alarm LED enabled Address 1 Address 2 Alarm 2 low value PRL_2 -19999 M ... 99999 M 7212-7213...
  • Page 55 DHB-302 DHB-324 ALARMS Address Symbol Description Parameter (Alarm 4) Value Description RMS voltage RMS current Active power Reactive power Apparent power Power factor (cos φ) tg φ P.a4 4025 φ Frequency Active energy generated Active energy Consumed Reactive energy generated...
  • Page 56 DHB-302 DHB-324 4.7.3.4- Configuration: Output menu parameters (DHB-324 model). The Modbus address is in decimal format. The read and write functions are enabled for all of these variables. Table 11:Modbus memory map (Table 4)� OUTpUTS (DHB-324) Address Symbol Description Analogue output parameter...
  • Page 57 DHB-302 DHB-324 OUTpUTS (DHB-324) Address Symbol Description Address 1 Address 2 Zero value of the analogue output aN_Lo -19999 M ... 99999 M 7224-7225 7612 Address 1 Address 2 Full-scale value of the analogue output aN_H1 -19999 M ... 99999 M...
  • Page 58 DHB-302 DHB-324 SeRVICeS Symbol Address Description Active energy reset Value Description C_Enp 4039 Reset not performed Active energy meter reset. Reactive energy reset Value Description C_Enq 4040 Reset not performed Reactive energy meter reset. Reset the maximum demand for active power...
  • Page 59 DHB-302 DHB-324 SpeCIAL ReCORDS Address Symbol Description Inductive reactive energy (2 lower bytes) 4055 0 ... 65536 Capacitive reactive energy (2 upper bytes) 4056 0 ... 15258 Capacitive reactive energy (2 lower bytes) 4057 0 ... 65536 The structure of the status record follows the diagram below,...
  • Page 60 DHB-302 DHB-324 4�7�3�7- Unit information parameters� The Modbus address is in decimal format. The read function is valid for these variables. Table 16:Modbus memory map (Table 7)� UNIT INfORMATION Address 1 Address 2 Name Description Unit Unit identifier. 7000-7001 7500...
  • Page 61 DHB-302 DHB-324 UNIT INfORMATION Address 1 Address 2 Name Description Unit 7078-7079 7539 Fl_min Minimum value of φ º 7080-7081 7540 Fl_max Maximum value of φ º 7082-7083 7541 FrEq_min Minimum frequency value 7084-7085 7542 FrEq_max Maximum value of frequency...

  • Page 62: 5�- Technical Features

    DHB-302 DHB-324 5�- TeCHNICAL feATUReS Model: DHB-302 Model: DHB-324 Code Auxiliary power supply Code Auxiliary power supply M22026 85 ... 253 V ~ / 85 ... 253 V M22025 85 ... 253 V ~ / 85 ... 253 V M220260020000 20 ...
  • Page 63 DHB-302 DHB-324 Relay outputs DHB-302 DHB-324 Quantity Maximum voltage, open contacts 250 V ~ Maximum current 0.5 A Maximum switching power 1500 W or 1250 VA electrical working life (250 V~ /5 A) 1×10 cycles Mechanical working life 1×10 cycles...
  • Page 64 DHB-302 DHB-324 figure 60: Dimensions of the DHB-3xx� Instruction Manual...

  • Page 65: 6�- Maintenance And Technical Service

    • CIRCUTOR accepts no liability due to the possible damage to the unit or other parts of the installation, nor will it cover any possible sanctions derived from a pos- sible failure, improper installation or “improper usage”...

  • Page 66: 8�- Ce Certificate

    DHB-302 DHB-324 8�- Ce CeRTIfICATe Instruction Manual...

  • Page 67: Appendix A: Display Messages

    DHB-302 DHB-324 AppeNDIX A: DISpLAy MeSSAgeS After the unit is switched on or while it is measuring, the following error screens may appear: Table 17:error messages error messages Overflow of the measured value being displayed. Underflow of the measured value being displayed.
  • Page 68 DHB-302 DHB-324 Appears when the time interval for calculating the average DHB-324  voltage does not respond. Appears when the time interval for calculating the average DHB-324  frequency does not respond. Instruction Manual...
  • Page 69 DHB-302 DHB-324 Instruction Manual...
  • Page 70 CIRCUTOR, SA Vial Sant Jordi, s/n 08232 -Viladecavalls (Barcelona) Tel.: (+34) 93 745 29 00 - Fax: (+34) 93 745 29 14 www.circutor.es central@circutor.com...

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