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.
DHC-96 CPM REVISION LOG Table 1: Revision log� Date Revision Description 09/20 M246B01-03-19A Initial version SYMBOLS Table 2: Symbols� Symbol Description In compliance with the relevant European directive. Device covered by European directive 2012/19/EC. At the end of its useful life, do not leave the unit in a household waste container.
If any problem is noticed upon reception, immediately contact the transport com- pany and/or CIRCUTOR’s after-sales service. 2.- PRODUCT DESCRIPTION The DHC-96 CPM is designed to measure and display the DC volt age, DC current, power, energy electric charge. Depending on the input current, Circutor has two models: ...
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DHC-96 CPM Table 3: DHC-96 CPM Models� Power Supply Analog output Model 80��� 270 V ~ 80��� 270 V 20��� 60 V M223A8 M223A80040000 DHC-96 CPM M223AA M223AA0040000 M223B8 ...
The DHC-96 CPM 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.
DHC-96 CPM 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.
DHC-96 CPM 3�3�- DEVICE TERMINALS Table 4: List of terminals of the DHC-96 CPM� Device terminals 1: L, Power supply 29: D01, Relay output 1 (NO) 2: N, Power supply 31: D02, Relay output 2 (common) 4: I +, Current measurement input...
DHC-96 CPM 3�4�2�- DHC-96 CPM-HS: CURRENT MEASUREMENT USING HALL EFFECT SENSOR Entradas Digitales Digital inputs Salida Analógica Analog output 70 59 28 29 31 32 RS-485 Salida de relés Relay output Carga Output Alimentación Auxiliar Load Power Supply +15V -15V Sensor efecto Hall / Hall e ect sensor Figure 5: Current measurement using Hall effect sensor�...
the status of the digital inputs, if an input is connected, its corresponding number flashes. the status of the relay outputs, if a relay is closed, its corresponding number flashes. 4�2�- KEYBOARD FUNCTIONS The DHC-96 CPM features 4 keys to display and configure the device, Table 5 Table 5: Keyboard functions�...
DHC-96 CPM 4�3�- RELAY OUTPUTS The device features two programmable relay outputs (terminals 28, 29, 31 and 32, as shown in Figure 7 that can be programmed as remote control signals or alarms in the setup menu ( “5.4.- RELAY OUTPUT 1”...
DHC-96 CPM 4�6�- DISPLAY The DHC-96 CPM features 7 display screens, Table 7. Use keys to browse through the different screens. The display screens can change automatically depending on the time programmed in section "5.6.2.- ". CYCLIC DISPLAY Table 7: Display menu�...
DHC-96 CPM The home screen, meaning the first screen displayed when powering up the device or when exiting the settings menu, can be programmed in section "� "5.6.5.- DISPLAY HOME SCREEN If the voltage value measured by the device is % higher than the nominal value, the device can make the digits on the display start flashing to provide a visual alarm.
Con guration of the display Software version Figure 8: DHC-96 CPM configuration menu� 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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DHC-96 CPM , key to access the configuration menu in the display mode, i.e., On the screen, press the the configuration parameters cannot be modified. On the screen, press the keys to access the configuration menu in the program- ming mode, i.e., the configuration parameters can be modified.
DHC-96 CPM 5�1�- CONFIGURATION OF THE INPUT shows the main screen of the input configuration menu, where the input measurement range Figure 11 and the display value are configured. inPt Figure 11: Input configuration menu, main screen� Press the key to open the configuration menu.
DHC-96 CPM Use the to modify the decimal point. Minimum configuration value: 1.000 V Maximum configuration value: 9999 V To validate the data, press the key. Use the keys to browse the configuration screens of the menu. 5�1�2�- VOLTAGE MEASUREMENT RANGE This screen displays the voltage measurement range of the input signal.
DHC-96 CPM 5�1�4�- CURRENT INPUT Note: In the DHC-96 CPM-HS model, the current input value is set at 4.000 mV and cannot be changed. The shunt for the input current is selected on this screen. Ct-2 75.00 Use the keys at the same time to configure the value.
DHC-96 CPM 5�2�- RS-485 COMMUNICATIONS , shows the main screen of the communications menu, where the parameters of the RS-485 Figure 13 communications are configured. ñ- ñ- Conn Figure 13: RS-485 communications menu, main screen� Press the key to open the configuration menu.
DHC-96 CPM 5�2�2�- BAUD RATE In this screen, the baud rate of RS-485 communications is selected. 9600 bAUd Use the key to browse the different options: 2400 , 2400 bps. 4800 , 4800 bps. 9600 , 9600 bps. 19.20 , 19200 bps.
DHC-96 CPM SAuE Use the key to browse the different options: , exit the configuration without saving the changed values. , save the changed configuration values. Press the key to validate the data and exit the configuration menu. 5�3�- ANALOG OUTPUT , shows the main screen of the analog output menu.
DHC-96 CPM 5�3�1�- TYPE OF OUTPUT In this screen the output type of the analog output is configured nodE 4-20 Use the keys at the same time to configure the value. Use the key to browse the different options: Current output model: 4-20 , Current output 4 ...
DHC-96 CPM 5�3�3�- READING FOR THE START OF THE ANALOG OUTPUT In this screen, the reading value from which the analog output is started is configured. 0000 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.
DHC-96 CPM 5�3�4�-READING FOR THE END OF THE ANALOG OUTPUT In this screen, the reading value from which the analog output ends is configured. 1000 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.
DHC-96 CPM 5�4�- RELAY OUTPUT 1 , shows the main screen of the configuration menu of relay output 1. Figure 17 do-1 Figure 17: Configuration menu of relay output 1, main screen� Press the key to open the setup menu.
DHC-96 CPM , relay output 1 is disabled. , remote control output. , alarm output. To validate the data, press the key. Use the keys to browse the configuration screens of the menu. 5�4�2�- RELAY PULSE DURATION The alarm relay can behave in 2 different ways: 1�- The relay is activated when the alarm is triggered and is deactivated when the alarm is de-...
DHC-96 CPM di1L , Active alarm when digital input 1 is disconnected. di2L, Active alarm when digital input 2 is disconnected. U--H , Active alarm when the voltage is higher than the alarm value. i--H , Active alarm when the current is higher than the alarm value.
DHC-96 CPM 5�4�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 17 Press the key again to show the validation screen. SAuE...
DHC-96 CPM 5�6�- CONFIGURATION OF THE DISPLAY , shows the main screen of the configuration menu of the display. Figure 20 Figure 20: Configuration menu of the display, main screen� Press the key to open the configuration menu. CodE 0001...
DHC-96 CPM 5�6�1�- LOGIN PASSWORD This screen is used to configure the value of the password used to access the configuration menu in the programming mode. CodE 0000 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.
DHC-96 CPM When the desired value is shown on the screen, press the key to skip the digit. Minimum configuration value: 0 s. Maximum configuration value: 9999 s. Note: If set to 0, the display backlight does not turn off.
DHC-96 CPM , negative Ah screen. To validate the data, press the key. Use the keys to browse the configuration screens of the menu. 5�6�6�- DELETING THE MAXIMUM & MINIMUM VALUES This screen determines whether the maximum and minimum values are deleted or not.
DHC-96 CPM 5�6�8�- DELETING THE ENERGY TOTALISERS On this screen, the user selects whether or not to clear the energy totalisers. Clr.E Use the key to browse the different options: , the totalisers are not cleared. , the totalisers are cleared.
DHC-96 CPM 6.- RS-485 COMMUNICATIONS The DHC-96 devices have one RS-485 communications port, with communications protocols: MODBUS RTU ®. 6�1�- CONNECTIONS The RS-485 cable must be wired with twisted pair cable with mesh shield, with a maximum distance between the DHC-96 and the master device of 1200 metres.
DHC-96 CPM 6�2�- MODBUS PROTOCOL In the Modbus protocol, the DHC-96 device uses the RTU (Remote Terminal Unit) mode. The Modbus functions implemented in the device are as follows: Function 0x01: Reading a relay. Function 0x02: Reading input status. Function 0x03 and 0x04: Reading integer registers.
DHC-96 CPM Response: Initial Address Function Relay action Register 0000 FF00 8C3A 6�3�- MODBUS COMMANDS 6�3�1�- MEASUREMENT VARIABLES AND DEVICE STATUS All the addresses of Modbus memory are in Hexadecimal. For these variables is implemented the Function 0x03 and 0x04.
DHC-96 CPM Table 13:Format of the parameter: Device status� Bits Bit 0 0: Device measuring Device status 1:Device in configuration mode Bit 1 Bit 2 Malfunction 0: Voltage 1: Current Bit 3 Light alarm 2: Power Bit 4 Relay output...
DHC-96 CPM Table 19:Format of the parameter: Digital inputs� Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Digital input 2 Digital input 1 1: Closed 1: Closed 0: Open 0: Open 6�3�4�- REMOTE CONTROL OUTPUT (Relay output) All the addresses of Modbus memory are in Hexadecimal.
1000... 9999 A Decimal point of the current display 0: xxxx - 1: xxx.x - 2: xx.xx - 3: x.xxx value Model DHC-96 CPM-HS: 0: 4 V Model DHC-96 CPM: 0: 50.00 mV - 1: 60.00 mV - 2: 75.00 mV Current input 3: 100.0 mV - 4: 150.0 mV - 5: 200.0 mV...
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DHC-96 CPM 6�3�6�3� Analog output Table 26:Modbus memory map: Analog output Analog output Parameter Format Address Valid data margin Current output model: 0: 4... 20 mA - 1: 0... 20 mA - 2: 4... 12... 20 mA Type of output Voltage output model: 7: 0...
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DHC-96 CPM 00�00 ��� 99�99 A For alarm parameters i--l, i--H. 00�00 ��� 99�99 kW For alarm parameters p--l, P--H. 0000 ��� 9999 For alarm parameters di1H, di2H, di1l, di2l. 6�3�6�5� Configuration of the display Table 28:Modbus memory map: Configuration of the display...
DHC-96 CPM 7.- TECHNICAL FEATURES AC Power supply (13) Rated voltage 100... 270 V ~ Frequency 50 / 60 Hz Consumption 6... 18 VA Installation category CAT III 300V DC Power supply (13) Rated voltage 100... 270 V 20... 60 V Consumption 1,3...
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DHC-96 CPM Analog output Quantity Maximum internal voltage 17 V Linearity 0,5% Current output model: 0-20 mA, 4-20 mA, 4-12-20 mA (programmable) Nominal output range (14) Voltage output model: 0-10 V, 2-10 V (programmable) Maximum load resistor 350 Ω (14)
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Power frequency magnetic field immunity test Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - IEC 61000-4-11 Voltage dips, short interruptions and voltage variations immunity tests 10(max) 68.5 81.2 Figure 23: Dimensions of the DHC-96 CPM� Instruction Manual...
DHC-96 CPM 8.- 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...
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