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.
DHC-96 LVdc with a voltage measuring range of ± 10 V DHC-96 mVdc with 5 programmable voltage scales: 60 mV, 75 mV, 100 mV, 150 mV and 200 mV. DHC-96 Vdc with 3 programmable voltage scales: ± 10V, ± 24V y ± 48V.
Page 8
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc List of models: DHC-96 mVdc Table 3:DHC-96 mVdc list of models� Power Supply Model 80 ��� 270 V ~ 80 ��� 270 V 18 �� 36 V M22348 M223480030000 ...
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 3.- DEVICE INSTALLATION 3�1�- PRIOR 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, use the necessary personal protective equipment, and pay attention to the various warnings indicated in this instruction manual.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 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.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 4.- OPERATION 4�1�- DISPLAY The device features a 5-digit LED display, which is used to display the measured parameters and to configure these parameters Display 00000 Keyboard Figure 5: Display DHC-96� 4�2�- KEYBOARD FUNCTIONS...
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 4�3�- RELAY OUTPUTS The device features two programmable relay outputs (terminals 28, 29, 31 and 32, as shown in Figure 6 that can be programmed as remote control signals or alarms in the setup menu ( “5.4.- RELAY OUTPUT...
Page 15
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc Table 9 (Continuation): Display menu� Display menu Status of digital inputs: , status of the digital input 1: flashes when the input is activated , status of the digital input 2: flashes when the input is activated...
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5.- CONFIGURATION Press and hold the key for more than 3 seconds to enter the configuration menu of the device. The configuration of the device is organized in different menus, Figure 7 220.0...
Page 17
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 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.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5�1�- CONFIGURATION OF THE INPUT , shows the main screen of the input configuration menu, from which the display value and Figure 10 measurement range are configured. inPt Figure 10: Input configuration menu, main screen�...
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc When you reach the last digit and press the key, you select the position of the decimal point. Use the to modify the decimal point. Minimum configuration value: 1.000. Maximum configuration value: 9999.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 60.00 in 2 Use the keys at the same time to configure the value. Use the ,key to browse the different options: DHC-96 mVdc model: 60.00 , for the voltage scale of 60.00 mV.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5�2�- RS-485 COMMUNICATIONS , shows the main screen of the communications menu, where the parameters of the RS-485 Figure 12 communications are configured. Conn Figure 12: RS-485 communications menu, main screen� Press the key to open the configuration menu.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5�2�2�- BAUD RATE In this screen, the baud rate of RS-485 communications is selected. bAUd 9600 Use the ,key to browse the different options: 2400 ,2400 bps. 4800 , 4800 bps. 9600 , 9600 bps.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 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.
Note: In the DHC-96 HVdc model the variable A has a value of 1500, in the DHC-96 LVdc model has a value of 1000. In the DHC-96 mVdc and DHC-96 Vdc models, the value of variable A varies depending on the pro- grammed Measurement Range, see Table 10.
Note: In the DHC-96 HVdc model the variable A has a value of 1500, in the DHC-96 LVdc model has a value of 1000. In the DHC-96 mVdc and DHC-96 Vdc models, the value of variable A varies depending on the pro- grammed Measurement Range, see Table 10.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5�4�- RELAY OUTPUT 1 , shows the main screen of the configuration menu of relay output 1. Figure 16 do-1 Figure 16: Configuration menu of relay output 1, main screen� Press the key to open the setup menu.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc , 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 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc U--L , Active alarm when the voltage is less than the alarm value. di1H , Active alarm when digital input 1 is connected. di2H, Active alarm when digital input 2 is connected.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc For model DHC-96 mVdc: 00.00 For the voltage scales: 60.00 75.00 000.0 For the voltage scales: 100.0 150.0 200.0 Maximum configuration value: For model DHC-96 HVdc: 9999 For model DHC-96 LVdc: 99.99 For model DHC-96 Vdc: 99.99...
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc Use the keys to browse the configuration screens of the menu. 5�4�7�- SAVE CONFIGURATION To save the configuration of the device, press the key until the main screen of the relay output...
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5�6�- CONFIGURATION OF THE DISPLAY , shows the main screen of the configuration menu of the display. Figure 19 Figure 19: Configuration menu of the display, main screen� Press the key to open the configuration menu.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 5�6�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.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc , 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�7�- SOFTWARE VERSION The software version of the device is shown in the display mode.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 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 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 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.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 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 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 6�3�3�- DIGITAL INPUTS All the addresses of Modbus memory are in Hexadecimal. For these variables is implemented the Function 0x02� Table 15: Modbus memory map (Table 4) Parameter Format Address Digital input...
A: In the DHC-96 HVdc model the variable A has a value of 1500, in the DHC-96 LVdc model has a value of 1000. In the DHC-96 mVdc and DHC-96 Vdc models, the value of variable A varies depending on the programmed Measurement Range, see Table 10.
Page 39
000.0 ... 999.9 0000 ��� 9999 For the model DHC-96 HVdc. 00�00 ��� 99�99 For the models DHC-96 LVdc and DHC-96 Vdc. For the DHC-96 mVdc model, on the voltage scales: 60.00 and 75.00. 000�0 ��� 999�9 For the model DHC-96 mVdc, on the voltage scales:100.0, 150.0 y 200.0.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 7.- TECHNICAL FEATURES AC Power supply Rated voltage 80 ... 270 V ~ Frequency 50 / 60 Hz Consumption 3.1 ... 5.4 VA Installation category CAT III 300 V DC Power supply Rated voltage 80 ...
Page 41
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc Measurement accuracy Voltage measurement 0.5% Relays outputs Quantity Contact capacity (resistive) CA: 5A / 250 V~ , CC: 5A / 30 V Max� voltage open contacts 277 V~ Maximum current 5 A ~...
Page 42
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc Mechanical features Power supply and Measurement ≤ 1 mm ≤ 0.5 Nm Terminals : 1, 2, 11, 14 Analog output, Relay outputs, RS-485, Digital inputs ≤ 2.5 mm 0.5 ... 0.6 Nm...
9.- GUARANTEE CIRCUTOR garantiza sus productos contra todo defecto de fabricación por un período de dos años a partir de la entrega de los equipos. CIRCUTOR reparará o reemplazará, todo producto defectuoso de fabricación devuelto durante el pe- ríodo de garantía.
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc ANNEX A.- CONFIGURATION MENU 1500 >3s 0000 rEAd ProG CodE Display value inPt 1500. Minimum decimal point 00.00 in i.P Units of the Display Unt. i value Measurement range in 2 1500...
Page 48
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 10.00 >3s 0000 rEAd ProG CodE inPt Display value 10.00 Units of the Display Unt. i value Measurement range in 2 10.00 Modbus address Conn Addr 0001 Baud rate 19.20 4800 9600...
Page 49
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 60.00 >3s 0000 rEAd ProG CodE inPt Display value 60.00 Units of the Display Unt. i value 200.0 Measurement in 2 75.00 150.0 60.00 100.0 range Modbus address Conn Addr 0001 Baud rate 19.20...
Page 50
DHC-96 mVdc, DHC-96 LVdc, DHC-96 HVdc, DHC-96 Vdc 10.00 >3s 0000 rEAd ProG CodE inPt Display value 60.00 Units of the Display Unt. i value Measurement in 2 10.00 24.00 48.00 range Modbus address Conn Addr 0001 Baud rate 19.20...
Need help?
Do you have a question about the DHC-96 mVdc and is the answer not in the manual?
Questions and answers