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4�8�- COMMUNICATIONS (DHB-424 model)

The

DHB-424

units have an RS-485 serial communication output with the

MODBUS RTU

® communi-

cations protocol

4�8�1�- CONNECTIONS

The RS-485 standard enables direct communications of 32 units with a single 1200 m long serial link

(speed of 9600 bauds).

DHB-x24

B A

GND

RS-232 / USB / Ethernet / Profibus ...

PC

RS-485

RS-485

RS-232

USB

Ethernet

Profibus

...

DHB-x24

1

8

9 10 1112131415 16

1

8

9 10 1112131415 16

29 30 31 32 33 34 35 36

29 30 31 32 33 34 35 36

Figure 57:RS-485 port connection

The RS-485 cable must be twisted pair with shielding (minimum of 3 wires).

For interface configuration, see the configuration section

“4.7.8. Outputs (DHB-424 model).”

42

DHB-402 DHB-424

Instruction Manual

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Содержание DHB-402

Страница 1: ...INSTRUCTION MANUAL M045B01 03 21A Indicator for process signals temperature and resistance DHB 402 DHB 424...

Страница 2: ...2 DHB 402 DHB 424 Instruction Manual...

Страница 3: ...llowing should be taken into consideration Incorrect handling or installation of the unit may result in injury to personnel as well as damage to the unit In particular handling with voltages applied m...

Страница 4: ...G PARAMETERS 11 4 2 DISPLAY 11 4 3 BUTTON FUNCTIONS 12 4 4 OPEN COLLECTOR OUTPUT OC DHB 424 model 13 4 5 REGRESSION OF NON LINEAR EQUATIONS 13 4 6 ALARMS 14 4 7 CONFIGURATION 15 4 7 1 INPUT PARAMETERS...

Страница 5: ...01 03 15A Global revision 02 16 M045B01 03 16A Changes in the following sections 3 3 1 3 3 2 4 6 5 03 21 M045B01 03 21A Changes in the following sections 4 7 1 1 Note The images of the units are solel...

Страница 6: ...panel unit that measures standard analogue signals sent by sensors temperature RTD and Thermocouple resistance and current time There are 2 versions of the unit depending on the number of alarms and...

Страница 7: ...from the use of products or accessories that did not come with the unit or that were made by other manufacturers If an anomaly or malfunction is detected in the unit do not use the unit to take any m...

Страница 8: ...minals 1 10V Voltage input 9 AL1 Alarm 1 relay output NO 2 GND Ground voltage and current input 10 AL1 Alarm 1 relay output Common 3 20mA Current input 11 AL2 Alarm 2 relay output NO 4 60mV Thermocoup...

Страница 9: ...NO 28 OC Open collector output NPN 10 AL1 Alarm 1 relay output Common 29 30 Not used 11 AL2 Alarm 2 relay output NO 31 AL3 Alarm 3 relay output Common 12 AL2 Alarm 2 relay output Common 32 AL3 Alarm...

Страница 10: ...2 and DHB 424 models 3 4 2 Connection for measuring temperature Thermocouple Resistance and RTD 2 wires Resistance and RTD 3 wires DHB 402 DHB 424 1 8 J K N E R S Type DHB 402 DHB 424 1 8 R 400 4000 R...

Страница 11: ...65 C Temperature Type PT100 RTD 200 850 C 205 855 C Temperature Type PT500 RTD 200 850 C 205 855 C Temperature Type PT1000 RTD 200 850 C 205 855 C Resistance Range 400 0 400 0 410 Range 4000 0 4000 0...

Страница 12: ...nd upper colour Example In a temperature measurement you can program the display to be green when the voltage is below 10 C orange when it is between 10 C and 50 C and red for voltages above 50 C See...

Страница 13: ...inearised function Figure 8 Regression of non linear equations Once the number of points with which the function will be linearised has been selected the number of functions is one fewer than the numb...

Страница 14: ...d when the average value exceeds the upper value PrH and does not deactivate until it is below the lower value PrL n off the alarm is deactivated when the average value exceeds the upper value PrH and...

Страница 15: ...Measured value Alarm deactivated Alarm activated 0 PrL PrH Measured value Alarm output Alarm activated Alarm deactivated 1 0 PrL PrH Measured value Alarm output Alarm deactivated Alarm activated Alarm...

Страница 16: ...larms 1 2 3 and 4 end Display screen Figure 10 Accessing the setup menus The DHB 4xx does not record programming changes until the configuration is complete If the unit is reset before finishing the c...

Страница 17: ...assword is correct the unit will display the parameters screen Figure 13 To permanently unlock the unit see 4 7 9 2 PASSWORD Note By default the unit comes without a password 4 7 1 INPUT PARAMETERS Th...

Страница 18: ...Type S thermocouple Voltage input 0 10 V Current input 0 20 mA Voltage input 0 60 mV Current time To move from one option to another press the button repeatedly When you see the option you want valida...

Страница 19: ...tton 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 back to the...

Страница 20: ...the screen shown in Figure 17 appears Press the button to go back to the main screen of the input parameters menu Figure 13 Figure 17 Exit menu screen 4 7 2 REGRESSION OF NON LINEAR EQUATIONS This me...

Страница 21: ...value X1 measured value corresponding to the first point in the equation The screen flashes between the symbol and the configured value Figure 20 Figure 20 Measured values configuration screens To ed...

Страница 22: ...nit will go back to the screen shown in Figure 21 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 regression of non linear...

Страница 23: ...t 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 24 To move to the next parameter on the menu...

Страница 24: ...splay In other words this is the display colour when the measured value is between the lower colour limit see section 4 7 3 5 LOWER COLOUR LIMIT and the upper colour limit see section 4 7 3 6 UPPER CO...

Страница 25: ...tions press the button The colour options are Green Orange Red 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...

Страница 26: ...IMIT This screen is used to configure the value of the upper colour limit The screen flashes between the symbol and the configured value Figure 29 Figure 29 Upper colour limit screens To edit the para...

Страница 27: ...sition of the decimal point press the button Validate by pressing the button The unit goes back to the screen shown in Figure 30 To move to the next parameter on the menu press the button When the but...

Страница 28: ...t value 99999 4 7 3 9 EXITING THE MENU At the end of the menu the screen shown in Figure 32 appears Press the button to go back to the main screen of the display menu Figure 23 Figure 32 End of menu s...

Страница 29: ...enu Figure 33 Default value Type of input that has been connected to the unit InP 4 7 4 2 ALARM TYPE This screen is used to select the alarm functionality see section 4 6 ALARMS The screen flashes bet...

Страница 30: ...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 Validate by pressing the...

Страница 31: ...DELAY This screen is used to configure the connection and disconnection delay for the alarm The screen flashes between the symbol and the configured value Figure 38 Figure 38 Connection disconnection...

Страница 32: ...39 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 alarms menu Figure 33 Default value Alarm LEDs not interlocked OFF 4 7...

Страница 33: ...n flashes between the symbol and the configured value Figure 42 S R DHB 424 Figure 42 Analogue output configuration screen meter To edit the parameter press the button S R DHB 424 Type of input that h...

Страница 34: ...hen the button is pressed the unit goes to the main screen of the outputs menu Figure 41 Default value Voltage 0 10 V 4 7 8 3 ANALOGUE OUTPUT ZERO VALUE DHB 424 model This screen is used to configure...

Страница 35: ...en the symbol and the configured value Figure 45 Figure 45 Analogue output configuration screen full scale value To edit the parameter press the button To modify the value of the selected digit press...

Страница 36: ...en you see the option you want validate by pressing the button The unit goes back to the screen shown in Figure 46 To move to the next parameter on the menu press the button When the button is pressed...

Страница 37: ...ESS DHB 424 model Screen to configure the unit s address on the Modbus network The screen flashes between the symbol and the configured value Figure 48 Figure 48 Modbus communications configuration sc...

Страница 38: ...reset the unit to its default configuration The screen flashes between the symbol and the configured value Figure 51 Figure 51 Default configuration screens To edit the parameter press the button The...

Страница 39: ...The unit will go back to the screen shown in Figure 52 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 services menu Figu...

Страница 40: ...re 54 Figure 54 Unit of measurement display configuration screen To edit the parameter press the button The parameters that can be displayed are Unit of measurement LED off Unit of measurement LED on...

Страница 41: ...back to showing the no option by default 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 scre...

Страница 42: ...al link speed of 9600 bauds DHB x24 B A GND RS 232 USB Ethernet Profibus PC RS 485 RS 485 RS 232 USB Ethernet Profibus DHB x24 1 8 9 10 1112131415 16 1 8 9 10 1112131415 16 29 30 31 32 33 34 35 36 29...

Страница 43: ...a 16 bit record 7000 7039 float 32 bits Value given in two consecutive 16 bit records The records include the same data as the 32 bit records in the 7500 area Records valid for read function only 720...

Страница 44: ...Value in two consecutive 16 bit records 2 Value in one 32 bit record 4 8 3 2 Configuration Regression of non linear equations parameters The Modbus address is in decimal format The read and write func...

Страница 45: ...9999 7270 7271 7635 Address 1 1 Address 2 2 x8 Measured value for point no 8 19999 99999 7272 7273 7636 Address 1 1 Address 2 2 y8 Expected value for point no 8 19999 99999 7274 7275 7637 Address 1 1...

Страница 46: ...1 Address 2 2 y17 Expected value for point no 17 19999 99999 7310 7311 7655 Address 1 1 Address 2 2 x18 Measured value for point no 18 19999 99999 7312 7313 7656 Address 1 1 Address 2 2 y18 Expected...

Страница 47: ...ue Description 0 red 1 green 2 orange 4011 CoLbe Middle colour Value Description 0 red 1 green 2 orange 4012 CoLUp Upper colour Value Description 0 red 1 green 2 orange Address 1 1 Address 2 2 CoLLo L...

Страница 48: ...Connection and disconnection delay Alarm 1 0 32400 s 4016 Led1 Alarm 1 LED Value Description 0 Interlocking of the alarm LED disabled 1 Interlocking of the alarm LED enabled Address 1 1 Address 2 2 P...

Страница 49: ...1 n off 2 on 3 off 4 h on 5 h off 4023 dLy3 Connection and disconnection delay Alarm 3 0 32400 s 4024 Led3 Alarm 3 LED Value Description 0 Interlocking of the alarm LED disabled 1 Interlocking of the...

Страница 50: ...bles Table 11 Modbus memory map Table 5 OUTPUTS DHB 424 Address Symbol Description 4029 p an Analogue output parameter Value Description 0 Input connected to the unit 1 Current time 4030 typa Type of...

Страница 51: ...dress is in decimal format The read and write functions are enabled for all of these variables Table 12 Modbus memory map Table 6 SERVICES Address Symbol Description 4035 set Default configuration Val...

Страница 52: ...ment error Bit8 Not used Bit7 Output board detected Bit6 Output board calibration error Bit5 Not used Bit4 Not used Bit3 Regression of non linear equations configuration error Bit2 Not used Bit1 Not u...

Страница 53: ...d value Value currently being shown on the display 7012 7013 7506 current time Current time 7014 7015 7507 Wire resistance Cable resistance 7016 7017 7508 ADC ADC 7018 7019 7509 Terminal temperature T...

Страница 54: ...nge Accuracy 1 Voltage input 0 10 V 10 10 V 0 1 Current input 0 20 mA 20 20 mA 0 1 Voltage input 60 mV 0 60 mV 0 1 Thermocouple type J 100 1200 C 0 1 Thermocouple type K 100 1370 C 0 1 Thermocouple ty...

Страница 55: ...vironmental features Operating temperature 25 C 55 C Storage temperature 30 C 70 C Relative humidity with no condensation 25 95 Maximum altitude 2 000 m Protection degree Back IP10 Front panel IP65 Me...

Страница 56: ...Figure 58 Dimensions of the DHB 4xx 56 DHB 402 DHB 424 Instruction Manual...

Страница 57: ...roper installation or improper usage of the unit Consequently this guarantee does not apply to failures occurring in the following cases Overvoltages and or electrical disturbances in the supply Water...

Страница 58: ...8 CE CERTIFICATE 58 DHB 402 DHB 424 Instruction Manual...

Страница 59: ...Service Parameter error Error in configuration data The default configuration will be loaded as soon as any button is pressed The default parameters have been loaded To continue with the job press an...

Страница 60: ...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 es...

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