Circutor DHB-302 Instruction Manual Download Page 48

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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).

DHB-x24

B A

GND

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

RS-485

RS-232

USB

Ethernet

Profibus

...

DHB-x24

29 30 31 32 33 34 35 36

figure 59: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

“4.6.7.5. MODBUS COMMUNICATIONS:

TRANSMISSION SPEED”

DHB-302 DHB-324

Instruction Manual

Summary of Contents for DHB-302

Page 1: ...INSTRUCTION MANUAL M044B01 03 17A Single phase Vac analyzer DHB 302 DHB 324...

Page 2: ...2 DHB 302 DHB 324 Instruction Manual...

Page 3: ...rect 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 may result in electric shock which may cause deat...

Page 4: ...11 4 OPERATION 12 4 1 MEASURING PARAMETERS 12 4 2 DISPLAY 13 4 3 BUTTON FUNCTIONS 14 4 4 IMPULSE OUTPUT DHB 324 model 14 4 5 ALARMS 14 4 6 CONFIGURATION 16 4 6 1 Parameters 18 4 6 2 DISPLAY 24 4 6 3 a...

Page 5: ...4B01 03 15A Global revision 02 16 M044B01 03 16A Changes in the following sections 3 3 1 3 3 2 4 1 4 5 06 17 M044B01 03 17A Changes in the following sections 5 Note The images of the units are solely...

Page 6: ...x is a programmable panel unit that measures calculates and displays the main electrical parameters in single phase networks voltage current frequency power energy cos tg and as well as the current ti...

Page 7: ...cidents personal injury and damage to installations The manufacturer of the unit is not responsible for any damage resulting from failure by the user or installer to heed the warnings and or recommend...

Page 8: ...All the connections are located inside the electric panel The unit must be installed on the panel from the front Attach the unit with the 4 panel assembly accessories Figure 1 Cable cross section for...

Page 9: ...t output 10 AL1 Alarm 1 relay output Common 4 6 13 14 Not used 11 AL2 Alarm 2 relay output NO 5 100 V 400 V Voltage measurement input 12 AL2 Alarm 2 relay output Common 7 100 V 400 V Voltage measureme...

Page 10: ...output NO 28 OC Energy impulse output 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 Alar...

Page 11: ...AD 29 30 31 32 33 34 35 36 Figure 4 Direct connection DHB 302 and DHB 324 models 3 4 2 Indirect connection Power Supply DHB 302 DHB 324 S1 S2 P1 P2 a b A B L1 L2 or N A V LOAD 29 30 31 32 33 34 35 36...

Page 12: ...h Active energy consumed 0 9 999 999 9 kWh 0 9 999 999 9 kWh Reactive energy generated 0 9 999 999 9 kvarh 0 9 999 999 9 kvarh Reactive energy consumed 0 9 999 999 9 kvarh 0 9 999 999 9 kvarh Maximum...

Page 13: ...e 7 Figure 7 Alarm LEDs k M LEDs of the DHB 3xx 4 alarm LEDs indicating the active alarm 2 LEDs K and M indicating the magnitude of the K Kilo and M Mega measurements 1 LED to indicate that reactive p...

Page 14: ...t parameters 4 4 IMPULSE OUTPUT DHB 324 model The DHB 324 unit has one energy impulse output terminals 27 and 28 of Table 3 with a fixed ratio of 5000 impulses kWh See 5 TECHNICAL FEATURES 4 5 ALARMS...

Page 15: ...m deactivated 1 0 Measured Alarm output Alarm deactivated Alarm activated Alarm activated 1 0 PrL PrH Measured value Alarm output Alarm deactivated Alarm activated 1 0 PrL PrH Measured value Alarm out...

Page 16: ...service parameters Input 0ser0 S R DHB 124 0oUt0 S R DHB 124 Alr01 S R DHB 124 Alr04 S R DHB 124 dIsp0 S R DHB 124 Display screen Parameters Display parameters Parameters of the alarms 1 2 3 and 4 Ser...

Page 17: ...To modify the password 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...

Page 18: ...to select the parameter to be shown on the display The screen flashes between the symbol and the configured value Figure 13 Figure 13 Parameter to display screen To edit the parameter press the button...

Page 19: ...ameters menu Figure 12 Default value Active power P 4 6 1 2 SYNCHRONISATION This configuration screen is used to select the type of synchronisation The screen flashes between the symbol and the config...

Page 20: ...s between the symbol and the configured value Figure 15 Figure 15 Voltage range screen To edit the parameter press the button The options are 100 V 400 V To move from one option to another press the b...

Page 21: ...en shown in Figure 16 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 5 A 4 6 1 5...

Page 22: ...the primary and secondary current Example Primary current 2500 A Secondary current 5 A The current ratio 2500 A 5 A 500 The screen flashes between the symbol and the configured value Figure 18 Figure...

Page 23: ...es Fixed window 60 minutes 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 Fig...

Page 24: ...position of the decimal point 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 22 To move to the...

Page 25: ...between the lower colour limit see section 4 6 2 5 LOWER COLOUR LIMIT and the upper colour limit see section 4 6 2 6 UPPER COLOUR LIMIT The screen flashes between the symbol and the configured value...

Page 26: ...button repeatedly When you see the option you want validate by pressing the button The unit goes back to the screen shown in Figure 19 To move to the next parameter on the menu press the button Defaul...

Page 27: ...igured value Figure 27 Figure 27 Upper colour limit screens 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...

Page 28: ...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 The unit se...

Page 29: ...button The unit goes to unit configuration To select the unit press the button repeatedly The unit selected is displayed in red Once at the desired unit validate by pressing the button The unit goes...

Page 30: ...he parameter for which the alarm is to be applied The screen flashes between the symbol and the configured value Figure 32 Figure 32 Meter configuration screens To edit the parameter press the button...

Page 31: ...3 Figure 33 Alarm low value screen 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 d...

Page 32: ...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 The unit se...

Page 33: ...LAY 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 36 Figure 36 Connection disconnection de...

Page 34: ...er met the corresponding LED stays on You must press the button combination for 3 seconds to switch it off To move from one option to another press the button repeatedly When you see the option you wa...

Page 35: ...ion 4 6 3 alarm 1 4 6 7 Outputs DHB 324 model This menu is used to configure the unit s outputs Press the button to access the first configuration parameter Figure 39 Output configuration screen 4 6 7...

Page 36: ...n in Figure 40 To move to the next parameter on the menu press the button Default value RMS current I 4 6 7 2 ANALOGUE OUTPUT ZERO VALUE DHB 324 model This screen is used to configure the display valu...

Page 37: ...gue output 10 V or 20 mA depending on the type of output selected The screen flashes between the symbol and the configured value Figure 42 Figure 42 Analogue output configuration screen full scale val...

Page 38: ...repeatedly When you see the option you want validate by pressing the button The unit goes back to the screen shown in Figure 43 To move to the next parameter on the menu press the button Default value...

Page 39: ...een the symbol and the configured value Figure 45 Figure 45 Modbus communications configuration screens Transmission protocol To edit the parameter press the button The options available are 8 data bi...

Page 40: ...he 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 The unit will go back to the screen shown in Figure 4...

Page 41: ...uration screens To edit the parameter press the button The options are Restore the original factory parameters No changes made To move from one option to another press the button repeatedly When you s...

Page 42: ...menu press the button Range 0 60000 Default value 0 Note If the programmed value is 0 the menus will not be password protected 4 6 8 3 CURRENT TIME Screen to set the unit s clock to the current time T...

Page 43: ...nd the configured value Figure 52 Figure 52 Unit of measurement display configuration screen To edit the parameter press the button The parameters that can be displayed are RMS voltage RMS current Act...

Page 44: ...nergy meter The screen flashes between the symbol and the configured value Figure 53 Figure 53 Active energy reset screens To edit the parameter press the button The options are Reset the active energ...

Page 45: ...back to the screen shown in Figure 54 To move to the next parameter on the menu press the button Default value do not perform the test 4 6 8 7 RESET THE MAXIMUM DEMAND FOR ACTIVE POWER Screen used to...

Page 46: ...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 56 To move to the next paramete...

Page 47: ...tion you want validate by pressing the button The unit goes back to the screen shown in Figure 57 To move to the next parameter on the menu press the button Default value do not perform the test 4 6 8...

Page 48: ...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 29 30 31 32 33 34 35 36 29 30 31 32 33 34 35 36 Figure 59 RS...

Page 49: ...e Description 4000 4100 integer 16 bits Value given in a 16 bit record 7000 7199 float 32 bits Value given in two consecutive 16 bit records The records include the same data as the 32 bit records in...

Page 50: ...ted 10 Active energy Consumed 11 Reactive energy generated 12 Reactive energy consumed 13 Maximum demand for active power 14 Average voltage 10 minutes 15 Average frequency 10 minutes 16 Current time...

Page 51: ...The Modbus address is in decimal format The read and write functions are enabled for all of these variables Table 9 Modbus memory map Table 2 DISPLAY Address Symbol Description 4009 dP Minimum positi...

Page 52: ...ds 2 Value in one 32 bit record 4 7 3 3 Configuration Alarm parameters The Modbus address is in decimal format The read and write functions are enabled for all of these variables Table 10 Modbus memor...

Page 53: ...rH_1 Alarm 1 high value 19999 M 99999 M 7210 7211 7605 4017 P a2 Parameter Alarm 2 Value Description 0 RMS voltage 1 RMS current 2 Active power 3 Reactive power 4 Apparent power 5 Power factor cos 6 t...

Page 54: ...Active energy generated 10 Active energy Consumed 11 Reactive energy generated 12 Reactive energy consumed 13 Maximum demand for active power 14 Average voltage 10 minutes 15 Average frequency 10 min...

Page 55: ...Average frequency 10 minutes 4026 typ_4 Type of alarm Alarm 4 Value Description 0 n on 1 n off 2 on 3 off 4 h on 5 h off 4027 dLy_4 Connection and disconnection delay Alarm 4 0 900 s 4028 Led_4 Alarm...

Page 56: ...mum demand for active power 14 Average voltage 10 minutes 15 Average frequency 10 minutes 4030 typa Type of analogue output Value Description 0 Voltage output 0 10 V 1 Current output 0 20 mA 2 Current...

Page 57: ...Address Symbol Description 4035 set Default configuration Value Description 0 No changes made 1 Change to the default parameters 4036 sec Password Value Description 0 No password 1 60000 Password ran...

Page 58: ...Reset not performed 1 Reset performed 4 7 3 6 Other records The Modbus address is in decimal format The read function is valid for these variables Table 13 Modbus memory map Table 6 SPECIAL RECORDS Ad...

Page 59: ...culation time for the frequency measurement has not finished 8 1 The calculation time for the voltage measurement has not finished 7 1 The calculation time for the active power measurement has not fin...

Page 60: ...8 Absolute value of the active energy difference Active energy consumed Active energy generated 7038 7039 7519 Reactive energy sum Inductive reactive energy capacitive reactive energy 7042 7043 7521 P...

Page 61: ...Av_max Maximum value of average frequency Hz 7098 7099 7549 EP_PoS1 Active energy generated 3 100 MWh 7100 7101 7550 EP_PoS2 Active energy generated module 100000 0 kWh 7102 7103 7551 EP_nEG1 Active e...

Page 62: ...circuit Nominal current 1 A 5 A Current measurement margin 0 005 1 200 A 0 025 6 000 A Maximum current impulse 1s 10 ln Minimum measurement current Istart 0 005 A 0 025 A Installation category CAT II...

Page 63: ...buttons LED 7 LEDs Environmental 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 IP...

Page 64: ...Figure 60 Dimensions of the DHB 3xx 64 DHB 302 DHB 324 Instruction Manual...

Page 65: ...proper 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 Wate...

Page 66: ...8 CE CERTIFICATE 66 DHB 302 DHB 324 Instruction Manual...

Page 67: ...ck to the unit s measuring job The analogue outputs are not in service Contact Customer Service S R DHB 324 Erroneous configuration parameters Press the button to stop displaying the error message You...

Page 68: ...ears when the time interval for calculating the average voltage does not respond S R DHB 324 Appears when the time interval for calculating the average frequency does not respond 68 DHB 302 DHB 324 In...

Page 69: ...69 Instruction Manual DHB 302 DHB 324...

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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