supply network analyzer cvm-bdm series instruction manual
Contents
1. A1 230 VAC t A DE O O O O O O The CVM BDM power meter is a programmable measuring instrument Page N offering several operation possibilities selectable in its SETUP option This analyzer is also equipped with an internal memory to record main electrical parameters of the monitored power system Before power supplying the instrument read the CONNECTIONS and SETUP sections and choose the most suitable operation mode for getting your desired data The CVM BDM is an instrument which measures calculates displays and memorizes all the main electrical parameters at any electrical network balanced or not The measuring is true RMS value through three a c Voltage inputs and three a c Current inputs from Current Transformers 5A 4 CVM BDM supply network analyzer Page N 5 By means of an internal microprocessor it simultaneously measures Parameter H L2 3 m Neutral current Activepower ox x x lz ReactivepowerL xx x x ReactivepowerC x x x x Powerfactor Jx x x x Apparent power T T f x Frequency A SE Powerdemand Ise X Voltage THD EE Current THD Oox ee ee ee Individual harmonic eae eg Me current content Up to the 15 E voltage content Up to the 15 en ee a Flicker Available x Display and EE xx Communications CVM BDM Date Time dd mm yy hh mm ss TIME Active energy two indep meter2. kvar h L var h L 48 49 Capacitive reactive energy kvar hC var h C 4A 4B Neutral current In 68 69 168 169 268 269 THD V 1 x 10 6A 6B 16A 16B 26A 26B THD V 2 x 10 6C 6D 16C 16D 26C 26D THD V 3 x 10 6E 6F 16E 16F 26E 26F THD 1 X 10 70 71 170 171 270 271 THD 2 x 10 72 73 172 173 272 273 THD 3 x 10 74 75 174 175 274 275 Date Time 2A94 2A95 2A96 2A97 2A98 2A99 NOTE DATE TIME FORMAT Register 2A94 2A95 2A96 2A97 2A98 2A99 Day Month Year Hours Minutes Seconds CVM BDM supply network analyzer Page N 50 MODBUS REGISTERS HEXA DECIMAL longs PARAMETER Units PRESENT MAXIMUM MINIMUM Value Value Value Flicker WA L1 x10 76 77 176 177 276 277 Flicker WA L2 x10 78 79 178 179 278 279 Flicker WA L3 x10 7A 7B 17A 17B 27A 27B Flicker PST L1 x10 7C 7D 17C 17D 27C 27D Flicker PST L2 x10 7E 7F 17E 17F 27E 27F Flicker PST L3 x10 80 81 180 181 280 281 MODBUS REGISTERS PARAMETER Units HEXA DECIMAL longs Current Voltage L1 L2 L3 L1 L2 L3 Fundamental A 320 321 33E 33F 35C 35D V x10 37A 37B 398 399 3B6 3B7 Harmonic 2 X10 322 323 340 341 35E 35F 37C 37D 39A 39B 3B8 3B9 Harmonic 3 X10 324 325 342 343 360 361 37E 37F 39C 39D 3BA 3BB Harmonic 4 X10 326 327 344 345 362 363 380 381 39E 39F 3BC 3BD Har
3. IS CIRCUTOR SUPPLY NETWORK ANALYZER CVM BDM SERIES INSTRUCTION MANUAL M98153001 03 11A c CIRCUTOR S A CVM BDM supply network analyzer Page N 1 USER S MANUAL page lie ee ER E e LEE 3 Lede Delivery spot Cheeks tetten nenten 3 1 2 Connection procedures nnen nnee enennnnneeeeneneenennnnnnennnen 3 2 MAIN CHARACTERISTICS ee 4 Zels Other TEE 6 2 2 Types OLGVMEBDME ini za nut nil asic ate neha hse einen seh ois 7 3 INSTALLATION AND STARTUP nnn ennenenenneeeereee eenen 7 dele MVS CeO etende tent eani a ea ebben 8 3 2 CVM BDM Connection terminal see side labels 10 3 3 Connection drawing for the CVM BDM ee 11 As OPERATION MODE traite ierse EE EE 15 oe SETUP PROCEDURE u ar eneen dennen ended nde ene 17 5 1 Phase to Phase or Phase to Neutral voltages 18 5 2 Voltage transformation ratio cccccccccceceeeeeseneeeeeceeeeeeeeeeeeeeeeeeeeeeeeeees 19 5 2 1 Voltage Transformer Primary eneen eneen 19 5 2 2 Voltage Transformer Secondary nnee eenen 20 5 3 Current Transformer Primary renerenenenenenenenenenenenenenenenenenenenenenenn 20 5 4 Network specifications i decncesedoure2eenshs ondeacdd aeianblonbeseds nessa wanner nnee 21 5 4 1 Rated VONAGS reren reren rdnr teen 21 5 4 2 Rated e ee E 21 5 5 Integration period of voltage and frequency signals 22 9 Parameter Sed UP yx EE 23 os IS AO TEE 25 5 8 Maximum p
4. to program the default parameters It pass to the next option b If you select NO it allows programming the parameters that you want to see on the display Every new page it asks if you want to continue this setup SET PAGE NUMBER YES XX lt page No If you select SET PAGE YES you can program the desired parameters in this page XX A1 XX A2 XX A3 Parameter code setup Parameter symbol Setup max key Allows us modifying the value of the blinking digit Each time it is pressed the value is increased min key Allows us the validation of the blinking digit and going to the next one Each display has two digits to select the desired parameters among the ones in the attached code chart CVM BDM supply network analyzer Page N 24 pee E phase L1 phase L2 phase L3 08 Power factor PF1 06 Three ph inductive power TIME Active energy Demand power kW kVA Alll Active energy generated kW h Neutral current Parameter Symbol Code phase L1 Flicker WAV1 60 For passing to the next page press display In this case the CVM BDM ask again CVM BDM supply network analyzer Page N 25 SET PAGE NUMBER YES XX If you select SET PAGE YES you can setup a next page If you don t want to setup more pages select SET PAGE No and it pass to the next setup option 5
5. Example of STD file length For 20 parameters and 15 minute recording period 1000000 _ 1000000 6 4 Parameter No 6 4 20 Register No 11627 Length ns 2906 hours 121 days CVM BDM supply network analyzer Page N 57 13 3 2 Internal memory setting for data collection purposes The PC software permits the user to precisely set the power meter to optimize the use of its internal memory for data collection purposes Thus below listed user programmable fields can be defined to establish the recording process into the STD file Recording period Parameters to be saved into memory Trigger conditions Regardless the configuration of the recording process this will never affect the EVE file recording actions 13 3 2 1 Recording period Integration period for data recording into memory of all user selected parameters 1 240 minutes Values will be saved at the end of the recording period together with the time date of the period beginning moment 13 3 2 2 Parameters to be saved into memory The memory autonomy greatly depends on the number of parameters selected to be saved up to a maximum of 130 parameters By means of the Power Vision software every discrete parameter to be saved into memory can be particularly chosen File type Maximum size Register size Register No STD 1 Mbyte 6 4 Parameter No 1000000 6 4 Parameter No For
6. 1 Installation Before applying AC power to the check following points a Supply voltage Power supply Va c Single phase 50 60 Hz LI 230 V ac Frequency 50 60 Hz Supply tolerance 10 15 Connection terminals Terminals 1 28 Instrument burden 6 VA b Maximum voltage at the voltage measuring circuit L Standard 500 V a c phase neutral 866 V c a between phases LJ A special model CVM BDM for 110 V measurement is also available 100 V a c phase neutral 173 V a c between phases c Maximum admissible current Transformer of In 5 A a c d Operation conditions Operating temperature 0 to 50 C Humidity 25 to 80 R H not condensing e Safety Designed to meet protection class Il as per EN 61010 CVM BDM supply network analyzer Page N 9 Installation A The instrument is to be fit onto a DIN 46277 EN 50022 rail All connections keep inside the cabinet Note that with the instrument powered on the terminals could be dangerous to touching and cover opening actions or elements removal may allow accessing dangerous parts Therefore the instrument must not be used until this is completely installed The instrument must be connected to a power supply circuit protected with gl type IEC 269 or M type fuses rated between 0 5 and 2 A This circuit should be provided with a circuit breaker or any equivalent element to connect or disconnect the
7. 7 First Page SETUP You can see the first page of voltages and all the programmed pages 5 7 First Page SETUP This option allows selecting among fixed or rotary page a Fixed page the page is changed pressing the display key The page among the available ones that we want to see when the CVM BDM is supplied or a reset is made can be selected b Rotary pages the page changes to the next one automatically every 5 seconds SET AUTO PAGE Rotate page select option Setup The max key allows modifying the selected page The display shows the different possible pages SET XX AUTO XX PAGE XX lt setup parameters The display key allows the validation of the chosen option CVM BDM supply network analyzer Page N 26 5 8 Maximum power demand Push the key display and the following screens will appear by display 1 PARAMETER TO CONTROL SET Pd xx None 00 Three phase activepower kwim 24 Three phase apparent power kVA 26 Three phase average current Aavill 20 Value of power integrated during the programmed demand period 2 DEMAND PERIOD 1 to 60 min SET Per xx 3 CLEAR MAXIMUM VALUE IN MEMORY CLr Pd xx no or YES PROGRAMMING MODE max key allows choosing the different available options min key allows the validation of the blinking digit and go forward to the next digit only for the SET Per xx option To pass to th
8. Appendix B Second SETUP of the CVM BDM A second SETUP menu is accessible in order to perform the configuration of the CVM BDM with other features different from factory supplied ones To access this menu proceed as follows Being the CVM BDM powered off simultaneously press display max and min keys Holding these keys pressed power the CVM BDM on Following messages will be then shown on display a COMMUNICATION PROTOCOL MODBUS SET PROT Protocol pus 2 MODBUS c BUS protocol display key to validate the choice and pass to the next setup screen b Setting communication parameters SET Cdef default configuration le max key to switch from NO YES If YES is chosen the configuration is set at 001 9600 8 bits N 1 bit If NO is chosen then following options successively appear on display n PER Peripheral No 001 to 255 Baud 1 Baud rate 1200 2400 4800 9600 19200 Parity No even odd LEN length 8 bits Stop bits 1 or 2 CVM BDM supply network analyzer Page N 55 c SETUP locking or unlocking SET Up SP Loc locked SETUP or Unloc unlocked Use the key max to modify the choice If LOC is set when the SETUP is accessed configuration parameters can be then visualized but cannot be modified To modify the previously set option a 4 digit password is required to be entered in case that this password is not
9. Maximum Setting the maximum value to be controlled Minimum Setting the minimum value to be controlled Note Maximum and minimum values set are only enabled if any trigger parameter has been previously selected Values will be saved into memory when either the instantaneous value of any of the three phases L1 L2 or L3 or the three phase value of the selected parameter is higher than the maximum or lower than the minimum set value CVM BDM supply network analyzer Page N 59 e TIME TRIGGER Setting of dates and times for the starting and ending actions of the recording process Start Starting date for the recording process into the STD file End Ending date for the recording process into the STD file Note If only START END times are set two dates set to zero then the defined recording period will be daily repeated All required information about the Software operation can be found in the CD
10. measured by the CVM BDM MAXIMUM value MINIMUM value amp Delay for the conditions These screens are successively displayed by the CVM BDM once the parameter has been selected for the setup of each option proceed as in the Section a b 1 Programming the maximum value to be controlled OUT 1 RELAY 1 AL hl 0 000 SI Maximum value b 2 Programming the minimum value to be controlled OUT 1 RELAY 1 AL LO 0 000 2 Minimum value b 3 Delay setup OUT 1 RELAY 1 SEC Delay in seconds 0 000 2 maximum 9999 sec Press display to pass to the next option the setup for the second relay appears only with CVM BDM type CVM BDM C2 OUT 2 RELAY 2 CODE e Si Parameter No 1 Proceed as before Pressing again display we exit the setup option CVM BDM supply network analyzer Page N 34 W ALARM ACTIVATION The alarms depend on the programmed values of MAXIMUM and MINIMUM MIN MAX max gt min MIN MAX max lt min MAX ON alarm activated gt relay closed OFF alarm deactivated gt relay open CVM BDM supply network analyzer Page N 35 M The DELAY set value is applied either to the connection or the disconnection when the alarm conditions occur Mi The programming units for the different parameters are Voltage Without decimals V XX 0220 220 V With decimals kV xxx x 25 30 25 30 kV A Cur
11. screen we read the word SET U P followed by 6 digits They allow us setting the primary of the voltage transformer SET U Pate Last digit of the first display indicates U Voltage and first digit of the second display indicates P Primary It means that we can set the primary of the voltage transformer To avoid mistakes the Voltage red leds remain lit on a To write or modify the value just repeatedly press the max key and the blinking digit value will be increased b When the value on screen is the proper one we can pass to the next digit by pressing the min key in order to modify the other values c When the blinking digit is the last one pressing the min key we go back to the initial value set values can be again modified d Press display to pass to the next setup option Note Maximum values of transformation ratios which are allowable to be set depend on the full scale value of the measuring instrument see side labels FULL SCALE MAXIMUM ALLOWABLE VALUE VALUE 110 V 99 999 300 V 70 000 500 V 40 000 CVM BDM supply network analyzer Page N 20 5 2 2 Voltage Transformer Secondary We can now set the value of the secondary of the voltage transformer Only three digits are available SET U S The procedure is the same one done at the previous sections with the max min and display keys If the CVM BDM is directly connected to the mains with
12. the right calculation of the memory autonomy the user must take into account that every energy parameter count like two parameters since its information fills 8 bytes instead of 4 bytes CVM BDM supply network analyzer Page N 58 13 3 2 3 Trigger You can set certain conditions Trigger so that values are saved into memory only when these conditions are met Two types of trigger conditions are available 1 Level trigger Setting of a parameter to be used as a trigger condition as well as its maximum and minimum range limiting values 2 Time trigger Start End date Setting of dates and times for the starting and ending actions of the recording process Note Torecord values into memory the two user defined TRIGGER conditions must be simultaneously met if any condition is not met then no data will be saved into memory If the trigger conditions are disabled then values will be always saved into memory according the user defined recording period Ifthe trigger conditions are simultaneously met at any moment within the selected recording period then average values over all the period will be saved into memory e LEVEL TRIGGER Setting of a parameter to be used as a trigger condition as well as its maximum and minimum range limiting values Parameter Choice of the parameter to be used as the trigger condition for data recording actions Vp p Vp n A kW kvarL kvarC PF Hz kVA and None
13. AY 1 CODE n 2 Parameter No 1 S Depending on the selected variable we will pass to a or b sections M In case that no parameter is wanted to be programmed set par No 00 CVM BDM supply network analyzer Page N 32 a If an ENERGY parameter is chosen 32 33 or 34 OUT 1 RELAY 1 PULS a Si kW pulse 1 1 Value of energy in kW four digits with floating decimal point For configuration max key it allows modifying the value of the blinking value Every time it is pressed the number is increased min key it allows validating the blinking value and go to the next digit NOTE When you arrive at the last digit you can move the position of the decimal point with the max key Example for setting a 500 W 1 pulse Firstly we enter the value 0500 and following we place the decimal point at the right position with the max key gt 0 500 kW For passing to the next option press display setup options for the second relay will appear only with the CVM BDM type CVM BDM C2 OUT 2 RELAY 2 CODE 00 Si Parameter value 2 Act as before Pressing again display key you exit setup mode CVM BDM supply network analyzer Page N 33 b ALARM conditions 1 condition for each relay If any other parameter 1 to 30 35 or 54 to 59 is selected in 1 two outputs can be configured as alarms For each output it is possible to program Any ofthe parameters
14. D DESCRIPTION Recording period between 1 second to 4 hours Parameters to save into mremory Choice of the parameters to be saved into memory When the choice of parameters to be saved into memory by the CVM BDM is modified in the SETUP options the internal memory is completely deleted CVM BDM supply network analyzer Page N 41 7 CONTRAST For a correct visualization of the display you can set the display s contrast by pressing the buttons DISPLAY Max to increase and DISPLAY Min to decrease CVM BDM supply network analyzer Page N 42 8 SPECIFICATIONS Power supply see specifications on the own CVM BDM rear CVM BDM Single phase 230 V a c Voltage tolerance 10 15 Frequency 50 60 Hz Power consumption 6 VA Operation temperature 0 to 50 C Internal memory 1Mbyte Memory Measuring Circuits Rated voltage 500 V a c Phase Neutral 866 V a c between phases Other voltages Through Voltage Transformers Rated current In 5A In 1A by model isolated input like ITF models Permanent overload 1 2 In Current input power 0 6 VA Accuracy Voltage oct bnaraderadraran beraad hoes 0 5 of readout 2 digits SOSS dree ENEE 0 5 of readout 2 digits Powers Ta aaa ae 1 of readout 2 digits Test conditions Errors due to C T s not included and direct voltage Temperatur
15. Memorizes Maximum and Minimum values 2 leds for the indication of CPU and communications performance Harmonic distortion measurement THD V amp THD A Individual harmonic current content Up to the 15 Flicker measurement PST amp WA Neutral current calculation CVM BDM supply network analyzer Page N 7 2 2 Types of CVM BDM Available standard CVM BDM types are CVM BDM 7 70 290 CVM BDM Communications internal memory and data display 7 70 291 CVM BDM C2_ CVM BDM 2 relay outputs 7 70 292 CVM BDM C420 CVM BDM 1 relay output 1 analog output 770293 CVM BDM 420 CVM BDM 2 analog outputs Different CVM BDM provide more parameters to be displayed additional SETUP 3 INSTALLATION AND STARTUP The manual you hold in your hands contains information and warnings that the user should respect in order to guarantee a proper operation of all the instrument functions and keep its safety conditions The instrument must not be powered and used until its definitive assembly on the cabinet s door Whether the instrument is not used as manufacturer s specifications the protection of the instrument can be damaged When any protection failure is suspected to exist for example it presents external visible damages the instrument must be immediately powered off In this case contact a qualified service representative CVM BDM supply network analyzer Page N 8 3
16. correct this blinks and the previous menu is again accessed CVM BDM PASSWORD 1234 To exit this setup mode the key RESET can be pressed at any moment WARNING if the setup is exited by pressing the key RESET some latest modifications might not be saved into memory or reach the end of this setup mode CVM BDM supply network analyzer Page N 56 13 3 Appendix C Internal memory reading and setting procedures 13 3 1 Description The CVM BDM is equipped with an 1Mbyte internal memory So the different information recorded by the CVM BDM into its on board memory is distributed between two file types STD file 1 Mbyte capacity This file contains all values which are periodically recorded V W Hz EVE file 1 kbyte capacity File which contains all incidents referred to the CVM BDM power supply power supply on off Parameters to be recorded by the CVM BDM into the STD file are user programmable thus the memory autonomy will depend both on the number of parameters to be saved up to a maximum of 130 parameters and the recording period The below table shows the method to calculate the memory autonomy according to the number of parameters selected to be saved File type Maximum size Register size Register No i gt 1000000 EE EES Ee 6 4 Parameter No EVE 1 kbyte 6 bytes 170 Events The energies count like two parameters
17. current transformer grounded to earth A2 POWER SUPPLY CVM BDM Par Bee KERKEN A1 12 13 14 Bc Sr ia Ka O sz 4 st Pi Q O EE W O O L3 O P2 P1 CVM BDM supply network analyzer Page N 14 1 of the current transformer grounded to earth A2 Q SUPPLY BASE EOE SCH SE 7 de L L3 sr VL1 Va VU 12 13 14 Du O dh d s2 d er i l O O i P2 P1 L2 Pia O O O S2 A Q O P2 CVM BDM supply network analyzer Page N 15 4 OPERATION MODE The instrument has a display with three lines 10 characters every line When you switch on the power supply of the CVM BDM you will see on the display Card Circ Where XXXXX utor XXX hardware configuration XXXX yyy yyy Version software After some seconds the instrument is ready to work showing one of the possible screens The display indicates the parameter presently shown The first display shows the voltage of phase L1 V1 the voltage of phase L2 V2 and the voltage of phase L3 V3 220 V1 220 V2 220 V3 If you press the display key we are now reading the CURRENT values for each phase A1 A2 A3 However this screen can be configured in order to display other different parameters When pressing again the display key we will see on display the three previou
18. e between 5 C and 45 C Power factor between 0 5 and 1 Measured values between 5 100 Constructive characteristics Box type Self extinguishing plastic casing Connection Metallic terminals with posidraft screws Fixing Fitted onto symmetrical DIN 46277 EN 50022 rail Screw fixing Passing hole 4 2 mm Frontal cover Lexan Protection Built in relay IP 41 Terminals IP 20 Dimensions 140 x 70 x 110 mm 8 modules relay as per DIN 43 880 Safety rated Category Il as per EN 61010 Standards EN 60664 EN 61010 1 EN 61036 IEC 60801 IEC 60571 1 EN 50081 1 EN 50082 1 VDE 110 UL 94 CVM BDM supply network analyzer Page N 43 Dimensions oooooo0Oo0O0O0O0O00O00 110 45 OO0O0000000 00 00 0 140 gt eI y 9 SAFETY CONSIDERATIONS All installation specification described at the previous chapters named INSTALLATION AND STARTUP INSTALLATION MODES and SPECIFICATIONS Note that with the instrument powered on the terminals could be dangerous to touching and cover opening actions or elements removal may allow accessing dangerous parts This instrument is factory shipped at proper operation condition CVM BDM supply network analyzer Page N 44 10 MAINTENANCE The CVM BDM does not require any special maintenance No adjustment maintenanc
19. e next option press display If you don t want to modify anything just press the display key three times without modifying any value Display If you program the MAXIMUM POWER DEMAND option parameter 35 the following appears by display depending on the pressed key display Present value of the demand power meter Sliding Window according to the set demand period updated every second max _ MAXIMUM integrated value since last reset HOUR MINUTE DAY MONTH HH MM DD MM when this maximum has occurred OTHER SETUP SCREENS THE ENERGY AND CLOCK MODULES CVM BDM supply network analyzer Page N 27 5 9 DATE TIME SETUP Pressing the display key we will see in the CVM BDM screen the following 1 DAY MONTH SET day dd mm 2 YEAR SET YEAR xxxx 4 digits 3 HOURS MINUTES SET HOUR hh mm For their setup max key Allows modifying the value of the blinking digit min key Allows the validation of the blinking digits and go to the next one To pass to the next option press display If you don t want to modify the time just press three times display without making any modification Display If you select the parameter 31 following appears by display display HOUR MINUTES max DAY MONTH min MINUTES SEC CVM BDM supply network analyzer Page N 28 5 10 Clearing energy counters On display we see CLR ENER no Clea
20. e or repairing action should be done over the instrument open and powered and should those actions are essential high qualified operators must perform them Before any adjustment replacement maintenance or repairing operation is carried out the instrument must be disconnected from any power supply source When any protection failure is suspected to exist the instrument must be immediately put out of service The instrument s design allow a quick replacement in case of any failure 11 TECHNICAL ASSISTANCE SERVICE T A S For any inquiry about the instrument performance or whether any failure happens contact to CIRCUTOR s technical service CIRCUTOR S A Tel 34 93 745 29 00 Vial Sant Jordi s n Fax 34 93 745 29 14 08232 Viladecavalls e mail sat circutor es Barcelona SPAIN www circutor es CVM BDM supply network analyzer Page N 45 12 CVM BDM COMMUNICATIONS JE a Co mE One or some CVM BDM can be connected to a P C With this system we can get all the parameters in one central point of reading The CVM BDM has a serial RS 485 type output If we connect more than one device to the same communication line we have to assign to each of them a different code or direction from 01 to 255 since the P C needs the identification of every measuring point 12 1 To take into account PROTOCOL MODBUS Question Answer CVM BDM DEFAULT CONFIGURATION 001 9 600 8 bi
21. haracters contained in each 8 bits field of the message Bits per Byte 8 data bits Error Check Field Cyclical Redundancy Check CRC MODBUS FUNCTIONS FUNCTION 01 Reading of relay state FUNCTION 3 or 4 Reading of n Words 16 bits 2 bytes This function permits to read all the electrical parameters of the CVM BDM Each parameters is a 32 bits long hence two words are required to inquiry for a parameter FUNCTION 05 Writing one relay CVM BDM supply network analyzer Page N 48 a Registers assigned to different parameters measured by the CVM BDM MODBUS REGISTERS HEXA DECIMAL longs DRAI Units PRESENT MAXIMUM MINIMUM Value Value Value Phase voltage V 1 V x 10 00 01 100 101 200 201 Current A 1 mA 02 03 102 103 202 203 Active power kW1 W 04 05 104 105 204 205 inductive power kvar L 1 var L 06 07 106 107 206 207 Capacitive power kvarC 1 var C 08 09 108 109 208 209 Power factor PF 1 PF x 100 OA 0B 10A 10B 20A 20B Phase voltage V 2 V x10 0C 0D 10C 10D 20C 20D Current A 2 mA OE OF 10E 10F 20E 20F Active power kW2 W 10 11 110 111 210 211 Inductive power kvarL 2 var L 12 13 112 113 212 213 Capacitive power kvarC 2 var C 14 15 114 115 214 215 Power factor PF2 PF x 100 16 17 116 117 216 217 Phase voltage V 3 Vx 10 18 19 118 119 218 219 Current A 3 mA 1A 1B 11A 11B 21A 21B Active
22. instrument from the power supply network The supply and measuring voltage circuits will be both connected through a wire with a minimum cross section of 1 mm The line of the current transformer secondary will have a minimum cross section of 2 5 mm CVM BDM supply network analyzer Page N 10 3 2 CVM BDM Connection terminal see side labels ea Termination 240 Q resistor adaptation of the line final 23 19 resistor RT impedance bridge 23 22 and 19 20 22 COM1 CVM B RS 485 connection to the PC converter gt 2 RS 485 RS 232 No used IEN IE REU 9 8 IL2 sl s2 Currentphasel2 SA NOTE Current inputs are isolated in the CVM BDM model CVM BDM supply network analyzer Page N 11 3 3 Connection drawing for the CVM BDM a CVM BDM Three phase network 4 wires low voltage CVM BDM CVM BDM supply network analyzer Page N 12 b CVM BDM 3 current transformers 2 voltage transformer A2 POWER SUPPLY Q J CVM BDM A LU IO LL21 LL3 I A1 12 13 14 S2 Si OO Q 2 S1 O O O O Q P2 P1 P2 S P1 L1 L2 ES P2 P1 S24 O O L3 P2 P1 CVM BDM supply network analyzer Page N 13 c CVM BDM 2 current transformers 2 voltage transformer S2 of the
23. l register 26 Hex in decimal 212 V mA av Ill in decimal 9000 mA W III in decimal 4000 W varL Hl in decimal 0 varL varC Ill in decimal 0 varC PF in decimal 96 PF Hz in decimal 50 x 10 gt 50 Hz VA III in decimal 4000 mA CRC character CVM BDM supply network analyzer Page N 52 b Reading of digital outputs Function 01 Question PP0100000008CRC PP Peripheral No Answer PP0101XXCRC where XX hexadecimal byte gt translated to binary b7 b6 b5 b4 b3 b2 b1 bO bit bO relay1 1 ON 0 OFF bit b1 relay2 1 ON 0 OFF c Writing relay parameters Function 05 PARAMETER FUNCTION COMMAND Relay 1 output Force toOFF NP0500000000 CRC Force to ON NP050000FF00 CRC Relay 1 output Force to OFF NP0500010000 CRC Force to ON NP050001FF00 CRC FUNCTION COMMAND Power meter reset NP0507D0FF00 CRC Energy value deleting NP050834FF00 CRC Power demand deleting NP050835FF00 CRC Maximum and minimum value deleting NP050836FF00 CRC Energy power demand and NP050837FF00 CRC maximum minimum values deleting CVM BDM supply network analyzer Page N 53 13 APPENDIX 13 1 Appendix A Four quadrant measuring method in the CVM BDM Example of the phase Acti Reacti EE ctive power eactive power kW or kW h kvar or kvar h voltage and current CVM BDM supply network analyzer Page N 54 13 2
24. ltage supply loss and restoring date time The CVM BDM calculates every second values of all parameters regardless its configuration Internal values in the internal memory can be retrieved from a PC via RS 485 CVM BDM supply network analyzer Page N 40 6 3 Memory capacity The quantity of records that can be saved into the internal memory will depend on the number of parameters selected to be stored Memory capacity is indicated in the following table Maximum size Register size No of registers STD 1 Mbyte 6 4 no parameters 1000000 6 4 no parameters EVE 1 kbyte 6 bytes 170 events xx STD TYPE FILE This type of file permits the user to select the parameters to be saved into memory The maximum number of parameters that the CVM BDM can collect into memory is 130 variables the energies count like two parameters The size of each register will depend on the number of parameters selected by the user to be stored The number of registers that can be saved into the memory can be calculated just applying the following formula 1000000 6 4 No Parameters No of registers 6 4 Setting the memory up from PC The choice of parameters to be stored by the CVM BDM must be carried out through a PC by means of the Power Vision software This software permits to read the SETUP saved into the own CVM BDM and following operation parameters can be defined FIEL
25. monic 5 X10 328 329 346 347 364 365 382 383 3A0 3A1 3BE 3BF Harmonic 6 X10 32A 32B 348 349 366 367 384 385 3A2 3A3 3C0 3C1 Harmonic 7 X10 32C 32D 34A 34B 368 369 386 387 3A4 3A5 3C2 3C3 Harmonic 8 X10 32E 32F 34C 34D 36A 36B 388 389 3A6 3A7 3C4 3C5 Harmonic 9 X10 330 331 34E 34F 36C 36D 38A 38B 3A8 3A9 3C6 3C7 Harmonic 10 X10 332 333 350 351 36E 36F 38C 38D 3AA 3AB 3C8 3C9 Harmonic 11 X10 334 335 352 353 370 371 38E 38F 3AC 3AD 3CA 3CB Harmonic 12 X10 336 337 354 355 372 373 390 391 3AE 3AF 3CC 3CD Harmonic 13 X10 338 339 356 357 374 375 392 393 3B0 3B1 3CE 3CF Harmonic 14 X10 33A 33B 358 359 376 377 394 395 3B2 3B3 3D0 3D1 Harmonic 15 X10 33C 33D 35A 35B 378 379 396 397 3B4 3B5 3D2 3D3 CVM BDM supply network analyzer Page N 51 EXAMPLE QUESTION 0A 03 00 24 00 10 05 76 ANSWER 00 00 00 D4 00 00 23 28 00 00 OF AO 00 00 00 00 00 00 00 00 00 00 00 60 00 00 01 F4 00 00 OF AO B7 B8 0A 03 00 24 00 10 05 76 CVMk number 10 in decimal Reading function Starting address first register Number of registers for reading CRC character 0A 03 20 00 00 00 D4 00 00 23 28 00 00 OF AO 00 00 00 00 00 00 00 00 00 00 00 00 60 00 00 01 F4 00 00 OF AO B7 8B CVM BD number 10 in decimal Reading function 03 or 04 Data response bytes Vav Il
26. offset Value of the parameter that we assign as the zero of the scale FS OUTPUT D A No 1 Zero zero of the scale pati 2 allows choosing the zero of the scale four digits with floating decimal point max key it allows modifying the value of the blinking value Every time it is pressed the number is increased min key it allows validating the blinking value and go to the next digit NOTE When you arrive at the last digit you can move the position of the decimal point with the max key display to validate the selected option and pass to the next setup screen d Full scale Value of the parameter to which we assign the 20 mA dA 1 OUTPUT D A No 1 F ESC Full scale X XXX allows choosing the full scale 20 mA four digits with floating decimal point Proceed as in the previous section For passing to the next option press display the setup for the second output will appear only with a CVM BDM type CVM BDM 420 dA 2 OUTPUT D A No 2 code XXXX Proceed as in the previous sections CVM BDM supply network analyzer Page N 38 1 Connections of the 4 20 mA outputs a CVM BDM 420 Two 4 20 mA outputs channel 1 and channel 2 and b CVM BDM C420 One 4 20 mA output channel 1 Channel 20 mA Common Channel 20 mA Common 2 1 2m 2 Output calculation 20 Zero Offset amp f scale defined by the F scale Offset
27. out voltage transformer the values of primary and secondary must be the same for instance 000001 001 5 3 Current Transformer Primary SET A P and five digits appear on screen allowing us to set the primary of the current transformer The current green leds light on to avoid mistakes SETA P ern The procedure is the same one done at the previous sections with the max min and display keys NOTES The secondary of the current transformers is not programmable It is automatically set at 5 A 5 A ac The primary current value to be set is also limited by the following condition The maximum allowable primary current value which can be set is defined by the fact that the multiplication of the primary voltage value by this primary current value cannot exceed 20 000 000 CVM BDM supply network analyzer Page N 21 5 4 Network specifications 5 4 1 Rated voltage The message SET n is on screen together with three digits to set the rated voltage of the monitored power system Whether the voltage measurement is carried out through the secondary of voltage transformers then the rated voltage of the transformer secondary must be set Phase to neutral voltage SET Gi aor Proceed as for previous sections when using max min amp display keys Examples Direct measurement Transforming ratio 1 1 Set n 230 Through transformers 22000 110 Setn 110 5 4 2 Rated frequency The
28. ower demand 26 50 DATE TIME SETUP ister derdennd oren aloud E a eebteun acdsee 27 5 10 Clearing energy counters nsnenenen sneren enenereneneeenendnenenen denderen inden 28 5 11 Memory SETUP tissen eee ela ce eae eee adage ke dave 29 Dale se TAD OD SSUING os toe cde e eh eee ela eh el Mee eh ee eee 30 5 13 Additional screen with the relay output nne 31 5 14 Additional screen with the 4 20 mA outputs eee eeeeeeeeeeees 36 CVM BDM supply network analyzer Page N 2 6 DATA COLLECTION INTO MEMORY 39 Gel GMAlACtSMSIICS EE 39 EE eege 39 6 3 Memory Capaclly EE 40 6 4 Setting the memory up from PDC 40 Lay CONTRAS EE 41 8 SeECIFIGA TION LEES 42 9 SAFETY NEE HERE ee 43 10 MAINTENANCE ee 44 11 TECHNICAL ASSISTANCE SERVICE T A S neee 44 12 CVM BDM COMMUNIGATIONS eneen ee eeenennn 45 12 12 To take into ACCOMM EE 45 12 2 RS 485 type connection to a RS 232 type input of a PC sassssassaaaa 46 12 3 MECHELEN ee 47 13 AIP BIND nd sto tes Bid load io ed td ed i tet oa Ltd de 53 13 1 Appendix A Four quadrant measuring method in the CVM BDM 53 13 2 Appendix B Second SETUP of the CVM BDM 54 13 3 Appendix C Internal memory reading and setting procedures 56 13 38 Li DESCMPUOM EE 56 13 3 2 Internal memory setting for data collection purposes 57 13 3 2 1 Recording penod nnn beeen tena 57 13 3 2 2 Parameters to be
29. power kW3 W 1C 1D 11C 11D 21C 21D Inductive power kvarL 3 var L 1E 1F 11E 11F 21E 21F Capacitive power kvarC 3 var C 20 21 120 121 220 221 Power factor PF3 PF x 100 22 23 122 123 222 223 Phase voltage V Ill V x 10 24 25 124 125 224 225 Current A III mA 26 27 126 127 226 227 Three phase active power kW III W 28 29 128 129 228 229 Three phase inductive power kvarL III var 2A 2B 12A 12B 22A 22B Three phase capacitive power kvarC Ill _ var 2C 2D 12C 12D 22C 22D Three phase power factor PF III PF x 100 2E 2F 12E 12F 22E 22F CVM BDM supply network analyzer Page N 49 MODBUS REGISTERS HEXA DECIMAL longs PARAMETER Units PRESENT MAXIMUM MINIMUM Value Value Value Frequency L1 Hz Hz x 10 30 31 130 131 230 231 Three phase apparent power kVA III VA 32 33 132 133 232 233 Line to line voltage L1 L2 V12 Vx 10 34 35 134 135 234 235 Line to line voltage L2 L3 V23 Vx 10 36 37 136 137 236 237 Line to line voltage L3 L1 V31 Vx 10 38 39 138 139 238 239 Line to line voltage III Vx 10 3A 3B 13A 13B 23A 23B Hours minutes 3C 3D Month day 13C 13D Minutes seconds 23C 23D Active energy kW h W h 3E 3F Inductive reactive energy kvar h L var h L 40 41 Capacitive reactive energy kvar h C var h C 42 43 Maximum power demand Md Pd 44 45 144 145 244 245 Active energy kW h W h 46 47 Inductive reactive energy
30. r energy counters max To select YES or no display To validate the selected option Once finishing this option all the modifications that we have done are saved into memory and the setup process is finished Display If any of the energies is programmed kWh kvarhL or kvarhC it is displayed as follows display XXXX kW h 4 meter digits more significant units max completemeter XXX XXX XXX complete meter min XXXX 1 4 digits Tarifftype 1 2or3 Example If the accumulated energy is 32 534 810 kWh it will be displayed as follows display 2534 kW h max 32534 810 Jninl 254 1 CVM BDM supply network analyzer Page N 29 5 11 Memory SETUP Once the setup for the analyzer performance is completed the memory is then configured Firstly set the recording period Si Recording period Recording period must be set within 1 to 240 min Press the max key and the blinking digit value will be increased Press the min key to pass to the next digit in order to modify the other values Press display to access other options To ends the analyzer configuration the user is inquired whether the internal memory of the analyzer is desired to be deleted 2 Memory clear Use the max key to select the memory data to be deleted yes or kept no Use the display key to validate the selected option Once finishing
31. rent CCAD 150A 250 5 250 5 kW po eee 0 7 0 70 50 0 50 Hz Li Connections of the RELAY OUTPUTS a CVM BDM C2 2 relays RELAY1 RELAY2 b CVM BDM C420 relay Out2 Terminals Signal Out2 Terminals Signal RELAY1 Maximum voltage between terminals 250 V a c CVM BDM supply network analyzer Page N 36 5 14 Additional screen with the 4 20 mA outputs 4 20 mA outputs CVM BDM 420 2 analog outputs and CVM BDM C420 1 relay 1 analog output With this outputs we can configure the CVM BDM to give an output of 4 20 mA d c or of 0 20 mA d c resolution of 4 000 points proportional to any of the parameters measured by the CVM BDM with the ability of setting the scale offset and full scale On the CVM BDM screen following messages appear at this SETUP point provided the right module is connected to the equipment a Parameter choosing dA 1 OUTPUT D A No 1 Code Xx 2 Parameter No max min keys allow the selection of any parameter from 01 to 30 display key validates the selected option and passes to the next setup screen b Election of 0 20 mA or 4 20 mA dA 1 OUTPUT D A No 1 Scal Scale 4 20 allows choosing a 0 20 mA or 4 20 output max or min key display to validate the selected option and pass to the next setup screen CVM BDM supply network analyzer Page N 37 c Scale
32. s demanded energy and kWh and generated energy Reactive energy inductive two indep meters kvarh L and Reactive energy capacitive two indep meters kvarh C and CVM BDM permits above enumerated parameters to be view in a three line alphanumeric display Three parameters are shown in every screen a Phase to neutral or phase to phase voltage of every phase b User selectable parameters according to the model see attached table CVM BDM supply network analyzer Page N 6 er And also the MAXIMUM POWER DEMAND The power demand is integrated during a prefixed period You can select a The parameter to be controlled it can measure active power kW apparent power kVA or three phase average current Alll b The demand period 1 to 60 min This power demand function works with sliding window shows the accumulated demand over the last period from now 5 CVM BDM is equipped with an internal memory for the collection of main parameters from the electric network By means of the PC see the user can select the parameters to be save into memory among all measured by the power meter instantaneous maximum and minimum values You can also set the data recording period 2 1 Other features DIN rail mounting device with low dimensions True RMS value measurements Internal memory 1Mbyte Measurements in all four quadrants Power demand
33. s shown for some seconds on screen or otherwise the message SETUP loc 2 1 Setup UNLOC SETUP unlocked when the SETUP is accessed configuration parameters can be either visualized and modified 2 Setup LOC SETUP locked when the SETUP is accessed configuration parameters can be visualized but cannot be modified Once into the SETUP use the keyboard to select different options and enter required variables The key Display validates de value and pass to the next menu The key MAX permits to select among different options in a menu or to increase a digit when a variable is being entered The key MIN permits to move the cursor along the digits Different options are following shown in a sequential mode CVM BDM supply network analyzer Page N 18 5 1 Phase to Phase or Phase to Neutral voltages After the word set you will see on the three displays the voltages of the phases L1 L2 L3 U1 U12 U2 or U23 U3 U31 Phase to Neutral Voltages U1 U2 U3 Phase to Phase Voltages U12 U23 U31 a To select one of the voltage options just press the green key max and both options will appear alternately b b When you get in the display the wished option just press the display key to validate it and access to the next setup option CVM BDM supply network analyzer Page N 19 5 2 Voltage transformation ratio 5 2 1 Voltage Transformer Primary On the
34. saved into memory nen 57 183 23 el 58 CVM BDM supply network analyzer Page N 3 1 BASIC INSTRUCTIONS 1 1 Delivery spot check This manual is issued to help all the CVM BDM users to install and use it in order to get the best from it After receiving the unit please check the following points a Does this device corresponds to your order specifications b Check if any damage was done during the shipment process c Verify that it includes One instruction manual d CD with PC software Power Vision 1 2 Connection procedures The manual you hold in your hands contains information and warnings about the CVM BDM that the user should respect in order to guarantee a proper operation of all the instrument functions and keep its safety conditions Before connecting the instrument to the mains verify the following a Power supply LI 230 V a c Power supply Va c Single phase 50 60 Hz b Maximum measuring voltage LI Standard 500 V a c phase neutral 866 V a c between phases UI A special model for 110 V measuring is available 100 V a c phase neutral 173 V a c between phases c Maximum measuring current Transformer of In 5 A a c CVM BDM supply network analyzer 2 MAIN CHARACTERISTICS O O O OO 0 Gn K J O O OO 0 LL 25 a 23 22 2 20 19 18 7 16 27 26 230 VAC 15 DISPLAY z ADE cvm B0M
35. screens shows SET freq and two digits to set the rated frequency of the monitored power system SET Freq Proceed similarly than for previous sections by means of the max min and display keys CVM BDM supply network analyzer Page N 22 5 5 Integration period of voltage and frequency signals The screens shows SET mt and two digits to set the desired integration period of voltage and frequency signals Allowable value from 1 to 60s Proceed similarly than for previous sections by means of the max min and display keys For the calculation of the average maximum and minimum voltage and frequency values the CVM BDM obtains one value every second These values equal the average of the values calculated within the time window set by the user time constant If the time value is 1 second then the viewed value equals the instantaneous value VM tot Lint Tint DS H rms rms V ms to E mt Sliding Window Sliding i Window CVM BDM supply network analyzer Page N 23 5 6 Parameter SETUP This option allows to program until 45 optional parameters that you can see on 15 programmable pages 3 parameters every page The CVM BDM asks first if you want to program the default parameters L max key you can select YES or NO The display key allows the validation of the selected option dEF PAGE YES a Select YES
36. sly programmed parameters If you press the display key again you can see from 1 to 15 screens depending of the previous setup CVM BDM supply network analyzer Page N 16 Pressing the max key the maximum values for the parameters being shown appear in the displays XXXX MAX XXXX MAX XXXX MAX This function is only valid while you keep pressing the max key If you stop pressing the key the instantaneous values appear again min _ Pressing the min key the minimum values for the parameters being shown appear in the displays XXXX MIN XXXX MIN XXXX MIN This function is only valid while you keep pressing the min key If you stop pressing the key the instantaneous values appear again Pressing the reset key the system is reset This is equivalent to switch off the power supply of the instrument The stored maximum and minimum values will be automatically deleted from the internal memory If you are in the setup process and press the reset key you exit it without saving any modification that you have done and making a reset of the system CVM BDM supply network analyzer Page N 17 5 SETUP PROCEDURE The setup procedure of the CVM BDM is performed by means of several SETUP options E For accessing the setup menu the keys max amp min must be simultaneously pressed once the instrument is at the main screen When accessing the SETUP the message SETUP unloc 1 i
37. this option all the modifications that we have done are saved into memory and the setup process is finished CVM BDM supply network analyzer Page N 30 5 12 THD or D setting SET SET dHAR or dHAR d Thd Two modes for the harmonic distortion calculation can be selected d total value of the harmonic distortion referred to the fundamental value Thd total value of the harmonic distortion referred to the RMS value The selected option will be the one shown on screen a To select any option just press max to switch between the two available options b Press Display to validate the choice Since all setup options have been completed the setup is exited all modifications are saved into memory and the running mode automatically starts up CVM BDM supply network analyzer Page N 31 5 13 Additional screen with the relay output CVM BDM C2 2 relays amp CVM BDM C420 1 relay With these outputs the CVM BDM can be configured for A Pulse every certain kW h or kvar h ENERGY You can define the value corresponding to the energy consumed for generating a pulse 0 5 sec long kW h 1 pulse or kvar h 1 pulse B ALARM conditions the parameter to be controlled the maximum value the minimum value and the delay are programmed for each relay output On the CVM BDM C2 amp CVM BDM C420 screen following messages appear at this SETUP point OUT 1 REL
38. ts N 1 bit Available baud rates 1 200 2 400 4 800 9 600 19 200 bauds RS 485 type output RS 485 connection will be carried out by means of a twisted and screened cable with a minimum of 3 wires with a maximum distance between the CVM BDM and the last peripheral of 1 200 m The CVM BDM uses a RS 485 communication bus allowing up to a maximum of 32 devices in parallel Multi point bus per port used in the PC CVM BDM supply network analyzer Page N 46 12 2 RS 485 type connection to a RS 232 type input of a PC RS 232 O O O CONVERTIDOR RS 232 RS 485 O RS 485 O00 000 000 CVM BDM eo000000000000 0 If the RS485 232 converter with RTS control ability code 770208 is used then the pin 7 connection in the 232 side is not necessary to be done CVM BDM supply network analyzer Page N 47 12 3 MODBUS protocol The CVM BDM analyzer can communicate by means of the MODBUS protocol as it is following described When the CVM BDM communicates with MODBUS protocol it uses the RTU mode Remote Terminal Unit Each 8 bits byte in a message contains two 4 bits hexadecimal characters The format for each byte in RTU mode is Code 8 bits binary hexadecimal 0 9 A F Two hexadecimal c
39. user 5 Zero 0 mA or 4 mA Re solution mA Resolution Mesure Offset Zero mV 100 ohms MA x 100 Maximum load is of 250 Q 5 V 20 mA The maximum allowed offset is a value equal to the 90 of the full scale er Output of the power factor parameter PF CVM BDM supply network analyzer Page N 39 6 DATA COLLECTION INTO MEMORY 6 1 Characteristics The CVM BDM power meter is equipped with an internal memory to store some all the electrical parameters measured or calculated by the analyzer Data collection into memory is automatically carried out every user defined period Either this recording period as the parameters to be saved are defined through a PC set 2A Point to consider The internal memory is a rotary type memory Once the internal memory of the CVM BDM is full newest values will replace oldest ones 6 2 File types The CVM BDM executes the integration of all measured values calculates the average maximum and minimum value of the defined period and collects data into memory according to the set recording period the available period can be set from 1 s to 240 min 4 hours Following files are saved into memory xx STD variable Only saves into memory the selected parameters instantaneous maximum and or minimum values Parameter selection is done via PC maximum 130 parameters xx EVE 6 bytes Power ON Power OFF DATE TIME date time of vo
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