CVM-NRG96
Contents
1. For communication with the master unit the RS 232 to RS 485 System Protocol Intelligent Converter has to be used M54020 Intelligent Converter This converter does not require the 7 Pin connection in the RS232 part COMPLETO NRG96 ING 35 CVM NRG96 FAQ s 1 The CVM NRG96 analyzer once cabled and connected is seen to give a correct voltage and current reading but shows negative values for active power generation This is an error with the cabling for the current transformer secondaries the direction of the transformer current has to be respected as shown in the connection diagram The current transformers have a two face primary the current must pass from P1 to P2 giving the result in secondary S1 and S2 of 5 amps The error stems from a The current transformers have been incorrectly installed As a result it gives the direction of the current as passing from P2 to P1 to resolve this problem the current transformer does not have to be dismantled and installed again but the transformer secondary S1 and S2 just has to be inverted b The connection of the current secondaries in the current transformers have been incorrectly connected to resolve this problem just connect the S1 transformer secondary to the S1 on the analyzer and the S2 on the current transformer to the S2 on the analyzer The CVM NRG96 analyzer once cabled and connect2. ON OFF ON DUE usq 0 Min Max OFF ON OFF MIN a s __ 0 Max Min ON OFF ON MIN MAX Min 0 Max OFF ON OFF MIN MAX 0 Mum MAX ON EET ON max mm Min Max 0 ms MAX ELE NUS Min 0 The alarms depend on the preset values MAXIMUM and MINIMUM COMPLETO NRG96 ING 25 CVM NRG96 Setti ng COMMUNICATION SETUP Only for models with communication One or more CVM NRG96 instruments may be connected to a computer or PLC in order to automize a production process or an energy control system As well as the usual operation of each instrument this system may centralize data at one single point for this reason the CVM NRG96 has an RS 485 communication output If more than one instrument is connected to one single series line RS 485 it is necessary to assign to each a number or address from 01 to 255 so that the central computer or PLC sends the appropriate requests to these addresses for each peripheral From communication SETUP the CVM NRG96 s communication parameters may be displayed and or changed this may match these parameters to the requirements of the system topologies and or applications The analyzer does not store the setting changes until all of the setting has been finished If it is RESET before the end of the setting the configuration entered is not stored in the
3. access the following setting step 7 Setting THd ord Selecting Harmonic Distortion Analysis The display shows SEE hAr thd SEE HAr HAr d Thd 96 Total value of harmonic distortion referred to the true effective value RMS d 926 Total value of harmonic distortion referred to the fundamental value RMS COMPLETO NRG96 ING 21 CVM NRG96 To select one of the two display options just press the MAX key and the two options will alternate Once the required option is selected press the key to enter the data and access the following setting step 8 Digital output for the transistor The CVM NRGS96 s digital output may set a Pulse per n kW h or kvar h Energy the value for the energy consumed or generated may be set to generate a pulse b Alarm condition associates a magnitude to a digital output setting a maximum minimum and delay delay for the trip condition In the event that no variable needs to be set put 00 and enter using the key The display shows Out UAr CodE MEZEI D DC C30 rr com Setting pulse per n kW h or kvar h Energy code table Active Energy III kWh Ill 31 Inductive Reactive Energy III KvarL h Ill 32 Capacitive Reactive Energy III KvarC h Ill 33 Apparent Energy III kVA h 44 Active energy Generated III kW h III 45 Inductive Reactive Energy Generated III KvarL h III 46 Ca
4. 300V Serialno 39441000001 C PL P2 PI P2 PL P PP P N AT tot 300V L1 L2 L3 1 Ve N S2 51 S2 S S2 851 2 D coovooe ceo COMPLETO_NRG96_ING 10 CVM NRG96 C Three phase system measurement with 3 wire connection using 2 transformers and three external current transformers Power supply AC Version Plus DC le SE noe B Model NRG96 ITF RS485 C Power Supply 230V 50 60Hz 2VA ing Range 300V P N 5A 5 mA Serial no 39441000001 C Pl P2 Pl P2 PP P N TSP 520V 300V L1 L2 L3 M M2 N S2 S1 S 51 52 S 2 D ceoilosSco COMPLETO_NRG96_ING 11 CVM NRG96 D Three phase system measurement with 3 wire connection using 2 voltage transformers and two external current transformers Power supply AC Version Plus DC 9 DES Model NRG96 ITF RS485 I iut ee 5 C ower Supply 230V 50 60Hz 2VA Measuring Range 300V P N 5A 24V 50mA Output CAT 300V Serial no 394410
5. L2 THD VL2 32 33 92 93 F2 F3 x 10 THD V L3 THD VL3 34 35 94 95 F4 F5 96 x 10 THDAL1 THD AL 1 36 37 96 97 F6 F7 96 x 10 THDAL2 96THD AL2 38 39 98 98 F8 F9 96 x 10 THD A L3 THD AL3 3A 3B 9A 9B FA FB 96 x 10 Apparent Power III Kvalll 42 43 A2 A3 102 103 w Maximum Demand Md Pd 44 45 A4 A5 104 105 w VA mA Three Phase Current average A AVG 46 47 A6 A7 106 107 mA Neutral Current In 48 49 A8 A9 108 109 mA Maximum Demand A2 Md 52 53 B2 B3 112 113 mA Maximum Demand A3 Md 54 55 B4 B5 114 115 mA COMPLETO_NRG96_ING 32 CVM NRG96 MODBUS VARIABLES CR UE at Active Energy kWh Ill 3C 3D 9C CD FC FD w h Inductive Reactive Energy kvarL h III 3E 3F 9E 9F FE FF w h React Energy Capacitive kvarC h III 40 41 A0 A1 100 101 wh Apparent Energy kVA h 56 57 B6 B7 116 117 w h Active energy Generated kW h III 58 59 B8 B9 118 119 w h Inductive energy generated kvarL h III 5A 5B BA BB 11A 11B wh Capacit Energy Generated kvarC h III 5C 5D BC BD 11C 11D w h Apparent Energy Generated kVA h III 5E 5F BE BF 11E 11F w h MODBUS VARIABLES Magnitude Symbol Harmonic decomposition in VOLTAGE Instant RMS Current 2AE 2AF 2CC 2CD 2EA 2EB Harmonic 2 2B0 2B1 2CE 2CF 2EC 2ED Harmonic 3 2B2 2B3 2D0 2D1 2EE 2EF Harmonic 4 2B4 2B5 2D2 2D3 2F0 2F1 Harmonic 5 2B6 2B7 2D4 2D5 2F2
6. a default SEEUP Lac is displayed for a few seconds indicating that we are in setting and informing of their status locked or unlocked SEEUP unLo On entering setting mode it is possible to see and change the setting SEEUP Loc On entering setting mode it is possible to see the setting but not possible to change it Once in MEASUREMENT SETUP using the keypad it is possible to select the different options and enter the variables The keypad functions to carry out the setting are as follows The key enters the data and moves on to the following menu MAX key allows the selection of the different options in the menu or increases a digit in the event that a variable has been entered MIN key is used to move the cursor among the digits COMPLETO NRG96 ING 15 CVM NRG96 1 Simples or Compound Voltages Simple Voltages UI ue u3 Compound Voltages Ule Ue3 uda te Uc 1 23 u 3 ug To select one of the two display options just press the MAX key and the two options will alternate Once the required option is selected press the to enter the data and access the next setting step moving on to the next setting step 2 Transformation Ratios Transformer voltage primary The display shows SEE UoLE PrL followed by three digits these allow the setting of the transformer voltage primary SE Yolk 0 OT TT 000 To write or chan
7. memory To access COMMUNICATIONS SETUP the RESET key has to be pressed until the equipment starts and then the MAX MIN and keys have to be pressed until setting mode is entered On entering setting mode the message SELUP nl c appears for a few seconds informing the user that the equipment has entered communications display or setting mode Below the display shows SEE Prot bu5 Prot buS Using this information screen the equipment is informing the user that the Communication Protocol via the RS 485 series port is standard MODBUS To enter setting mode the must be pressed COMPLETO NRG96 ING 26 CVM NRG96 1 Setting the communication parameters Default settings factory settings The display shows SEE CdEF no SEE SEE LdEF LdEF no YES To select one of the two display options just press the MAX key and the two options will alternate SEE CdEF no Personalized communication parameters SEE YES Peripheral 001 Transmission speed 9 600 bps Data bits 8 Parity No Stop bits 1 Once the required option is selected press the to enter the data and access the following setting step If the selected option is 5 CdEF YES the configuration screens refer to peripheral number speed data bits parity and stop bits are omitted moving on to the last screen in the communication menu If the selected op
8. of the equipment 5V A Version Plus Power supply 85 265 V AC 95 300 V DC Frequency 50 60 Hz Connection board Terminals 1 2 Power Supply Consumption of the equipment 5V A COMPLETO NRG96 ING 6 CVM NRG96 B Maximum voltage in the measurement circuit Voltage 300 V AC phase neutral 520 V AC phase phase Frequency 45 65 Hz C Maximum admissible current Current External transformers In 5A D Transistor features output NPN Type Opto isolated Transistor Open Collector Maximum operating voltage 24 V DC Maximum operating current 50 mA Maximum frequency 5 pulses second Pulse length 100 m secs E Operating conditions Operating temperature 10 C 50 C Relative humidity 5 to 95 HR without condensation Altitude up to 2 000 metres F Safety Designed for category III installations 300 V AC EN 61010 Protection against electric shock by class Il double isolation Installation Installation for the equipment is by panel panel drill 92 0 x 92 0 m m according to DIN 43 700 All connections must remain inside the electrical board Bear in mind that when the equipment is connected the terminals may be dangerous if touched Opening covers or removing parts may access parts which are dangerous if touched The equipment must not be used until it is fully installed The equipment must be connected to a power supply circuit protected with g IEC
9. press MIN to move back to the first digit allowing the previously set values to be changed again The integration period may vary between 1 to 60 minutes To enter the data and access the following setting step press COMPLETO NRG96 ING 18 CVM NRG96 Deletion of maximum Demand The display shows CLr Pd no CLr CLr Pd Pd na YES To select one of the two display options just press the MAX key and the two options will alternate Once the required option is selected press the key to enter the data and access the following setting step 4 Setting the main page and preferred energy Preferred page and fixed or rotating mode The display shows SEE PRSE URrS5 D D mMm 0 nm 5 Fixed page Default value display when switched on or the CVM NRG 96 started The MIN key has to be repeatedly pressed until the required default page is displayed to enter the page and access the following step the key has to be pressed Rotating page Display of all electrical parameters using the automatic rotation of the 12 screens in intervals of 5 seconds The MIN key has to be repeatedly pressed until all of the electrical magnitudes flash to enter the rotating function and access the following step the key has to be pressed COMPLETO NRG96 ING 19 CVM NRG96 Preferred Magnitude of Energy SEE dEF PASE Ener The display s
10. 0 bauds COMPLETO NRG96 ING 37 CVM NRG96 CIRCUTOR SA Vial Sant Jordi s n 08232 Viladecavalls BARCELONA SPAIN Tel 34 93 745 29 00 Fax 34 93 745 29 14 web http www circutor com e mail medida circutor es Technical assistance After sales department Vial Sant Jordi s n 08232 Viladecavalls BARCELONA SPAIN e mail medida circutor es COMPLETO_NRG96_ING 38
11. 00 90 00 00 00 60 CB 2E Number of the peripheral that is responding 10 in decimal Reading function the one used in the question Number of bytes received 20 V1x 10 record 00 Hex with value in decimal 212 5 V mA 1 in decimal 9000 mA W 1 in decimal 4000 W varL 1 in decimal 144 varL PF1 x 100 in decimal 96 CRC Character Each Modbus frame has a maximum limit of 20 variables 40 recordings COMPLETO NRG96 ING 34 CVM NRG96 Connection for the RS485 BUS The composition of the RS 485 cabling must be carried out with a meshed screen cable minimum 3 wire with a maximum distance of 1 200 metres between the CVM NRG96 and the master unit This Bus may connect a maximum of 32 CVM NRG96 analyzers RS 232 5 7 DB 9 le Pose ol 3 2 a 12 RS 232 RS 485 CONVERTER CVM O00 RS 485 N VA o LILID A B TT c GND CVM NRG 96 eee EID Model NRG96 ITF RS485 C Power Supply 230V 50 60Hz 2VA Measuring Range 300V P N 5A DAP GI en 5 Serial no 39441000001 C s vc 52 o S ivojos coco
12. 00001 C P2 PI P2 PL P2 P1 Se SO Lit led si Vu 2 St S2 1 S2 51 D c cojos co COMPLETO NRG96 ING 12 CVM NRG96 Operation Generic functions of the front keypad Key Reset Starting the equipment x Deletion of Maximum and Minimum values 2 This is equivalent to starting the equipment the absence of m voltage Key Display Displaying all variables by repeated presses PR Function key in set up menu pressing the Display key moves lt forward through different screens both on the configuration menu v p and the communications menu sd In runtime mode a long press keeping the key pressed for 2 seconds displays the energy meters Y Active Energy Consumed Y Reactive Inductive Energy Consumed Y Reactive Capacitive Energy Consumed Y Apparent energy Consumed Y Active energy Generated Y nductive Reactive Energy Generated Y Reactive Capacitive Energy Generated Y Apparent Energy Generated Key Max and Min Display of maximums or minimums for each variable displayed this function is only valid while the key is being pressed Once it is stopped being pressed the instant values appears again after five seconds Function keys in set up menu the MIN key selects the code or parameter to be changed and the MAX key assigns the corresponding cod
13. 269 or type M fuses between 0 5 and 2 A It must have an overload short circuit Switch or equivalent device in order to disconnect the equipment from the power supply The power supply circuit and the voltage measurement circuit is connected with a cable with a minimum cross section of 1 mm The secondary line for the current transformer shall have a minimum cross section of 2 5 COMPLETO NRG96 ING 7 CVM NRG96 Terminal list i o le POWER SUPPLY D Model NRG96 ITF RS485 C Power Supply 230V 50 60Hz 2VA Measuring Range 300V P N 5A A Output 24V 50m CAT 300V Serial no 39441000001 N P P P 520V S00V Vu 2 N EE PL APE PI P2 Pi Pe L1 L2 t 1 L3 i S2 Si S2 51 S2 Sr 200A OAR OANIEN 8 Note D A z o Terminal description 1 Power supply voltage input 2 Power supply voltage input 3 Transistor output RL1 4 Transistor output RL2 5 85 485 6 RS 485 7 RS 485 GND 8 Measurement VL1 9 Measurement VL2 10 Measurement VL3 11 Neutral measurement 12 Current input AL1 S2 13 Current input AL1 S1 14 Current i
14. 2F3 Harmonic 6 2B8 2B9 2D6 2D7 2F4 2F5 Harmonic 7 2BA 2BB 2D8 2D9 2F6 2F7 Harmonic 8 2BC 2BD 2DA 2DB 2F8 2F9 Harmonic 9 2BE 2BF 2DC 2DD 2FA 2FB Harmonic 10 2C0 2C1 2DE 2DF 2FC 2FD 926 Harmonic 11 2C2 2C3 2E0 2E1 2FE 2FF Harmonic 12 2C4 2C5 2E2 2E3 300 301 Harmonic 13 2C6 2C7 2E4 2E5 302 303 Harmonic 14 2C8 2C9 2E6 2E7 304 305 Harmonic 15 CA CB 2E8 2E9 306 307 Harmonic decomposition in CURRENT Instant RMS current A 1F4 1F5 212 213 230 231 mA Harmonic 2 1F6 1F7 214 215 232 233 Harmonic 3 1F8 1F9 216 217 234 235 Harmonic 4 1FA 1FB 218 219 236 237 Harmonic 5 1FC 1FD 21A 21B 238 239 Harmonic 6 1FE 1FF 21C 21D 23A 23B Harmonic 7 200 201 21E 21F 23C 23D Harmonic 8 202 203 220 221 23E 23F Harmonic 9 204 205 222 223 240 241 Harmonic 10 206 207 224 225 242 243 Harmonic 11 208 209 226 227 244 245 Harmonic 12 20A 20B 228 229 246 247 Harmonic 13 20C 20D 22A 22B 248 249 Harmonic 14 20E 20F 22C 22D 24A 24B Harmonic 15 210 211 22E 22F 24C 24D COMPLETO_NRG96_ING 33 CVM NRG96 Example of a MODBUSO question QUESTION 0A 04 00 00 00 0A 71 76 0A 04 00 00 00 0A 71 76 RESPONSE Peripheral number 10 in decimal Reading function Record at which the reading is to start Number of recording to be read 10 in decimal CRC Character 0A 04 14 00 00 08 4D 00 00 23 28 00 00 OF AO 00 00 00 90 00 00 00 60 CB 2E 0A 04 14 00 00 08 4D 00 00 23 28 00 00 OF AO 00 00
15. Bits The display shows SEE dRER bI ES B HE coun D This menu option is solely for information because data bits cannot be changed Then press the key to enter the data and access the following setting step Stop Bits The display shows SEE SEoP bIES P Uu unn EE ta U D Uu unn 7 MM Tor a To select one of the two display options just press the MAX key and the two options will alternate Once the required option is selected press the key to enter the data and access the following setting step COMPLETO NRG96 ING 29 CVM NRG96 2 Protection of measurement SETUP The display shows SEE UP unlo SEE BEE UP UP unLo Loc This menu option aims to protect the data set in the Measurement Setup As a default the equipment does NOT protect data with the _ oPElon And bY 551 n8 EHE enters the data and ends the configuration of the equipment If on the other hand the parmeters in Measurement Setup are to be protected the option L oc has to be selected using the MAX key and then the key must be pressed The protection password as a default will always be 12 34 any password code entered will be incorrect The display shows on the screen oucwn CS LP EE EE R55 R55 000 234 To write the protection password 1234 the MAX k
16. CIRCUTOR Power Analyzer CVM NRG96 CVM NRG96 User manual Extended version CVM NRG96 Checks on receipt This manual assists in the installation and use of the CVM NRG 96 power analyzer so that the best possible use can be gained from it On receipt of the equipment check the following e The equipment corresponds to the specifications in your order e Check that the equipment has not been damaged during delivery e Check that it has the correct instruction manual For safety reasons it is essential that anyone installing or handling the CVM NRG 96 follow the usual safety procedures as well as the specific warnings in this instruction manual Installing and maintenance for this analyzer must be carried out by a qualified person TABLE OF CONTENTS COMPLETO NRG96 ING 2 CVM NRG96 General features page 4 Installation and start up page 6 Power supply voltage eessee page 6 Maximum voltage in the measurement circuit page 7 Maximum admissible current page 7 Features ofthe transistor page 7 Operating conditions page 7 Safety ANOA page 7 Connection diagrams page 9 Operation b eee page 13 Setting menus page 14 Programming SETUP Measurement gt page 15 Status of Setup Measurement pag
17. G96 Magnitude Phase Symbol L1 Code Simple Voltage L3 V3 11 Current L3 A3 12 Active Power L3 kW 3 13 Reactive Power L C L3 KvarL C 3 14 Power Factor L3 15 THD V L3 THD V3 27 THD A L3 THD A3 30 Magnitude Symbol Code Simple Voltages V1 V2 V3 90 Currents A1 A2 A3 91 Active Powers kW1 kW2 92 Reactive Powers Kvar1 kvar2 kvar3 93 Power Factors 1 2 94 Compound Voltages V12 V23 V31 95 THD V Thd1 Thd2 Thd3 V 96 THD Thd1 Tha2 Thd3 A 97 Magnitude Symbol Code Magnitude Symbol Code Active Power III KW Ill 16 cos three phase cos 19 Inductive Power 111 kvarL Ill 17 Power Factor III PF IlI 20 Capacitive Power III kvarC III 18 Frequency Hz 21 Active Energy kWh 31 L1 L2 Voltage V 12 22 React Energy Inductive Kvarh L 32 L2 L3 Voltage V 23 23 React Energy Capacit Kvarh C 33 L3 L1 Voltage V 31 24 Apparent Power III 34 Maximum Demand Md 35 Maximum Demand L1 Md 35 Current Ill Alll 36 Maximum Demand L2 42 Neutral Current In 37 Maximum Demand L3 Md Pd 43 Variables only valid if the Maximum Demand for current has been set per phase There are also some variables which refer to the three phases at the same time Function OR If one of these variables has been selected the alarm will go off when any of the three phases meet the preset c
18. bits because of this two Words are required to request each parameter 4 bytes XX XX XX XX Function 05 Writing a relay COMPLETO NRG96 ING 31 CVM NRG96 MODBUS memory MODBUS VARIABLES Magnitude Symbol Instant Maximum Minimum Voltage Phase VL1 00 01 60 61 C0 C1 V x10 Current AL1 02 03 62 63 C2 C3 mA Active Power kW L1 04 05 64 65 C4 C5 w Reactive Power Kvar L1 06 07 66 67 C6 C7 w Power Factor PF L1 08 09 68 69 C8 C9 x 100 Voltage Phase VL2 0A 0B 6A 6B CA CB V x10 Current AL2 0C 0D 6C 6D CC CD mA Active Power kW L2 0E 0F 6E 6F CE CF w Reactive Power Kvar L2 10 11 70 71 D0 D1 w Power Factor PF L2 12 13 72 73 D2 D3 x 100 Voltage Phase VL3 14 15 74 75 D4 D5 V x10 Current AL3 16 17 76 77 D6 D7 mA Active Power kW L3 18 19 78 79 D8 D9 Reactive Power Kvar L3 1A 1B 7A 7B DA DB Power Factor PF L3 1C 1D 7C 7D DC DD x 100 Active Power III kW IlI 1E 1F 7E 7F DE DF w Inductive Power III KvarL Ill 20 21 80 81 E0 E1 w Capacitive Power III KvarC 22 23 82 83 E2 E3 w Cos Ill Cos q Ill 24 25 84 85 E4 E5 x 100 Power Factor III PF Ill 26 27 86 87 E6 E7 x 100 Frequency Hz 28 29 88 89 E8 E9 Hz x 10 Voltage Line L1 L2 V12 2A 2B 8A 8B EA EB V x10 Voltage Line L2 L3 V23 2C 2D 8C 8D EC ED V x10 Voltage Line L3 L1 V31 2b 2F 8E 8F EE EF V x10 THD V L1 96THD VL1 30 31 90 91 FO F1 x10 THD V
19. e 15 Simple or compound voltages ___ page 16 Transformation ratios page 16 Programming the power demand meter page 18 Programming the main page and preferred energy page 19 Backlight Back lighting of the display page 20 Deletion of Energy meters _ page 21 Programming THD ord eeeee page 21 Transistor digital output page 22 Programming SETUP Communications page 26 Setting communication parameters ___ page 27 Protection of SETUP measurement page 30 MODBUS protocol RTU eesesees page 31 MODBUS memory map page 32 RS485 connection page 35 FAQ S Frequently Asked questions page 36 COMPLETO NRG96 ING 3 CVM NRG96 General features The CVM NRG 96 panel analyzer is a programmable measuring instrument it offers a series of options for using it which may be selected from configuration menus on the instrument itself Before starting the analyzer carefully read sections power supply connection and setting and select the most suitable form of operation in order to obtain the required data The CVM NRG 96 measures calculates and displays the main electrical parameters in three phase balanced or unbalanced industrial systems Measure
20. e and or variable COMPLETO NRG96 ING 13 CVM NRG96 Configuration Menu TheCVM NRG96 analyzer has two configuration menus 1 MEASUREMENT SETUP from this menu the user can set the measurement parameters and the analyzer s different display options Measurement Setup Status locked or unlocked Simple or compound voltages Transformation ratios Power Demand Meter Setting Main page and preferred energy setting Backlight Backlit display Deletion of Energy meters 2 COMMUNICATIONS SETUP Configures the communication parameters speed parity stop bits etc it also accesses the locking menu using a password in the measurement SET UP Communication parameters setting Protection of measurement SETUP COMPLETO NRG96 ING 14 CVM NRG96 Setting MEASUREMENT SETUP The parameters for the CVM NRG 96 and all its functions are displayed and changed from this menu according to type it may start the eight energy meters and return maximum demand to zero Pd maximums and minimums recorded The analyzer does not store the changes to the settings until the whole setting program has been completed If it is RESET before the end of the setting process the configuration entered is not stored in the memory E To access MEASUREMENT SETUP the MAX and MIN keys have to pressed at the same time until setting mode is entered On entering setting mode the message SEEUP unto or as
21. ed is seen to give incoherent Power factor and Cos III reading 0 01 or similar This is again a current transformer and voltage phase connection error phase L1 R must correspond to the current transformer installed in phase L1 R phase L2 S must correspond to the current transformer installed in phase L2 S and phase L3 T must correspond to the current transformer installed in phase L3 T This connection is clearly shown on the back of the analyzer COMPLETO NRG96 ING 36 CVM NRG96 The CVM NRG96 analyzer does not correctly display the current reading It shows values varying between 0 to 5 amps of current Ensure that the Transformer Primary ratio has been correctly set once correctly set the current measurement shall be shown correctly extrapolated to primary see section on transformer ratios The CVM NRG96 analyzer is measuring in average voltage and is displaying the secondary voltage for example 110 volts Ensure that the Primary and Secondary voltage ratio has been correctly set see section on transformer ratios The CVM NRG96 analyzer does not respond to communications requests it does not communicate Ensure that the equipment s communication parameters have been correctly set as well as the peripheral number 0 to FF The CVM NRG96 analyzer is connected to the Power Studio System and it does not communicate with the PC Ensure that the analyzer has been set with a Bus speed of 19 20
22. er primary value repeatedly press the MAX key increasing the value of the digit which is flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again To enter the data press COMPLETO NRG96 ING 17 CVM NRG96 3 Setting the Power Demand Meter Magnitude to Integrate The display shows SEE Pd CadE followed by two digits which identify the code or variable to be integrated as Maximum Demand None 00 Three phase active power 16 Three phase apparent power kV A III Three phase current Alll 3B Current per phase A1 A2 A3 The MAX key allows the selection of the Maximum Demand variable to be integrated Once selected to access the next setting step press Integration Period The display shows SEE Pd PEr Follo_Ed t o di 8I E5 hich ILL ldEnEI FH thE PErlad oF IntESrREl on For EHE SELEcEEd R8nl EudE E mam zu To write or change the value of the integration period repeatedly press the MAX key increasing the value of the digit which is flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed
23. ey has to be repeatedly pressed increasing the value of the digit flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again Once the password protection has been set the 2 key must be pressed entering the data and ending the configuration of the equipment In the event that the measurement SETUP parameters are to be changed again the equipment has to be first unlocked by the same procedure position Loc and the appropriate changes are made COMPLETO NRG96 ING 30 CVM NRG96 MODBUSe Protocol The CVM NRG96 power analyzers communicate by using MODBUSO protocol described below In the MODBUS protocol the RTU Remote terminal Unit mode is used each 8 bit byte in a message contains two 4 bits hexadecimal characters The format for each byte in RTU mode Code 8 bit binary hexadecimal 0 9 A F 2 hexadecimal characters contained in each 8 bit field in the message Bits per byte 8 data bits Field Check Error CRC Type Cyclical Redundancy Check Modbus functions used Function 01 Reading the status of the relays Function 03 and 04 Reading n Words 16 bits 2 bytes Function used for reading the electrical parameters that the CVM NRG96 is measuring All electrical parameters are long with 32
24. ge the value of the transformer primary value repeatedly press the MAX key increasing the value of the digit which is flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again To enter the data and access the next setting step press COMPLETO NRG96 ING 16 CVM NRG96 Transformer Voltage Secondary The display shows SEE Uolt SEc followed by three digits these allow the setting of the transformer voltage secondary un EU con FT rm To write or change the value of the transformer secondary value repeatedly press the MAX key increasing the value of the digit which is flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again To enter the data and access the following setting step press 2 Transformer current primary The display shows SEE Curr Pri followed by five digits these allow the setting of the transformer current primary ONU ED OT 7 To write or change the value of the transform
25. hows SEE PAGE EnEr and the Active Energy symbol KWh flashes By repeatedly pressing the MAX key the required energy magnitude is selected This may be Magnitude of Energy Direction Symbol Active Energy Consumption kWh Inductive Reactive Energy Consumption kvarL h Capacitive Reactive Energy Consumption kvarC h Apparent Energy Consumption kVA h Active Energy Generation kW h Inductive Reactive Energy Generation kvarL h Capacitive Reactive Energy Generation kvarC h Apparent Energy Generation kVA h 5 Backlight Backlit display Backlight timer The display shows SEE di SP off SE di o NUNT 0 Indicates the screen protector time in seconds Backlight Once the energy has been selected press the key to enter the data and access the next setting step disconnecting the COMPLETO NRG96 ING 20 CVM NRG96 00 Backlight permanently on Oo Backlight on from 1 to 60 seconds These values t refer to the time from the last time the equipment was used via the keypad 6 Deletion of Energy meters Deletion of the eight Energy meters The display shows CLr EnEr no Cher LLr EnEr EnEr no YES To select one of the two display options just press the MAX key and the two options will alternate Once the required option is selected press the key to enter the data and
26. ments are taken in true effective value using the three alternating voltage inputs and three current inputs to measure 5 A secondaries from external measurement toroids With its processor the measurement station allows simultaneous analysis of MAGNITUDE UNIT L Simple Voltage V Compound voltage V Current A ee Frequency Hz Active power kW Reactive Power L kvarL Reactive Power C kvarC Apparent Power kVA Power Factor PF Cos 9 Cos 9 Maximum Demand Pd Neutral Current IN Voltage THD THD V Current THD THD A kWh consumption and generation Wh kvarh L consumption and generation W h kvarh C consumption and generation Wh kVAh consumption and generation W h Harmonic decomposition V and A 26 15th Y Available through display and communications Only available through communications v Harmonic decomposition in model HAR COMPLETO NRG96 ING 4 CVM NRG96 The CVM NRG 96 allows the display of all electrical parameters shown above using the back lit LCD display showing 4 instant electrical parameters maximum or minimum on each page jump Other features Small sized instrument 96x96x50 Measurement in true effective value Instant maximum minimum values for each parameter Energy measurer function 1 GW h in consumed energ
27. nput AL2 S2 15 Current input AL2 S1 16 Current input AL3 S2 17 Current input AL3 S1 Internally terminals 13 15 and 17 are joined to terminal 6 Neutral The current inputs 5 A are isolated in model ITF COMPLETO NRG96 ING 8 CVM NRG96 Connection diagrams A Three phase system measurement with 4 wire connection Low Voltage and three external current transformers Power supply AC Version Plus DC le POWER SUPPLY OUTPUT RS485 D SD 20S SE Model NRG96 ITF RS485 C Power Supply 230V 50 60Hz 2VA Measuring Range 300V P N 5A g Output 24V 50m CAT 300V Serial no 39441000001 Vt 2 go si 2 51 52 S 80109190 Power supply Plus Terminal Description 1 VDC 2 V DC COMPLETO NRG96 ING 9 CVM NRG96 B Three phase system measurement with 3 wire connection Low Voltage and three external current transformers Power supply AC Version Plus DC POWER SUPPLY OUTPUT RS485 S amp ooos Mon Model NRG96 ITF RS485 C Power Supply 230V 50 60Hz 2VA Measuring Range 300V P N 5A tput 24V 50mA Ou CAT
28. onditions Magnitude Symbol Code Simple Voltages V1 V2 V3 90 Currents A1 A2 A3 91 Active Powers kW1 kW2 kW3 92 Reactive Powers Kvar1 kvar2 kvar3 93 Power Factors 1 2 94 Compound Voltages V12 V23 V31 95 THD V Thd1 2 Thd3 V 96 THD I Thd1 Thd2 Thd3 A 97 COMPLETO_NRG96_ING 24 CVM NRG96 Once the Alarm Condition code has been selected and the data entered using the key the maximum value minimum value and the delay hysteresis for the alarm condition must be entered Dut Dut HI Lo 0000 00005 C2 carnc corr D Hi Maximum value transistor closed above this value Lo Minimum value transistor closed below this value Delay Delay in seconds from the connection and disconnection of the transistor To write or change the maximum and minimum values the MAX key has to be pressed increasing the value of the digit flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again In order to enter one of the data press the key moving on to the next setting step Once the delay has been set the key must be pressed entering the data and ending the configuration
29. pacitive Reactive Energy Generated 111 KvarC h III 47 Apparent Energy Generated III kVA h III 48 COMPLETO_NRG96_ING 22 CVM NRG96 Once the energy code has been selected and entered using the the watts per pulse must be entered or as a default kilowatts per pulse Dut PuLS REE 00 000 Example 000 500 500 watts h pulse 00 15800 1 5 kilowatts h pulse To write or change the watts hour pulse the MAX key has to be repeatedly pressed increasing the value of the digit flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again Once the required option is selected press the to enter the data and so finish the equipment configuration Setting alarm condition Alarm code table per condition Magnitude Phase Symbol L1 Code Simple Voltage L1 V1 01 Current L1 A1 02 Active Power L1 kW 1 03 Reactive Power L C L1 KvarL C 1 04 Power Factor L1 PF 1 05 THD V L1 THD V1 25 96 THD A L1 THD A1 28 Simple Voltage L2 V2 06 Current L2 A2 07 Active Power L2 kW2 08 Reactive Power L C L2 KvarL C 2 09 Power Factor L2 PF 2 10 THD V L2 THD V2 26 96 THD A L2 THD A2 29 COMPLETO_NRG96_ING 23 CVM NR
30. tion is CdEF no Peripheral number The display shows SEE nPEr ODO P COMPLETO NRG96 ING 27 CVM NRG96 To write or change the number of the peripheral repeatedly press the MAX key increasing the value of the digit which is flashing at the time When the required value is on the screen move on to the following digit by pressing MIN to allow the remaining values to be changed When the last digit has been changed press MIN to move back to the first digit allowing the previously set values to be changed again The peripheral number varies between 0 and 255 0 and FF in hexadecimal To enter the data and access the following setting step press Transmission speed The display shows SEE bRud rREE 9600 SEE bRud CHEE 9600 To vary the peripheral transmission speed repeatedly press MAX changing the value of the different communications options Available speeds are 1 200 2 400 4 800 9 600 or 19 200 bps Once the required selection has been made the next setting step is accessed by pressing 2 Parity The display shows SEE PAri no SEE SEE PAF PAF EY no YES To select one of the two display options just press the MAX key and the two options will alternate COMPLETO_NRG96_ING 28 CVM NRG96 Once the required option is selected press the key to enter the data and access the following setting step Data
31. y 100 MW h in generated energy Backlit LCD display RS485 communications Modbus RTU included Available models CVM NRG96 CODE CVM NRG96 M51800 CVM NRG96 ITF M51900 CVM NRG96 ITF RS485 C M51911 CVM NRG96 ITF RS485 C HAR M51B11 CVM NRG96 ITF Plus RS485 C M51A11 COMPLETO NRG96 ING 5 CVM NRG96 Installation and start up This manual contains information and warnings that must be followed by the user to ensure the safe operation of the equipment and to maintain it in a safe condition The analyzer must not be switched on until it is finally attached to the electrical board IF THE EQUIPMENT IS HANDLED IN AWAY NOT SPECIFIED BY THE MANUFACTURER THE EQUIPMENT S PROTECTION MAY BE COMPROMISED When it is likely that the equipment has lost its protection with visible damage it must be disconnected from the auxiliary supply In this event contact a qualified technical service representative Installing the equipment Check the following points before switching the equipment on a Power supply voltage b Maximum voltage in the measurement circuit c Maximum admissible current d Features of the transistor digital output Operating conditions f Safety A Power supply voltage Standard version Power supply 230V AC Frequency 50 60 Hz Power supply tolerance z 15 10 Connection board Terminals 1 2 Power Supply Consumption
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