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Universal Utility Meter
Contatore Universale

USER MANUAL
MANUALE ISTRUZIONI

WM24-96

Modular system
Tecnologia modulare

CARLO GAVAZZI

A u t o m a t i o n   C o m p o n e n t s

Summary of Contents for WM24-96 - PROGRAMMING

Page 1: ...Universal Utility Meter Contatore Universale USER MANUAL MANUALE ISTRUZIONI WM24 96 Modular system Tecnologia modulare CARLO GAVAZZI A u t o m a t i o n C o m p o n e n t s ...

Page 2: ...king experience of many decades and a widespread presence all over the world All this because we want our customers to have the top service and the top products Welcome in the Carlo Gavazzi world and compliments for your smart choice Visit our website and evaluate our range of products www carlogavazzi com THA N K Y O U F O R C H O O S I N G C A R L O G A V A Z Z I CARLO GAVAZZI A u t o m a t i o ...

Page 3: ...Access to the energy meters menus 13 The functions of the Energy Meters submenu 13 Digital outputs 16 Digital output 1 16 Pulse digital output 16 Alarm digital output 18 Digital output 2 19 Setting of serial communication port address 20 Digital filter 20 End of programming 21 Reset of total gas water energy meters 21 Reset of partial gas water energy meters 22 How to prevent key pad programming 2...

Page 4: ...rder to achieve the best results with your instrument we recommend you to read this instruction manual carefully HOW TO USE THE SYMBOLS Go to the page where the previous main subject is described Go to the page where the next main subject is described Go to the page where the subject written on the top of the current page starts Go to the page where the subject written on the top of the current pa...

Page 5: ...ack lighted LCD Display Display previous page Display next page Access to programming or setting confirmation Front Panel Description List and Description of Displayed Measuring Pages kW PF kvar Hz kW PF kVA Hz kW dmd kVA dmd Serial communica tion status r Rx t Tx only with serial communicat module inserted ...

Page 6: ... the measuring mode it means the alarm is ON 5 To begin with Programming 3 Index 4 9 8 VL1 N VL2 N VL3 N V A L1 A L2 A L3 W L1 W L2 W L3 PF L1 PF L2 PF L3 PF kvar L1 kvar L2 kvar L3 kVA L1 kVA L2 kVA L3 A n Multiplyer ...

Page 7: ...ase reactive powers of quadrant 4 only Consumed capacitive reactive energy integration of the sum of single phase reactive powers of quadrant 2 only Generated inductive reactive energy integration of the sum of single phase reactive powers of quadrant 3 only Consumed inductive reactive energy integration of the sum of single phase reactive powers of quadrant 1 only Generated active energy integra ...

Page 8: ... in the tot selection as well as If you choose tot 2 Cn the instrument displays all the pages displayed in the tot selection as well as Consumed active energy inte gration of the sum of positive sin gle phase active powers only GAS meter as m3 night tariff GAS meter as m3 day tariff Total WATER meter as m3 Total GAS meter as m3 ...

Page 9: ... 2 3 and 4 Active energy consumed during tariff 1 integration of the system active power only if positive same is for tariff 2 3 and 4 Consumed total reactive energy integration of the system reactive power only if positive Consumed total active energy integration of the system active power only if positive The scrolling of the measuring pages is cyclic at the end of the cycle you go back to the f...

Page 10: ... play phase press the key when the instrument asks for the pass word enter the correct PASS value by means of the and keys afterwards confirm by means of the key If the password is correct when the instrument is new the password is 0 the instrument goes to the main functions menu S S S S Change Password This function allows the operator to choose the desired password value from 0 to 1000 Choose th...

Page 11: ...d system by means of the and keys and confirm with S S S S S S 1 2 2 1 CT ratio This function allows the user to select the value of the CT ratio Example if the CT primary current transformer has a current of 300A and the secondary has a current of 5A the CT ratio corresponds to 60 obtained by carrying out the fol lowing calculation 300 5 Choose the Ct rAtio function by means of the and keys to en...

Page 12: ...culation 20000 100 Choose the Vt rAtio function by means of the and keys to enter the menu press then select the desired value by means of the and keys and con firm it with By changing the VT and CT ratio the energy meters are reset S S S S 1 2 2 1 Dmd calculation This function allows the user to select the integration time of the W and VA demand value To enter these functions select P int t from ...

Page 13: ...enables the WM24 96 by means of the digital inputs to start the integration of the power demand at the same time as the official watthour meter The syn chronization can be carried out in two ways Without digital input module the reset and the start of the energy integration are carried out when the instrument is switched on With the digital input module the synch starts when one of the digital inp...

Page 14: ...f the and keys it s possible to scroll all the functions relating to the energy meters that will be described in detail below S S S The functions of the Energy Meters submenu Choose the desired function by means of the and keys press to confirm It s possible to choose the following combina tions tot it enables the combination of total and partial meters see page 6 tot Prd it enables the combinatio...

Page 15: ... enables the combination of total energy meters and Water and Gas meters see also Display pages on page 7 Press to select PrESCAL Cn1 then enter by means of the keys the weight of every pulse of the IN3 digital input of the water meters confirm with and go to the PrESCAL Cn2 submenu Enter by means of the keys the weight of every pulse of the IN2 digital input of the Gas meter then confirm with S S...

Page 16: ... Cn Display of total en meters and GAS day night tariff Setting tot 2 Cn Display of total energy meters GAS and WATER RESULT Tariff 1 Tariff 2 Tariff 3 Tariff 4 GAS night tariff GAS day tariff DIGITAL INPUTS IN 3 ON ON OFF OFF ON OFF OFF ON Increase of GAS meters Increase of WATER meters Increase of GAS meters ON ON IN 2 The pulse corresponds to an increase of the various meters by the pre set wei...

Page 17: ...e following options PUL access to the retransmission functions of the totalized energy by means of pulses see pulse dig ital output ALr access to alarm functions see alarm digital output To enter to relevant menu press rEn enables the activation of the output by means of the serial communication Confirm with to enable the function Pulse digital output Select diGout1 PUL by means of the and keys pr...

Page 18: ...uctive kvarh ind gen inductive kvarh CAP cons capacitive kvarh CAP gen capacitive IF THE SELECTION IS tot Prd kWh tot total energy meter kvarh tot total en meter kWh t1 energy meter tariff 1 kvarh t1 energy meter tariff 1 and so on for the other tariffs t2 t3 t4 EXAMPLE OF DISPLAY Scroll the energy meters displayed by means of and choose the desired one by means of then the instru ment displays th...

Page 19: ...m with rnG choose the decimal point position on activation set point value of the variable over which the alarm is acti vated Select the value of the variable by means of the and keys and confirm it with oFF deactivation set point value of the variable over which the alarm is deactivated Select the value of the variable by means of the and keys and confirm it with nd normally de energized output w...

Page 20: ...eys up to 255 seconds and confirm with S S Digital output 2 1 2 2 1 S S Digital Output 2 PUL access to the retransmission functions of the totalized energy by means of pulses see pulse digital output on page 16 ALr access to alarm functions see alarm output on page 18 To enter the relevant menu press rEn enables the activation of the output by means of the serial com munication Confirm with to ena...

Page 21: ...elect the parameters to be set with the and keys to enter the menu press There are two parameters rnG sets the operating range of the digital filter The value is expressed as of the full scale value set the desired value from 0 to 100 by means of the and keys and confirm it with S S S Coe sets the filtering coefficient of the instantaneous measure ments Set the desired value from 1 to 16 by means ...

Page 22: ...m the main menu by means of the and keys confirm it with S Measuring mode S S S S RESET Reset of total meters Select rESEt tot from main menu by means of the keys then confirm with When the instrument asks for the reset choose by means of the keys no to avoid the reset or yes to confirm it Then press to carry out the com mand S S Instrument revision ...

Page 23: ...put module if present 22 Programming What is ASY 17 Retransmittable meters 10 24 Reset of partial meters Select rESEt Prt from the main menu by means of the keys then confirm with When the instrument asks for the reset choose by means of the keys no to avoid the reset or yes to confirm it Then press to carry out the com mand S S S S RESET Turn the switch using a little screwdriver Free programming...

Page 24: ... s rated value calculated as follows 228 222 2 3V then 3 100 231V 1 3 where 231V is the phase neutral rated value of a 400V input range The range parameter that corresponds to the action range of the digital filter is set at a value which is slightly higher than the percentage amplitude of the fluctuation e g 2 CoE if the new value acquired by the instrument is with in the filter s action range th...

Page 25: ...2 N VL3 N Vavg is the average VL1 N VL2 N VL3 N 3 The variable is not displayed by the instrument but can be retransmitted by the analogue or RS422 485 output and can be controlled by means of the alarm Retransmitted variables Vmax Vmin Vavg 100 ASY N Variable 3 ph with 3 ph with Notes neutral out neutral 1 V L NΣ x Σ system 2 V L LΣ x x Σ system 3 WΣ x x Σ system 4 varΣ x x Σ system 5 VAΣ x x Σ s...

Page 26: ...e following table Displaying of programming menu It may be useful to know that the menus displayed by the instrument depend on its configuration e g the instrument will not display the menu rel evant to the digital outputs if the optional module is not inserted It is important that the instrument is switched off when you plug in or disconnect the modules ON OFF ALARM TYPE VALUES STATUS ON OFF UP O...

Page 27: ...t insert the modules in the relevant slots then at the end enter the central module which can be a blind type module or an RS232 communication module The central module will help fixing also the other modules in the relevant slots To remove the modules use a screwdriver as shown in the picture below Gently depress the two fixing tabs Directions 1 4 1 Remove the central module from its slot press y...

Page 28: ...Overall dimensions and panel cut out Mounting Insert the instrument holding its front and fasten it from the back by fixing the two lateral brackets 1 supplied with the instrument to the appropriate location 2 using the two screws 3 supplied with the instrument 1 3 2 ...

Page 29: ...on Optional Modules 23 E g Use of Digital Filter 26 30 35 Position of the slots and relevant modules Available modules Relay digital output modules A B C D PU PS IM AO1058 Single relay output AO1035 Dual relay output ...

Page 30: ...2 serial port RS232 serial port Single relay output Single open collector output Dual relay output Dual open coll output 3 digital inputs 3 digital inputs AUX Power supply Measuring inputs Open collector digital output modules AO1059 Single open collector output AO1036 Dual open collector output ...

Page 31: ...l inputs aux AR1034 RS485 422 serial port AR1039 RS232 serial port AP1020 90 260 VAC DC Power supply AP1021 18 60VAC DC Power supply AP1025 24VAC Power supply AP1024 48VAC Power supply AP1023 115VAC Power supply AP1022 230VAC Power supply Digital input modules Serial port modules Power supply modules ...

Page 32: ...35 35 Connection by NPN transistor AQ1042 Digital input module Connection by contacts AQ1042 Digital input module Connection by contacts AQ1038 Digital input module Connection by PNP transistor AQ1042 Digital input module Optional module connections Digital inputs ...

Page 33: ... module The value of the load resistances Rc must be chosen so that the short circuit current is lower than 100mA the VDC voltage must be lower than or equal to 30 VDC Relay output Open collector output AO1058 Single relay output AO1035 Dual relay output AO1059 Single open collector output AO1036 Dual open collector output ...

Page 34: ...3 N are connected in paral lel 2 wire connection Additional devices provided with RS485 RS422 that is RS 1 2 3 N are connected in par allel The termination of the serial output is carried out only on the last instrument of the network by means of a jumper between Rx and T We recommend you to use the 4 wire connection by means of the serial port the data are exchanged faster ...

Page 35: ... diagrams Single phase connection Three phase 4 wire unbalanced load L1 N L1 N L3 L2 U 1 3 5 2 4 6 I L1 L2 L3 8 7 10 9 CT and VT connections CT connection L1 N L1 N L3 L2 U 1 3 5 2 4 6 I L1 L2 L3 8 7 10 9 CT connection 4 wire system CT and VT connections 4 wire system ...

Page 36: ...atures 33 Serial Connection 26 39 CT connection 3 wire system ARON CT and VT connections 3 wire system ARON ARON connection 3 phase 3 wire unbalanced load CT and VT connections 3 wire system 3 CT and 3 VT connections 3 wire system ...

Page 37: ...ergy 1 Pn 2dgt 25 C 5 C R H 60 Temperature drift 200ppm C Display refresh time 700ms Display Back lighted LCD 70 x 38mm 4x3 1 2 dgt instantaneous variables 1x7 1 2 dgt energy meters Measurements Current voltage power power factor frequency energies TRMS measurements of distorted waves Coupling type direct Input impedance 208VLL 5 6 AAC AV4 200 kΩ phase neutral 400VLL 5 6 AAC AV5 900 kΩ phase neutr...

Page 38: ...power supply input RS232 optional Bidirectional static and dynamic variables Connections 3 wires max distance 15m Data format 1 start bit 8 data bit no parity 1 stop bit Baud rate 9600 bauds Protocol MODBUS JBUS Other features as per RS422 485 Pulse outputs optional Number of outputs Up to 2 Type from 1 to 100 programmable pulses VON 1 2 VDC max 100 mA VOFF 30 VDC max The outputs can be connected ...

Page 39: ... 5A 24VDC AC 15 2 5A 250VAC DC 13 2 5A 24VDC Min response time 150 ms filters excluded FFT exclud ed on time delay 0 Insulation 4000 VRMS between output and measuring input 4000 VRMS between output and power supply input Notes Outputs can be open collector type or relay type for the open collector type refer to the technical features described in the pulse outputs Digital inputs AQ 1038 N of input...

Page 40: ...ax Power dmd Integration time programmable from 1 to 30 min Filter operating range from 0 to 100 of the electrical input scale Filtering coefficient 1 to 16 Filtering action measurements alarms serial output Display up to 4 variables per page 3 phase system with neutral Page 1 V L1 V L2 V L3 V LN Page 2 AL1 AL2 AL2 Page 3 W L1 W L2 W L3 Page 4 VA L1 VA L2 VA L3 Page 5 var L1 var L2 var L3 Page 6 P...

Page 41: ...e dis play or by means of contact if module 3 input contacts is present Insulation 4000 VRMS between inputs outputs and ground Dielectric strength 4000 VRMS for 1 minute EMC Emissions EN50082 1 class A residential commercial and light industry environment Immunity EN 61000 6 2 class A industrial environment Other standards Safety IEC 61010 1 EN 61010 1 Product IEC 60688 1 EN 60688 1 Approvals CE 5...

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