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Camille Bauer CENTRAX CU3000, Device Handbook

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Camille Bauer CENTRAX CU3000 Device Handbook Download Page 19

PM 1001606 000 07  

Device handbook CENTRAX CU3000-CU5000

 

 

  19/106

 

Three wire system, unbalanced load 

 

 

Direct connection 

 

With current transformers 

 

With current and 3 single-pole isolated 
voltage transformers 

 

 

L1

L2

L3

N

I1

3

1

I2

4

I3

9

7

IN

PE

6

10

12

16

11

2

5

8

L1

L2

L3

5 A

(UL listed)

L1

L2

L3

N

I1

3

1

I2

4

I3

9

7

IN

PE

6

10

12

16

11

2

5

8

L1

L2

L3

K

k

L

l

K

k

L

l

K

k

L

l

5 A

(UL listed)

L1

L2

L3

N

I1

3

1

I2

4

I3

9

7

IN

PE

6

10

12

16

11

2

5

8

L1

L2

L3

K

k

L

l

K

k

L

l

K

k

L

l

L1

L2

L3

N

I1

3

1

I2

4

I3

9

7

IN

6

10

12

16

11

2

5

8

x

u

X

U

X

U

X

U

x

u

x

u

5 A

(UL listed)

Summary of Contents for CENTRAX CU3000

Page 1: ...RAX CU3000 CU5000 Operating Instructions CENTRAX CU3000 CU5000 2018 11 Camille Bauer Metrawatt AG Aargauerstrasse 7 CH 5610 Wohlen Switzerland Phone 41 56 618 21 11 Telefax 41 56 618 35 35 E Mail info cbmag com http www camillebauer com ...

Page 2: ...el are also able to understand and follow the given safety and warning notices Intended use The product described in this document may be used only for the application specified The maximum electrical supply data and ambient conditions specified in the technical data section must be adhered For the perfect and safe operation of the device proper transport and storage as well as professional assemb...

Page 3: ...y UPS 29 5 13 GPS time synchronization 30 6 Commissioning 32 6 1 Parametrization of the device functionality 33 6 2 Operating LED CU5000 only 33 6 3 Installation check 33 6 4 Ethernet installation 35 6 4 1 Settings 35 6 4 2 Connection of the standard interface 37 6 4 3 Connection of the IEC61850 interface 38 6 4 4 MAC addresses 38 6 4 5 Communication tests 38 6 4 6 Resetting the communication sett...

Page 4: ...n 72 8 12 Reset 73 8 13 Project management 74 8 14 Services 74 8 13 Example projects 74 9 Service maintenance and disposal 75 9 1 Calibration and new adjustment 75 9 2 Cleaning 75 9 3 Battery 75 9 4 Disposal 75 10 Technical data 76 11 Dimensional drawings 82 Annex 83 A Description of measured quantities 83 A1 Basic measurements 83 A2 Harmonic analysis 87 A3 System imbalance 88 A4 Mean values and t...

Page 5: ...neral knowledge in the field of electrical engineering is required For assembly and installation of the device knowledge of applicable national safety regulations and installation standard is required 1 2 Scope of supply Measurement device Safety instructions multiple languages Mounting set 2 mounting clamps CU3000 only Battery pack optional for devices with UPS only 1 3 Further documents The foll...

Page 6: ...systems supplemented by a freely programmable control application based on CODESYS A full parameterization of all functions of the device is possible directly at the device for versions with display or via web browser The control application is created using the CODESYS development environment can access all measurement data of the device process these values logically and mathematically and pass ...

Page 7: ...Slide the device into the cutout from the outside b From the side slide in the mounting clamps into the intended openings and pull them back about 2 mm c Tighten the fixation screws until the device is tightly fixed with the panel Demounting of the device The demounting of the device may be performed only if all connected wires are out of service Remove all plug in terminals and all connections of...

Page 8: ...PM 1001606 000 07 Device handbook CENTRAX CU3000 CU5000 8 106 4 2 CENTRAX CU5000 The device can be clipped onto a top hat rail according to EN 60715 Dimensional drawing CU5000 See section 11 ...

Page 9: ...be adhered to The national provisions have to be observed in the installation and material selection of electric lines e g in Germany VDE 0100 Conditions concerning the erection of heavy current facilities with rated voltages below 1000 V Nameplate of a CU3000 with Ethernet interface Modbus RTU interface 4 relay outputs 4 analog outputs Nameplate of a CU5000 with TFT display Ethernet interface Mod...

Page 10: ...ion 2 Option 3 Option 4 2 relay outputs 1 1 51 52 53 1 2 55 56 57 2 1 61 62 63 2 2 65 66 67 3 1 41 42 43 3 2 45 46 47 4 1 31 32 33 4 2 35 36 37 2 analog outputs 1 1 56 57 1 2 55 57 2 1 66 67 2 2 65 67 3 1 46 47 3 2 45 47 4 1 36 37 4 2 35 37 4 analog outputs 1 1 56 57 1 2 55 57 1 3 52 53 1 4 51 53 2 1 66 67 2 2 65 67 2 3 62 63 2 4 61 63 3 1 46 47 3 2 45 47 3 3 42 43 3 4 41 43 4 1 36 37 4 2 35 37 4 ...

Page 11: ...4 3 4 digital inputs passive 1 1 X1 1 X1 3 1 2 X1 2 X1 3 1 3 X2 1 X2 3 1 4 X2 2 X2 3 2 1 X3 1 X3 3 2 2 X3 2 X3 3 2 3 X4 1 X4 3 2 4 X4 2 X4 3 5 3 Possible cross sections and tightening torques Inputs L1 2 L2 5 L3 8 N 11 PE 16 I1 1 3 I2 4 6 I3 7 9 IN 10 12 power supply 13 14 Single wire 1 x 0 5 6 0mm 2 or 2 x 0 5 2 5mm 2 Multiwire with end splices 1 x 0 5 4 0mm 2 or 2 x 0 5 2 5mm 2 Tightening torque...

Page 12: ... clearly labeled circuit breaker or a fused disconnect switch When using voltage transformers you have to ensure that their secondary connections never will be short circuited No fuse may be connected upstream of the current measurement inputs When using current transformers their secondary connectors must be short circuited during installation and before removing the device Never open the seconda...

Page 13: ... omitted If voltage UNE does not need to be measured connection of PE can be omitted With current and voltage transformer If current IN or voltage UNE does not need to be measured the corresponding transformers can be omitted L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 N 5 A UL listed PE L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 N 5 A UL listed K k L l K k L l PE L1...

Page 14: ...se of current measurement via L2 or L3 connect the device according to the following table Terminals 1 3 2 5 8 Current meas via L2 I2 k I2 l L2 L3 Current meas via L3 I3 k I3 l L3 L1 L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2...

Page 15: ...In case of current measurement via L2 or L3 connect the device according to the following table Terminals 1 3 2 5 8 Current meas via L2 I2 k I2 l L3 L1 Current meas via L3 I3 k I3 l L1 L2 L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16...

Page 16: ...se of current measurement via L2 or L3 connect the device according to the following table Terminals 1 3 2 5 8 Current meas via L2 I2 k I2 l L2 L1 Current meas via L3 I3 k I3 l L3 L2 L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2...

Page 17: ...e following table Terminals 1 3 2 5 8 Current meas via L2 I2 k I2 l L2 L3 L1 Current meas via L3 I3 k I3 l L3 L1 L2 By rotating the voltage connections the measurements U12 U23 and U31 will be assigned interchanged L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l 5 A UL listed L1 L2 L3 N I1 3 1 I...

Page 18: ...f voltage UNE does not need to be measured the corresponding transformer can be omitted In case of current measurement via L2 or L3 connect the device according to the following table Terminals 1 3 2 11 Current meas via L2 I2 k I2 l L2 N Current meas via L3 I3 k I3 l L3 N L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 N 5 A UL listed PE L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12...

Page 19: ...voltage transformers L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l K k L l K k L l 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l K k L l K k L l L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN 6 10 12 16 11 2 5 8 x u X U X U X U x u x u 5 A UL listed ...

Page 20: ...rs With current and 3 single pole isolated voltage transformers L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l K k L l 5 A UL listed L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 K k L l K k L l x u X U X U X U x u x u 5 A UL listed ...

Page 21: ...s not need to be measured the corresponding transformer can be omitted With current and voltage transformer If current IN does not need to be measured the corresponding transformer can be omitted L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 N 5 A UL listed PE L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 N K k L l K k L l K k L l 5 A UL listed PE K k L l L1 L...

Page 22: ... does not need to be measured the corresponding transformer can be omitted With current and voltage transformer If current IN does not need to be measured the corresponding transformer can be omitted L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 N 5 A UL listed PE N L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 L3 N 5 A UL listed PE N K k L l K k L l K k L l K k ...

Page 23: ...thout a primary neutral conductor a voltage transformer with a secondary center tap can also be used L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 N 5 A UL listed PE L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 N K k L l K k L l 5 A UL listed K k L l PE L1 L2 L3 N I1 3 1 I2 4 I3 9 7 IN PE 6 10 12 16 11 2 5 8 L1 L2 N K k L l K k L l 5 A UL listed K k L l u U v V u U...

Page 24: ...xtension y x 1 5 2 6 3 4 4 3 5 7 Digital inputs The device provides a standard passive digital input In addition depending on the device version there may be 4 channel passive or active digital input modules available Usage of the standard digital input Status input Meter tariff switching Usage of the inputs of the optional input modules Counting input for pulses of meters for any kind of energy p...

Page 25: ... an external counter acc EN62053 31 Remote controlled output CU3000 CU5000 1 Recommended if input impedance of counter 100 kΩ Driving a counter mechanism The width of the energy pulses can be selected within a range of 30 up to 250ms but have to be adapted to the external counter mechanism Electro mechanical meters typically need a pulse width of 50 100ms Electronic meters are partly capable to de...

Page 26: ...alog input card of a PLC or a control system The device is an isolated measurement device The individual outputs are galvanically connected but the modules are isolated from each other To reduce the influence of disturbances shielded a twisted pair cables should be used The shield should be connected to earth on both opposite ends If there are potential differences between the ends of the cable th...

Page 27: ...esidual current transformer 500 1 up to 1000 1A Rated burden 100 Ω 0 025 VA up to 200 Ω 0 06 VA Use only transformers intended for this application according to our current transformer catalog or transformers that fulfill the above specification Using transformers with divergent specifications may damage the measurement inputs Connection CU3000 CU5000 Erweiterung y x 1 5 2 6 3 4 4 3 The current tr...

Page 28: ...be mounted or installed close to strong magnetic fields Measurement lines should also not be laid in parallel to power lines 6 For measurement range 1A only The rated output of the transformer must be chosen that it is reached when the rated secondary current 1A flows Consider that the burden of the transformer is not only made up by the burden of the measurement input but also by the resistance o...

Page 29: ...communication settings baud rate transmission format and unique Modbus addresses The bus system is operated half duplex and may be extended to a maximum length of 1200 m without repeater 5 12 Uninterruptible power supply UPS The battery pack for the uninterruptible power supply is supplied separately Please note that compared to the storage temperature range of the base unit the storage temperatur...

Page 30: ... 1Hz pulse accuracy 1μs Connector RJ45 Choosing a mounting location For a correct operation the GPS receiver requires data from at least 3 satellites at the same time Therefore position the receiver so that the clearest possible view of the sky and horizon in all direction is obtained This can be on the roof of a building at best without reception being restricted by other buildings or obstacles A...

Page 31: ...Twisting or sharp kinking of the cable should be avoided Commissioning In the settings menu change time synchronization to NTP server GPS Check the time synchronization status The time synchronization can be restarted by switching the time synchronization off and on again Time synchronization via GPS and NTP server may work in parallel If both synchronization sources are available the system uses ...

Page 32: ...he power supply and the measurement inputs Measurement input Input voltage Input current System frequency 1 Works no 2 Test and conformity marks 3 Assignment voltage inputs 4 Assignment current inputs 5 Assignment power supply 6 Load capacity relay outputs Measurement input Input voltage Input current System frequency 1 Works no 2 Test and conformity marks 3 Assignment voltage inputs 4 Assignment ...

Page 33: ...hes red 1 Hz If successful or cancelled Booting of device Factory reset or reset of communication settings During reset Flashes red 1 Hz Then Booting of device 6 3 Installation check The correct connection of the current and voltage inputs can be checked in two ways a Sense of rotation check Using the sequence of the current and voltage phasors the sense of rotation is determined and compared to t...

Page 34: ...on Exchanging the connections of current I2 What s wrong Voltage sequence L1 L3 L2 L3 and L2 seem to be interchanged Current sequence L1 L2 L3 Angle U I Angle between UL2 and IL2 is approx 180 wrong Required correction Exchanging the connections of the voltages L2 and L3 What s wrong Voltage sequence L1 L3 L2 L3 and L2 seems to be exchanged Current sequence L1 L3 L2 Current L2 is out of the expect...

Page 35: ...etwork only once Subnet mask Defines how many devices are directly addressable in the network This setting is equal for all the devices Examples Gateway address Is used to resolve addresses during communication between different networks It should contain a valid address within the directly addressable network DNS Server x Is used to resolve a domain name into an address if e g a name pool ntp org...

Page 36: ...ariable range xx xxxxxxxx First address 192 168 56 0 11000000 10101000 00111000 00000000 Last address 192 168 59 255 11000000 10101000 00111011 11111111 The device 192 168 57 64 can access directly the devices 192 168 56 0 192 168 59 255 DHCP If a DHCP server is available alternatively the mode DHCP or DHCP addresses only can be selected for the Standard interface The device then gets all necessar...

Page 37: ...rmining the type of communication As a standard Modbus TCP communication is performed via TCP port 502 NTP uses port 123 However the port for the Modbus TCP telegrams may be modified You may provide a unique port to each of the devices e g 503 504 505 etc for an easier analysis of the telegram traffic Independent of these setting a communication via port 502 is always supported The device allows a...

Page 38: ...unique MAC address is assigned Compared to the IP address which may be modified by the user at any time the MAC address is statically Standard Ethernet interface CU3000 CU5000 IEC61850 Ethernet Schnittstelle 6 4 5 Communication tests Via the service menu on the device website you may check if the selected network structure is valid The device must be able to reach the DNS server via gateway The DN...

Page 39: ...system may be activated default not activated If the security system is active the user hat to enter a password before executing protected functions Subsequent to a successful password input the access remains open until the user leaves the settings service menu or an input timeout occurs For activating the security system a password input is required The factory default is 1234 The password can b...

Page 40: ...3000 the valid functionality of the keys is then shown in a help bar 7 2 Selecting the information to display CU3000 CU5000 For devices with display information selection is performed via menu Menu items may contain further sub menus Displaying the menu Press ESC Each time the key is pressed a change to a higher menu level is performed if present Displaying information The menu item chosen using c...

Page 41: ...ols For displaying measurement information the device uses both numerical and numerical graphical measurement displays Examples Measurement information 2 measured quantities 4 measured quantities 2x4 measured quantities 2x4 measured quantities with Min Max Graphical measurement display Further examples ...

Page 42: ...f them or an appropriate graphical representation is used You can select your own point of view by selecting the reference arrow system load or generator in the settings of the measurement Used symbols For defining a measurement uniquely a short description e g U1N and a unit e g V are often not sufficient Some measurements need further information which is given by one of the following symbols or...

Page 43: ...to secondary ratio is used only for converting the measured secondary to primary values so e g 100 5 is equivalent to 20 1 The values do not have any influence on the display format of the measurements Nominal voltage Is used as the 100 reference for monitoring the voltage events of the disturbance logger It corresponds to the declared input voltage Udin in accordance with IEC 61000 4 30 Nominal c...

Page 44: ...a presentation mode measurement data will be simulated Demo mode is automatically stopped when rebooting the device Device tag Input of a free text for describing the device 7 5 2 Configuration via web browser It s recommended to use either Google Chrome or Firefox as browser Internet Explorer works with limitations only partly missing texts firmware update not possible For configuration via web b...

Page 45: ...ocedure varies depending on the used browser Loading a configuration file from a storage media The configuration data of the selected file will be directly loaded into the device The values in the WEB GUI will be updated accordingly Normally devices differ in the settings of network resp Modbus parameters and device name Thus when loading the file you can choose whether the appropriate settings of...

Page 46: ...onitoring changes or when a breakage occurs 2mA input only Entry into the event list if the state of the prewarning limits monitoring changes And via PLC application as source for digital outputs the value of the individual fault currents can also be output via the analog outputs The present values of the monitored fault currents are visible via the menu of the instantaneous values Meaning of the ...

Page 47: ...I Alarm display The symbol arranged in the status bar signalizes active alarms Acknowledgment By acknowledging the summary alarm the user confirms that he has recognized that an alarm state occurred The acknowledgment is done automatically as soon as the user selects the alarm list to be displayed either locally or via web browser or if the alarm state no longer exists By acknowledging only the fl...

Page 48: ...ce of system events such as configuration changes power failures or reset operations and much more Events Event and alarm list Operator list Disturbance recorder Events will be registered in the disturbance recorder list By selecting the entries the course of the RMS values of all U I the curve shape of all U I during the disturbance will be recorded Events Disturbance recorder 7 7 1 Periodical da...

Page 49: ...ll be shown independently of the real averaging time Weekly profile Table Listing of all acquired mean values in the sequence of the real averaging interval The graphical representation allows to compare directly the values of the previous day resp week By selecting the bars you may read the associated values Mean value Min RMS value within the interval Max RMS value within the interval Weekly dis...

Page 50: ...cated time range can be determined Selection of the meter logger group Meter content readings in table form Displaying data locally The selection works in principle in the same way as with the WEB GUI There are the following differences The individual measured quantities are arranged in a display matrix and can be selected via navigation The number of displayable meter readings is limited to 25 Th...

Page 51: ...arator The same file contains data for all quantities of the respective group 7 7 2 Events Displaying of event entries Event lists are a kind of loogbook The occurrence of monitored events is recorded in the appropriate list with the time of its occurrence Example of an operator list Displaying data locally The selection works in principle in the same way as with the WEB GUI There is the following...

Page 52: ...ance recordings locally Recorded disturbances are available in the form of a logbook Each detected disturbance is entered into the disturbance recorder list with the time of its occurrence By selecting a list entry the graphical display of the measured values during this event is entered The following presentations are available Half cycle RMS curves of all voltages all currents all voltages and c...

Page 53: ...window for the selection of the quantities to display is entered by pressing OK Voltage display Current display Mixed display Display of disturbance recordings WEB GUI As with the local GUI recorded disturbances are available in the form of a logbook By selecting a list entry the graphical display of the measured values during this event is entered List of disturbance recordings Graphical display ...

Page 54: ...the card press it slightly into the device to release the locking mechanism The card is pushed out of the device If the SD card is not removed within 20s the exchanging procedure is cancelled and the card will be mounted to the system again Data cannot be temporarily stored in the device If there is no SD card in the device no recordings can be done Data stored on the SD card can be accessed only ...

Page 55: ... Configuration timeout After 5 min without interaction in a parameter selection or during entering a value in the settings menu the active configuration step is closed and the associated parameter remains unchanged The next step depends on what you have done before If the user did not change configuration parameters before the aborted step the main menu will be displayed and the device starts to m...

Page 56: ...5000 en in a version tested with the devices All necessary licenses are stored in the hardware and are therefore included in the scope of supply Install the CODESYS development environment on your PC 8 2 CENTRAX device description For CENTRAX devices to be used in the development environment as a hardware resource resp target platform it is necessary to install a corresponding device description f...

Page 57: ... environment and sufficient user rights Via Tools Package Manager in the CODESYS development environment You may need to run the CODESYS development environment with administrative privileges 8 3 Create a project a File New Project Standard project b Next to Device select the performance class Basic Advanced Professional of the target device e g CU3000 CU5000 Basic at PLC_PRG select the programmin...

Page 58: ...5 Selection of the I O extension modules The I O options can vary depending on the device version ordered So before the corresponding I O channels can be used by the control application they have to be selected The options need to be configured in the device tree of the project via I O option x For a CU3000 all I O options may be assigned for a CU5000 option 1 and 2 only Right click on the field E...

Page 59: ...parallel to the existing Modbus TCP server functionality For the Modbus RTU interface via RS485 the slave mode is deactivated as soon as the master functionality is used Building up a master server or master slave structure is done in four steps a Add a field bus Ethernet or Modbus RS 485 b Add the corresponding Master functionality c Parametrization of the Master d Add devices to the Master You m...

Page 60: ...PM 1001606 000 07 Device handbook CENTRAX CU3000 CU5000 60 106 Add device to CUx000 Select interface Modbus RS 485 or Ethernet Add Modbus RTU Master to RS 485 Add Modbus TCP to Ethernet ...

Page 61: ...of the RS 485 must therefore be set here The Ethernet interface does not require separate settings The network parameters of the device settings are applied To prevent warnings in the CODESYS environment the interface can be set to eth0 which corresponds to the Ethernet settings of the device Connect a device to the master here to Modbus RTU Example Connecting a SINEAX DM5F As long as the above wi...

Page 62: ...ies 0 2 U1N U2N U3N Each value can be selected directly from the list of available measurements using the opposite mask The trigger can be used to define whether the value is to be polled cyclically or dependent on the state of a logical variable The available measured quantities result from the selected access type With only one query also several measurements can be read simultaneously shown abo...

Page 63: ...1 Using remanent variables The device stores remanent variables in such a way that their contents remains unchanged even if the device is restarted or after a power down The declaration of remanent variables is done by means of VAR RETAIN The memory area for RETAIN variables is limited to 1000 bytes The content of remanent variables is reset under two conditions Reset cold All VAR and VAR RETAIN v...

Page 64: ...f executed successfully channel recording channel 1 20 value value to store timestamp ms since 1 1 1970 00 00 00 set it to 0 to use the present system time Amount of time per time unit With more than approx 17 function calls per second functional failures return value FALSE can occur Channel description unit REAL LREAL Per recoding channel a description and a unit can be defined BOOL Per recoding ...

Page 65: ...he Window Add visualisization assign a name to the visualization Via VISU_TASK the features of the visualization application can be defined Using the Visualization Manager the features of the target resp WEB visualization can be modified Image_1 is the area for creating the visualization 8 8 2 Target visualization TargetVisu If the device is equipped with a local display user defined images can be...

Page 66: ... user can define multiple web pages with any mechanism for changing the displayed image The visualization begins with a definable start visualization The starting page can be viewed in two ways a http IP_ADDR 8080 NAME htm IP_ADDR IP address of the device e g 192 168 1 101 NAME Name of the htm file used as start page z B webvisu see below b Direct call via device website Hint This call works only ...

Page 67: ...y its hostname defined in the Ethernet communication settings In the above example the hostname CU3000TEST was assigned the other device still has the initial setting CU3000xxxxx To be sure that you are communicating with the right device select the device and click on Wink The display of the associated device will start blinking for a few seconds Use OK to confirm your device selection If OK is g...

Page 68: ...vice information 8 10 Loading the application to the device Load the application to the device by going online with a click to If the device description in the device does not correspond to the version used in the CODESYS IDE for example the following warning message is displayed In this case the device description of the project can be updated For that it needs to be installed in the CODESYS IDE ...

Page 69: ... older version of the device description must be used in the project New firmware versions can be downloaded free of charge from our website http www camillebauer com cu3000 en or http www camillebauer com cu5000 en If there is no application on the device you will be asked to proceed with the download Confirm with Yes The program will be loaded to the device The PLC is now connected and the appli...

Page 70: ...tion can also be seen via webpage Service CODESYS PLC Using the switch in the column Change operating state the application may be stopped and started again at any time For devices with display the state of the application may be checked and changed also locally at the device Service CODESYS PLC ...

Page 71: ...the device first you have to create a boot application in the CODESYS development environment Two files will be created appl_name app und appl_name crc The user has to pack them in a ZIP file 8 11 2 Deleting the active application An application already running must to be deleted 8 11 3 Loading the application When loading the application the previously created ZIP file must be uploaded ...

Page 72: ...matically started Use the switch in the column Change operating state to start the application Only applications which have been uploaded to the device via ZIP file can be downloaded to a PC again The originally uploaded ZIP file will be exported 8 11 5 Resetting the active application The active application may be reset Reset warm ...

Page 73: ...are initialized Remanent variables VAR RETAIN keep their values Reset cold Download application to the device via IDE Loading the application via webpage Reset cold via CODESYS Application is stopped All variables VAR VAR RETAIN are initialized Reset origin Deleting the application via webpage Reset origin via CODESYS Reset PLC to ist origin Application is stopped and deleted from the device All v...

Page 74: ...a encryption via certificates 8 14 Services Unless otherwise agreed the creation of the control application is the responsibility of the user Thus the user is solely responsible for the application he has created Camille Bauer Metrawatt AG cannot guarantee that these applications will work properly and will not provide free support for error analysis In addition to the product CENTRAX CUx000 itsel...

Page 75: ... 2 Cleaning The display and the operating keys should be cleaned in regular intervals Use a dry or slightly moist cloth for this Damage due to detergents Detergents may not only affect the clearness of the display but also can damage the device Therefore do not use detergents 9 3 Battery The device contains a battery for buffering the internal clock It cannot be changed by the user The replacement...

Page 76: ...e balanced load 4 wire unbalanced load 4 wire unbalanced load Open Y Nominal frequency 42 50 58Hz or 50 5 60 69 5Hz configurable Sampling rate 18 kHz Measurement uncertainty Reference conditions Acc IEC EN 60688 ambient 15 30 C sinusoidal input signals form factor 1 1107 no fixed frequency for sampling measurement time 200ms 10 cycles at 50Hz 12 cycles at 60Hz Voltage current 0 1 1 2 Neutral curre...

Page 77: ...damental 5 Uxnom 0 00 1 Specific levels depend on the device configuration Power supply via terminals 13 14 Measurement category CAT III 300V Nominal voltage see nameplate CU3000 V1 110 230V AC 50 60Hz 130 230V DC 15 or V2 24 48V DC 15 or V3 110 200V AC 50 60Hz 110 200V DC 15 CU5000 V1 100 230V AC DC 15 or V2 24 48V DC 15 Consumption depends on the device hardware used 20 VA 8 5W CU3000 12W CU5000...

Page 78: ...x Nominal current 50 mA 60 mA max Load capability 400 Ω 1 MΩ Fault current detection via plug in terminals Number of channels 2 each channel provides two measurement ranges 2mA 1A Zero suppression Measurement 0 2 of measurement range Measurement range 1A Application Direct measurement of a fault or earth wire current Measurement transformer Current transformer 1 1 up to 1000 1A Instrument security...

Page 79: ... 19 200 38 400 57 600 115 200 Baud Number of participants 32 Internal clock RTC Uncertainty 2 minutes month 15 up to 30 C Synchronization none via Ethernet NTP protocol or GPS Running reserve 10 years Uninterruptible power supply UPS Type VARTA Easy Pack EZPAckL UL listed MH16707 Nominal voltage 3 7V Capacity 1150 mAh min 4 5 Wh Operating duration 5 times 3 minutes Life time 3 up to 5 years depend...

Page 80: ... 24 48V DC 15 Power supply V3 110 200V AC 110 200V DC 15 CU3000 Relay 250 V AC CAT III I O s 24 V DC Test voltages Test time 60s acc IEC EN 61010 1 2011 power supply versus inputs U 1 3600V AC power supply versus inputs I 3000V AC power supply V1 versus bus I O s 3000V AC power supply V2 versus bus I O s 880V DC inputs U versus inputs I 1800V AC inputs U versus bus I O s 1 3600V AC inputs I versus...

Page 81: ...grammable controllers equipment requirements and tests digital inputs outputs 12 24V DC IEC EN 61326 Electrical equipment for measurement control and laboratory use EMC requirements IEC EN 62053 31 Pulse output devices for electromechanical and electronic meters S0 output IEC EN 60529 Protection type by case UL94 Tests for flammability of plastic materials for parts in devices and appliances 2011 ...

Page 82: ... 07 Device handbook CENTRAX CU3000 CU5000 82 106 11 Dimensional drawings CENTRAX CU3000 CENTRAX CU5000 Dimensions Orientation 0 90 0 90 ______1 _______ 1 Not allowed for device versions with UPS All dimensions in mm ...

Page 83: ...epending on the measured quantity also minimum and maximum values are determined and non volatile stored with timestamp These values may be reset by the user via display see resetting of measurements Measurement present max min 1L 2L 3Lb 3Lb P 3Lu 3Lu A 4Lb 4Lu O 4Lu Voltage U Voltage U1N Voltage U2N Voltage U3N Voltage U12 Voltage U23 Voltage U31 Zero displacement voltage UNE Current I Current I1...

Page 84: ...ctive power factor QF3 Load factor LF Load factor LF1 Load factor LF2 Load factor LF3 cosφ H1 cosφ L1 H1 cosφ L2 H1 cosφ L3 H1 cosφ H1 quadrant I cosφ H1 quadrant II cosφ H1 quadrant III cosφ H1 quadrant IV tanφ H1 tanφ L1 H1 tanφ L2 H1 tanφ L3 H1 Umean U1N U2N 2 Umean U1N U2N U3N 3 Umean U12 U23 U31 3 Imean I1 I2 2 Imean I1 I2 I3 3 IMS Average current with sign of P Phase angle between U1 and U2 ...

Page 85: ...a fundamental and a distortion component Only the fundamental reactive power may be compensated directly by means of the classical capacitive method The distortion components have to be combated using inductors or active harmonic conditioners The load factor PF is the relation between active power P and apparent power S including all possibly existing harmonic parts This factor is often called cos...

Page 86: ... configured for measurement in a 4 wire system with unbalanced load and the neutral connector is connected to earth In case of a single phase earth fault there is a resulting zero displacement voltage of ULL 3 The alarming may be done e g by means of a relay output Transformer secondary side Load Because in case of a fault the voltage triangle formed by the three phases does not change the voltage...

Page 87: ... effects occur such as additional thermal stress to operational resources or electrical mains which lead to an advanced aging or even damage Also the reliability of sensitive loads can be affected and unexplainable disturbances may occur In industrial networks the image of the harmonics gives good information about the kind of loads connected See also Increase of reactive power due to harmonic cur...

Page 88: ... method by means of the symmetrical components is ambitious and intensive to calculate The results may be used for disturbance analysis and for protection purposes in three phase systems The real existing system is divided in symmetrical system parts A positive sequence a negative sequence and for systems with neutral conductor a zero sequence system The approach is easiest to understand for rotat...

Page 89: ...t may be used In case of an external synchronization the interval should be within the given range of one second up to one hour The synchronization is important for making e g the mean value of power quantities on generating and demand side comparable Trend The estimated final value trend of mean values is determined by weighted addition of measurements of the past and the present interval It serv...

Page 90: ...er configured meter 3 User configured meter 4 User configured meter 5 User configured meter 6 User configured meter 7 User configured meter 8 User configured meter 9 User configured meter 10 User configured meter 11 User configured meter 12 Standard meters The meters for active and reactive energy of the system are always active User configured meters To each of these meters the user can freely as...

Page 91: ...TRMS var Reactive power phase L2 Q3 Q 3 TRMS var Reactive power phase L3 S S TRMS VA Apparent power system S1 S 1 TRMS VA Apparent power phase L1 S2 S 2 TRMS VA Apparent power phase L2 S3 S 3 TRMS VA Apparent power phase L3 F F TRMS Hz System frequency PF PF TRMS Active power factor P S PF1 PF 1 TRMS Active power factor P1 S1 PF2 PF 2 TRMS Active power factor P2 S2 PF3 PF 3 TRMS Active power facto...

Page 92: ...value of P3 Q_MAX Q TRMS var Maximum value of Q Q1_MAX Q 1 TRMS var Maximum value of Q1 Q2_MAX Q 2 TRMS var Maximum value of Q2 Q3_MAX Q 3 TRMS var Maximum value of Q3 S_MAX S TRMS VA Maximum value of S S1_MAX S 1 TRMS VA Maximum value of S1 S2_MAX S 2 TRMS VA Maximum value of S2 S3_MAX S 3 TRMS VA Maximum value of S3 F_MM F TRMS Hz Minimum and maximum value of F UR21_MAX U neg pos UNB Maximum val...

Page 93: ...A Maximum bimetal current system IB1_MAX IB 1 t3 A Maximum Bimetal current phase L1 IB2_MAX IB 2 t3 A Maximum Bimetal current phase L2 IB3_MAX IB 3 t3 A Maximum Bimetal current phase L3 Meters Name Measurement identification Unit Description ΣP_I_IV_HT P ΣHT Wh Meter P I IV high tariff ΣP_II_III_HT P ΣHT Wh Meter P II III high tariff ΣQ_I_II_HT Q ΣHT varh Meter Q I II high tariff ΣQ_III_IV _HT Q Σ...

Page 94: ... and maximum MT_Q_III_IV as MT_P_I_IV Graphic mean value Q III IV Trend last 5 interval values minimum and maximum MT_S as MT_P_I_IV Graphic mean value S Trend last 5 interval values minimum and maximum HO_IX Graphic Odd harmonics 3rd up to 49th Total Harmonic Distortion of all currents HO_UX as HO_IX Graphic Odd harmonics 3rd up to 49th Total Harmonic Distortion of all voltages HE_IX as HO_IX Gra...

Page 95: ..._HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_MM For CU5000 M7 TR_M7 M7_MM divided into M8 TR_M8 M8_MM 2 images each M9 ...

Page 96: ... P2_TRIANGLE PF_MIN Cφ_MIN I 1 1 1 2 I 2 1 2 2 I 3 1 3 2 I 4 1 4 2 ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_...

Page 97: ...3 1 3 2 I 4 1 4 2 ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_MM For CU5000 M7 TR_M7 M7_MM divided into M8 TR_M...

Page 98: ... ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_MM For CU5000 M7 TR_M7 M7_MM divided into M8 TR_M8 M8_MM 2 images ...

Page 99: ... 2 I 2 1 2 2 I 3 1 3 2 I 4 1 4 2 ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_MM For CU5000 M7 TR_M7 M7_MM divid...

Page 100: ...I 3 1 3 2 I 4 1 4 2 ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_MM For CU5000 M7 TR_M7 M7_MM divided into M8 TR...

Page 101: ..._I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 M1_MM M2 TR_M2 M2_MM M3 TR_M3 M3_MM M4 TR_M4 M4_MM M5 TR_M5 M5_MM M6 TR_M6 M6_MM For CU5000 M7 TR_M7 M7_MM divided into M8 TR_M8 M8_MM 2 images eac...

Page 102: ...3 S3 P3_MAX Q3_MAX S3_MAX PF P Q S P_MAX Q_MAX S_MAX P_TRIANGLE P1_TRIANGLE P2_TRIANGLE P3_TRIANGLE PF_MIN Cφ_MIN I 1 1 1 2 I 2 1 2 2 I 3 1 3 2 I 4 1 4 2 ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S ...

Page 103: ...AX Q3_MAX S3_MAX PF P Q S P_MAX Q_MAX S_MAX P_TRIANGLE P1_TRIANGLE P2_TRIANGLE P3_TRIANGLE PF_MIN Cφ_MIN I 1 1 1 2 I 2 1 2 2 I 3 1 3 2 I 4 1 4 2 ΣP_I_IV_HT ΣP_I_IV_NT ΣP_II_III _NT ΣP_II_III_HT ΣQ_I_II_HT ΣQ_I_II _NT ΣQ_III_IV _HT ΣQ_I_II _NT ΣMETER1 ΣMETER2 ΣMETER3 ΣMETER4 ΣMETER5 ΣMETER6 ΣMETER7 ΣMETER8 ΣMETER9 ΣMETER10 ΣMETER11 ΣMETER12 MT_P_I_IV MT_P_II_III MT_Q_I_II MT_Q_III_IV MT_S M1 TR_M1 ...

Page 104: ...onditions is not fulfilled OR A B Y 0 0 0 0 1 1 1 0 1 1 1 1 Function is true if at least one of the input conditions is fulfilled NOR A B Y 0 0 1 0 1 0 1 0 0 1 1 0 Function is true if none of the input conditions is fulfilled Using DIRECT or INVERT the input is directly connected to the output of a monitoring function without need for a logical combination For these functions only one input is use...

Page 105: ...io communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Incre...

Page 106: ...3 L Logic components AND 104 DIRECT 104 INVERT 104 NAND 104 NOR 104 OR 104 Logic functions 104 M Measured quantities 83 Basic measurements 83 Bimetal current 89 earth fault monitoring 86 harmonic analysis 87 Load factors 85 mean values and trend 89 meters 90 system imbalance 88 zero displacement voltage 86 Measurement displays 41 Measurements reset 43 Mechanical mounting 7 Menu operation 40 Mounti...

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