RGU – 10 / RGU – 10C Electronic earth leakage protection
Contents
1. Ww RGU10C PowerStudio Scada RRA Archivo Configurar Editar Ver Atr s Dispositivos 24 Gr fico Tabla Pantalla Informes e Opciones d Imprimir CVM MINI B A adir Modificar 2 Eliminar wf Aceptar Cancelar Q xw Wb tt GC A Page 30 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Archivo Configurar Editar Ver atr s IB Dispositivos p Gr fico Tabla Pantalla Informes ee Opciones d Imprimir CVIMIMINI RRMC RGUIO 5 Z O z TT Archivo Configurar Editar Ver Q Atr s Dispositivos z4 Gr fico Tabla Pantalla Informes ee Opciones D Imprimir RGU10C 16 1 2006 10 59 50 Estado de la protecci n CORRECTA Id 500 ma td 100 m Estado de la prealarma CORRECTA Reconexi n Hahilitada OFF Ajustar Kb W 10 59 RGLI10C PowerStudi ES 3 Page 31 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay All values that can be set from the equipment s keypad can be set from the PC WW RGU10C PowerStudio Scada JE Archivo Configurar Editar Yer ass Dispositivos pe Gr fico Tabla 5 Pantalla Informes D Opciones d Imprimir RGU10C 16 1 2006 11 10 04 gaci n RGU 10 o Eg Frecuencia de la red de trabajo Polaridad de la salida rel de la bobina de disparo 60 Hz Est ndar Corriente de disparo Tiempo de retardo en el disparo 0 032. L1 L2 L3 N OM BOLNIH fa ON OFF externo Extemal ON OFF Disparo por BOBINA DE EMISI N UTILIZACI N Rearme manual Trip by SHUNT COIL Manual reclose Positive safety Page 15 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay DESCRIPTION The front of the equipment which is formed by the display buttons and LEDs is protected with a sealable plastic cover which has the appropriate holes to access the RESET TEST and SETTING keys E Z O z TT Generic functions of the LEDs and front keypad GREEN LED Equipmenton ON RED LED Leakage trip circu TOR em YELLOW LED Pre alarm AN RESET BUTTON e t DELAY SETTING JOO aw CIL test BUTTON SETUP MENU ROTATION La dz 9 e PROG l 2 SENSITIVITY SETTING SETUP SETTING PRE ALARM SETTING PROG ig Sua SAFETY SETTING RESET PRE ALARM Ano SETTING The equipment has to light indicators or LEDs Green Red dual colour LED 4 A O ow Off the equipment is not operating or is not receiving power supply voltage Onin green the equipment is operating It is receiving power supply voltage Onin red the equipment has tripped Yellow LED Indication of pre alarm Nr there is no pre alarm trip constant pre alarm trip without reclosing flashing pre alarm trip in re closing situation The equipment
3. 10C this SETUP menu is preceded by the communications SETUP menu If there is no communications RGU 10 is the only SETUP on the equipment I Z O Z TT The equipment does not save the setting changes until all of the setting has been entered using the PROG button When it detects that the keyboard has been inactive for a certain time it displays EXIT and the setting menu is exited it without saving the changes access MEASUREMENT SETUP the PROG button has to be pressed to enter setting mode RGU 10 only On entering setting mode a screen is displayed informing that the equipment has entered setting mode with the PROG symbol on the upper section of the first menu screen Operating frequency The display shows FREQ In order to change this press PROG The value of the current frequency appears on the upper left of the screen IL ERE ERE In order to change the operating frequency repeatedly press the td button increase in the digit in the upper left corner When the value on the screen is the required value enter and move onto the next menu by pressing the PROG key SETUP is exited with the SAVE message Scale limit The display shows LIM In order to change this press PROG The final delay scale values and the actual current sensitivity settings appear on the upper section of the screen Lin Lin In order to modify the operational scale repeatedly press the td button increasing the va
4. 19 200 Baud rate NN 38 400 57 600 115 200 bauds 0001h Type of parity PARI None Odd Even 0002h Operating frequency FREC 50 60 0003h Trip current 0 03 0 1 0 3 0 5 1 Main relay II 3 5 10 a cil Delay time INS SEL 0 02 0 1 0 3 0 4 0 5 Main relay ow 0 75 1 3 5 10 ideis bi Contact polarity Std Standard Positive 0006h Main relay OFF 50 60 70 80 0007h Pre alarm Delay time 0 02 0 1 0 2 0 3 0 4 0 5 0 75 Pre alarm 1 3 5 10 Agnes asa Contact polarity Std Standard Positive 0009h Pre alarm Pre alarm reclosing Manual REC NEN 000Ah Series No HI NM 111 11 11 18ADh 188Ch mE R Off On eat Effective value Trip current 0000h Reset 0000h Enable Page 27 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Y Example of MODBUSO reading E QUESTION 1 1 1 1 1 1 1 1 0A 04 00 00 00 0A 71 76 E 0A Peripheral number 10 in decimal 04 Reading function 00 00 Recording at which the reading is to start 00 0A Number of recording to be read 10 in decimal 71 76 CRC character RESPONSE 1 1 1 1 1 1 1 2 0 04 14 00 0A 00 02 00 00 00 32 00 00 00 01 00 00 00 01 00 14 00 00 7E C9 0A Number of the peripheral that is responding 10 in decimal 04 Reading function the one used in the question 14 Number of bytes received 20 00 0A 0000h address Peripheral number 10 00 02 0001h address Baud rate 2 9 600 bauds 00 00
5. 3 x FP contacts change status on powering the equipment and are not m A TT shown on the display 4 5 NA and 6 5 NC Alarm Reset pre alarm setting sesi wa ble In the pre alarm menu the REC function is shown as disabled or 218 ms HET enabled REC appears on the LCD when it is enabled Setup using SETUP Alarm PROG and the first menu option appear on the display by pressing a long time Once in menu setting mode the different text indicators appear on the display after each time PROG is pressed When the correct menu is reached the parameter can be changed by pressing ta rotating In order to enter the settings press the PROG but on again with the SAVE message showing the version of the equipment The display the turns to the initial screen If after a certain time the keyboard remains inactive the EXIT message appears and the main relay settings are shown without any information being saved Page 22 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Setti ng C OMM UNI CA TI ON SE TUP Only for models with communication One or more RGU 10C instruments may be connected to a computer or PLC in order to automate 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 RGU 10C has an RS 485 communication output If more than one instrument is connected to one sin
6. E lOu 9A OF e 70 0 0 ee a Am PROG OU Cit IU U mA The display shows the delay and sensitivity settings as well as the instant leakage current reading While the equipment is operating the display shows the following symbols while the equipment is being programmed and set Setting setup Trip delay PROG Contact polarity Pre alarm reclosing Setting by communications Trip sensitivity COMM Instant current leakage Pre alarm setting In normal operating status the display shows the following parameters associated with the earth leakage protection PARAMETER Instant current leakage intensity Preset trip delay ta Sensitivity of trip preset Ian Main relay contact status UNIT mA A mA A contact 14 15 NA nothing contact 14 15 NC contact 16 15 NC nothing contact 16 15 NA Page 18 I o O Z TT m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay The RGU 10 RG5 10C allow the display and setting of all required parameters to complete the earth leakage protection adjustment with pre alarm and communications PARAMETER UNIT Sensitivity of pre alarm in 96 In Pre alarm relay contact status contact 6 5 NA nothing contact 6 5 NC 4 contact 4 5 NO nothing contact 4 5 NA I Z O Z TT Operating frequency Peripheral No Baud rate Type of parity RGU 10C
7. I Z O z TT
8. Instantaneo v Configurar prealarma Umbral de prealarma 2 Tiempo de retardo en la activaci n 50 0 10s Polaridad de la salida rel de prealarma Est ndar Modo de trabajo Recuperable i Cancelar Kw RGLI10C PowerStudi ro Ww RGU10C PowerStudio Scada LJ Jue Archivo Configurar Editar Ver ass Dispositivos aa Grafico O Tabla 5 Pantalla Informes EP Opciones Imprimir RGU10C 16 1 2006 11 10 54 Informaci n del dispositivo Contrase a N mero de perif rico Modelo Habilitar contrase a B RGU 10 E Contrase a Identificador Versi n RGUTOC 1 0 Descripci n Confirmar contrase a RGUTOC Frecuencia de la red de trabajo Polaridad de la salida rel de la bobina de disparo C 50Hz Est ndar 60Hz C Positiva m Corriente de disparo 4 Tiempo de retardo en el disparo s 0 03 M Instantaneo M Configurar prealarma Umbral de prealarma 2 Tiempo de retardo en la activaci n s 50 0 10 Polaridad de la salida rel de prealarma Modo de trabajo Est ndar C Normal Positiva Recuperable wf Aceptar Cancelar EROE RGULOC PowerStudi ES 64 PROTECTION amp CONTROL DIVISION Vial Sant Jordi s n 08232 Viladecavalls BARCELONA SPAIN Tel 34 93 745 29 00 Fax 34 93 745 29 14 Website http www circutor com Page 32
9. has seven buttons described according to the degree of accessibility Accessible with sealed cover and tool RESET button Starts the equipment after a trip TEST button e Y a T N S Me Carries out a trip to cheek the proper operation of the relay PROG PAG button Dual purpose button With a short press the PRE ALARM setting is entered With a long press the equipment s SETUP program is entered Page 16 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Accessible with cover raised Keys with dual function With a long press the equipment is entered to set the values With a short press the option within a series of values defined in the equipment is selected SENSIVITY button lw fy T Z O z TT This allows values between 30 100 300 500 mA 1 and 3 A to be selected This scale can be extended using the SETUP program to add 5 10 and 30 A to the above values DELAY button ta This allows 20 100 200 300 400 500 750 500 ms and 1 second to be selected This scale can be extended using the SETUP program to add 3 5 10 seconds to the above values This person also allows browsing within the SET UP MENU This allows the output contacts polarity to be set for both the main relay and the pre alarm With normal safety Std the relay is activated with a fault the status is NO With positive safety the
10. m CIRCUTOR RGU 10 RGU 10C Electronic earth leakage protection relay ES E A OD ez e ec ta Std A um PROG e User manual Extended version M98203201_03_11A O CIRCUTOR SA m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Checks on receipt This manual assists in the installation and use of the RGU 10 RGU 10C earth leakage relay so that the best possible use can be gained from it Please check the following points on receipt of the relay I Z O Z TT e The equipment delivered matches your order specifications e Check that the equipment has not been damaged during delivery e Check that it has the correct instruction manual This manual contains information and warnings about the RGU 10 RGU 10C which must be followed to guarantee the proper operation of all instrument functions and to maintain it in a safe condition Installing and maintenance for this relay must be carried out by a qualified person CONTENTS GENBRALPEATO Hic E 4 INSTALLA HON AND P rasta 6 CONNDBCGIIOBN DESGRANS 9 DESCRIPTION 16 A e 18 EOUIPNIENAT SETTING 21 Setting COMMUNICATION SETUP Only for models with communication 23 Selis measurement SETUP Em 25 SC UM atacando e ON JI arm 26 MODBUS OPEO o Tu OO 27 MODBUS O menor ymi conoscere es
11. not shown on the display 14 m 15 NC and 13 15 NA contacts change status on powering the equipment and are not mA shown the display 14 15 NA and 13 15 NC Setup using the menu Pre alarm SETUP mali d The PROG PAGES buttons control the alarm relay and main relay settings L ms using SETUP If the button is pressed for a short time the pre alarm setting is entered Alarm appears on the LCD Also the pre alarm threshold appears as a of the sensitivity setting and the pre alarm delay exit press PROG ns Alarm Pre alarm current setting aia This is in terms of the program value in the main relay Pressing la enters to change the values Relative values are shown as a 96 of the preset trip current Pressing la changes the values OFF 50 60 70 80 MAIN OFF gt pre alarm disabled MAIN gt the pre alarm continues to trip the main channel Pre alarm time setting This is in terms of the program value in the main relay Pressing ta enters to change the values Pressing ta changes the values y S 20 50 75 100 300 500 750 ms 1 3 5 and 10 seconds Alarm Page 21 I Z O Z TT m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay L g Pre alarm positive safety setting aia Uer i E E ms m Std contacts are on standby and not shown on the display 4 5 O NG and 6 5 NA
12. only TROUBLESHOOTING OR REASONS FOR TRIPPING POOR TOROID CONNECTION TRIP After a certain time the equipment will carry out a test to detect the presence of the sensor or associated earth leakage transformer If it does not detect either of the above the LCD and LED will be red Also the ERRt error message will permanently appear on the LCD A short circuit in the transformer secondary will also be detected as an error When this error is detected the correct connection with the earth leakage transformer has to be ensured and a RESET made to re establish proper working If the transformer is detected again normal status is returned and the error message disappears PRE ALARM TRIP In the event of the defaults current intensity exceeding the preset pre alarm threshold the yellow will come on the green backlit LCD will show the leakage level and the pre alarm output relay will be activated In automatic mode REC when the pre alarm situation is removed normal status is resumed LED and signal relay In manual mode the equipment has to be RESET to unblock the pre alarm FAULT TRIP When the equipment is tripped by a current fault the red and yellow LED comes on and the backlit LCD is red For current from the last cycle which tripped the relay is displayed To reconnect press RESET to return to the initial status lg CIRCUTOR Fam n POL th zer Page 19 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection rel
13. relay is activated on supplying the equipment and is deactivated with the fault the status is NC Accessible with sealed cover and tool Flush buttons NORMAL OR POSITIVE SAFETY button ALARM RESET button This allows the automatic re establishment of the pre alarm signal to be enabled n Automatic Mode REC if the detected leakage current is below the preset pre alarm threshold the relay becomes de activated In manual mode the equipment has to be RESET from the alarm screen in order to re establish the pre alarm system The equipment displays and sets or these directly set parameters by direct setting or by programming the SETUP program from the display Backlit display LCD background to the screen in normal mode is green The parameters required for earth leakage protection sensitivity and delay in its associated units are displayed It also displays the current leakage current fthe equipment trips through any event the screen s background changes to red and the reason for the trip is displayed Page 17 CIRCUTOR OPERATION RGU 10 RGU 10C electronic earth leakage protection relay When the equipment is powered at its rated voltage the green LED on the front is on the backlit LCD is green indicating the software and hardware version After a short while the version disappears and the default display values appear on the display m mS l S cincuTon pr R L r
14. 0001h address Type of parity 0 None 00 32 0003h address Operating frequency 50 Hz 00 00 0004h address Preset trip current 0 30mA 00 01 0005h address Preset time for trip delay 1 INS 00 00 0006h address Relay output trip polarity 0 Standara 00 01 0007h address 26 IAN trip by pre alarm 1 50 00 14 0008h address Preset time for pre alarm delay 1 20 ms 00 00 0009h address Pre alarm output relay polarity O Standard 7E C9 CRC Character Example of MODBUSO writing QUESTION 01 10 00 00 00 05 0A 00 01 00 03 00 00 00 3C 00 00 FF 64 01 Peripheral number 1 10 Modbus instruction number multiple parameter writing 16 00 00 Initial recording of writing 0 00 05 Number of recordings to be changed 5 0A Number of bytes to pass 10 00 01 0000h address Equipment peripheral number 00 03 0001h address baud rate 3 19 200 bauds 00 00 0002h address type of preset parity 0 None 00 3C 0003h address operating frequency 60 Hz 00 1E 0004h address trip current 0 3030 mA FF 64 CRC character RESPONSE 01 10 00 00 00 05 00 0A 01 Peripheral number 1 10 Modbus instruction number multiple parameter writing 16 00 00 Initial recording of writing 0 00 05 Number of recordings to be changed 5 00 0A Frame CRC Each Modbus frame has a maximum limit of 26 recordings Page 28 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Connection for the RS485 BUS The composition of
15. T SETTING Direct settings By pressing for a long time on any of the direct setting buttons PROG mode is entered icon on LCD and the relay s setting may be changed While in PROG mode if any other direct function is used lg tg Std and Auto the parameter for the displayed relay can also be set PROG mode is exited if no buttons are pressed for a while with the last setting being SAVE Main relay current setting Pressing la for more than one second PROG appears and a setting from the E list is increased with every press The current setting is seen in small figures and the new setting in the main figures 30 mA 100 mA 300 mA 500 mA 1 T 3 5 10 30A The scale is limited This is changed in the equipment s SETUP The default setting is a 3A scale is EN mA Time and Main relay curve setting Pressing ta for more than one second PROG appears and a setting from the list including curve types is increased with every press The current setting is seen in small figures and the new setting in the main figures INS curve SEL mS S curve 20 100 200 300 400 500 750 ms 1 3 5 10s The scale is mE Ji limited This is changed in the equipment s SETUP The curves belong to the 1 E s scale which is the default scale If the setting for lan is 30 mA only instant settings are permitted 20 ms Curves INS or SEL Main relay positive safety setting y y mS J mA Std contacts are on standby and are
16. U 10 RGU 10C electronic earth leakage protection relay Baud rate The display shows the letters bd on the upper left of the screen showing the bauds and shows the baud rate in units of a thousand in the central part of the screen I Y O Z TT Repeatedly press the td button to change the baud rate increasing the value of a digits on the central area of the screen When the required value is on the screen move on to the following digit by pressing PROG to allow the remaining values to be changed The possible setting values are as follows Value on screen Bauds 2400 4800 9600 Parity The display shows PARI with the set a value on the upper left of the screen d RAR In order to change parity repeatedly press the td key to change the values on the upper left of the screen When the required value is on the screen it is entered and the display moves on the next screen by pressing PROG to allow the setting to be changed For communication setting menu using SETUP ends on this screen lt directly links with the first measurement SETUP screen on the equipment Page 24 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Setting measurement SETUP From measurement SETUP the parameter settings for the RGU 10 RGU 10C can be displayed and or changed this may match these parameters to the requirements of the system topologies and or applications If it is an RGU
17. aro por BOBINA EMISI N Rearme autom tico mediante corte de alimentaci n UTILIZACI N USE Trip by SHUNT COIL Automatic reclose by power supply out L1 L2L3 400 Vac power supply e r 98 Reset exterior External reset 4 HH Disparo por BOBINA EMISI N Rearme autom tico mediante corte de alimentaci n UTILIZACI N eS Trip by SHUNT COIL USE Automatic reclose by power supply out Page 10 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay The equipment operates to its maximum whenever it is supplied from the installation itself before the breaking device or from an independent auxiliary power supply However if the power supply from the installation is below the breaking device the system continues to be properly protected even though with limitations in terms of its disconnection performance through lack of power supply 5 o a O z TT Others types of power supply voltages for the equipment independent of the installation itself L1 L2 L3 N Power supply from 24 to 120 Vac 151 9 n n c o D 152 Ill ON OFF externo External ON OFF Disparo por BOBINA EMISI N Rearme manual ir Trip by SHUNT COIL k Manual reclose Page 11 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay RGU 10 RGU 10C connection with undervoltage coil Power supply to the equipme
18. ay REMOTE TRIP When a trip is forced input terminals 1 2 by applying 230 V the equipment is tripped and disabled and an EXT message is shown on the display in red and also the LED is on It has to remain permanently in this situation until the change in status no longer exists lt is not possible to manually reset or reset using communications I Z O Z TT When it is remotely reset input terminals 1 2 removing the 230 V the equipment is reconnected with the display backlit in green LED ON in green as in normal status For the RGU 10C a remote trip reset can also be made via RS485 communications The equipment remains tripped showing this incidence on the display with a REM message in red with also the LED ON It has to remain permanently in this situation until the change in status no longer exists COMM mi IL d m Y m It is reset when the remote reset is carried out using RS485 communications applying 230 V between the remote 1 2 input terminals or by pressing the reset button The equipment is reconnected with the display backlit in green LED ON in green as in normal status TRIP MESSAGES ON THE EQUIPMENT CAUSE OF TRIP MESSAGE DISPLAY RSuSCommkabn aem OTHER DISPLAY MESSAGES MESSAGE SAVE Enters setting values EXIT Exits setting mode OVR Current leakage reading off scale Page 20 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay EQUIPMEN
19. d to install the equipment on a panel All connections must remain inside the electrical board The front adapter accessory has a base a frame two tabs and three Screws 1 The base is mounted on top of the equipment 2 The equipment is attached by screwing the holes in the equipment on the upper right corner and lower left corner on the front of equipment The front frame is attached to cover the mounting points 4 Three green pressure tabs on the side runners of the base are attached 5 The equipment is mounted in the hole in the panel with the adapter 6 The tabs run towards the panel to obtain the mounting pressure Page 7 CIRCUTOR Connection diagram features RGU 10 RGU 10C electronic earth leakage protection relay The connection for the equipment using 0 5 mm diameter cable Recommended tightening torque is 0 5 0 6 Nm Length of cable to strip 5 7 mm It is recommended that meshed cable is used to connect the toroid over large distances Terminal list 2 T CIRCUTOR gel C e La 20 0 9 e e ME a Sidi A PROG W i dk K am am am am am am ak Note Terminals 3 7 and 12 are free No Terminal description ama ONO vota pst ONOFF oaran EOS C LTD TN recaen paris ef Output common contact trip Page 8 I Z O Z TT CIRCUTOR RGU 10 RGU 10C electronic earth leakage protectio
20. equired for complete protection and maintenance checking in the installation A series of parameters may be set directly from the keypad buttons and by setting menus on the instrument itself Before starting the earth leakage device carefully read sections power supply connection diagram and setting The RGU 10 measures calculates and displays the earth leakage current in _ three phase balanced or unbalanced industrial systems 4 o apuro Carn Measurements are in true effective value via one earth leakage current input ES from the WG WGS family external measuring toroid x e gt e Under normal operating conditions the main values determining earth leakage 20008 protection in an installation are shown on the display These include sensitivity T delay and instant current leakage Bearing in mind the high degree of protection required by installations the equipment has a display and LED indicators for the different events which usually occur Data displayed or pre alarm indication trips leakage readings etc assist in providing sufficient information for proper maintenance Under normal operating conditions the backlit display is green However after any event causing a main relay to trip the backlight is red indicating the reason The version for RS485 communications and approp 2 8 setting data and information to centralised for the proper mon
21. gle series line RS 485 it is necessary to assign to each a number or address from 1 to 99 so that the central computer or PLC sends the appropriate requests to these addresses for each peripheral I Z O Z TT From communication SETUP the RGU 10C 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 equipment does not save the setting changes until all of the setting has been entered using the PROG button When it detects that the keyboard has been inactive for a certain time it displays EXIT and the setting menu is exited it without saving the changes To access COMMUNICATIONS SETUP the PROG button has to be pressed to enter setting mode On entering setting mode a screen is displayed showing that the equipment has entered communication setting mode To enter setting mode the PROG button must be pressed Peripheral number The display shows PERI and the peripheral number on the upper left of the screen PER To write or change the number of the peripheral repeatedly press the td button increasing the value of the digit which is in the upper left corner When the required value is on the screen it is entered and the display moves on to the next menu by pressing PROG button to allow the remaining values to be changed The peripheral number varies between 1 and 99 Page 23 m CIRCUTOR RG
22. itoring and checking of the maintenance of electricity lines The measurement of earth leakage current from which the RGU 10 RGU 10C operates by indicating the instant leakage current pre alarm or trip is determined by the WG series earth leakage transformers The inner diameter of the transformer is defined by the installation s wiring dimensions EARTH LEAKAGE TRANSFORMERS WG SERIES Useful Weight g diameter Type Code mm 70x175 WG 70 175 P10116 7 400 150x350 WG 150 x 350 P10118 13 400 200x500 WG 200 x 500 P10119 Page 4 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay MAIN FEATURES Measuring in true effective value TRMS Type A differential IEC 61008 1 Insulation against transients IEC 61008 1 High frequency filtering IEC 61008 1 Trip setting between 80 and 100 lan nverse curve IEC 61008 1 Associated standard IEC 61008 1 IEC 38 I o O Z TT Other features modules DIN rail In a panel using front accessory code M5ZZF1 Displaying instant leakage values Backlit LCD display Built in RS485 communications Modbus RTUO RGU 10C only Available models RGU 10 SERIES CODE RGU 10 P11941 RGU 10C P11944 Page 5 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay INSTALLATION AND START UP This manual contains information and warnings about the RGU 10 RGU 10C which must be followed to guarantee the proper o
23. lues of the digits on the upper section of the screen There are two scales one in 10 seconds and 30 Amperes and the other default scale in 1 second and 3 Amperes When the required values are shown on the screen they are entered by pressing the PROG button SETUP is exited with the SAVE message Page 25 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Y Setting diagram using SETUP THE RGU 10C RGU 10 WITH COMMUNICATIONS SHALL START SETTING USING SETUP WITH THE O SUBMENU THIS DOES NOT APPEAR ON THE RGU 10 t LH mm mu IN mM mM jg j V LI A Nj Js Page 26 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay MODBUSe protocol The RGU 10C earth leakage communicates using the MODBUS RTUO protocol Pulling Question Answer 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 bits 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 04h Reading Function 10h Writing MODBUS memory map Reading Parameter Values Units Address Writing 1 1 1 1 1 1 Peripheral No 1 99 0000h 2 400 4 800 9 600
24. n relay CONNECTION DIAGRAMS RGU 10 RGU 10C connection with current emission coil In the event of powering the equipment before the breaking device AUTOMATIC SWITCH in an earth leakage trip situation because of a fault test or toroid error 1 Note the cause of the trip on the red display 2 Reset the breaking device 3 Press the RESET equipment L1 L2L3N ON OFF externo External ON OFF Disparo por BOBINA DE EMISI N Rearme manual UTILIZACI N 2 Trip by SHUNT COIL USE Manual reclose Reset exterior m External Reset Hain B ON OFF externo External ON OFF Disparo por BOBINA DE EMISI N Rearme manual Trip by SHUNT COIL UTILIZACI N USE Power supply from 24 to 230 Vac 400 Vac power supply Page 9 o O z TT m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay RGU 10 RGU 10C connection with current emission coil The following has to be taken into consideration in the event of powering equipment after the breaking device 1 The breaking device has to be a manually resettable device 2 After dripping the equipment is disconnected losing all information on the reasons for the trip The system is reset only by resetting the breaking device It is reconnected by the power supply Z O z TT L1 L2 L3 N Power supply from 24 to 230 Vac inl ON OFF externo External ON OFF J Disp
25. nt is before the breaking device This breaking device may be an automatic switch or contactor Using a CONTACTORH the protection is reset by pressing RESET or by using an AUTOMATIC SWITCH The breaking device must be rearmed beforehand o a O z TT 111213 Power supply from 24 to 230 Vac as Hainad3 amp ON OFF externo External ON OFF Disparo por BOBINA DE M NIMA Rearme manual UTILIZACI N v9 Trip by UNDERVOLTAGE COIL Manual reclose USE Reset exterior 12 External reset L1 L2 L3 400 Vac power supply 40 3913 B ON OFF externo External ON OFF Disparo por BOBINA DE MINIMA Rearme manual 5 eS Trip by UNDERVOLTAGE COIL Manual reclose UTILIZACI N USE Page 12 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay Other equipment s power supply voltages 111213 Power supply from 24 to 120 Vac I Y O z TT 151 152 251181 9M edhy ao1n2di BR Ill 32 y O O El Disparo por BOBINA DE M NIMA _ UTILIZACION Trip by UNDERVOLTAGE COIL USE Manual reclose Page 13 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay CONNECTING THE EQUIPMENT IN POSITIVE SAFETY This installation mode provides the most conservative protection from the point of view of personal and property safety in electrical ins
26. peration of all instrument functions and to maintain it in a safe condition The equipment must not be switched on until it is finally connected to the electrical board I Z O Z TT IF THE EQUIPMENT IS HANDLED IN A WAY NOT SPECIFIED BY THE MANUFACTURER THE EQUIPMENT S PROTECTION MAY BE COMPROMISED When it is likely that the equipment has lost its protection i e 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 Power supply voltage e Operating conditions Salety A Power supply voltage Standard version Power supply 230 Vac 2096 Frequency 50 60 Hz Terminals 10 1 1 A1 A2 Burden 6 VA Special Version 24 230 Vac 400 Vac 12 230 Vac 50 60 Hz A1 A2 Power supply Frequency Terminals 10 1 1 B Main pre alarm relay output switch contacts Main output terminal contacts 13 14 15 NA output terminal I 13 NC output terminal 14 Output common terminal 15 Pre alarm output terminal contacts I 4 5 6 NA output terminal I 6 NC output terminal 5 Output common terminal I 4 Material I AgCdO Rated current Maximum instant current 6 10 Aac Rated voltage Maximum switching voltage 230 Vac Rated load in AC 2 500 Contacts protected by varistor 275 Vac Mechanical usef
27. sa 27 COMME CHOI tor be R5155 U 5 nao 20 Page 2 CIRCUTOR SMALL 3 MODULE SIZE BACKLIT LCD DISPLAY GREEN Normal operation status RED Trip status by fault or other event SETTING OF PARAMETERS SENSITIVITY from 30 mA to 30 A DELAY from 20 ms to 10 seconds ASSOCIATED BREAKING DEVICE CONTACTOR Connection by undervoltage coil ASSOCIATED Bg ccurag eee RGU 10 RGU 10C electronic earth leakage protection relay 1 1 1 1 1 1 1 DIN RAIL PANEL ADAPTER ACCESSORY e eoe ciecuTor RGU 40 000000000 RS 485 MODBUS COMMUNICATIONS EARTH LEAKAGE DEVICE WITH TRIP COIL EARTH LEAKAGE TOROID MEASURING DEVICE WG WGS FAMILY 1 1 1 1 1 1 1 1 INSTANT CURRENT LEAKAGE DISPLAY PRE ALARM RELAY SENSITIVITY from 50 to 80 l N DELAY from 20 ms to 10 seconds OUTPUT RELAY CONTACT STATUS TRIP COIL Page 3 I Z O Z TT m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay GENERAL FEATURES The RGU 10 earth leakage relay is type A programmable electronic earth leakage protection equipment with two independent relays 4 the main output for checking the cut off device and performing the protection function and the pre alarm relay for installation prevention and maintenance I Z O Z TT Allows the setting and adjustment of all parameters r
28. tallations With this type of equipment connection and setting persons all goods are protected against faults where the earth leakage relay loses its protection capacity The last order from the relay is to open the installation in the event of this power supply problems to the equipment itself or through lack of voltage in the installation neutral or face fault I o O Z TT 1 The breaking device has the power to trip using the undervoltage coil either internally CONTACTORH or externally AUTOMATIC SWITCH 2 The equipment is set by programming by pressing the Std key in positive safety mode The symbol appears on the display 3 The equipment s power supply has to be the same as the installation or section it is protecting L1 L2 L3 N 40 1307 E Ill ON OFF externo External ON OFF Disparo por BOBINA DE M NIMA Rearme manual Trip by UNDERVOLTAGE COIL Manual reclose Positive safety Page 14 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay I When this type of safety is used using the current emission coil it can only be assured that the system will trip went the earth leakage relay is not operating correctly 1 The breaking device has the power to trip using the maximum current coil AUTOMATIC SWITCH 2 The equipment is set by programming by pressing the Std key in positive safety mode The symbol appears on the display
29. the RS485 cabling must be carried out with a meshed screen cable minimum 3 wire with a maximum distance of 1 200 metres between the RGU 10C and the master unit This Bus may connect a maximum of 32 series devices I o O Z TT CBS 8 EARTH LEAKAGE STATION P amp amp amp E ROR RGU 10C EARTH LEAKAGE RELAY gan Sot ve k ha 3 B J RS232 RS485 CONVERTER Rs 232 RS485 COMMUNICATIONS VERSION PC ___ 285 RS232 RS485 J n ETHERNET TCP IP CONVERTER 7 QU RS485 MODBUS PROTOCOL anaa CBS 8 EARTH LEAKAGE RGU 10C EARTH ow RELAY STATION LEAKAGE RELAY i Sonu Ll pt O i The following has to be used for communication with the master unit or PC 1 The RS232 to RS485 System Protocol Intelligent Converter M54020 Intelligent Converter 2 The TCP2RS Converter M54031 of RS232 RS485 to Ethernet TCP IP system protocol Page 29 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay As well as the usual operation of each piece of equipment this system may ciacuror centralize data at one single point Power Studio System M90221 Different devices and RGU 10C s in the system can be monitored and set in the installation I Y O Z TT e Mis documentos INICIO Mos The system allows the easy setting of NETWORK communications
30. ul life 10 10 Ambient temperature range 40 85 Electrical useful life for AC loads Ciclos Cycles 0 2 4 6 B 310 12 14 16 corriente nominal de carga load rated current A Cut off power for DC loads tensi n DC DC voltage VDC Corriente DC DC current A Page 6 m CIRCUTOR RGU 10 RGU 10C electronic earth leakage protection relay C External input for Trip Rearm Terminals 12 Type of input Optocoupled Maximum voltage Maximum power 110 230 Vac 20 0 7 W I Y O z TT D Earth leakage current measurement circuit Scale range Full scale Resolution display 1 300 mA 750 mA E Operating conditions Operating temperature 10 C 50 Relative humidity 5 to 95 RH without condensation Altitude up to 2 000 metres F Safety Designed for category Ill installations 300 Vac EN 61010 Protection against electric shock by class ll double insulation INSTALLATION AND MOUNTING The equipment is installed on a DIN rail or on a panel arilled panel 67 x 67 mm according to DIN 43 700 using accessory M5ZZF 1 All connections must remain inside the electrical board Note that when the instrument is switched on the terminals may be dangerous when touched and opening or removing parts may access dangerous areas Therefore the equipment must not be used until it is properly installed A 72x72 mm front adapter accessory is use
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