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20

RGU-10, RGU-10C

Instruction Manual

3�4�3�2�- Connection with current emission coil

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 device is set by programming by pressing  

Std/+ 

key in positive safety mode. The “

+

” 

symbol appears on the display.

N

L1 L2 L3

1S

1

1S

2

Ty

pe

WGC

1S

11S

2

Reset

Test

1 2 4 5 6 8 9

10 11

13 14 15

UTILIZACIÓN

USE

ON / OFF externo

External ON / OFF

Disparo por BOBINA DE EMISIÓN

- Rearme Manual

Trip by SHUNT COIL

- Manual reclose

Figure 13: Positive safety, current emission coil�

Summary of Contents for RGU-10

Page 1: ...INSTRUCTION MANUAL Electronic earth leakage protection relay RGU 10 RGU 10C M98203201 03 18A ...

Page 2: ...2 RGU 10 RGU 10C Instruction Manual ...

Page 3: ...efully prior to connecting the unit Follow all installation and maintenance instructions throughout the unit s working life Pay special attention to the installation stan dards of the National Electrical Code Refer to the instruction manual before using the unit In this manual if the instructions marked with this symbol are not respected or carried out correctly it can result in injury or damage t...

Page 4: ...ERATION 25 4 7 TROUBLESHOOTING OR REASONS FOR TRIPPING 26 4 7 1 POOR TOROID CONNECTION TRIP 26 4 7 2 PRE ALARM TRIP 26 4 7 3 FAULT TRIP 27 4 7 4 REMOTE TRIP 27 5 CONFIGURATION 28 5 1 DIRECT SETTING 28 5 1 1 SETTING THE SENSITIVITY TRIP 28 5 1 2 DELAY SETTING AND MAIN RELAY CURVE 28 5 1 3 POSITIVE SECURITY SETTING OF THE MAIN RELAY 29 5 1 4 SETTING THE PRE ALARM RELAY 29 5 2 SETTING BY SETUP 31 5 3...

Page 5: ...oses only and might differ from the original device SYMBOLS Table 2 Symbols Symbol Description In compliance with the relevant European directive The device complies with the 2012 19 EC European directive Do not dispose of the device in a household waste container at the end of its useful life Observe the local electronic device recycling regulations Direct current Alternating current ...

Page 6: ...ction and the pre alarm relay for installation prevention and maintenance Allows the setting and adjustment of all parameters required for complete protection and main tenance checking in the installation A series of parameters may be set directly from the key board buttons and by setting menus on the device itself Before starting the earth leakage device carefully read sections power supply conne...

Page 7: ...rement 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 WGC series earth leakage transformers The inner diameter of the transformer is defined by the installation s wir ing dimensions There are 2 models of the device RGU 10 without communications RGU 10C with communications RS 485 Main features Measurin...

Page 8: ...peration of the device to measuring the specified current or voltage values The manufacturer of the device shall not be held responsible for any damage resulting from the user or installation company failing to observe the warnings and or recommendations indicated in this manual nor for any damage resulting from the use of non original products or accesso ries or those from other brands Do not use...

Page 9: ...d to install the device 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 Figure 1 Figure 1 Adapter accessory The steps to follow to perform the installation of the adapter accessory are 1 The base is mounted on top of the device 2 The device is attached by screwing the holes in the device on the upper right ...

Page 10: ...rnal L 9 Toroid current input 1S2 2 Voltage input ON OFF external N 10 Power supply voltage input A1 4 Output common contact pre alarm 11 Power supply voltage input A2 5 NC output contact pre alarm 13 NO output contact trip 6 NO output contact pre alarm 14 NC output contact trip 8 Toroid current input 1S1 15 Output common contact trip Note Terminals 3 7 and 12 are free Figure 3 RGU 10 terminals ...

Page 11: ...wering the device 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 device N L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE ON OFF externo External ON OFF Disparo por BOBINA DE EMISIÓN Rearme Ma...

Page 12: ...anual L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE Reset exterior External Reset Disparo por BOBINA DE EMISIÓN Rearme Manual Trip by SHUNT COIL Manual reclose Figure 5 400 Vac power supply ...

Page 13: ...ipping the device 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 N L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE ON OFF externo External ON OFF Disparo por BOBINA DE EMISIÓN Rearme Automático mediante corte de alimentación Trip by SHUNT COI...

Page 14: ...pply out Reset exterior External Reset Figure 7 400 Vac power supply The device 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 sup ply from the installation is below the breaking device the system continues to be properly pro tected even though with limitations in terms of it...

Page 15: ...ice independent of the installation N L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE ON OFF externo External ON OFF Disparo por BOBINA DE EMISIÓN Rearme Manual Trip by SHUNT COIL Manual reclose Figure 8 24 120 Vdc power supply ...

Page 16: ...ntactor Using a Contactor the protection is reset by pressing RESET or by using an automatic switch The breaking device must be rearmed beforehand N L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE ON OFF externo External ON OFF Disparo por BOBINA DE MÍNIMA Rearme Manual Trip by UNDERVOLTAGE COIL Manual reclose Figure 9 24 230 Vac power supply ...

Page 17: ...C L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE Reset exterior External Reset Disparo por BOBINA DE MÍNINA Rearme Manual Trip by UNDERVOLTAGE COIL Manual reclose Figure 10 400 Vac power supply ...

Page 18: ... independent of the installation N L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE ON OFF externo External ON OFF Disparo por BOBINA DE MíNIMA Rearme Manual Trip by UNDERVOLTAGE COIL Manual reclose Figure 11 24 120 Vdc power supply ...

Page 19: ...self or through lack of voltage in the installation neutral or face fault 3 4 3 1 Connection with undervoltage coil 1 The breaking device has the power to trip using the undervoltage coil either internally con tactor or externally automatic switch 2 The device is set by programming by pressing Std key in positive safety mode The symbol appears on the display 3 The device s power supply has to be t...

Page 20: ... 1 The breaking device has the power to trip using the maximum current coil automatic switch 2 The device is set by programming by pressing Std key in positive safety mode The symbol appears on the display N L1 L2 L3 1S1 1S 2 Type WGC 1S11S2 Reset Test 1 2 4 5 6 8 9 10 11 13 14 15 UTILIZACIÓN USE ON OFF externo External ON OFF Disparo por BOBINA DE EMISIÓN Rearme Manual Trip by SHUNT COIL Manual r...

Page 21: ...LL SIZE 3 MODULE OUTPUT RELAY CONTACT STATUS SENSITIVITY from 50 80 I N DELAY from 20 ms 10 seconds SENSITIVITY from 30 mA 30A DELAY from 20 ms 10 seconds GREEN Normal operation status RED Trip status by fault or other event MINIMUM Voltage Current EMISSION ASSOCIATED BREAKING DEVICE CONTACTOR Connection by undervoltage coil EARTH LEAKAGE DEVICE WITH TRIP COIL TRIP COIL ASSOCIATED MEASURING DEVICE...

Page 22: ...rip Yellow LED Pre alarm Reset key Sensitivity setting Test key Setup configuration Pre alarm configuration Reset pre alarm setting Safety setting Delay setting Setup menu rotation Figure 14 LEDs and keyboard description 4 3 LEDs INDICATORS The device has 2 indicators LEDs Figure 14 Table 4 LEDs description ON dual colour LED ON Dual colour Green Red LED State Description Off The device is not ope...

Page 23: ...d Keys with dual function With a long press the device is entered to set the values With a short press the option within a series of values defined in the device is selected SENSITIVITY It allows to choose between the values of 30 100 300 500 mA 1 and 3 A This scale can be extended using the SETUP program to add 5 10 and 30 A to the above values DELAY It allows to choose between the values of 20 1...

Page 24: ...creen 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 If the device trips through any event the screen s background changes to red and the reason for the trip is displayed Figure 15 Display RGU 10 Display messages by device trip Table 7 Table 7 Display messages by d...

Page 25: ...ws the following symbols while the device is being programmed and set Figure 17 Configuration by communications Trip sensitivity Instant current leakage Pre alarm configuration Pre alarm reclosing Contact polarity Trip delay Adjustment of configuration Figure 17 Display description In normal operating status the display shows the following parameters associated with the earth leakage protection Ta...

Page 26: ... asso ciated earth leakage transformer Also the ERRt error message will permanently appear on the RGU 10 display 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 re...

Page 27: ...ble to manually reset or reset using communications Figure 20 Remote trip When it is remotely reset input terminals 1 2 removing the 230 Vac the equipment is recon nected 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 RS 485 communications The de vice remains tripped showing this incidence on the display with a REM mes...

Page 28: ...tting in the main figures Figure 22 Setting the sensitivity trip Possible setting values are 30 mA 100 mA 300 mA 500 mA 1 A 3 A 5 A 10 A and 30 A Note The scale is limited this is changed in the device s SETUP The default setting is a 3A scale 5 1 2 DELAY SETTING AND MAIN RELAY CURVE Pressing td for more than one second PROG appears and a setting from the list including curve types is increased wi...

Page 29: ...on is pressed for a short time the pre alarm setting is entered Alarm appears on the display Also the pre alarm threshold appears as a of the sensitivity setting and the pre alarm delay To exit press PROG Figure 25 Setting the pre alarm relay 5 1 4 1 Setting of the pre alarm current This is in terms of the program value in the main relay Pressing Id enters to change the value Relative values are s...

Page 30: ...27 Pre alarm time setting 5 1 4 3 Pre alarm positive safety setting Std contacts are on standby Terminals 4 5 NC and 6 5 NO contacts change status on powering the device the sign is displayed Terminals 4 5 NO and 6 5 NC Figure 28 Pre alarm positive safety setting 5 1 4 4 Reset pre alarm setting In the pre alarm menu the REC function is shown as disabled or enabled REC appears on the display when i...

Page 31: ...reached the parameter can be changed by pressing td rotating In order to enter the settings press the PROG but on again with the SAVE message showing the version of the device 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 A RGU 10C configuration men...

Page 32: ...s been entered using the PROG key 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 On entering configuration mode a screen is displayed informing that the device has entered configuration mode with the PROG symbol on the upper section of the first menu screen 5 3 1 OPERATING FREQUENCY The display sh...

Page 33: ...ll as the usual operation of each device 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 device is connected to one single series line RS 485 it is necessary to as sign 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 ...

Page 34: ...oves on to the next menu by pressing PROG key to allow the remaining values to be changed The peripheral number varies between 1 and 99 5 4 2 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 Repeatedly press the td button to change the baud rate increasing the value of a dig...

Page 35: ...upper left of the screen 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 It directly links with the first measurement SETUP screen...

Page 36: ... wired with twisted pair cable with mesh shield minimum 3 wires with a maximum distance between the RGU 10C and the master device of 1200 metres Up to 32 RGU 10C devices can be connected to this bus Use an intelligent RS 232 to RS 485 network protocol converter to establish the communications with the master device B A S GND B A S RS 232 USB Ethernet Profibus PC RS 485 RS 485 RS 232 USB Ethernet P...

Page 37: ...of Bytes Registers CRC nº 1 nº 2 nº 3 nº 4 nº 5 nº 6 nº 7 nº 8 nº 9 nº 10 0A 04 14 000A 0002 0000 0032 0000 0001 0000 0001 0014 0000 7EC9 Address 0A Responding peripheral number 10 in decimal Function 04 Read function No of bytes 14 No of bytes received 20 in decimal Registers 000A Address 0000h Peripheral number 10 0002 Address 00001h Baud rate 2 9600 bds 0000 Address 00002h Type of parity 0 None...

Page 38: ...r No of registers CRC 01 10 0000 0005 000A Nota Each Modbus frame has a maximum limit of 26 registers 6 3 MODBUS COMMANDS All Modbus map addresses are expressed in hexadecimal Table 12 Modbus memory map Parameter Symbol Address Reading Writing Values Units Peripheral No PERI 0000 R W 1 99 Baud rate bd 0001 R W 2400 4800 9600 19200 38400 57600 115200 bauds Type of parity PARI 0002 R W None Odd Even...

Page 39: ...s No HI 000B R 18AD 188C Series No LO 000C R 0000 FFFF Device version 000D R 0 100 Relay contacts status 0014 R off on main on pre alarm Effective value Current leakage 0015 R 0 65 000 mA Effective value Trip current 0016 R 0 65 000 mA Trip and external reset 0019 W 0000 Reset FFFF Test Enable setting saving 001A W 0000 Enable FFFF Save ...

Page 40: ...echanical useful life 10 x 106 Ambient temperature range 40 85 ºC Electrical useful life for AC loads Cut off power for DC loads Note Circutor guarantees that the RGU 10 RGU 10C device complies with a response time of less than 30 ms to 5In and in combination with the selected cutting element must guarantee a total cut off time of less than 40 ms to comply with the IEC 60947 2 M standard External ...

Page 41: ... 236 g Enclosure V0 self extinguishing plastic Fijación DIN rail Connections 7 mm 0 127 2 082 mm2 0 5 0 6 Nm stair road 0 4x2 5x80 mm 52 5 67 9 43 5 45 85 Figure 33 RGU 10 dimensions Safety Standard Designed for installations category III 300 V EN 61010 Protection against electric shock by class II double insulation Electrical accessories Residual current monitors for household and similar uses RC...

Page 42: ...ed from a pos sible failure improper installation or improper usage of the unit Consequently this guarantee does not apply to failures occurring in the following cases Overvoltages and or electrical disturbances in the supply Water if the product does not have the appropriate IP classification Poor ventilation and or excessive temperatures Improper installation and or lack of maintenance Buyer rep...

Page 43: ...43 Instruction Manual RGU 10 RGU 10C 10 CE CERTIFICATE ...

Page 44: ...44 RGU 10 RGU 10C Instruction Manual ...

Page 45: ...45 Instruction Manual RGU 10 RGU 10C ...

Page 46: ...CIRCUTOR SA Vial Sant Jordi s n 08232 Viladecavalls Barcelona Tel 34 93 745 29 00 Fax 34 93 745 29 14 www circutor es central circutor com ...

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