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10

RGU-10 MT

Instruction Manual

Figure 2: Installation of adapter accessory�

  

 

3�3�- TERMINALS OF THE DEVICE

Table 3:Terminal description RGU-10 MT�

Terminal description

1: 

Trigger input - External reset

9:

 Interlock relay (NC)

2:

 Trigger input - External reset

10:

 

A1,

 Power supply

3: 

Transformer current input 1S2

11:

 

A2

, Power supply / State of the circuit breaker

4: 

Transformer current input 1S1

12:

 State of the circuit breaker

5:

 Trip Contact, Coil (Common)

13:

 Motor output contact (OFF)

6:

 Trip Contact, Coil (NO)

14:

 Motor output contact (Common)

7:

 Interlock relay (NO)

15:

 Motor output contact (ON)

8: 

Interlock relay (Common)

7 8

1 2

4 5 6

10 11

13 14 15

Reset

Test

RGU-10 MT

12

3

9

Figure 3: RGU-10 MT Terminals�

   

3�3�1�- COMMUNICATIONS CONNECTIONS ON THE RGU-10C MT

AS

B

1

2

3

4

5

6

7

8

9

RS-485

Figure 4: RS-485 Communications (RGU-10C MT Model)�

Summary of Contents for RGU-10 MT

Page 1: ...INSTRUCTION MANUAL Electronic earth leakage protection relay RGU 10 MT Serie M98228501 03 21A...

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

Page 3: ...lly prior to connecting the unit Follow all installation and maintenance in structions throughout the unit s working life Pay special attention to the installation standards of the National Electrical...

Page 4: ...9 4 6 OPERATION 20 4 7 TROUBLESHOOTING OR REASONS FOR TRIPPING 22 4 7 1 POOR TOROID CONNECTION ALARM 22 4 7 2 TRIP ON DIFFERENTIAL FAILURE 22 4 7 3 TRIP ON CIRCUIT BREAKER FAILURE 23 4 7 4 REMOTE TRIP...

Page 5: ...e original device SYMBOLS Table 2 Symbols Symbol Description In compliance with the relevant European directive In accordance with the CMiM directive In accordance with the UKCA directive UK Conformit...

Page 6: ...d provide earth leakage overcurrent protection and the interlock function to indicate that the maximum number of reclosings has been reached Allows the setting and adjustment of all parameters require...

Page 7: ...tandard IEC 61008 1 IEC755 3 modules DIN rail In a panel using front accessory Displaying instant leakage values Backlit LCD display RGU 10C MT RS 485 communication Modbus RTU The measurement of the e...

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...

Page 9: ...sted cable should be used if connecting the earth leakage transformer over long distances 3 2 1 INSTALLATION OF DEVICE IN PANEL A 72x72 mm front adapter accessory is used to install the device on a pa...

Page 10: ...Power supply State of the circuit breaker 4 Transformer current input 1S1 12 State of the circuit breaker 5 Trip Contact Coil Common 13 Motor output contact OFF 6 Trip Contact Coil NO 14 Motor output...

Page 11: ...L C1 C2 O I 12 11 1S1 1S2 Type WG External ON OFF Disparo por BOBINA Trip by COIL 7 8 1 2 4 5 6 10 11 13 14 15 Reset Test RGU 10 MT 12 3 9 MT C 6 2 64 TRIP SEC T St Bobina de emisi n Pt Bobina de m n...

Page 12: ...er which is the MT C 62 64 mo torized circuit breaker CARGA LOAD N L1 L2 L3 M N L O I 12 11 Ty pe W G External ON OFF Disparo por MOTOR OFF Trip by OFF MOTOR 7 8 1 2 4 5 6 10 11 13 14 15 Reset Test RG...

Page 13: ...OAD N L1 L2 L3 M U N L C1 C2 O I 16 17 S1 S2 Type External ON OFF 7 8 1 2 4 5 6 10 11 13 14 15 Reset Test RGU 10 MT 12 3 9 TRIP SEC T St Bobina de emisi n Pt Bobina de m nima AJUSTE POR ON OFF externo...

Page 14: ...is the RECmax MP C D2 4 motorized circuit breaker CARGA LOAD N L1 L2 L3 M N L O I 16 17 Ty pe External ON OFF 7 8 1 2 4 5 6 10 11 13 14 15 Reset Test RGU 10 MT 12 3 9 S1 S2 RECmax MP C D2 4 Alimentaci...

Page 15: ...TION WITHOUT COIL WITH MT TSD CIRCUIT BREAKER The device is connected to the power supply before the circuit breaker which is the MT TSD motorized circuit breaker Figure 9 RGU 10 MT Connection without...

Page 16: ...current leakage Display Backlit LCD display Small size 3 m dule DIN rail Panel Adapter accessory Output Relays Programming of parameters ASSOCIATED BREAKING DEVICE Earth leakage device with trip coil...

Page 17: ...M key SAFETY key DELAY key Figure 11 Description LEDs and button 4 3 LEDs INDICATORS The device has 2 indicators LEDs Figure 11 Table 4 LEDs description ON LED ON LED State Description Off The device...

Page 18: ...g the expanded scale in the settings adds 5 10 and 30 A to the list of values above DELAY td It allows to choose between the values of 20 100 200 300 400 500 750 ms and 1 s Specifying the expanded sca...

Page 19: ...device trips through any event the screen s background changes to red and the reason for the trip is displayed Figure 12 Display RGU 10 MT Display messages by device trip Table 6 Table 6 Display mess...

Page 20: ...mbols while the device is being pro grammed and set Figure 14 Trip sensitivity Instant current leakage Active reconnection Contact polarity Trip delay Configuration setting Communications configuratio...

Page 21: ...device uses 4 screens 2 fixed and 2 floating To switch between them short press the PROG key Fixed screens These screens display the delay the programmed nominal current the current leakage current a...

Page 22: ...r Also the ERRt error message will permanently appear on the RGU 10 MT display A short circuit in the transformer secondary will also be detected as an error When this error is detected the correct co...

Page 23: ...It is not possible to manually reset or reset using communications Figure 19 Remote trip When it is remotely reset input terminals 1 2 the device is reconnected with the display backlit in green LED O...

Page 24: ...ting in the main figures Figure 21 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 Only one scale is displayed To change the scale see Sec...

Page 25: ...IVE SAFETY SETTING OF THE INTERLOCK RELAY Std contacts are on standby terminals 7 NO 8 Common and 9 NC contacts change status on powering the device the sign is displayed Terminals 7 NC 8 Com mon and...

Page 26: ...26 RGU 10 MT Instruction Manual 6 CONFIGURATION ADJUSTMENTS USING SETUP MENU To access the setup menu long press the PROG key PROG will be shown on the display Figure 24 Setup menu...

Page 27: ...communications menu the menu s home screen is displayed Figure 25 Figure 25 Home screen of the communications menu Press the PROG key to access the configuration parameters 6 1 1 PERIPHERAL NUMBER To...

Page 28: ...sing the PROG key 6 2 MEASUREMENT CONFIGURATION 6 2 1 WORKING FREQUENCY The display shows FREC To change the value press the PROG key The currently set frequency value is shown at the top left of the...

Page 29: ...change the circuit breaker press the td key repeatedly Programming values Mb coil trip or Ma magnetothermic trip When the desired value is shown on the screen validate the number by pressing the PROG...

Page 30: ...play shows SEC T To change the value press the PROG key To modify the status of the contactors on the coil press the td key repeatedly Programming values St standard or PS positive signal When the des...

Page 31: ...TOTHERMIC While the screens of differential and magnetothermic are displayed floating screens it is possible to view or modify The number of partial and total reclosings Assign the maximum number of r...

Page 32: ...cimal characters contained in each 8 bit field of the message Bits per byte 8 data bits Check Error CRC Cyclical Redundancy Check type Modbus functions used Function 0x03 Read Function 0x06 Write 8 2...

Page 33: ...01 00 03 00 00 00 3C 00 00 FF 64 Peripheral number 01 Write function 10 write multiple registers Register where you want the write to start 00 00 Number of registers to write 00 05 N of bytes to write...

Page 34: ...4 0 2 5 0 3 6 0 4 7 0 5 8 0 75 9 1 A 3 B 5 C 10 s Latch Relay Contacts Polarity 03 06 0009 0 Standard 1 Positive Total number of reconnections 03 06 0008 0 9999 Device version 03 000D 0 100 Status of...

Page 35: ...tage 230 V Rated current 6 A Instantaneous maximum current 10 A Rated load in AC 2500 VA Contacts protected by varistor Maximum voltage 275 V Mechanical useful life 10 x 106 operations Electrical usef...

Page 36: ...Sides and back cover Mechanical features Dimensions Figure 27 Weight 168 g Enclosure V0 Polycarbonate plastic Fixing DIN Rail Panel by accessory Terminals 7 mm 0 127 2 082 mm2 0 5 0 6 Nm Bar 0 4x2 5x8...

Page 37: ...from a possible 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 dist...

Page 38: ...38 RGU 10 MT Instruction Manual 12 CE CERTIFICATE...

Page 39: ...39 Instruction Manual RGU 10 MT...

Page 40: ...40 RGU 10 MT Instruction Manual...

Page 41: ...41 Instruction Manual RGU 10 MT...

Page 42: ...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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