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RGU – 10 / RGU – 10C Electronic earth leakage protection relay

User manual
Extended version M 982 032 01 / 03 / 06 A © CIRCUTOR, S.A.

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 followingpoints on receipt of the relay: • • • The equipment delivered matches your order specifications. Check that the equipment has not been damaged during delivery. 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 safecondition. Installing and maintenance for this relay must be carried out by a qualified person.

CONTENTS
General features Installation and start-up Connection diagram Description. Operation. Equipment settings. Setting communication SETUP Setting measuring SETUP Menu diagrams for SETUP MODBUS Protocol MODBUS memory map RS485 Connections Scada PowerStudio applications..........................………......………….......................................... ...................................………...........…………............................ ………...........................................................…………............... ……...................…………........................................................... …….................................................………….............................……...............................................................…………............... ......………..............…………...................................................... ...............………...................…………........................................ ………................................................………….......................... …….................................................................…………...................………...............…………..................................................... ……......................................…………........................................ ……....................................................………….......................... page page page page page page page page page page page page page 4 6 9 16 18 21 23 25 26 27 27 29 30

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RGU-10 / RGU-10C electronic earth leakageprotection relay

DIN RAIL PANEL (ADAPTER ACCESSORY) SMALL 3 MODULE SIZE INSTANT CURRENT LEAKAGE DISPLAY

BACKLIT LCD DISPLAY
GREEN Normal operation status. RED Trip status by fault or other event.

PRE-ALARM RELAY
SENSITIVITY from 50 to 80%I∆N DELAY from 20 ms to 10 seconds

SETTING OF PARAMETERS
SENSITIVITY from 30 mA to 30 A DELAY from 20 ms to 10 seconds

OUTPUT RELAY CONTACT STATUSRS-485 MODBUS COMMUNICATIONS

ASSOCIATED BREAKING DEVICE
CONTACTOR. Connection by undervoltage coil EARTH LEAKAGE DEVICE WITH TRIP COIL

TRIP COIL
· MINIMUM Voltage · Current EMISSION

ASSOCIATED MEASURING DEVICE

EARTH LEAKAGE TOROID. WG/WGS FAMILY

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RGU-10 / RGU-10C electronic earth leakage protection relay

GENERAL FEATURES
The RGU-10 earth leakage relay is type Aprogrammable 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. Allows the setting and adjustment of all parameters required for complete protection and maintenance checking in the installation. A series of parameters may beset 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. Measurements are in true effective value, via one...
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