Circutor RGU-10A - Page 52

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CIRCUTOR S.A.U.

Vial Sant Jordi, s/n

08232 - Viladecavalls (Barcelona)

Tel: (+34) 93 745 29 00 - Fax: (+34) 93 745 29 14

www.circutor.com central@circutor.com

Main Page

Safety Precautions3
Disclaimer3
Table of Contents4
Contents4
Revision Log6
Symbols6
1�- Verification Upon Reception7
Product Description7
3�- Installation of the Device8
3�1 - Preliminary Recommendations8
3�2�- Installation8
3�3 - Panel Mounting Accessory (729
3�4 - Device Terminals10
3�4�1� Rgu-10A10
3�4�2� Rgu-100A11
3�5 - Wgc Transformers11
3�5�1 Panel Installation11
3�5�2 Installation on a Din Rail12
3�5�3 Distribution of the Conductors in the Wgc13
3�6 - Connection Diagrams15
3�6�1 Connection with Emission Coil15
3�6�2 Connection with Undervoltage Coil16
4�- Operation17
4�1 - Principle of Operation17
4�2 - Led Indicators17
4�3 - Display18
4�4 - Keyboard Functions19
4�5 - Relay20
4�6 - Digital Input20
Display22
5�1 - Display Screens22
5�2 - Trip Display Screens23
5�3 - Test Screen24
5�4 - Lock24
5�5 - Error Screen25
6�- Direct Adjustments26
6�1 - Trip Current26
6�2 - Delay and Relay Curve27
7�- Configuration28
7�1 - Pre-Alarm Relay28
7�1�1 - Pre-Alarm Current29
7�1�2 - Delay of the Pre-Alarm Relay30
7�1�3 - Pre-Alarm Operation30
7�1�4�- Polarity31
7�2�- Trip Relay31
7�2�1 - Polarity32
7�2�2 - Trip Current Limit32
7�3�- Communications33
7�3�1�- Peripheral Number33
7�3�2�- Baud Rate34
7�3�3�- Data Bits / Parity / Stop Bit34
8�- Rgu-100A: Rs-485 Communications36
8�1�- Connections36
8�2�- Modbus Protocol36
8�3�- Modbus Commands37
8�3�1�- Variables of the Device37
8�3�2�- Tripping Due to Test or Communications38
8�3�3�- Device Configuration Variables38
9- Technical Features40
9�1 - Rgu-10A / Rgu-100A40
9�2 - Wgc42
10 - Maintenance and Technical Service46
11�- Guarantee46
12 - Eu Declaration of Conformity47
Annex a - Direct Settings50
Annex B - Setup Menu51

Circutor RGU-10A - Page 52

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