MICROENER MC20-X/10-4 Operation Manual
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MICROENER MC20-X/10-4 Operation Manual

Microprocessor overcurrent and earth fault relay
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MC20-X/10-4
MO-0352-ING
Doc. N°
MICROPROCESSOR
OVERCURRENT and EARTH FAULT
RELAY
TYPE
MC20-X/10-4
(I/O Boards)
OPERATION MANUAL
Microener - Copyright 2010
FW 720.07.01
Date
09.04.2008
Rev.
1

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Summary of Contents for MICROENER MC20-X/10-4

  • Page 1 MC20-X/10-4 MO-0352-ING Doc. N° MICROPROCESSOR OVERCURRENT and EARTH FAULT RELAY TYPE MC20-X/10-4 (I/O Boards) OPERATION MANUAL Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev.

  • Page 2: Table Of Contents

    16.1 – UX10-4 - Expansion Module - Wiring Diagram (10 Digital Inputs + 4 Output Relays) ______________________________________ 32 17. Overall Dimensions ____________________________________________________________________________________________ 33 18. Direction for Pcb's Draw-Out and Plug-In __________________________________________________________________________ 34 18.1 - Draw-Out _________________________________________________________________________________________________ 34 18.2 - Plug-In ___________________________________________________________________________________________________ 34 19. Electrical Characteristics _______________________________________________________________________________________ 35 Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 3: General Utilization And Commissioning Directions

    The electronic circuits reduced by M.S. are completely safe from electrostatic discharge (8 KV IEC 255.22.2) when housed in their case; withdrawing the modules without proper cautions expose them to the risk of damage. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 4: Maintenance

    Internal calibrations and components should not be altered or replaced. For repair please ask the Manufacturer or its authorised Dealers. Misapplication of the above warnings and instruction relieves the Manufacturer of any liability. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 5: General Characteristics

     80V(-20%) / 220V(+15%) a.c. a) -  b) -   24V(-20%) / 125V(+20%) d.c.  90V(-20%) / 250V(+20%) d.c. Before energising the unit check that supply voltage is within the allowed limits. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 6: Operation And Algorithms

    C) Two Phase to Earth Fault Same as A + B D) Three Phase Fault All the three currents are correctly measured (in any case two directly). Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 7: Earth Fault Current Input (Ion)

    0.02 IEEE Very Inverse 3.88 0.0963 IEEE Inverse 5.95 0.18 IEEE Extremely Inverse 5.67 0.0352 The maximum measuring current is “40xIn” for phase elements and “10xOn” for the neutral elements. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 8: Time Current Curves Iec (Tu1029 Rev.0)

    MC20-X/10-4 MO-0352-ING Doc. N° 2.2.3 - Time Current Curves IEC (TU1029 Rev.0) Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 9: Time Current Curves Ieee (Tu1028 Rev.0)

    MC20-X/10-4 MO-0352-ING Doc. N° 2.2.4 - Time Current Curves IEEE (TU1028 Rev.0) Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 10: Functions And Settings (Function)

    Function operation triggers the oscillographic wave form capture  (see § 2.2.3.12) I>> Minimum phase current pick-up level (limited to 40 times In)  tI>> Trip time delay  t2xI Trip time delay  Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 11: Ih (3F51) - Third Overcurrent Protection Level

    1.25xIn or the set time [t2xI] has elapsed. This functionality is very useful to avoid spurious tripping of the instantaneous or short-time delayed Overcurrent elements that could be experienced at switch-on of reactive loads like Transformer or Capacitors. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev.

  • Page 12: Io> (1F51N) - First Earth Fault Protection Level

    Operation controlled by Blocking Digital Input  Function operation triggers the oscillographic wave form capture  (see § 2.2.3.12) Io>> Minimum Zero Sequence Residual Current Pick-up level  tIo>> Trip time delay  Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 13: Ioh (3F51N) - Third Earth Fault Protection Level

    Disable [Disable / Enable]  Options No Param No Parameters TripLev  No Param No Parameters Timers  No Param No Parameters FuncEnab If disable the function is disactivated  Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 14: I.r.f. - Internal Relay Failure

    In any case the number of event stored can not exceed ten (10 x 0.3 sec). Any new event beyond the 3 sec capacity of the memory, cancel and overwrites the former records (FIFO Memory). Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 15: Comm - Communication Parameters

    No Param No Parameters Timers  No Param No Parameters Buzzer “Beep” on operation of Keyboard buttons.  LCD Backlight continuously “ON” or switched-on Automatically on  operation of Keyboard buttons. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 16: Logic Blocking Of Functions

    Moreover, the operation of each of the output relays can be programmed to be either Normally Deenergized (energized on tripping of the controlling Functional Element) or Normally Energized (Deenergized on tripping of the controlling Functional Element). Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 17: Digital Inputs

    “ Event Records “ and the I.R.F. signal led is set to flashing. If “ I.R.F. “ is programmed to “NO Trip”, and only the I.R.F. signal led is set to flashing. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 18: Relay Management

    LCD display, or remotely via the communication bus RS485 connected to the rear terminal blocks. The 2 line x 8 characters LCD display shows the available information. Key buttons operate according to the flow-chart herebelow. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 19: Signalizations

    This button is besides used for the control of Open/Close C/B (see § Command). Reset Return from the actual selected menu to the former menu. Select + Scrolls variables available in the different menus or increases/decreases setting values. Select - Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 20: Serial Communication Port

    Please refer to the MSCom instruction manual for more information. Maximum length of the serial bus can be up to 200m. For longer distance and for connection of up to 250 Relays, optical interconnection is recommend. (please ask Microelettrica for accessories) Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev.

  • Page 21: Communication Port On Front Face Panel

    This port is used for communication through the Front Face Panel between a local Lap-top PC. The physical link is RS232 by the standard female 9-pin D-sub connector available on the Front Face Panel. Via this Port complete Relay management and data acquisition is possible. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 22: Menu And Variables

    Number of operation of Breaker Failure 0 – 65535 Number of External Trip commands I.R.F. 0 – 65535 Number of Internal Relay Faults 0 – 65535 Number of HW recovery operations Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 23: Lasttrip (Event Recording)

    RMS value of phase C current (Primary Amps) = 0.0 – 6553.5 RMS value of Zero Sequence Current (Primary Amps) to go back to “ Rec # “, to go back to “ Real Time Meas “. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev.

  • Page 24: R/W Set (Programming / Reading The Relay Settings)

    Rated Primary current of the tore C.T. detecting earth fault 9999 current. Rated secondary current of the tore C.T. detecting earth fault current. Reference primary current of the relay 9999 Freq System rated frequency 50 - Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 25: Function (Functions)

    Function operation triggers the oscillographic wave Enable/Disable form capture TripLev  2.00 Trip level of Earth Fault protection 0.01 – 9.99 0.01 Timers  tIoH 0.10 Trip time delay 0.05 – 60.00 0.01 Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.
  • Page 26 LCD Backlight continuously “ON” or switched-on ON - OFF Automatically on operation of Keyboard buttons. TripLev  No Parameters Timers  No Parameters Settings can also be programmed via the serial communication ports. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 27: Relaycfg (Relay Configuration)

    1.R4 BF, RTD, IRF, HwRec, CBopen, CBclose, 1.D1, 1.D2, 1.D3, 1.D4, 1.D5, 1.D6, 1.D7, 1.D8, 1.D9, 1.D10, Canstatus, CBFail. OpMode  N.E. N.D. (Normally Deenergized) N.D./N.E. N.E. (Normally Energized) Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 28: Commands

    “ Model XXXXXX ”, Model Relay “ RelayVrs ###.#.# X “, Firmware Version to go back to “ Info&Ver “. to go back to “ R eal T ime M eas “ Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 29: Keyboard Operational Diagram

    MC20-X/10-4 MO-0352-ING Doc. N° 12. Keyboard Operational Diagram Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.
  • Page 30 MC20-X/10-4 MO-0352-ING Doc. N° Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 31: Password

    This is extremely important as discharges eventually tacking place in other parts or components of the board can severely damage the relays or cause damages not immediately evident to the electronic components. Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 32: Connection Diagram

    MC20-X/10-4 MO-0352-ING Doc. N° 16. Connection Diagram 16.1 – UX10-4 - Expansion Module - Wiring Diagram (10 Digital Inputs + 4 Output Relays) Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 33: Overall Dimensions

    MC20-X/10-4 MO-0352-ING Doc. N° 17. Overall Dimensions Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev. Pag.

  • Page 34: Direction For Pcb's Draw-Out And Plug-In

    Slide-in the card on the rails provided inside the enclosure. Plug-in the card completely and by pressing the handle to the closed position. Rotate anticlockwise the screws  with the mark in the vertical position (locked). Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008...

  • Page 35: Electrical Characteristics

    Tél : +33 1 48 15 09 09 – Fax : +33 1 43 05 08 24 email : info@microener.com - http:// www.microener.com Les cotes, schémas et spécifications n’engagent Microener qu’après confirmation Microener - Copyright 2010 FW 720.07.01 Date 09.04.2008 Rev.

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