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MC2-30T

 

 

Doc. N°

 

MO-0483-ING

 

 

Copyright 2016 

 

 

 

Date 

17.03.2022

 

Rev. 

2

 

 

Pag.  70 

of 

70 

 

 

 

27. Electrical Characteristics 

 

APPROVAL: CE  

REFERENCE STANDARDS          IEC 60255  -  CE Directive  -  EN/IEC61000  -  IEEE C37 

Dielectric test voltage 

IEC 60255-5  

2kV, 50/60Hz, 1 min. 

Impulse test voltage 

IEC 60255-5 

 

 

    

  

 

5kV (c.m.), 2kV (d.m.) – 1,2/50

µ

Insulation resistance 

> 100M

 

 

Environmental Std. Ref. (IEC 60068) 

Operation ambient temperature 

-10°C / +55°C 

Storage temperature 

-25°C / +70°C 

Environmental testing  

(Cold) 

IEC60068-2-1 

 

 

(Dry heat) 

IEC60068-2-2 

 

 

(Change of temperature) 

IEC60068-2-14 

 

 

(Damp heat, steady state)  IEC60068-2-78  RH 93% Without Condensing AT 40°C 

 

CE EMC Compatibility (EN61000-6-2  -  EN61000-6-4  -  EN50263) 

Electromagnetic emission 

EN55011   

industrial environment 

Radiated electromagnetic field immunity test 

IEC61000-4-3     level 3   

80-2000MHz 

10V/m 

 

ENV50204    

 

900MHz/200Hz  

10V/m 

Conducted disturbances immunity test 

IEC61000-4-6 

level 3 

0.15-80MHz 

10V 

Electrostatic discharge test 

IEC61000-4-2 

level 3 

6kV contact / 8kV air 

Power frequency magnetic test 

IEC61000-4-8 

 

1000A/m 

50/60Hz 

Pulse magnetic field 

IEC61000-4-9 

 

1000A/m, 8/20

µ

Damped oscillatory magnetic field 

IEC61000-4-10   

100A/m, 0.1-1MHz 

Immunity to conducted common mode 

disturbance 0Hz-150KHz 

IEC61000-4-16  level 4 

 

Electrical fast transient/burst 

IEC61000-4-4 

level 3 

2kV, 5kHz 

HF disturbance test with damped oscillatory wave 

(1MHz burst test) 

IEC60255-22-1  class 3 

400pps, 2,5kV (m.c.), 1kV (d.m.) 

Oscillatory waves (Ring waves) 

IEC61000-4-12  level 4 

4kV(c.m.), 2kV(d.m.) 

Surge immunity test 

IEC61000-4-5 

level 4 

2kV(c.m.), 1kV(d.m.) 

Voltage interruptions 

IEC60255-4-11   

Resistance to vibration and shocks 

IEC60255-21-1  -  IEC60255-21-2  10-500Hz  1g 

 

CARACTERISTICS 

Accuracy at reference value of influencing factors 

1% In 

for measure 

 

2% + to (to=20

÷

30ms @ 2xIs)  for times 

Rated Current 

In = 1 or 5A    -   On = 1 or 5A 

Current Overload 

100 In for 1 sec; 4 In continuous 

Burden on current inputs 

Phase: 0.01VA at In = 1A; 0.2VA at In = 5A 

 

Neutral: 0.01VA at In = 1A; 0.2VA at In = 5A 

Average power supply consumption 

< 10 VA 

Output relays 

rating 5 A; Vn = 380 V 

A.C. resistive switching = 1100W (380V max) 

make = 30 A (peak) 0,5 sec. 

break = 0.3 A, 110 Vcc,  

L/R = 40 ms (100.000 op.) 

 

COMMUNICATION PARAMETER 

Rear serial port (Terminal Blocks) 

RS485 – 9600 to 38400 bps – 8,n,1 – Modbus RTU – IEC60870-5-103 

Front serial port (USB) 

RS232(virtual) – 9600 to 57600 bps – 8,n,1 – Modbus RTU 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This publication may be subject to alteration without prior notice. Therefore, a printed copy of this document may not be the latest revision. Please contact your local 

representative for the latest update. The trademarks MS Microelettrica Scientifica, Knorr and Knorr-Bremse as well as the figurative mark “K” are registered. Copyright 

© Knorr-Bremse AG and Microelettrica Scientifica SpA -  all rights reserved, including industrial property rights application. Knorr-Bremse AG and Microelettrica 

Scientifica SpA retain any power of disposal, such as for copying and transferring.

 

 

 

 

Microelettrica Scientifica S.p.A.

 

20090 Buccinasco (MI) · Via Lucania 2 · Italy · Tel.: +39 02 575731  

E-Mail: [email protected] · www.microelettrica.com 

 

Содержание MC2-30T

Страница 1: ...MC2 30T Doc N MO 0483 ING Copyright 2016 Date 17 03 2022 Rev 2 Pag 1 of 70 MICROPROCESSOR OVERCURRENT AND EARTH FAULT RELAY TYPE MC2 30T OPERATION MANUAL...

Страница 2: ...1 Name _____________________________________________________________________________________14 8 2 User Descr _________________________________________________________________________________14 8 3 L...

Страница 3: ...9 17 18 2 Operation ____________________________________________________________________________49 17 19 Function BreakerFail Breaker Failure ________________________________________________________49...

Страница 4: ...racticable protection means used in designing electronic circuits the electronic components and semiconductor devices mounted on the modules can be seriously damaged by electrostatic voltage discharge...

Страница 5: ...tion port independent from the USB port on front panel Input currents are supplied to 3 current transformers measuring phase currents An additional internal CT directly measures the residual Zero Sequ...

Страница 6: ...e used to scroll the items of the different menus Local Control Measurements Energy metering etc Decrease By the key select the windows showing the ICONS of the available menus By the key select the d...

Страница 7: ...DS Measure ACTUAL MEASUREMENTS TripRec TRIP RECORDING Counter PARTIAL COUNTERS RESETTABLE COUNTER ROCnt TOTAL COUNTER READ ONLY COUNTER Events EVENT RECORDING Setting FUNCTION SETTINGS System SYSTEM S...

Страница 8: ...e as follows 1 Press Menu for access to the main menu with icons 3 Select LedClear Press Select to execute the command 2 Select icon LocalCmd 4 When command has been executed the display shows Command...

Страница 9: ...f 70 7 Leds Configuration The relay manage up to 10 signal leds Programmable 1 led Power green For Leds programming only via software operate as follows Open the software program and connect to the re...

Страница 10: ...ed Flashing When cause appear led is flashing 7 5 Funct Mode Volatile When cause disappear led turn off Not memorized Latched When cause disappear led remain illuminated memorized 7 6 Functions Select...

Страница 11: ...disk usb now detachable rDskClean Removable disk usb near to full clean operation is required rDskFull Removable disk usb full write locked rDskWR Removable disk usb write in progress rDskFRMT Remova...

Страница 12: ...ched 1I Main Windows 7 8 1 Link Enable Select Link enable related to Led 1 and press right button on mouse select Value change Select Linked and press OK if Password is request see Password 7 8 2 Flas...

Страница 13: ...nct Mode related to Led 1 and press right button on mouse select Value change Select Latched and press OK if Password is request see Password 7 8 4 Functions Select Functions related to Led 1 and pres...

Страница 14: ...P Fall Down 8 5 Timer Time delay 0 600 s step 0 01s 8 6 Timer type Delay Add a delay on output activation The Timer is edge triggered on rise edge Monostable P Activated the output for the time Timer...

Страница 15: ...o UserVar 0 and press right button on mouse select Value change Insert Current Trip into box and press OK 8 9 2 Linked Functions Select Linked Functions related to UserVar 0 and press right button on...

Страница 16: ...3 Operation Logic Oplogic Select Oper Logic related to UserVar 0 and press right button on mouse select Value change Insert OR into box and press OK 8 9 4 Timer Select Timer related to UserVar 0 and...

Страница 17: ...g 17 of 70 8 9 5 Timer type Select Timer related to UserVar 0 and press right button on mouse select Value change Select Monostable P into box and press OK 8 9 6 Extra Select Extra related to UserVar...

Страница 18: ...ernal Failure Historic records Yes Reset Term Reset to zero of the accumulations relevant to Thermal Image and Interruption Energy only if T is enable Yes Leds Test Signal Leds test No Force Osc Force...

Страница 19: ...B current Ic 0 99999 A RMS value phase C current Io 0 99999 A RMS value of Zero Sequence Current RMS Secondary Amps I2 0 99999 In Negative Sequence current Tem 0 99999 T Thermal status as of the full...

Страница 20: ...ipRec icon with pushbutton Increase or Decrease Press Select for access 3 Select Display with pushbutton Increase or Decrease Press Select for access For Erase go to 8 4 If no trip is recorded the dis...

Страница 21: ...ded are erased if Password is request see Password 9 When command has been executed the display shows Command Done Press Exit to go back to the main menu Imx 0 99999 A Largest of the 3 phase currents...

Страница 22: ...losure cycle successful RCLBL 0 Operations counters Automatic reclosure blocked Lock out TCS 0 Operations counters Trip Circuit Supervision IRF 0 Operations counters Internal Relay Fault BrkF 0 Operat...

Страница 23: ...tomatic reclosure failed TwRCL 0 Operations counters Trip non enable for automatic reclosure RCLok 0 Operations counters Automatic reclosure successful MCLok 0 Operations counters Manual reclosure cyc...

Страница 24: ...ess 3 Select Display with pushbutton Increase or Decrease Press Select for access For Erase go to 7 4 If no event is recorded the display shows message No Events 5 If any event was recorded select Vie...

Страница 25: ...close by key Rise manClLocC Circuit Breaker intentional close by local command Rise manClRemC Circuit Breaker intentional close by remote command Rise manClExtIn Circuit Breaker intentional close by...

Страница 26: ...e Fall 0 D4 Digital Input D4 Rise Fall 0 D5 Digital Input D5 Rise Fall 0 D6 Digital Input D6 Rise Fall 0 D7 Digital Input D7 Rise Fall 0 D8 Digital Input D8 Rise Fall Output Relays 0 R1 Output relays...

Страница 27: ...t System icon with pushbuttons Increase or Decrease Press Select for access 3 Select CTs PTs Press Select for access 4 Select Phase CT Press Select for access 5 Select Primary to modify the value or p...

Страница 28: ...FileSys File Systems and disks management T T Thermal Image 1I 1I First Overcurrent Element 2I 2I Second Overcurrent Element 3I 3I Third Overcurrent Element 1Io 1Io First Earth Fault Element 2Io 2Io S...

Страница 29: ...ns Increase or Decrease 8 Set new values pushbuttons Increase or Decrease buttons Press Select Press Write 3 Select by pushbuttons Group 1 9 If the change of parameters is completed press Exit Press S...

Страница 30: ...ease or Decrease to set the third digit 2 Press Next to validate and go to the next digit 6 Press Next to validate and go to the next digit 3 Use the key Increase or Decrease to set second digit 7 Use...

Страница 31: ...nterface program for Windows XP 7 it is possible connect a Personal Computer to download all available information operate any control and program the relay the protocol used is Modbus RTU To avoid el...

Страница 32: ...Display backlight can be programmed always on ON or switched on Automatically for a few second set parameter tBckL at any operation of the keyboard Example set Local Language 1 Press Menu for access...

Страница 33: ...and write eJrn Journal log file Enable Journal file write enabled Disable Journal file write disabled eTrip Faults log file Enable Faults file write enabled Disable Faults file write disabled eOsc Os...

Страница 34: ...g File Trips_15 06 2016 txt Date Time Event Values 2016 06 15 08 17 27 200 tTCS Imx 0 0 Ia 0 0 Ib 0 0 Ic 0 0 Io 0 0 I2 0 00 Tem 0 2016 06 15 10 31 03 901 tTCS Imx 0 0 Ia 0 0 Ib 0 0 Ic 0 0 Io 0 0 I2 0...

Страница 35: ...o T Ts reaches the level set for Thermal Alarm Tal of the max allowed heating the relay trips accordingly 17 6 2 1 Trip time of the Thermal Image Element The trip time of the Thermal Image Element is...

Страница 36: ...MC2 30T Doc N MO 0483 ING Copyright 2016 Date 17 03 2022 Rev 2 Pag 36 of 70 17 6 2 2 Thermal Image Curves TU1024 Rev 1...

Страница 37: ...e Yes Enable f t Operation characteristic Time Current curve D Independent definite time A IEC Inverse Curve type A B IEC Very Inverse Curve type B C IEC Extremely Inverse Curve type C I IEEE Inverse...

Страница 38: ...g Logic it is possible to inhibit the time delayed tripping by an external signal that activates a Digital Input programmed for this functionality The programmed Digital Input gets activated by an ext...

Страница 39: ...he Breaker Failure function t2xI Maximum time of automatic threshold doubling on inrush td2xI Time for calculation of current rate of rise 17 9 Function 3I Third Overcurrent Element F50 51 Status Enab...

Страница 40: ...EE Moderate Inverse Curve SI IEEE Short Inverse Curve tBI Blocking Input reset time Off Permanent block 2tBO Set 2xtBO Is Minimum operation level ts Trip time delay tBO Time to reset of the Blocking O...

Страница 41: ...100 step 0 01 s tBO 0 75 s 0 05 0 75 step 0 01 s On Rated primary current of CTs or of the current Tore CT 17 12 1 Description of variables Enab Function enabling No Disable Yes Enable tBI Blocking In...

Страница 42: ...delay tBO Time to reset of the Blocking Output after expiring of the Trip time delay tBO is also the trip time delay of the Breaker Failure function 17 13 2 Time Current operation of the first Curren...

Страница 43: ...ot 3 4 1 3 4 AR Enable on shot 1 3 4 2 3 4 AR Enable on shot 2 3 4 1 2 3 4 AR Enable on shot 1 2 3 4 see example R 2I 1 2 3 4 Same as above R 3I 1 2 3 4 Same as above R 1Io 1 2 3 4 Same as above R 2Io...

Страница 44: ...Sequence Coordination SeqC tSeqC When SeqC is set to enable it allows the reclose element to count any downstream recloser operation taking place within the sequence coordination time tSeqC as its ow...

Страница 45: ...of the AR cycle are initiated on tripping of the function 1I R 1I 1 2 3 4 all the shots n 1 and 2 and 3 and 4 of the AR cycle are initiated on tripping of the function 1I R RT Recl Dis no shot is ini...

Страница 46: ...elements during TrCL makes the relay enter into the Lock Out status L O In the L O status the relay after breaker opening does not produce any command for automatic reclose in this situation the RCL d...

Страница 47: ...he reduction function does not operate tC1 I Reduced trip time for 1I tC2 I Reduced trip time for 2I tC3 I Reduced trip time for 3I tC1 Io Reduced trip time for 1Io tC2 Io Reduced trip time for 2Io tC...

Страница 48: ...ontact of R1 is used to trip the C B as reported in the drawing here below The supervision works when the C B is closed and recognizes the Trip Circuit as sound as far as the current flowing exceeds 1...

Страница 49: ...of the function operates a user programmable output relay 17 19 Function BreakerFail Breaker Failure Status Enab No No Yes Timers tBF 0 75 s 0 05 0 75 step 0 01 s 17 19 1 Description of variables Ena...

Страница 50: ...Logic see User Trigger Oscillo FEUserLg On falling edge of User Logic tPre Recording time before Trigger tPost Recording time after Trigger 17 20 2 Operation In the options Trig Start and Trig Trip th...

Страница 51: ...earth fault element F50N 51N t2Io Trip 3Io 3Io Start Third earth fault element F50N 51N t3Io Trip 1Is 1Is Start First negative sequence current element F46 t1Is Trip 2Is 2Is Start Second negative seq...

Страница 52: ...ons 17 20 4 4 OpLogic Operation Logic None OR AND XOR NOR NAND NOT Ff SR Counter Rise UP Fall Down 17 20 4 5 Timer Time delay 0 600 s step 0 01s 17 20 4 6 Timer type Delay Add a delay on output activa...

Страница 53: ...Select Change Windows from Menu button Select User Variable Setting for User Trigger Oscillo 1I 2I 3I AND 1 Monostable 10 17 20 5 1 Linked Functions Select Linked Functions related to User Trigger Osc...

Страница 54: ...n Logic Oplogic Select Oper Logic related to User Trigger Oscillo and press right button on mouse select Value change Insert AND into box and press OK 17 20 5 3 Timer Select Timer related to User Trig...

Страница 55: ...0 5 4 Timer type Select Timer related to User Trigger Oscillo and press right button on mouse select Value change Select Monostable P into box and press OK 17 20 5 5 Extra Select Extra related to User...

Страница 56: ...ve KeyE Disable The pushbuttons on Front Panel are disabled Enable The pushbuttons on Front Panel are Enable Key0 Configure a Key as C B Open KeyC Configure a Key as C B Close tL R Admissible time bef...

Страница 57: ...r 0 Gate 1 manOpCmd Gen Trip Manual Open Command Generic Trip UserVar 0 Gate 2 CL Cmd Close Command 17 21 2 3 DO Configuration Select DO Configuration Assign to Type Linked Functions 0 R1 Gate 1 0 R2...

Страница 58: ...hen the relevant terminals see wiring diagram are shorted 0 D2 Programmable D2 0 D3 Programmable D3 0 D4 Programmable D4 0 D5 Programmable D5 0 D6 Programmable D6 0 D7 Programmable D7 0 D8 Programmabl...

Страница 59: ...on function 18 2 5 Example Setting Digital Input Open software program and connect to the relay Select Change Windows from Menu Select DI configuration Setting for Bi1I 1I 18 2 5 1 Functions Select Fu...

Страница 60: ...1 Relay Relay internal name 18 4 1 2 Linked function It s available only 1 link select the function for tripping the output relay for multiple association use User Variable 18 4 1 3 Operation Logic N...

Страница 61: ...the output relay is operated when the controlling Functional Output is activated and remains in the operated condition until a manual reset command is issued by the relay keyboard local commands menu...

Страница 62: ...ings for 0 R1 Change settings for 0 R1 1I Normally Denergized Automatic reset 0 5 18 4 2 2 Linked Functions Select Linked Functions related to 0 R1 and press right button on mouse select Value change...

Страница 63: ...6 Date 17 03 2022 Rev 2 Pag 63 of 70 18 4 2 3 Output Config Select Output Config related to 0 R1 and press right button on mouse select Value change Select Normally Denergized from combo box and press...

Страница 64: ...tion related to 0 R1 and press right button on mouse select Value change Select Manual reset from combo box and press OK if Password is request see Password 18 4 2 5 tON Select tON related to 0 R1 and...

Страница 65: ...s Disable Local Remote Discrepancy Status LRC Last reclose cycle status NotAvail Not available Success Recloser success ManClose Manual reclos success Failed Recloser Failed Blocked Recloser blocked T...

Страница 66: ...W Day Es Wednesday 1 Press Menu for access to the main menu with icons 2 Select icon TimeDate by pushbuttons Increase or Decrease Press Select 3 Press Modify 4 The last two figures of the Year will ap...

Страница 67: ...y Press Exit to go back to the main menu Press Modify to go back to the step 3 Press the button Next to go back to the previous display 20 1 Clock synchronization The internal clock has 1ms resolution...

Страница 68: ...Corrupt Code Corrupt Data Corrupt Data Corrupt SPI Serial peripheral interface IIC I2C bus failure If an internal self clearing transient fault is detected it is recorded into an historical file with...

Страница 69: ...MC2 30T Doc N MO 0483 ING Copyright 2016 Date 17 03 2022 Rev 2 Pag 69 of 70 25 Wiring Diagram 26 Overall Dimensions MC2 30T...

Страница 70: ...aves Ring waves IEC61000 4 12 level 4 4kV c m 2kV d m Surge immunity test IEC61000 4 5 level 4 2kV c m 1kV d m Voltage interruptions IEC60255 4 11 Resistance to vibration and shocks IEC60255 21 1 IEC6...

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