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MICROELETTRICA MC2-30MW Operation Manual Download Page 18

 

 

MC2-30MW

 

 

Doc. N°

 

MO-0495-ING

 

 

Copyright 2018 

 

 

 

Date 

17.03.2022

 

Rev. 

2

 

 

Pag.  18 

of 

66 

 

 

 

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<0>” and press right button on mouse, 

 

 

 

 

 

 

 

 

 

 

 

 

Select “

10

” into box and press “OK”: 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for MC2-30MW

Page 1: ...MC2 30MW Doc N MO 0495 ING Copyright 2018 Date 17 03 2022 Rev 2 Pag 1 of 66 MICROPROCESSOR MOTOR PROTECTION WITH VOLTAGE AND POWER CONTROL RELAY TYPE MC2 30MW OPERATION MANUAL...

Page 2: ...________________________________________________15 8 1 Name _____________________________________________________________________________________15 8 2 User Descr _____________________________________...

Page 3: ...___44 17 22 1 Description of variables __________________________________________________________________44 17 23 Function StSeq starting Sequence Control _____________________________________________...

Page 4: ..._________________________________________________________________________________64 24 Wiring Diagram _________________________________________________________________________________65 25 Overall Dim...

Page 5: ...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...

Page 6: ...l Inputs Additional RS485 communication port Input currents are supplied to 3 current transformers measuring phase currents An additional internal CT directly measures the residual Zero Sequence curre...

Page 7: ...e Navigation menu By these buttons the options showed in correspondence on the display are selected Increase These buttons are used to scroll the items of the different menus Local Control Measurement...

Page 8: ...Actual Measurements MaxVal Maximum Values TripRec Trip Recording Counter Partial Counters Resettable Counter ROCnt Total Counter Read Only Counter Events Event Recording Setting Function Settings Sys...

Page 9: ...s 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 Do...

Page 10: ...of 66 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 r...

Page 11: ...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...

Page 12: ...ation Startings Number StSeqSucc Start Sequence Itr Switch over current DskClean Disk near Full clean operation is required DskFull Disk Full Write should be lock DskWR Disk write in progress DskFRMT...

Page 13: ...tched 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 Fla...

Page 14: ...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...

Page 15: ...UP 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...

Page 16: ...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...

Page 17: ...9 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...

Page 18: ...g 18 of 66 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...

Page 19: ...c records Yes Reset StNo Reset of the Starts Number 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 te...

Page 20: ...nts Ia Ib Ic Ia 0 99999 A RMS value phase A current Ib 0 99999 A RMS value phase B current Ic 0 99999 A RMS value phase C current Io 0 99999 A RMS value of Zero Sequence current RMS Secondary Amps I1...

Page 21: ...99999 A Largest of the 3 phase currents Ia Ib Ic Ia 0 99999 A RMS value phase A current Ib 0 99999 A RMS value phase B current Ic 0 99999 A RMS value phase C current Io 0 99999 A RMS value of Zero Se...

Page 22: ...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...

Page 23: ...and 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 Ia Ib Ic Ia 0 99999 A RMS value phase A current Ib 0 99999 A R...

Page 24: ...tions counters Start Sequence trip I 0 Operations counters No Load running trip TCS 0 Operations counters Trip Circuit Supervision IRF 0 Operations counters Internal Relay Fault BrkF 0 Operations coun...

Page 25: ...ons counters Second negative sequence current element motST 0 Operations counters Motor Start mStOV 0 Operations counters Motor Start Overall counter LR 0 Operations counters Locked Rotor trip StNo 0...

Page 26: ...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...

Page 27: ...Start Start sequence successful Rise Itr Start Start sequence trip switch over failure Rise I I Start Start No load running protection Rise Fall tI Trip Trip No load running protection Rise Fall MotON...

Page 28: ...ct 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...

Page 29: ...nt Element 3I 3I Third Overcurrent Element 1Io 1Io First Earth Fault Element 2Io 2Io Second Earth Fault Element 3Io 3Io Third Earth Fault Element 1Is 1Is First Negative Sequence Current Element 2Is 2I...

Page 30: ...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...

Page 31: ...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...

Page 32: ...interface 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 e...

Page 33: ...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...

Page 34: ...e relay and wait a few moments 17 5 2 1 Journal file Example Directory Descriptions DATALOG 2018 Year Jul Month 08 Day Jrnl_08 07 2018 txt Journal File Jrnl_08 07 2018 txt Date Time Event 2018 07 03 1...

Page 35: ...sly admissible current Is When the ratio 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 tri...

Page 36: ...MC2 30MW Doc N MO 0495 ING Copyright 2018 Date 17 03 2022 Rev 2 Pag 36 of 66 17 6 2 2 Thermal Image Curves TU1024 Rev 1...

Page 37: ...le 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...

Page 38: ...ng 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 ex...

Page 39: ...Trip time delay tBO is also the trip time delay of the Breaker Failure function t2xI Maximum time of automatic threshold doubling on inrush 17 9 Function 3I Third Overcurrent Element F50 51 Status Ena...

Page 40: ...EEE 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...

Page 41: ...0 02 100 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 Block...

Page 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...

Page 43: ...lay 17 17 Function 1f Overfrequency Element Status Enab No No Yes Oper Levels Fs 52 Hz 40 70 step 0 01 Hz Timers ts 100 s 0 02 100 step 0 01 s 17 17 1 Description of variables Enab Function enabling N...

Page 44: ...Status Enab Yes No Yes Oper Levels ILR 1 In 1 5 step 0 01 In Timers tLR 120 s 1 120 step 0 01 s 17 21 1 Description of variables Enab Function enabling No Disable Yes Enable ILR Minimum operation lev...

Page 45: ...r delta resistance or impedance autotransformer etc thus allowing to automatically manage the starting transition by controlling the parameters ITr tTr At motor start counting of tTr begins If during...

Page 46: ...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...

Page 47: ...g of the function operates a user programmable output relay 17 27 Function BrkFail Breaker Failure Status Enab No No Yes Timers tBF 0 75 s 0 05 0 75 step 0 01 s 17 27 1 Description of variables Enab F...

Page 48: ...Logic see User Trigger Oscillo FEUserLg On falling edge of User Logic tPre Recording time before Trigger tPost Recording time after Trigger 17 28 2 Operation In the options Trig Start and Trig Trip th...

Page 49: ...t element F50N 51N t3Io Trip 1Is 1Is Start First negative sequence current element F46 t1Is Trip 2Is 2Is Start Second negative sequence current element F46 t2Is Trip 1U 1U Start Overvoltage element t1...

Page 50: ...ions 17 28 4 4 OpLogic Operation Logic None OR AND XOR NOR NAND NOT Ff SR Counter Rise UP Fall Down 17 28 4 5 Timer Time delay 0 600 s step 0 01s 17 28 4 6 Timer type Delay Add a delay on output activ...

Page 51: ...Select Change Windows from Menu button Select User Variable Setting for User Trigger Oscillo 1I 2I 3I AND 1 Monostable 10 17 28 5 1 Linked Functions Select Linked Functions related to User Trigger Os...

Page 52: ...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 28 5 3 Timer Select Timer related to User Trig...

Page 53: ...8 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 28 5 5 Extra Select Extra related to User...

Page 54: ...le 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 before detection...

Page 55: ...r 0 UserVar 0 manOpCmd Gen Trip Manual Open Command Generic Trip UserVar 1 UserVar 1 CL Cmd Close Command 17 29 2 3 DO Configuration Select DO Configuration Assign to Type Linked Functions 0 R1 UserVa...

Page 56: ...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 Programmable D...

Page 57: ...ction function 18 2 1 4 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 1 5 Functions Sele...

Page 58: ...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...

Page 59: ...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...

Page 60: ...ctions Select Linked Functions related to 0 R1 and press right button on mouse select Value change From box Available select 1I and press Add Press OK for confirmation if Password is request see Passw...

Page 61: ...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 press right button on mouse select Value change Set 0 5 and press OK if...

Page 62: ...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...

Page 63: ...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...

Page 64: ...e 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 wit...

Page 65: ...MC2 30MW Doc N MO 0495 ING Copyright 2018 Date 17 03 2022 Rev 2 Pag 65 of 66 24 Wiring Diagram 25 Overall Dimensions...

Page 66: ...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...

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