MICROELETTRICA MC2-30MW Manuel utilisateur

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

MICROPROCESSOR

MOTOR PROTECTION

WITH VOLTAGE AND POWER CONTROL

RELAY

TYPE

“MC2-30MW”

OPERATION MANUAL

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

1. General Utilization and Commissioning Directions _________________________________________________________5

1.1 - Storage and Transportation _____________________________________________________________________5

1.2 - Installation __________________________________________________________________________________5

1.3 - Electrical Connection___________________________________________________________________________5

1.4 - Measuring Inputs and Power Supply _______________________________________________________________5

1.5 - Outputs Loading ______________________________________________________________________________5

1.6 - Protection Earthing ____________________________________________________________________________5

1.7 - Setting and Calibration _________________________________________________________________________5

1.8 - Safety Protection _____________________________________________________________________________5

1.9 - Handling ____________________________________________________________________________________5

1.10 - Maintenance ________________________________________________________________________________5

1.11 - Waste Disposal of Electrical & Electronic Equipment __________________________________________________5

1.12 - Fault Detection and Repair _____________________________________________________________________5

2. General _________________________________________________________________________________________6

2.1 - Power Supply ________________________________________________________________________________6

3. Front Panel ______________________________________________________________________________________6

4. Keyboard and Display ______________________________________________________________________________7

4.1 - Display _____________________________________________________________________________________7

5. Icons of Display ___________________________________________________________________________________8

6. Signalization _____________________________________________________________________________________9

6.1 - Leds Manual Reset ____________________________________________________________________________9

6.2 – Display of the last trip _________________________________________________________________________9

7. Leds Configuration________________________________________________________________________________10

7.1 - Name _____________________________________________________________________________________11

7.2 - Link enable _________________________________________________________________________________11

7.3 - Status _____________________________________________________________________________________11

7.4 - Light Prog. _________________________________________________________________________________11

7.5 - Funct. Mode ________________________________________________________________________________11

7.6 - Functions __________________________________________________________________________________11

7.7 - Table 1 ____________________________________________________________________________________12

7.8 - Example: Change settings for “Led1” _____________________________________________________________13

7.8.1 - “Link Enable” ____________________________________________________________________________13

7.8.2 - “Flashing” ______________________________________________________________________________13

7.8.3 - “Funct.Mode” ____________________________________________________________________________14

7.8.4 -“Functions” _____________________________________________________________________________14

8. User Variables ___________________________________________________________________________________15

8.1 - Name _____________________________________________________________________________________15

8.2 - User Descr. _________________________________________________________________________________15

8.3 - Linked functions _____________________________________________________________________________15

8.4 - OpLogic____________________________________________________________________________________15

8.5 - Timer _____________________________________________________________________________________15

8.6 - Timer type _________________________________________________________________________________15

8.7 – Extra _____________________________________________________________________________________15

8.8 - Logical status _______________________________________________________________________________15

8.9 - Example: Setting “User Variable” ________________________________________________________________15

8.9.1 - “User description” (User descr.) _____________________________________________________________16

8.9.2 - “Linked Functions”________________________________________________________________________16

8.9.3 - “Operation Logic” (Oplogic) _________________________________________________________________17

8.9.4 - “Timer” ________________________________________________________________________________17

8.9.5 - “Timer type” ____________________________________________________________________________18

8.9.6 - “Extra”_________________________________________________________________________________18

9. Local Commands _________________________________________________________________________________19

10. Measure_______________________________________________________________________________________20

11. Maximum Values ________________________________________________________________________________21

12. Trip Recording __________________________________________________________________________________22

13. Partial Counters _________________________________________________________________________________24

14. Total Counters __________________________________________________________________________________25

15. Events ________________________________________________________________________________________26

15.1 – Events on display ___________________________________________________________________________27

16. System (System parameters) ______________________________________________________________________28

17. Settings _______________________________________________________________________________________29

17.1 - Modifying the setting of variables _______________________________________________________________30

17.2 - Password _________________________________________________________________________________31

17.3 – Menu: Communic. (Communication) ___________________________________________________________32

17.3.1 – Description of variables___________________________________________________________________32

17.3.2 – Front Panel USB serial communication port (RS232) ____________________________________________32

17.3.3 – Cable for connection from Relay to Personal Computer __________________________________________32

17.3.4 – Main serial communication port (RS485) _____________________________________________________32

17.4 - Menu: Customize (Human Machine Interface) ____________________________________________________33

17.4.1 – Description of variables___________________________________________________________________33

17.5 - Function: FileSys (File system and Disk management) ______________________________________________34

17.5.1 - Description of variables ___________________________________________________________________34

17.5.2 – Download file information _________________________________________________________________34

17.6 - Function: T> (Thermal Image F49) _____________________________________________________________35

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

17.6.1 - Description of variables ___________________________________________________________________35

17.6.2 - Trip and Alarm__________________________________________________________________________35

17.7 - Function: 1I> (First Overcurrent Element F50/51) _________________________________________________37

17.7.1 - Description of variables ___________________________________________________________________37

17.7.2 – Blocking Logic (BO-BI) ___________________________________________________________________38

17.7.3 - Automatic doubling of Overcurrent thresholds on current inrush ___________________________________38

17.8 – Function: 2I> (Second Overcurrent Element F50/51) _______________________________________________39

17.8.1 - Description of variables ___________________________________________________________________39

17.9 - Function: 3I> (Third Overcurrent Element F50/51) _________________________________________________39

17.9.1 - Description of variables ___________________________________________________________________39

17.10 - Function: 1Io> (First Earth Fault Element 50N/51N) _______________________________________________40

17.10.1 - Description of variables __________________________________________________________________40

17.11 - Function: 2Io> (Second Earth Fault Element 50N/51N) ____________________________________________40

17.11.1 - Description of variables __________________________________________________________________40

17.12 - Funzioni: 3Io> (Terzo elemento di guasto a terra 50N/51N) _________________________________________41

17.12.1 - Description of variables __________________________________________________________________41

17.13 - Function: 1Is> (First Negative Sequence Element F46)_____________________________________________42

17.13.1 - Description of variables __________________________________________________________________42

17.13.2 – Time/Current operation of the first Current Unbalance element “f(t)” ______________________________42

17.14 - Function:2Is> (Second Negative Sequence Element F46) ___________________________________________42

17.14.1 - Description of variables __________________________________________________________________42

17.15 - Function: 1U> (Overvoltage Element) __________________________________________________________43

17.15.1 - Description of variables __________________________________________________________________43

17.16 - Function: 1U< (Undervoltage Element) _________________________________________________________43

17.16.1 - Description of variables __________________________________________________________________43

17.17 - Function: 1f> (Overfrequency Element)_________________________________________________________43

17.17.1 - Description of variables __________________________________________________________________43

17.18 - Function: 1f< (Underfrequency Element)________________________________________________________43

17.18.1 - Description of variables __________________________________________________________________43

17.19 - Function: 1PF< (Low Power Factor Element) _____________________________________________________43

17.19.1 - Description of variables __________________________________________________________________43

17.20 - Function: MotSt (Motor Start) ________________________________________________________________44

17.20.1 - Description of variables __________________________________________________________________44

17.21 - Function: LR (Locked Rotor – Rotor jam) ________________________________________________________44

17.21.1 - Description of variables __________________________________________________________________44

17.22 - Function: StNo (Limitation Start Number) _______________________________________________________44

17.22.1 - Description of variables __________________________________________________________________44

17.23 - Function: StSeq (starting Sequence Control)_____________________________________________________45

17.23.1 - Description of variables __________________________________________________________________45

17.23.2 - Operation ____________________________________________________________________________45

17.24 - Function: I< (No load running) _______________________________________________________________45

17.24.1 - Description of variables __________________________________________________________________45

17.24.2 - Operation ____________________________________________________________________________45

17.25 - Function: TCS (Trip Circuit Supervision)_________________________________________________________46

17.25.1 - Description of variables __________________________________________________________________46

17.25.2 - Operation ____________________________________________________________________________46

17.26 - Function: IRF (Internal Relay Fault)____________________________________________________________47

17.26.1 - Description of variables __________________________________________________________________47

17.26.2 - Operation ____________________________________________________________________________47

17.27 - Function: BrkFail (Breaker Failure) ____________________________________________________________47

17.27.1 - Description of variables __________________________________________________________________47

17.27.2 - Operation ____________________________________________________________________________47

17.28 - Function: Oscillo(Oscillographic Recording) _____________________________________________________48

17.28.1 - Description of variables __________________________________________________________________48

17.28.2 - Operation ____________________________________________________________________________48

17.28.3 – Available on software ___________________________________________________________________49

17.28.4 – Setting “User Trigger Oscillo” _____________________________________________________________50

17.28.5 – Example: Setting “Oscillo Trigger Logic” _____________________________________________________51

17.29 - Function: CB Mngn (Control C/B) _____________________________________________________________54

17.29.1 - Description of variables __________________________________________________________________54

17.29.2 – Push-Buttons (Programmable only via software) ______________________________________________54

17.30 - Function: ExtResCfg (External Reset Configuration) _______________________________________________56

17.30.1 - Description of variables __________________________________________________________________56

18. Input – Output (via software)______________________________________________________________________56

18.1 – Digital Input _______________________________________________________________________________56

18.2 – “DI” Configuration (via software) _______________________________________________________________56

18.2.1 – Example ______________________________________________________________________________57

18.3 – Physical Outputs____________________________________________________________________________58

18.4 - “DO” Configuration __________________________________________________________________________58

18.4.1 - Example configuration ____________________________________________________________________58

18.4.2 - Functions - Operation Mode________________________________________________________________59

19. InfoStatus _____________________________________________________________________________________61

20. Date and Time __________________________________________________________________________________62

20.1- Clock synchronization ______________________________________________________________________63

21. Healthy (Diagnostic Information) ___________________________________________________________________64

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

22. Dev.Info (Relay Version) __________________________________________________________________________64

23. Maintenance ___________________________________________________________________________________64

24. Wiring Diagram _________________________________________________________________________________65

25. Overall Dimensions ______________________________________________________________________________65

26. Electrical Characteristics __________________________________________________________________________66

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

1. General Utilization and Commissioning Directions

Always make reference to the specific description of the product and to the Manufacturer's instruction.

Carefully observe the following warnings.

1.1 - Storage and Transportation

Must comply with the environmental conditions stated in the product's specification or by the applicable IEC

standards.

1.2 - Installation

Must be properly made and in compliance with the operational ambient conditions stated by the Manufacturer.

1.3 - Electrical Connection

Must be made strictly according to the wiring diagram supplied with the Product, to its electrical

characteristics and in compliance with the applicable standards particularly with reference to human safety.

1.4 - Measuring Inputs and Power Supply

Carefully check that the value of input quantities and power supply voltage are proper and within the

permissible variation limits.

1.5 - Outputs Loading

Must be compatible with their declared performance.

1.6 - Protection Earthing

When earthing is required, carefully check its effectiveness.

1.7 - Setting and Calibration

Carefully check the proper setting of the different functions according to the configuration of the protected

system, the safety regulations and the co-ordination with other equipment.

1.8 - Safety Protection

Carefully check that all safety means are correctly mounted, apply proper seals where required and

periodically check their integrity.

1.9 - Handling

Notwithstanding the highest practicable 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 which can be experienced when handling the modules.

The damage caused by electrostatic discharge may not be immediately apparent but the design reliability and

the long life of the product will have been reduced. The electronic circuits 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.

1.10 - Maintenance

Make reference to the instruction manual of the Manufacturer; maintenance must be carried-out by specially

trained people and in strict conformity with the safety regulations.

1.11 - Waste Disposal of Electrical & Electronic Equipment

(Applicable throughout the European Union and other European countries with separate collection program).

This product should not be treated as household waste when you wish dispose of it. Instead, it should be

handed over to an applicable collection point for the recycling of electrical and electronic equipment.

By ensuring this product is disposed of correctly, you will help prevent potential negative consequence to the

environment and human health, which could otherwise be caused by inappropriate disposal of this product.

The recycling of materials will help to conserve natural resource.

1.12 - Fault Detection and Repair

Internal calibrations and components should not be altered or replaced.

For repair please ask the Manufacturer or its authorized Dealers.

Misapplication of the above warnings and instruction relieves the Manufacturer of any liability.

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

2. General

The main features of the relays are:

User friendly front face with hi-resolution graphic display (240x128), 10 programmable signal Leds, 6 push-

buttons (configurable) and four push-button for complete local managemen, USB for local communication.

Eight user programmable Output Relays.

Eight opto-isolated, self powered Digital 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) current of the three inputs.

Current inputs can be 1 or 5A: selection between 1A or 5A is made by movable jumpers provided inside the

Relay.

2.1 - Power Supply

The relay can be fitted with two different types of power supply:

Type 1

24V(-20%) / 110V(+15%) a.c.

24V(-20%) / 125V(+20%) d.c.

Type 2

80V(-20%) / 220V(+15%) a.c.

90V(-20%) / 250V(+20%) d.c.

Before energizing the unit check that supply voltage is within the allowed limits.

3. Front Panel

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

4. Keyboard and Display

Pushbuttons Programmable

↓

Navigation

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,

Measurements, Energy metering etc).

Decrease

4.1 - Display

The 240x128 pixel hi-resolution LCD display the available information (menu, etc.).

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

5. Icons of Display

LocalCmd Local Commands

Measure 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

System System Settings

InfoStatus Information Status

TimeDate Time And Date

Healthy Diagnostic Information

Dev.Info Relay Version

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

6. Signalization

Eleven signal leds are provided:

Led Power Supply

Not programmable

Green

Leds

Programmable (via software)

N°

Colours

Green

Yellow

Red

Yellow

Red

Green

In case of auxiliary power supply failure the status of the leds is recorded and reproduced when power supply is

restored.

6.1 - Leds Manual Reset

For Leds manual reset operate as follows:

•

Press “Menu” for

access to the main

menu with icons.

•

Select

“LedClear”

•

Press “Select” to

execute the

command.

•

Select icon

“LocalCmd”.

•

When command has

been executed the

display shows

“Command Done”;

•

Press “Select”,

6.2 – Display of the last trip

Beside the signalization of the led “Trip”, indicating a generic function trip, the display shows a window

indicating the last function that was tripped and the number of events that are stored in the memory.

The display will show this window until the reset button or external reset are operated.

•

Press “Menu” to access to the main menu with icons.

Press “Home” to erase trip visualization.

Ex. “tTCS” (flashing) is the last trip.

MC2-30MW

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

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 relay.

- Select “Change Windows” from “Menu” button (options)

- Select “Led Setting”

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