Microelettrica Scientifica MC2-30V Manual de usuario

MC2-30V

Doc. N° MO-0499-ING

Date

17.03.2022

Rev.

Pag.

MICROPROCESSOR

THREE PHASE VOLTAGE PROTECTION RELAY

WITH

ISLANDING DETECTION

TYPE

“MC2-30V”

OPERATION MANUAL

MC2-30V

Doc. N° MO-0499-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 ________________________________________________________________________________20

12. Trip Recording __________________________________________________________________________________21

13. Partial Counters _________________________________________________________________________________23

14. Total Counters __________________________________________________________________________________24

15. Events ________________________________________________________________________________________25

15.1 – Events on display ___________________________________________________________________________26

16. System (System parameters) ______________________________________________________________________27

17. Settings _______________________________________________________________________________________28

17.1 - Modifying the setting of variables _______________________________________________________________29

17.2 - Password _________________________________________________________________________________30

17.3 – Menu: Communic. (Communication) ___________________________________________________________31

17.3.1 – Description of variables___________________________________________________________________31

17.3.2 – Front Panel USB serial communication port (RS232) ____________________________________________31

17.3.3 – Cable for connection from Relay to Personal Computer __________________________________________31

17.3.4 – Main serial communication port (RS485) _____________________________________________________31

17.4 - Menu: Customise (Human Machine Interface) ____________________________________________________32

17.4.1 – Description of variables___________________________________________________________________32

17.5 - Function: FileSys (File system and Disk management) ______________________________________________33

17.5.1 - Description of variables ___________________________________________________________________33

17.5.2 – Download file informations ________________________________________________________________33

17.6 - Function: 1U> (First Overvoltage Element F59)____________________________________________________35

MC2-30V

Doc. N° MO-0499-ING

Date

17.03.2022

Rev.

Pag.

17.6.1 - Description of variables ___________________________________________________________________35

17.6.2 - Operation _____________________________________________________________________________35

17.7 – Function: 2U> (Second Overvoltage Element F59) _________________________________________________36

17.7.1 - Description of variables ___________________________________________________________________36

17.7.2 - Operation _____________________________________________________________________________36

17.8 - Function: 1U< (First Undercurrent Element F27) ___________________________________________________36

17.8.1 - Description of variables ___________________________________________________________________36

17.8.2 - Operation _____________________________________________________________________________36

17.9 - Function: 2U< (Second Undercurrent Element F27) ________________________________________________36

17.9.1 - Description of variables ___________________________________________________________________36

17.9.2 - Operation _____________________________________________________________________________36

17.10 - Function: 1f> (First Overfrequency Element F81>) ________________________________________________37

17.10.1 - Description of variables __________________________________________________________________37

17.10.2 - Operation ____________________________________________________________________________37

17.11 - Function: 2f> (Second Overfrequency Element F81>)______________________________________________37

17.11.1 - Description of variables __________________________________________________________________37

17.11.2 - Operation ____________________________________________________________________________37

17.12 - Function: 1f< (First Underfrequency Element F81<) _______________________________________________38

17.12.1 - Description of variables __________________________________________________________________38

17.12.2 - Operation ____________________________________________________________________________38

17.13 - Function: 2f< (Second Underfrequency Element F81<) _____________________________________________38

17.13.1 - Description of variables __________________________________________________________________38

17.13.2 - Operation ____________________________________________________________________________38

17.14 - Function: 1Uo> (First Zero Sequence Overvoltage Element F59Vo) ___________________________________39

17.14.1 - Description of variables __________________________________________________________________39

17.14.2 - Operation ____________________________________________________________________________39

17.15 - Function: 2Uo> (Second Zero Sequence Overvoltage Element F59Vo) _________________________________39

17.15.1 - Description of variables __________________________________________________________________39

17.15.2 - Operation ____________________________________________________________________________39

17.16 - Function: U1< (First Voltmetric unlock islanding detector Element F81v) _______________________________40

17.16.1 - Description of variables __________________________________________________________________40

17.16.2 - Operation ____________________________________________________________________________40

17.17 - Function: U2> (Second Voltmetric unlock islanding detector Element F81v) _____________________________40

17.17.1 - Description of variables __________________________________________________________________40

17.17.2 - Operation ____________________________________________________________________________40

17.18 - Function: 1df/dt (First Frequency rate of change Element)__________________________________________41

17.18.1 - Description of variables __________________________________________________________________41

17.18.2 - Operation ____________________________________________________________________________41

17.19 - Function: 2df/dt (Second Frequency rate of change Element) _______________________________________41

17.19.1 - Description of variables __________________________________________________________________41

17.19.2 - Operation ____________________________________________________________________________41

17.20 - Function: TCS (Trip Circuit Supervision)_________________________________________________________42

18.20.1 - Description of variables __________________________________________________________________42

17.20.2 - Operation ____________________________________________________________________________42

17.21 - Function: IRF (Internal Relay Fault)____________________________________________________________43

17.21.1 - Description of variables __________________________________________________________________43

17.21.2 - Operation ____________________________________________________________________________43

17.22 - Function: Oscillo (Oscillographic Recording) _____________________________________________________43

17.22.1 - Description of variables __________________________________________________________________43

17.22.2 - Operation ____________________________________________________________________________43

17.22.3 – Available on software ___________________________________________________________________44

17.22.4 – Setting “User Trigger Oscillo” _____________________________________________________________45

17.22.5 – Example: Setting “Oscillo Trigger Logic” _____________________________________________________46

17.23 - Function: CB Mngn (Control C/B) _____________________________________________________________49

17.23.1 - Description of variables __________________________________________________________________49

17.23.2 – Push-Buttons (Programmable only via software) ______________________________________________49

17.24 - Function: ExtResCfg (External Reset Configuration) _______________________________________________51

17.24.1 - Description of variables __________________________________________________________________51

18. Input – Output (via software)______________________________________________________________________51

18.1 – Digital Input _______________________________________________________________________________51

18.2 – “DI” Configuration (via software) _______________________________________________________________51

18.2.1 – Example ______________________________________________________________________________52

18.2.2 – Name ________________________________________________________________________________52

18.2.3 – Status ________________________________________________________________________________52

18.2.4 – Functions _____________________________________________________________________________52

18.2.5 – Example: Setting “Digital Input” ____________________________________________________________52

18.3 – Physical Outputs____________________________________________________________________________53

18.4 - “DO” Configuration __________________________________________________________________________53

18.4.1 - Example configuration ____________________________________________________________________53

18.4.2 - Functions - Operation Mode________________________________________________________________54

19. InfoStatus _____________________________________________________________________________________58

19.1 - Description of variables ______________________________________________________________________58

20. Date and Time __________________________________________________________________________________59

20.1- Clock synchronization ______________________________________________________________________60

22. Healthy (Diagnostic Information) ___________________________________________________________________61

MC2-30V

Doc. N° MO-0499-ING

Date

17.03.2022

Rev.

Pag.

23. Dev.Info (Relay Version) __________________________________________________________________________61

24. Maintenance ___________________________________________________________________________________61

25. Wiring Diagram _________________________________________________________________________________62

26. Overall Dimensions ______________________________________________________________________________62

27. Electrical Characteristics __________________________________________________________________________63

MC2-30V

Doc. N° MO-0499-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.

MC2-30V

Doc. N° MO-0499-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 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.

RS485 communication port (independent from the USB port on front panel)

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

MC2-30V

Doc. N° MO-0499-ING

Date

17.03.2022

Rev.

Pag.

4. Keyboard and Display

Push-buttons 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

By the key



select the windows showing the ICONS of the available menus.

By the key





select the desired icon and enter by key



The different elements can be selected by the key



and



The details of the individual menus are given in the following paragraphs.

4.1 - Display

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

MC2-30V

Doc. N° MO-0499-ING

Date

17.03.2022

Rev.

Pag.

5. Icons of Display

LocalCmd Local Commands

Measure Actual Measurements

Max Val. 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

MC2-30V

Doc. N° MO-0499-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.

MC2-30V

Doc. N° MO-0499-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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