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Covers storage, installation, electrical connections, safety, handling, and disposal.
Details maintenance procedures and fault detection/repair.
Details the available power supply types for the relay.
Explains the LCD display capabilities and information shown.
Describes the function of the front panel push-buttons for navigation.
Details the 11 signal LEDs, their meaning, and manual reset procedure.
How to view the last recorded trip event on the display.
How to set the link enable status for an LED.
How to set an LED to flash.
How to set the function mode to latched for an LED.
How to assign a specific function (e.g., 1I>) to an LED.
Details parameters for user variables: Name, Description, Linked Functions, OpLogic, Timer, Timer Type, Extra, Logical Status.
Practical example of configuring a user variable.
Lists commands like Leds Clear, Relays Clear, C/B control, etc.
Step-by-step guide on executing a local command.
Procedure to navigate the menu and display measurements.
Explains each measured parameter (Imx, Ia, Ib, Ic, Io, I1, I2, Tem, tst).
Procedure to navigate the menu and display maximum values.
Explains each maximum value parameter (Imx, Ia, Ib, Ic, Io, I1, I2, Tem).
Procedure to access and view trip event logs and details.
Procedure to clear all recorded trip events.
Procedure to access, view, and reset the count of operations per function.
Procedure to access and view the total count of operations per function.
Procedure to access and view event logs and specific event information.
Procedure to clear all recorded events.
How to select and modify system settings within different groups.
How to configure Current Transformer, Potential Transformer ratios, and system ratings.
Lists variables available in both setting groups, covering communication, customization, file system, and protection functions.
How to navigate through menus, groups, and parameters to modify settings.
Step-by-step guide for entering the password using the keypad.
Explains BRRem, PRRem, and Addr. variables for communication.
Details USB and RS485 ports for PC and SCADA communication.
Explains Lang, Light, and tBckL variables.
Step-by-step guide for setting the local language.
Explains log, OniDF, StopWrite, and DelOldFiles variables.
How to download journal, fault log, and oscillographic files.
Details variables like Abil., OPMOD, Tal, Is, Tres, To.
Explains the heat accumulation algorithm and trip conditions.
Formula and explanation for calculating trip time based on current.
Details variables like Enab., f(t), tBI, Is, ts, tBO.
How to use blocking logic for inhibiting operation via external signals.
Feature to double thresholds during current inrush.
Details variables for the second overcurrent element.
Details variables for the third overcurrent element.
Details variables for the first earth fault element.
Details variables for the second earth fault element.
Details variables for the third earth fault element.
Details variables for the first negative sequence element.
Explains the f(t) variable for negative sequence element curves.
Details variables for the second negative sequence element.
Details variables for the motor start function.
Details variables for the locked rotor function.
Details variables for the start number limitation function.
Details variables for the starting sequence control.
Explains how the starting sequence control manages motor start-up.
Details variables for the no-load running function.
Explains the function's operation for no-load running protection.
Details variables for the TCS function.
Explains how the TCS function works and its wiring.
Details variables for the IRF function.
Explains the IRF function's operation.
Details variables for the BrkFail function.
Explains how the breaker failure detection works.
Details variables like Enab., Trig, tPre, tPost.
Explains how to trigger and manage oscillographic recordings.
Details parameters for user trigger logic including Name, OpLogic, Timer, etc.
How to link functions to the user trigger for oscillographic recording.
Explains variables for CB management like L/R, Key, Key0, KeyC, tL/R, tC/Bs.
How to program front panel buttons for CB control actions.
How to configure digital inputs for CB status and commands.
Explains the ActOn variable for external reset.
List of programmable digital inputs and their general behavior.
How to configure digital inputs to control various functions.
How to assign functions to a digital input.
Example of configuring output relays with linked functions and timing.
How to link functions to an output relay.
How to set the output configuration (e.g., Normally Denergized).
Step-by-step guide to setting the date, time, and day of the week.
General| Brand | Microelettrica Scientifica |
|---|---|
| Model | MC2-30M |
| Category | Protection Device |
| Language | English |
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