Microelettrica Scientifica MC2-30M User Manual

64 pages

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MC2-30M

Doc. N° MO-0495-ING

Date

17.03.2022

Rev.

Pag.

MICROPROCESSOR

MOTOR PROTECTION

RELAY

TYPE

“MC2-30M”

OPERATION MANUAL

Table of Contents2
General Utilization and Commissioning Directions4
Storage and Transportation4
Installation4
Electrical Connection4
Measuring Inputs and Power Supply4
Outputs Loading4
Protection Earthing4
Setting and Calibration4
Safety Protection4
Handling4
General5
Power Supply5
Front Panel5
Keyboard and Display6
Display6
Icons of Display7
Signalization8
Leds Manual Reset8
Display of the Last Trip8
Leds Configuration9
Name10
Link Enable10
Status10
Light Prog10
Funct. Mode10
Functions10
Example: Change Settings for "Led112
Link Enable12
Flashing12
Funct.mode13
Functions13
User Variables14
Name14
User Descr14
Linked Functions14
Oplogic14
Timer14
Timer Type14
Extra14
Logical Status14
Example: Setting "User Variable14
User Description" (User Descr.)15
Linked Functions15
Operation Logic" (Oplogic)16
Timer16
Timer Type17
Extra17
Local Commands18
Measure19
Maximum Values20
Trip Recording21
Partial Counters23
Total Counters24
Events25
Events on Display26
System (System Parameters)27
Settings28
Modifying the Setting of Variables29
Password30
Menu: Communic. (Communication)31
Description of Variables31
Front Panel USB Serial Communication Port (RS232)31
Cable for Connection from Relay to Personal Computer31
Main Serial Communication Port (RS485)31
Menu: Customize (Human Machine Interface)32
Description of Variables32
Function: Filesys (File System and Disk Management)33
Description of Variables33
Download File Informations33
Function: T> (Thermal Image F49)34
Description of Variables34
Trip and Alarm34
Function: 1I> (First Overcurrent Element F50/51)36
Description of Variables36
Blocking Logic (BO-BI)37
Automatic Doubling of Overcurrent Thresholds on Current Inrush37
Function: 2I> (Second Overcurrent Element F50/51)38
Description of Variables38
Function: 3I> (Third Overcurrent Element F50/51)38
Function: 1Io> (First Earth Fault Element 50N/51N)39
Description of Variables39
Function: 2Io> (Second Earth Fault Element 50N/51N)39
Function: 3Io> (Third Earth Fault Element 50N/51N)40
Description of Variables40
Function: 1Is> (First Negative Sequence Element F46)41
Description of Variables41
Time/Current Operation of the First Current Unbalance Element "F(T)41
Function:2Is> (Second Negative Sequence Element F46)41
Function: Motst (Motor Start)42
Description of Variables42
Function: LR (Locked Rotor - Rotor Jam)42
Function: Stno (Limitation Start Number)42
Function: Stseq (Starting Sequence Control)43
Description of Variables43
Operation43
Function: I< (no Load Running)43
Function: TCS (Trip Circuit Supervision)44
Description of Variables44
Operation44
Function: IRF (Internal Relay Fault)45
Description of Variables45
Operation45
Function: Brkfail (Breaker Failure)45
Function: Oscillo (Oscillographic Recording)46
Description of Variables46
Operation46
Available on Software47
Setting "User Trigger Oscillo48
Example: Setting "Oscillo Trigger Logic49
Function: CB Mngn (Control C/B)52
Description of Variables52
Push-Buttons (Programmable Only Via Software)52
Function: Extrescfg (External Reset Configuration)54
Description of Variables54
Input - Output (Via Software)54
Digital Input54
DI" Configuration (Via Software)54
Example55
Physical Outputs56
DO" Configuration56
Example Configuration56
Functions - Operation Mode57
Infostatus59
Date and Time60
Clock Synchronization61
Healthy (Diagnostic Information)62
Dev.info (Relay Version)62
Maintenance62
Wiring Diagram63
Overall Dimensions63
Electrical Characteristics64

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Microelettrica Scientifica MC2-30M Specifications

General

Brand	Microelettrica Scientifica
Model	MC2-30M
Category	Protection Device
Language	English

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