1. General Utilization and Commissioning Directions _________________________________________________________4
1.1 - Storage and Transportation______________________________________________________________________4
1.2 - Installation __________________________________________________________________________________4
1.3 - Electrical Connection ___________________________________________________________________________4
1.4 - Measuring Inputs and Power Supply _______________________________________________________________4
1.5 - Outputs Loading ______________________________________________________________________________4
1.6 - Protection Earthing ____________________________________________________________________________4
1.7 - Setting and Calibration _________________________________________________________________________4
1.8 - Safety Protection______________________________________________________________________________4
1.9 - Handling ____________________________________________________________________________________4
1.10 - Maintenance ________________________________________________________________________________5
1.11 - Waste Disposal of Electrical & Electronic Equipment __________________________________________________5
1.12 - Fault detection and repair ______________________________________________________________________5
2. General Characteristics _____________________________________________________________________________6
2.1 - Power Supply ________________________________________________________________________________6
2.2 - Operation and Algorithms _______________________________________________________________________7
2.2.1 - Reference Input Values _____________________________________________________________________7
2.2.2 - Input quantities ___________________________________________________________________________7
2.2.3 - Time Current Curves IEC (TU1029 Rev.0) _______________________________________________________9
2.2.4 - Time Current Curves IEEE (TU1028 Rev.0) _____________________________________________________10
3. Functions and Settings (Function) ____________________________________________________________________11
3.1 - T> (F49) - Thermal Image protection level_________________________________________________________11
3.1.1 - Thermal Image Curves (TU0445 Rev.0)________________________________________________________12
3.2 - I> (1F51) - First overcurrent protection level _______________________________________________________13
3.3 - I>> (2F51) - Second overcurrent protection level ___________________________________________________14
3.4 - IH (3F51) - Third overcurrent protection level ______________________________________________________15
3.4.2 –Automatic doubling or Overcurrent thresholds on current inrush ____________________________________15
3.5 - Io> (1F51N) - First Earth Fault protection level _____________________________________________________16
3.6 - Io>> (2F51N) - Second Earth Fault protection level __________________________________________________17
3.7 - IoH (3F51N) - Third Earth Fault protection level _____________________________________________________17
3.8 - BF (F51BF) - Breaker Failure____________________________________________________________________18
3.9 - I.R.F. - Internal Relay Failure ___________________________________________________________________18
3.10 - Osc - Oscillographic Recording _________________________________________________________________19
3.11 - Comm –Communication Parameters ____________________________________________________________20
3.12 - LCD –Display and Buzzer operation _____________________________________________________________20
4. Logic Blocking of Functions _________________________________________________________________________21
4.1 - Blocking Outputs _____________________________________________________________________________21
4.2 –Blocking Inputs______________________________________________________________________________21
5. Output Relays ___________________________________________________________________________________22
5.1 - RelayCfg (Relay Configuration only via Software “MSCom”) ____________________________________________22
5.1.1 –Output Relay ____________________________________________________________________________22
5.1.2 –“OutCfg” Outputs Configuration - via MSCom2 software ___________________________________________22
5.2 - Example: Change settings for “0.R1” _____________________________________________________________25
5.2.1 - “Output Config” __________________________________________________________________________25
5.2.2 - “Functions”______________________________________________________________________________25
5.2.3 - “OpLogic” _______________________________________________________________________________26
5.2.4 - “Output config”___________________________________________________________________________26
5.2.5 - “Timer”_________________________________________________________________________________27
6. Digital Inputs____________________________________________________________________________________28
6.1 –Digital Input on Main Module (Only via MSCom Software) _____________________________________________28
6.2 –Digital Input on Expansion Module (Optional and configured via MSCom Software)__________________________28
7. Self-diagnostic___________________________________________________________________________________28
8. Relay Management _______________________________________________________________________________29
9. Signalizations ___________________________________________________________________________________30
10. Keyboard Buttons _______________________________________________________________________________30
11. Serial Communication Port ________________________________________________________________________31
11.1 - Main RS485 Serial Communication Port __________________________________________________________31
11.2 - Communication Port on Front Face Panel _________________________________________________________32
12. Menu and Variables ______________________________________________________________________________33
12.1 - Real Time Measurements _____________________________________________________________________33
12.2 - Measure (Instantaneous Measurements) _________________________________________________________33
12.3 - Counter (Operation Counters)__________________________________________________________________33
12.4 - LastTrip (Event Recording) ____________________________________________________________________34
12.5 - R/W Set (Programming / Reading the Relay Settings) _______________________________________________35
12.5.1 - CommAdd (Communication Address)_________________________________________________________35
12.5.2 - Time/Date (Time/Date) ___________________________________________________________________35
12.5.3 - RatedVal (Rated Input Values) ______________________________________________________________35
11.5.4 - Function (Functions)______________________________________________________________________36
12.6 - Commands ________________________________________________________________________________37
12.7 - Info&Ver (Firmware - Info&Version) _____________________________________________________________37
13. Keyboard Operational Diagram _____________________________________________________________________38
14. Password ______________________________________________________________________________________39