The electronic circuits reduced by M.S. 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. Copyright - 2010 - Microener...
24V(-20%) / 110V(+15%) a.c. 80V(-20%) / 220V(+15%) a.c. a) - b) - 24V(-20%) / 125V(+20%) d.c. 90V(-20%) / 250V(+20%) d.c. Before energising the unit check that supply voltage is within the allowed limits. Copyright - 2010 - Microener...
During power on, time tolerance depends on the on board crystal (+/-50ppm typ, +/-100ppm max. over full temperature range). During power off, time tolerance depends on the RTC’s oscillator (+65 –270 ppm max over full temperature range). Copyright - 2010 - Microener...
STALL The leds reset takes place as follows: From flashing to off, automatically when the flashing cause disappears. From Steady light to off by Enter/Reset push button (if the lit-on cause is cleared) Copyright - 2010 - Microener...
(only four user programmable outputs with double number of available contacts) MASTER RELAY Any of the functions featured by the MM30-W can be programmed to control up to four out of the sixteen user programmable output relays Copyright - 2010 - Microener...
The relays R5, R DIAG are not user programmable; they are normally energized and get deenergized on : - internal fault of MM30-W - Internal fault of REX-8 R5 - MM30-W power supply failure - REX-8 power supply failure R DIAG - during the programming - Interruption/fault on the serial...
10 ms). If any internal fault is detected, the display shows a fault message, the Led "PROG/IRF" illuminates and the relay R5 is deenergized. Complete test activated by the keyboard or via the communication bus either with or without tripping of the output relays. Copyright - 2010 - Microener...
- Yellow key ENTER/RESET : It allows the validation of the programmed settings the actuation of test programs the forcing of the default display indication the reset of signal Leds. e) - Indirect key : Enables access to the programming. Copyright - 2010 - Microener...
SBxxxxxA As above, phase C. SCxxxxxA SoxxxxxA As above, earth fault current. S1/mxxx% Positive sequence current component during starting time. S2/mxxx% Negative sequence current component during starting time. Measurement of the Motor Starting time. tStxxxxs Copyright - 2010 - Microener...
Enter the mode "SET DISP", select the menu "SETTINGS" or "F RELAY", scroll information available in the menu by keys "+" or "-". SETTINGS= values of relay's operation parameters as programmed RELAY= output relays associated to the different functions as programmed. Copyright - 2010 - Microener...
Motor starting time Switch-over current of motor starter Dis – 0.1 – 1 ITr0.5Ist (p.u. of motor starting current) Max switch-over time from reduced to full voltage operation 0.5 – 50 tTr 6s during motor starting. Copyright - 2010 - Microener...
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Minimum restart voltage (Reset level of the element U<) 0.01 Clock synchronisation Time 5-10 Expected time interval between sync. signal. 5 - 60 - Dis 15-30 Tsyn Dis m 60-Dis The setting Dis indicates that the function is disactivated. Copyright - 2010 - Microener...
This is extremely important as discharges eventually tacking place in other parts or components of the board can severely damage the relays or cause damages, not immediately evident to the electronic components. Copyright - 2010 - Microener...
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Doc. N° MO-0117-ING MM30-W Rev. Pag. 20 of 29 The performances and the characteristics reported in this manual are not binding and can modified at any moment without notice Copyright - 2010 - Microener...
22 of 29 18. WIRING THE SERIAL COMMUNICATION BUS (SCE1309 Rev.0) 19. CHANGE PHASE CURRENT RATED INPUT 1 OR 5A Connector Jumper Rated Input Phase A Current Input Rated Current Phase C Rated Input Current Neutral Copyright - 2010 - Microener...
Slide-in the card on the rails provided inside the enclosure. Plug-in the card completely and by pressing the handle to the closed position. Rotate anticlockwise the screws and with the mark in the vertical position (locked). Copyright - 2010 - Microener...
Trip level of under-voltage element Dis - 1 0.85 0.1 – 99.9 tU< Trip time delay of the under-voltage element 0.3 – 1.0 Minimum restart voltage Tsyn Clock synchronisation Time 5 - 60 - Dis Copyright - 2010 - Microener...
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Time delayed overvoltage tripping operates relay tU> tU> Time delayed undervoltage tripping operates relay tU< tU< Time delayed Phase loss tripping operates ready 1 1 Commissioning Engineer : Date : Customer Witness : Date : Copyright - 2010 - Microener...
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