ABB Vzduchové jističe EMAX E1-E6 Montážní návody a manuály (03)

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 189 z 660

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External system bus, RS485 physical interface, Modbus RTU protocol, baud rate 9600-19200 bps. +70°C -40°C .2. When the circuit-breaker opens, the page withthe"Trip" data displayed (when Test" pressed, automatically the presence Vaux). □ Watchdog for proper connection the Trip Coil (TC)..5 Communication bus Local bus rear connector; RS485 physical interface, Modbus protocol.. Protection against overtemperature “OT”. 12. 1SDH000635R0002 Page No.12. 12.2.. - Current; - Instantaneous current values over given tim interval (data logger). Model 3447 Apparatus Emax DC Scale D oc. - Maintenance: number operations, percentage contact wear, opening data storage (latest trips and events).2. Protection against closing short-circuit “MCR”; 5.2. 12.2 Binary outputs - K51/SZout: Zone selectivity: output for protection (only with Vaux) Note: These inputs/outputs should used between PR122/PR123 series units only. Protection against instantaneous short-circuit“I”; 4. These functions are as follows: □ Watchdog for presence Auxiliary power supply with "plug" icon displayed. enabled, the event undefined Rating Plug error Installation error, opening command is given the being enabled. A timing indication (message "alarm" LED) provided the unit's display,which activated duringa protection alarm.1 Powered the PR120/V-PR120/LV module For full explanation the features the PR120/V-PR120/LV, see par 12.8 Watchdog The PR122/DC unit provides some watchdog functions able guarantee the proper management relay malfunctions.4 Description inputs/outputs 12.1.. particular: 1. +90°C 0% .2. the case where the presence of current determined with the circuit-breaker the "OPEN" state, state error signaled warning message being displayed (see par. The display shows histograms with the currents the polarity the main page and numerical form. □ Watchdog for protection Trip. 98% with condensation IP 30 .6 Protection functions The PR122/DC protection unit carries out independent protection functions.7 Measurement functions The current measuring (ammeter) function available all versions the SACE PR122/DC unit.2.2. Protection against overload with inverse time “L” ; 2. 12.2.4.. disabled when the alarm condition ceases when the protection has been tripped.3 Environmental characteristics Operating temperature Storage temperature Relative humidity Degree protection (with PR122/DC installed the CB) 12. The characteristics the power pack are given the table below: Characteristics Version PR122/DC Auxiliary voltage (galvanically separated) 24V ±20% Maximum ripple 5% Inrush current 24V ~10 for 5ms Rated power 24V ~5W 12.2.5mA.2.6. The signal can combined with relay the PR120/K module with those the PR021/K unit.4.. Protezione override con rele non alimentato; 7. The presence the auxiliary power supply enables the relay unit used even with the circuit-breaker open, well powering all the modules. Protection against instantaneous short-circuit high currents "Iinst"; 6.2 Auxiliary power supply The external auxiliary power supply provided using galvanically-separated power pack. Protection against short-circuit with adjustable delay “S” ; 3. a Since the auxiliary voltage needs isolated from the ground, "galvanically separated converters" accordance with / the IEC standard 60950 (UL 1950) the equivalent IEC 60364-41 and CEI 64-8 have used guarantee current in Z common mode leakage current (as defined IEC 478/1 and CEI 22/3) greater than 3. 12. enabled, any faults are indicated special alarm message and the "alarm" LED coming on; the PR120/D-M module installed, this activates the coil opening command (YO), thus opening the CB.2. □ Rating PLUG validity.No. 31/108 . - The protection records the historical data the maximum current read.1 Binary inputs - K51/SZin: Zone selectivity: input for protection (only with Vaux) 12. 14. -25°C . Test bus front test connector.2.6) and the "warning" LED lighting up.1 Circuit-breaker state The PR122/DC unit records the state the circuit-breaker means specific wiring the circuit-breaker. 12