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51U-1J2-R3 Datasheet(PDF) 1 Page - M-System Co.,Ltd. |
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51U-1J2-R3 Datasheet(HTML) 1 Page - M-System Co.,Ltd. |
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1 / 16 page  MODEL Panel Mounted Multi Power Meter 51-UNIT 51U Functions & Features • Measuring all major factors required for power & energy management • Transducer combined with 3 displays in one enclosure • RS-485 or DC current output • Totalized counter values stored in non-vola- tile memory • Occupying less panel space, requir- ing fewer connection• Easily replacing standard 110 mm (4 5/16 in.) square size, long scale meter • Pa- rameters are field-selectable Application Examples • Updating conventional power meter to a remote controlled power logger, only with additional trans- mitter output wiring • Installed within an indus- trial piece of electrical equipment MODEL & SUFFIX CODE SELECTION DEFAULT SETTING MULTI POWER METER DISPLAY A V x1kW x10kW R S T R-S S-T T-R 110 (4.33) 110 (4.33) 126 (4.96) mm (inch) *1 : Some display items or output types are not selectable according to the input type. See the detailed selection guide in the following pages. *2 : Page No. of the detailed selection guide *3 : V = Line voltage A = Line current kW = Kilowatt kvar = Kilovar PF = Power factor Hz = Frequency kWh = Kilowatthours kvarh = Kilovarhours DA = Demand (current) MDA = Maximum demand (current) V0 = Zero-phase voltage MV0 = Maximum zero-phase voltage ITEM DEFAULT SETTING CT primary rating 5.00A (element S for demand, time lag 15 min.) VT primay rating 110.0V or 220.0V, same as input rating GVT tertiary rating 110.0V Frequency range 45 – 65 Hz Pulse out. scaling factor 1 kWh/pulse (kvarh/pulse) Demand alarm setpoint 100% RS-485 Address: 01 Transmission speed: 4800 bps 51U–❑❑❑–❑❑ MODEL INPUT (balanced load) *1 0 : Single-phase / 2-wire, 105V / 5A AC (P. 5/16) *2 1 : Single-phase / 3-wire, 105V / 210V / 5A AC (P. 7/16) 2 : 3-phase / 3-wire, 220V / 5A AC (P. 10/16) 3 : 3-phase / 3-wire, 110V / 5A AC (P. 10/16) 4 : 3-phase / 4-wire, 110V / √ 3 V / 5A AC (P. 13/16) DISPLAY ITEMS *3 A :A × 3 B :V × 3 C :A × 3, V × 3 D :A × 3, V × 3, kW E :A × 3, V × 3, kWh F :A × 3, kW, kWh G : Hz, PF, kvar H :V × 3, MV0, V0 J :A × 3, DA, MDA K :A × 3 or DA, MDA, alarm setpoint L : Hz, PF, kW M :PF, kW, kWh N :V × 3, kW, kWh P :A × 3 or DA or MDA, V × 3, kWh Q :A × 3, PF, kW R :A × 3, PF, kvar S :A × 3 or PF, kW, kWh T :A × 3, PF, kvarh U :V × 3, Hz W :A × 3 or DA or MDA, V × 3, alarm setpoint X :A × 3, kvar, kvarh Y : Hz, PF, kWh OUTPUT 0 :None 1 :4 – 20mA DC, 3 points 2 :4 – 20mA DC, 2 points + pulse 3 :4 – 20mA DC, 2 points + reset input 4 : RS-485 (MsysNet use only. Consult Factory.) AUXILIARY POWER SUPPLY M : 85 – 264V AC R : 24V DC P :110V DC REMOTE CONTROL 1 : 85 – 132V AC or 85 – 143V DC 2 : 20 – 30V DC 3 : 170 – 264V AC P. 1 / 16 ES-6481 Rev.9 |
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