POWER /ENERGY METER SINGLE PHASE AC/DC TRMS - RS485 MODBUS POWER SUPPLY 9...30 Vdc, protection against polarity reversal ABSORPTION < 1,3 W MEASUREMENT Irms, Vrms, Watt, Var, Va, Vpk, Ipk, Frequency, Cosφ, Energy bidirectional, THD, min e MAX of each measure TYPE OF MEASURE RANGE Current: up to 50 A AC/DC Voltage: up to 80 VAC or 100 VDC The QI-POWER-485-LV is the LOW VOLTAGE version of the Single-phase Power meter QI-POWER-485, able to measure the RMS AC or DC Current and Voltage. On the RS485 Modbus are available: Irms, Vrms, Watt, VAR, VA, Vpk, Ipk, Frequency, Cosφ, Energy bidirectional and THD. The device is fully configurable by RS485, DIN rail mounting, 4kV galvanic isolation for Voltage input. ACCURACY @25 °C up to 200 Hz Voltage, Current, Active Power: < 0,5% F.S. Frequency: ± 0,1 Hz Energy: ± 1% of reading Vpeak, Ipeak: ± 5% F.S. POWER /ENERGY METER SINGLE PHASE AC/DC TRMS - RS485 MODBUS OUTPUT RS485 Modbus RTU BAUDRATE From 1.200 a 115.200 baud CREST FACTOR 1,8 (on current measurement) WORKING FREQUENCY DC or 1...400 Hz SAMPLING RATE 11 k samples per second INPUT IMPEDENCE 1 Mohm ± 1% STANDARDS CE EN61000-6-4/2006 + A1 2011; EN64000-6-2/2005; EN61010-1/2010 OVERVOLTAGE CATEGORY ISOLATION 3 kV on bare wire for Current measure. 4 kV for Voltage measure (reinforced insulation to power supply and serial output) PROTECTION INDEX IP20 TEMPERATURE COEFFICIENT < 200 ppm/°C WORKING TEMPERATURE -15...+65°C STORAGE TEMPERATURE -40°C... +85°C HUMIDITY 10...90% not condensing ALTITUDE Up to 2000 m s.l.m. DIMENSIONS 46,1 x 63 x 26,4 mm (terminal excluded) TERMINALS Removable terminals 3,5 mm, n°1 of 4 poles, n°2 of 2 poles WEIGHT 80 g FILLING Epoxy resin BOX MATERIAL PBT, grey LED N°1 yellow, power on fixed, data communication blinking DIP-SWITCH 2 poles MOUNTING Screw predisposition for vertical/horizontal mounting, DIN rail clips (included) for vertical/horizontal mounting. LOW VOLTAGE VERSION; TRMS Measure, THD available; 0,5 % Accuracy; RS485 Modbus integrated; Bidirectional energy metering; DIN rail mounting in both side; OEM’S design, low cost; ● Fully configurable by free interface software FACILE QI-POWER-485; ● Bootloader for updating firmware; ● Available measure register: MSW first LSW fi

INSTRUCTION MANUAL MOUNTING: the Power Meter QI-POWER-485-LV can be mounted in any position (see photo below), horizontal or vertical mounting, horizontal or vertical through the two. REMARKS: ● Modbus connections: A+ and B- as per Modbus RTU standards; ● Modbus Register reference: with reference to the logical address, for ex. 40010, corresponds to physical address n°9 as per Modbus RTU standard; ● Modbus functions supported: 3 (Read multiple registers, max 100), 6 (Write single), 16 (Write multiple); INSTRUCTION MANUAL ● Any changes made by dip-switch required to switch off the power supply...