1. Catalogs
  2. qeed
  3. POWER /ENERGY METER SINGLE PHASE AC/DC - RS485 MODBUS QI-POWER-485-300-LV

POWER /ENERGY METER SINGLE PHASE AC/DC - RS485 MODBUS QI-POWER-485-300-LV

POWER /ENERGY METER SINGLE PHASE AC/DC - RS485 MODBUS QI-POWER-485-300-LV

POWER /ENERGY METER SINGLE PHASE AC/DC - RS485 MODBUS QI-POWER-485-300-LV

Product catalog summary
Overview: The QI-POWER-485-300-LV is a low voltage version of the single-phase power meter designed to measure RMS AC or DC current and voltage. It supports RS485 Modbus communication and is suitable for various industries including wind, hydro, shipbuilding, aviation, telecom, and data centers.
Specifications:
  • Power Supply: 9-30 Vdc with protection against polarity reversal and overtemperature.
  • Measurement Capabilities: Irms, Vrms, Watt, VAR, VA, Vpk, Ipk, Frequency, Cosφ, Energy bidirectional, THD.
  • Measurement Type: TRMS or DC.
  • Current Range: Up to 300 A AC or 400 A DC.
  • Voltage Range: Up to 80 VAC or 100 VDC.
  • Accuracy: Voltage, Current, Active Power < 0.5% F.S.; Frequency ± 0.1 Hz; Energy ± 1% of reading; Vpeak, Ipeak ± 5% F.S.
  • Output: RS485 Modbus RTU with baudrate from 1,200 to 115,200 baud.
  • Crest Factor: 1.4 on current measurement.
  • Working Frequency: DC or 1-400 Hz.
  • Sampling Rate: 11 k samples per second.
  • Input Impedance: 1 Mohm ± 1%.
  • Standards: CE EN61000-6-4/2006 + A1 2011; EN64000-6-2/2005; EN61010-1/2010.
  • Overvoltage Category: Cat IV up to 100 V.
  • Isolation: 3 kV for current measure, 4 kV for voltage measure.
  • Protection Index: IP20.
  • Temperature Coefficient: < 200 ppm/°C.
  • Operating Temperature: -15 to +65°C.
  • Storage Temperature: -40 to +85°C.
  • Humidity: 10-90% non-condensing.
  • Altitude: Up to 2000 m.
  • Dimensions: 89.1 x 99.25 x 28.5 mm.
  • Weight: 370 g.
  • Filling: Epoxy resin.
  • Box Material: PBT, grey.
  • LED Indicator: 1 yellow, power on fixed, data communication blinking.
  • DIP-Switch: 2 poles for configuration.
Mounting: The device can be mounted vertically or horizontally using DIN rail clips.
Configuration: The device can be configured using the FACILE QI-POWER-485 software or directly via Modbus Register Map. The software allows setting Modbus address, baudrate, delay, and filter adjustments for response time and measurement stability.
Energy Storage: Data is stored on flash memory for a minimum of 4.5 years, typically 45 years.
Safety and Precautions: Avoid installation near strong magnetic fields to prevent measurement inaccuracies. Ensure proper use according to instructions to maintain device protection.
See more

Catalog excerpts

POWER /ENERGY METER SINGLE PHASE AC/DC - RS485 MODBUS QI-POWER-485-300-LV-1

POWER /ENERGY METER SINGLE PHASE AC/DC - 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 The QI-POWER-485-300-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, 4 kV galvanic isolation for Voltage input. QI-POWER-485-300-LV ACCURACY @ 25°C UP TO 200Hz 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 - RS485 MODBUS OUTPUT RS485 Modbus RTU BAUDRATE From 1.200 a 115.200 baud CREST FACTOR 1,4 (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 89,1 x 99,25 x 28,5 mm (terminal excluded) TERMINALS Removable terminals 3,5 mm, n°1 of 4 poles, n°2 of 2 poles WEIGHT 370 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. Suitable for measurements with varying frequencies (Wind, Hydro, Shipbuilding Industries, Aviation). DC Motor Control, Telecom applications, Data Centers, UPS, Batteries monitor.

 Open the catalog to page 1
POWER /ENERGY METER SINGLE PHASE AC/DC - RS485 MODBUS QI-POWER-485-300-LV-2

INSTRUCTION MANUAL MOUNTING: the Power Meter QI-POWER-485-300-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...

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.