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-LV
POWER /ENERGY METER SINGLE PHASE
AC/DC TRMS - RS485 MODBUS
QI-POWER-485-LV
POWER SUPPLY
9...30 Vdc, protection against polarity reversal
and overtemperature.
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
TRMS or DC
RANGE
Current: up to 50 A AC/DC
Voltage: up to 80 VAC or 100 VDC
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.
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
Cat IV up to 100 V
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.
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.
STRENGTHS:
●
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 first or
hundredts.
