Export department:

tel.: (+48 68) 45 75 130, 45 75 132

e-mail: export@lumel.com.pl

Calibration & Attestation:

e-mail: laboratorium@lumel.com.pl

Technical support:

tel.: (+48 68) 45 75 143, 45 75 141,

45 75 144, 45 75 140

e-mail: export@lumel.com.pl

LUMEL S.A.

ul. Słubicka 4,

65-127 Zielona Góra, Poland

tel.: +48 68 45 75 100,

www.LUMEL.CoM.pL

P43

Galvanic

isolation

:

RS

485

Supply

Outputs

Type of output

Properties

Relay output

0, 2 or 4 relays, voltageless NO contacts, load: 250 V a.c./ 0.5 A a.c.

Impulse energy output

O/C passive, acc. to EN 62053-31, impuls constant: 5000..20000 imp/kWh programmable,

independent on Ki, Ku ratio settings

Analog output

0, 2 or 4 programmable outputs: -20...0..20 mA, Rload = 0...500 W, accuracy 0.2%

ALARM

RS

485

-20...20 mA

Current transformer

Current transformer

Current transformer

L1

L2

L3

Features

MOD

BUS

RTC

input:

AC

outputs:

-20...20 mA

RS

485

USB

Measured value

Measuring range

L1

L2

L3

S

Basic error

Current 1/5A L1...L3

0.02...6 A a.c.*

l

l

l

±0.2%

Voltage L-N

2.9...276 V a.c.*

l

l

l

±0.2%

Voltage L-L

10...480 V a.c.*

l

l

l

±0.5%

Frequency

47.0...63.0 Hz

l

l

l

±0.2%

Active power

-1.65 kW...1.4 W...1.65 kW*

l

l

l

l

±0.5%

Reactive power

-1.65 kvar...1.4 var...1.65 kvar*

l

l

l

l

±0.5%

Apparent power

1.4 VA...1.65 kVA*

l

l

l

l

±0.5%

Tangens j

-1.2...0...1.2

l

l

l

l

±1%

Power factor PF

-1...0...1

l

l

l

l

±0.5%

Input active energy

0 .. 99 999 999.9 kWh*

l

±0.5%

Output active energy

0 .. 99 999 999.9 kWh*

l

±0.5%

Inductive reactive energy

0...99 999 999.9 kvarh*

l

±0.5%

Capacitive reactive energy

0...99 999 999.9 kvarh*

l

±0.5%

THD

0...100%

l

l

l

5%

* - for ratio Ki=Ku=1. Current ratio Ki programmable in the range 1...1000. Voltage ratio Ku programmable in the range 1...4000

Measured quantities and measuring ranges

Digital interface

Type of interface

Transmission protocol

Mode

Rate

RS-485 Modbus

MODBUS RTU

8N2, 8E1, 8O1, 8N1

4.8; 9.6; 19.2; kbit/s

USB 1.1/ 2.0

MODBUS RTU

8N2

9.6 kbit/s

• Measurement and conversion of power network

parameters in 4-wire balanced or unbalanced systems.

• Tetraquadrantic energy measurement (Ep+, Ep-, EQL, EQc).

• Measurement of 15, 30 or 60 minutes’ mean active

power (synchronization by an internal clock or a

walking window) with the archiving function of

1000 last samples.

• Programmable current and voltage transformer ratios.

• Programmable parameters through the RS-485 interface

or USB when using the free eCon software.

• RS-485 communication interface with MODBUS protocol.

• Detection and signalling of incorrect phase sequence.

• THD measurement.

Monitoring and control of power

engineering parameters.

Example of application

PROGRAMMABLE TRANSDUCER OF 3-PHASE POWER

NETWORK PARAMETERS

External features

Overall dimensions

96 ´ 120 ´ 100 mm

fixing on a 35mm DIN rail

Weight

0.3 kg

Protection grade

for casing: IP40

for terminals: IP10