Lumel N100 Manuale utente

POWER NETWORK ANALYSER

N100

USER’S MANUAL

Contensts

1 APPLICATION.................................................................................. 5

2 METER SET..................................................................................... 6

3 BASIC REQUIREMENTS, OPERATIONAL SAFETY ..................... 6

4 INSTALLATION................................................................................ 7

5 METER DESCRIPTION ................................................................... 8

5.1 Current inputs.............................................................................. 8

5.2 Voltage inputs .............................................................................. 8

5.3 External connection diagrams ................................................... 8

6 N100 PROGRAMMING.................................................................. 13

6.1 Front panel................................................................................. 13

6.2 Power-on message.................................................................... 15

6.3 Operating modes....................................................................... 16

6.4 MEASURING mode.................................................................... 19

6.4.1 Measurement of voltage and current harmonics ................ 20

6.5 Parameter settings .................................................................... 25

6.5.1 Setting of meter parameters PAr........................................... 27

6.5.2 Setting the input and output parameters InoUt................... 30

6.5.3 Alarm conguration ALn........................................................ 31

6.5.4 Analog outputs conguration Ao_n ..................................... 35

6.5.5 Pages conguration PAG ...................................................... 39

6.5.6 Archiving conguration Arch ................................................ 42

6.5.7 Ethernet settings conguration Ethr.................................... 45

7 MEASURING VALUES ARCHIVING ............................................. 48

7.1 INTERNAL MEMORY.................................................................. 48

7.2 COPYING ARCHIVE TO SD CARD............................................ 48

7.3 ARCHIVE FILES STRUCTURE .................................................. 49

7.4 DOWNLOADING ARCHIVE FROM SD CARD .......................... 50

8 SERIAL INTERFACES................................................................... 51

8.1 RS485 INTERFACE – list of parameters .................................. 51

8.2 Examples of registers’ readout and write ............................... 51

8.3 Ethernet interface 10/100-BASE-T ........................................... 56

8.3.1 Connecting 10/100-BASE-T interface ................................... 56

8.3.2 WWW Server ........................................................................... 58

8.3.3 FTP Server............................................................................... 61

8.3.4 Modbus TCP/IP ....................................................................... 63

8.4 Map of N100 meter registers .................................................... 63

9 SOFTWARE UPGRADE ................................................................ 91

10 ERROR CODES........................................................................... 93

11 TECHNICAL DATA....................................................................... 94

12 ORDERING CODE..................................................................... 100

1. APPLICATION

The N100 meter is a programmable digital instrument designed

for the measurement of 3-phase, 3 and 4-wire power network para-

meters in balanced or unbalanced systems. The measured values

are displayed on a two-color LED display. The meter enables control

and optimization of the power electronic devices, systems and industrial

installations.

The meter provides measurement of: RMS of voltage and current,

active, reactive and apparent power, active, reactive and apparent

energy, power factors, frequency, the harmonics of current and voltage

/up to 51st/, THD of voltage and current, averaged active

and apparent power P Demand, S Demand, averaged current I Demand

/15, 30 or 60 minutes/. Voltages and currents are multiplied by gi-

ven voltage and current ratios of the measuring transformers.

Power and energy indications take into account all programmed ratio

values. The value of each measured value can be transmitted

to the master system via the RS-485 or Ethernet interface. Three relay

outputs signal the overow of the chosen value, and the pulse output

can be used for the consumption check of 3-phase active energy.

The programmable analog outputs map the assigned parameter.

The pulse input can be used to check the counters with the pulse outputs.

There is a galvanic separation between following units of the meter:

–supply

–voltage inputs

–current inputs

–RS485 interface

–Ethernet interface

–pulse input

–pulse output OC

–alarm outputs

–analog outputs

2. METER SET

Complete set of the meter includes:

–N100 Meter 1 pc

–user’s manual 1 pc

–warranty card 1 pc

– screw clamp to x in the panel 4 pcs

–RS485 interface connector 1 pc

3. BASIC REQUIREMENTS,

OPERATIONAL SAFETY

In terms of operational safety the controller meets the requirements

of the EN 61010-1 standard.

Comments concerning safety:

• The meter should be installed and connected only by a qualied

personnel. All relevant safety measures should be observed during

installation.

• Always check the connections before turning the meter on.

• Prior to taking the meter housing off, always turn the supply off

and disconnect the measuring circuits.

• Removal of the meter housing during the warranty period voids

the warranty.

• This meter conforms to all requirements of the electromagnetic

compatibility in the industrial environment.

• A switch or a circuit-breaker should be installed in the building

or facility. It should be located near the device, easily accessible

by the operator, and suitably marked.

4. INSTALLATION

The meter is adapted to be xed to the panel with moun-

ting brackets as presented on Fig. 1. The meter housing is made

of a self-extinguishing plastics.

Housing overall dimensions 144 x 144 x 77 mm, dimensions

of the assembly hole 138 x 138 mm. There are screw terminal strips on

the outer side of the meter which enable the connection of external wires

of diameter up to 2.5 mm2.

max 10

138 +0,5

144

77,3

137,6

Fig 1. Overall

dimensions

and mounting

of the N100 meter

the hole in the mounting plate

5. METER DESCRIPTION

5.1 Current inputs

All current inputs are galvanically isolated (internal current transformers).

The meter is adapted to work with external measuring current transfor-

mers / 1 A or 5 A /. Displayed current values and derivative values are

automatically converted in relation to the introduced external current

transformer ratio.

5.2 Voltage inputs

All voltage inputs are galvanically isolated (internal transformers).

Values on voltage inputs are automatically converted according

to the introduced ratio of the external voltage transformer. Voltage inputs

are specied in the order as 3x57.7/100V, 3x230/400V or 3x400/690V.

5.3 External connection diagrams

External connections are shown in Figures 2 and 3.

Version: 3 relays, 1 analog output, 1 pulse input, 1 pulse output

Pulse In.Out.1 Pulse Out. AL1 AL2 AL3

RJ45 socket

(Ethernet)

Interface RS-485

Version with 3 relay outputs,

1 analog output

Uaux

Fig. 2. Connections of output signals

Version: 3 analog outputs, 1 relay

Direct measurement in 4-wire network

Interface RS-485

Uaux Out.A1 Out.A2 Out.A3 AL3

RJ45 socket

(Ethernet)

Version with 3 analog outputs,

1 relay output

Semi-indirect measurement in 4-wire network

Fig. 3. Meter connections of input signals

in a 3-phase 4-wire network

Semi-indirect measurement in 4-wire network

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