Lumel N30O Manual de usuario

DIGITAL

PANEL METER

N30O TYPE

USER’S MANUAL

Contents

1. APPLICATION AND METER DESIGN ........................................5

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

3. BASIC REQUIREMENTS, OPERATIONAL SAFETY .................7

4. INSTALLATION............................................................................8

5. SERVICE ....................................................................................12

6. RS-485 INTERFACE ..................................................................36

7. SOFTWARE UPDATING............................................................50

8. ERROR CODES .........................................................................52

9. TECHNICAL DATA ....................................................................53

10. PROGRAMMING EXAMPLES ...................................................56

11. ORDER CODES .........................................................................58

12. MAINTENANCE AND GUARANTEE.........................................60

1. APPLICATION AND METER DESIGN

The programmable digital panel meter N30O is destined for measu-

rements: number of pulses, frequency, period, worktime, encoder

position. Additionally, the meter enables the indication of the current

time. The readout field is a LED display, which allows the exposition

in colours: red, green and orange. The measured input signal can be

arbitrary converted by means of mathematic functions and/or a 21-point

individual characteristic.

Features of the N30O Meter:

ldisplay colour individually programmed in three ranges,

lprogrammable thresholds of displayed overflows,

l2 NOC relay alarms operating in 6 modes,

l2 switched relay alarms with a switching contact operating

in 6 modes (option),

lsignaling of measuring range overflow,

lautomatic setting of the decimal point,

lprogramming of alarms and analog outputs with the reaction

on the selected input quantity (main or auxiliary input),

ladditional counter input,

lcontrol inputs of the main input work, additional or both simultaneously,

lsignaling of additional input state,

lpossible control of counter operation by means of the meter keyboard,

lautomatic reset of counters at the set point value

lreal-time clock with the function of the clock supply support in case

of the meter supply decay,

lprogrammed averaging time – function of walking window with the

averaging time up to 1 hour,

lmonitoring of set parameter values,

llocking of introduced parameters by means of a password,

lmathematic functions for measured value calculation,

lrecount of the measured quantity on the base of the 21-point

individual characteristic,

2. METER SET

The set is composed of:

- N30O meter......................................... 1 pc

- user’s manual...................................... 1 pc

- guarantee card ................................... 1 pc

- set of clamps to fix in the panel .......... 4 pcs

- seal...................................................... 1 pc

When unpacking the meter, please check whether the type and option

code on the data plate correspond to the order.

linterface with MODBUS protocol in the RTU mode (option),

lfirmware updating by RS485 interface (option)

lconversion of the measured value into a standard – programmable

current or voltage signal (option),

lhighlight of any measuring unit acc. to the order.

lsignaling of alarm operation – switching the alarm on causes the

highlight of the output number,

lgalvanic separation of pulse inputs between them,

lgalvanic separation between terminals: alarm, supply, input,

analog output, auxiliary supply, RS-485 interface.

Protection grade from frontal side: IP65

Meter overall dimensions: 96 x 48 x 93 mm (with terminals).

The meter casing is made of plastic.

Fig. 1 View of the N30O Digital Meter

3. BASIC REQUIREMENTS, OPERATIONAL

SAFETY

In the safety service scope, the N30O meter meets the requirements of

the EN 61010-1 standard.

Mentioned below applied symbols mean:

- especially important, one must acquaint with this information

before connecting the meter. The non-observance of notices

marked by this symbol can occasion injures of the personnel

and a damage of the instrument.

- one must take note of this when the instrument is working

inconsistently to the expectations. Possible consequences

if disregarded.

Observations concerning the operational safety

· All operations concerning transport, installation, and commissioning

as well as maintenance, must be carried out by qualified, skilled

personnel, and national regulations for the prevention of accidents

must be observed.

· Before switching the meter on, one must check the correctness

of connections.

· The meter is designed to be installed and exploited in

electromagnetic industrial environment conditions.

· When connecting the supply, one must remember that a switch or a

circuit-breaker should be installed in the building. This switch should

be located near the device, easy accessible by the operator, and

suitably marked as an element switching the meter off.

· Non-authorized removal of the housing, inappropriate use, incorrect

installation or operation, creates the risk of injury to personnel or

meter damage.

For more detailed information, please study the User’s Manual.

Fig. 3. Overall Dimensions

Fig. 2. Meter Fixing

4. INSTALLATION

The meter has separable strips with screw terminals, what enables the

connection of external wires of 1.5 mm2cross-section for input signals

and 2.5 mm2for other signals.

One must prepare a hole of 92+0,6 ´45+0,6 mm in the panel, which the

thickness should not exceed 6 mm.

The meter must be introduced from the panel front with disconnected

supply voltage. Before the insertion into the panel, one must check the

correct placement of the seal. After the insertion into the hole, fix the

meter by means of clamps (fig. 2).

Fig. 4. Description of Signals on Connection Strips

4.1. Lead-out of Signals

Signals led out on the meter connectors are presented on the fig. 4.

All input signals are separated between them and separated from

other circuits. Circuits of successive groups of signals are separated

between them.

Clamps Description Clamps Description

1-2

3-4

5-6

7-8

9-10

W3- Main input. Counting of pulses

downwards.

W2 - Additional input. Auxiliary

counter.

W1- Main input. Counting of pulses

upwards/ work time.

RST- Reset input (reset) of the main

counter or/and auxiliary counter.

The function is available after swit-

ching in the meter menu on.

S/S – start/stop of counting. The

function is available after switching

in the meter menu on.

11-12

13-14

15-16

17-18

20-21-22

23-24

25-26

27-28-29

30-31-32

34-35

alarm output 1, relay

alarm output 2, relay

24 V external transducer supply

output

supply

RS-485 output

analog output 1, voltage

analog output 1, current

alarm output 3, relay

alarm output 4, relay

OC – open collector output of

npn type– signaling of the range

overflow.

4.2. Examples of Connections

An example of a N30O meter and a inductive sensor connection with

an output of NPN and PNP type is presented on the fig. 5. The way to

connect a transducer with an output of contactron/relay type is pre-

sented on the fig. 6. In examples, the connection of the main input W1

is shown. Other inputs are connected in the same way but we must

remember, that all inputs are galvanically separated between them and

have a system limiting the input current. The range of voltages control-

ling the input should be in the 5..24 V d.c. range.

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