Novus N1500G User Manual download pdf (Page 5)

Indicator N1500G

NOVUS AUTOMATION 5/5

Dois parâmetros devem ser configurados para utilização da interface

de comunicação serial: o Baud-Rate de Comunicação (parâmetro

bavd

bavdbavd

bavd) e o Endereço de Comunicação (parâmetro adres

adresadres

adres).

RS485 INTERFACE: ELECTRICAL CONNECTION

The RS-485 signals are: D1 = D: Bidirectional data line

D0 =

Inverted bidirectional data line

C =

GND: Optional connection. Improves

communication performance for

long cable runs.

9. PROBLEMS WITH THE INDICATOR

Connection errors or improper configuration will result in

malfunctioning of the indicator. Carefully revise all cable connections

and programming parameters before operating the unit.

Some error messages will help the user identify possible problems.

Message Possible Problem

Measured value is above the programmed

sensor or input signal limit.

Measured value is below the programmed sensor

or input signal limit.

Open input. No sensor is connected or the

sensor is broken.

Pt100 cable resistance is too high or the sensor

is badly connected.

Different messages other than the ones above should be reported to

the manufacturer. Please inform the serial number if this should

occur. the serial number can be viewed at the display by pressing the

BACK key for about 3 seconds.

The software version of the instrument can be viewed at the time the

unit is powered. The instrument might display false error messages

when wrongly programmed or when connected to a sensor for which

it was not programmed.

10. SPECIFICATIONS

DIMENSIONS:.........................310 x 110 x 37 mm. Approximate weight: 975 g

POWER: ....................................................100 to 240 Vac/dc ±10 %; 50/60 Hz

Max. Consumption:........................................................................... 10 VA

ENVIRONMENTAL CONDITIONS:

Operating temperature:.............................................................. 5 to 50 °C

Maximum RH:........................................................................80 % up to 30 ºC.

.................................. For temperatures above 30 ºC, decrease 3 % per ºC.

........................................................for indoor use; Installation category II,

pollution degree 2; altitude < 2000 m

INPUT ...................................Keyboard selection of input type (refer to table 1)

Internal resolution: ............................................................... 19500 levels

Display resolution:...........................................................................12000

Input sample rate:.................................................................5 per second

Accuracy: .....................Thermocouples J, K, T, N: 0.25 % of span ±1 ºC

........................................Thermocouple E, R, S, B: 0.25 % of span ±3 ºC

...................................................................................Pt100: 0.2 % of span

................................................. 4-20 mA, 0-50 mV, 0-5 V: 0.15 % of span.

Input impedance:..............0-50 mV, Pt100 and thermocouples: >10 MΩ

...............................................................................................0-5 V: >1 MΩ

.............................................................................0-20 mA, 4-20 mA: 22 Ω

Pt100 measurement:............................DIN 43760 standard (α=0.00385)

Excitation current:..................................................................... 0.750 mA

3-wire circuit, cable resistance compensation

ANALOG OUTPUT:...0-20 mA or 4-20 mA, 550 Ω max.; 4000 levels, isolated

RELAY OUTPUT:.......ALM1 and ALM2: SPST: 1.5 A / 240 Vac (3 A / 30 Vdc)

EMC :............................................EN 61326-1:1997 and EN 61326-1/A1:1998

SAFETY:.........................................EN61010-1:1993 and EN61010-1/A2:1995

START UP 3 SECONDS AFTER POWER UP;

PROTECTION: IP30

11. ORDERING INFORMATION

N1500G- RT - 485

A B C

A: Series model: 1500G

B: Analog output: RT – (Retransmission of the input

signal) or Blank

C:Digital Communication: 485 – ( RS485, ModBus protocol)

or Blanck

12. WARRANTY

This product is covered by a 12-month warranty provided the

purchaser presents the sales receipt and the following conditions are

met:

♦

Products are covered for one year from the original date of

purchase. Please retain the dated sales receipt as evidence of

the date of purchase. You will need it for any warranty service

♦

Within this period, warranty against defects in material and

workmanship under normal use is free of charge.

♦

For repair, send the product and the sales receipt to our address.

Expenses and transportation risks are under the purchaser’s

responsibility.

♦

This warranty does not cover any damage due to accident,

misuse, abuse, or negligence.

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Novus N1500G User Manual Page 5

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