Ero electronic DPL Manuale utente

INSTRUCTION MANUAL

DPLDPL

DPL

DIGITAL PANEL INDICATOR

with linear inputs

170.MAN.DPL.E00 0,1.2 - 99 /C

Dpl-e-0-02C.p65 29/01/99, 12.171

CONTENTSCONTENTS

CONTENTS

SECTION 1 GENERAL INFORMATIONSECTION 1 GENERAL INFORMATION

SECTION 1 GENERAL INFORMATION

1.1 INTRODUCTION Page 1.1

1.2 PRODUCTSPECIFICATIONS 1.1

1.3 OPTIONS 1.4

1.4 CODING 1.5

SECTION 2SECTION 2

SECTION 2 INSTALLATIONINSTALLATION

INSTALLATIONINSTALLATION

INSTALLATION

2.1 MOUNTING 2.1

2.2 WIRING GUIDE LINES 2.2

SECTION 3SECTION 3

SECTION 3 INSTRUMENT CONFIGURATIONINSTRUMENT CONFIGURATION

INSTRUMENT CONFIGURATIONINSTRUMENT CONFIGURATION

INSTRUMENT CONFIGURATION

3.1 FRONTPANELDESCRIPTION 3.1

3.2 INSTRUMENTCONFIGURATION 3.4

SECTION 4SECTION 4

SECTION 4 OPERATING INSTRUCTIONSOPERATING INSTRUCTIONS

OPERATING INSTRUCTIONSOPERATING INSTRUCTIONS

OPERATING INSTRUCTIONS

4.1 PRELIMINARY 4.1

4.2 OPERATIVEMODE 4.1

SECTION 5SECTION 5

SECTION 5 INSTRUMENT CALIBRATIONINSTRUMENT CALIBRATION

INSTRUMENT CALIBRATIONINSTRUMENT CALIBRATION

INSTRUMENT CALIBRATION

PROCEDUREPROCEDURE

PROCEDURE

5.1 DIPSWITCHES LOCATION 5.1

5.2 GENERAL GUIDE LINES FOR CALIBRATION 5.2

5.3 CALIBRATIONPROCEDURE 5.2

SECTION 6SECTION 6

SECTION 6 DEFAULT PARAMETERS SETTINGDEFAULT PARAMETERS SETTING

DEFAULT PARAMETERS SETTINGDEFAULT PARAMETERS SETTING

DEFAULT PARAMETERS SETTING

6.1 PRELIMINARY 6.1

6.2 DEFAULTPARAMETERSSETTING 6.1

6.3 DEFAULTCONFIGURATIONPARAMETERS 6.1

6.4 DEFAULTCALIBRATIONPARAMETERS 6.2

6.5 DEFAULTOPERATIVEPARAMETERS 6.2

SECTION 7SECTION 7

SECTION 7 ERROR MESSAGESERROR MESSAGES

ERROR MESSAGESERROR MESSAGES

ERROR MESSAGES

7.1 OUT OF RANGE 7.1

7.2 OPEN INPUT CIRCUIT 7.1

7.3 ERRORS 7.1

7.4 ERRORDESCRIPTIONS 7.2

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DIMENSIONS AND PANEL CUT-OUT

HORIZONTAL MOUNTINGHORIZONTAL MOUNTING

HORIZONTAL MOUNTING : Min distance between cut outs : 20 mm

PACKING OF MORE INSTRUMENT IN A SINGLE CUT OUTPACKING OF MORE INSTRUMENT IN A SINGLE CUT OUT

PACKING OF MORE INSTRUMENT IN A SINGLE CUT OUT (max 10 instruments): The total dimension of the cut out is the addition of the front

dimensions minus 3 mm. Vertical dimension of the cut out = ( n x 48 ) - 3 mm where n is the number of instruments to be packed.

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Page1.1

SECTION 1 GENERAL INFORMATION

1.1 INTRODUCTION

The DPL is digital panel indicators for linear inputs developed with a

variety of features.

As part of ERO ELECTRONIC background, this family also

maintains a high standard in quality, reliability and man/machine

interface simplicity.

The standard features like switching power supply, square root

extraction on the input variable, programmable digital filter on the

displayed value, max. value data hold, min. value data hold, two

independent alarms with relay outputs and isolated auxiliary power

supply offer the widest range of possible application.

The DPL comes with a complete availability of linear ranges (0-20

mA, 4-20 mA, 0-5 V, 1-5 V, 0-10 V and 2-10 V) with the capability to

display it, in engineering units, on a 4 digit plus dummy zero display

(99990) and it can be also supplied with RS 485 isolated serial

communication interface or a galvanically isolated analog retrans-

mission of the displayed value.

1.2 PRODUCT SPECIFICATIONS

1.2.1 GENERAL SPECIFICATIONS

Case :PC/ABS black color; self-extinguishing degree : V-0 according

to UL 94 - VDE - CSA.

Front panel : IP 54 protection (IEC 529 and CEI 70-1).

Installation :panel mounting by means of tie rods.

Instrument removable from case by screwdriver help

Plug in construction :PC boards are assembled by snap in action

for easy inspection and replacement of all boards.

Rear terminal block: with screw terminals and completed with

identification labels, connection diagrams and safety rear cover.

Dimensions: 1/8 DIN (DIN 43700) 48 x 96 mm, depth 149 mm.

Cut-out : 45 x 92 mm +0,8 mm - 0,0 mm.

Weight : 600 g max.

Displays: 5 red LED digits, 13.2 mm high, 7 segments plus decimal

point.

Front indicators: AL1- AL2- REM.

Power supply: 100V to 240V AC 50/60Hz (-15 % to + 10 % of the

nominal value) or 24 V AC/D.C. (+ 10 % of the nominal value)

Power consumption : 8 VA max.

Insulation resistance: > 100 MΩaccording to IEC 348.

Dielectric strength: 1500 V in accordance with IEC 348.

Conversion: dual slope integration.

Resolution: 25000 counts

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Page 1.2

Sampling time: 100 ms typical.

Display updating time: 400 ms typical.

Accuracy: + 0.1 % fsv + 1 digit @ 25 °C ambient temperature.

Common mode rejection ratio: 120 dB @ 50/60 Hz.

Normal mode rejection ratio: 60 dB @ 50/60 Hz.

Noise immunity: according to IEC 801-4, level 3

Temperature drift: < 200 ppm/°C on fsv.

Ambient temperature: 0 to 50 °C.

Storage temperature : -20 to +70 °C

Humidity: 20 to 85% RH, non condensing.

Protections: 1) WATCH DOG circuit for automatic restart.

2) DIP SWITCHES for protection against tamper-

ing of configuration and calibration parameters.

1.2.2 INPUTS

Input type: See table below.

Input capability: from -20 to 120 % of the selected input range.

Readout: keyboard programmable with 2 different ranges:

with 1 digit resolution from 1 to 10000

with 10 digits resolution from 10 to 99990.

Readout filter: First order digital filter on the readout value with

configurable time constant of 0.4, 1, 2, 3, 4 or 5 seconds.

Square root estraction: programmable

Decimal point : programmable in any position.

Burn out: down scale for 4-20 mA, 1-5 V and 2-10 V.

It is not detectable for the other ranges.

STANDARD RANGES TABLE

Input

type

0 - 20 mA

4 - 20 mA

0 - 5 V

1 - 5 V

0 - 10 V

2 - 10 V

Accuracy

Inputinpedance

3 Ω

> 200 kΩ

0.1 % + 1 digit

@25°C

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Page1.3

1.2.3 ALARMS

Number of alarms: two independent

Threshold: from 0 to 100 % of the readout span.

Hysteresis: programmable from 0.1 to 9.9 % of the readout span.

Type of alarm: High or low alarms programmable.

NOTE : The alarm becomes active at the alarm threshold value and

will be reset at the alarm threshold value plus or minus the

hysteresis value, according to the alarm type.

Reset: Automatic or Manual, programmable.

The manual reset of the alarms is possible by front

pushbuttons or by external contact.

Alarm action: direct or reverse (fail/safe) programmable

Alarm outputs: two relays, SPST, NC or NO selectable by jumpers.

Contact rating: 2.0 A @ 30 V DC on resistive load or

0.6 A @ 110 V AC on resistive load or

0.5 A @ 250 V AC on resistive load or

0.3 A @ 110 V DC on inductive load.

Alarm masking: low alarms can be programmed for masking at

instrument start-up.

Filter: it is possible to apply to the alarm function a digital filter with

the same time constant as chosen for readout filter.

Alarms indication: AL1 and AL2 indicators lit for alarm ON status.

1.2.4 AUXILIARY POWER SUPPLY

Isolation: galvanically isolated from instrument input and output.

Voltage output: 24 V DC

Accuracy : + 5 %

Max. power: 1.25 W

1.2.5 ADDITIONAL FUNCTIONS

Peaks detection : visualization of the max. and min. value

measured by the instrument

Digital filter: itispossibletosetadigitalfilteronthedisplayedvalue

with a time constant of 0.4, 1, 2, 3, 4 or 5 s. This filter

canbeappliedtotheanalogretransmissionandalarms

threshold also.

Logic input: one input driven by dry contact for manual reset of

the alarms or HOLD function enable.

Safety lock: for protection of the alarms threshold values.

Internal jumper : for configuration and calibration parameter

protection.

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Page 1.4

1.3 OPTIONS

1.3.1 COMMUNICATION INTERFACE

Type: RS-485 optoisolated.

Communication type: bi-directional.

Protocol: "Polling/Selecting"

Baud rate: from 150 baud to 19200 baud.

Format: 7 bits + parity bit

8 bits + parity bit

8 bits without parity bit

Parity: odd or even

Stop bit: one

1.3.2 ANALOG RETRANSMISSION

Isolated analog retransmission of the displayed value.

Scaling: programmable from 0 to 99990

Output type : 1) 0-20 mA and 4-20 mA, maximum load 500 Ω,

optoisolated

2) 0-10 V and 2-10 V minimum load 5000 Ω,

optoisolated

Selection:(between0-20mA,4-20mA,0-10Vand2-10V)byinternal

jumper and frontal keyboard.

Resolution : max. 0.05 % of the output span.

Accuracy: 0.2 % of the output span (@ 25°C).

Temperature drift: < 100 ppm/°C.

Output noise: < 0.1 % fsv RMS.

Updating time : 100 ms.

Filter: it is possible to apply to the analog retransmitted value a

digital filter with the same time constant as chosen for readout filter.

NOTE : The analog retransmission excludes the serial interface

option.

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Page1.5

MODEL

DPL = Digital panel indicator

with linear input

INPUTS

70 = 20 mA, 5 V, 10 V

AUXILIARY POWER SUPPLY

0 = isolated 24 V DC

OPTIONS

2 = No option

3 = RS-485

8 = Analog retransmission

ALARMS

1 = 2 alarms

POWER SUPPLY

4 = 100 to 240 V AC

5 = 24 V AC/DC

DPL 70 0 _ 1 _ 0 0 0

1.4 CODING

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Page2.1

SECTION 2 INSTALLATION

2.1 MOUNTING

Select a mounting location where there

is minimum vibration and the ambient

temperature must be between 0 and 50

°C.

The instrument can be mounted on a

panel up to 15 mm thick with a cut out of

45 x 92 mm +0.8 mm

Remove the two mounting brackets from

both sides of the

instrument, and insert the instrument

through the panel cut-out.

While holding the instrument against the

panel, insert the mounting brackets and

lock them by using a screwdriver until

the instrument is held securely against

the panel (see Fig. 2.1).

Fig. 2.1 HOW TO INSERT THE INSTRUMENT

- 0 mm

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Page2.2

2.2 WIRING GUIDE LINES

Connections are to be made with the instrument housing installed in

itsproperlocation.

Fig. 2.2 REAR TERMINAL BLOCK

A) POWER LINE

Fig. 2.3 POWER LINE WIRING

NOTE: 1) Before connecting the instrument to the power supply,

make sure that line voltage corresponds to lateral label

indication.

2)Terminal 11 mustbe connected toearth.

3) To avoid electric shock, connect power supply at the end

of the wiring procedure only.

4) The power supply input has no fuse protection.

Please, provide it externally.

100 V to 120 V AC

or 24 V AC/DC

LINENEUTRAL

EARTHPWS

Dpl-e-2-02C.p65 29/01/99, 12.172

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