ero electronic DPL Manual de usuario
INSTRUCTION MANUAL
DPLDPL
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
CONTENTSCONTENTS
CONTENTS
SECTION 1 GENERAL INFORMATIONSECTION 1 GENERAL INFORMATION
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 2SECTION 2
SECTION 2 INSTALLATIONINSTALLATION
INSTALLATIONINSTALLATION
INSTALLATION
2.1 MOUNTING 2.1
2.2 WIRING GUIDE LINES 2.2
SECTION 3SECTION 3
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 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 5SECTION 5
SECTION 5 INSTRUMENT CALIBRATIONINSTRUMENT CALIBRATION
INSTRUMENT CALIBRATIONINSTRUMENT CALIBRATION
INSTRUMENT CALIBRATION
PROCEDUREPROCEDURE
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 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 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 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 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
3 Ω
> 200 kΩ
> 200 kΩ
> 200 kΩ
> 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.
9
10
11
100 V to 120 V AC
or 24 V AC/DC
LINENEUTRAL
EARTHPWS
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