DPS-Ang
DPS
DIGITAL PANEL INDICATOR
INSTRUCTION MANUAL
170.MAN.DPS.E00
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0,5.5 - 97 / 3 B
DIMENSIONS AND PANEL CUT-OUT
+ 0.8 mm
- 0.0 mm
+ 0.8 mm
- 0.0 mm
HORIZONTAL MOUNTING : Min distance between cut outs : 20 mm
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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CONTENTS
SECTION 1 GENERAL INFORMATION
1.1
1.2
1.3
1.4
1.5
INTRODUCTION
PRODUCT SPECIFICATIONS
OPTIONS
CODING
LABELS
Page
SECTION 5 INSTRUMENT CALIBRATION
PROCEDURE
5
5
8
9
10
5.1
5.2
5.3
MOUNTING
WIRING GUIDE LINES
6.1
6.2
6.3
6.4
6.5
12
13
SECTION 3 INSTRUMENT CONFIGURATION
3.1
3.2
FRONT PANEL DESCRIPTION
INSTRUMENT CONFIGURATION
PRELIMINARY
OPERATIVE MODE
PRELIMINARY
DEFAULT PARAMETERS SETTING
DEFAULT CONFIGURATION PARAMETERS
DEFAULT CALIBRATION PARAMETERS
DEFAULT OPERATIVE PARAMETERS
24
27
SECTION 7 ERROR MESSAGES
40
40
7.1
7.2
7.3
7.4
SECTION 4 OPERATING INSTRUCTIONS
4.1
4.2
43
44
44
SECTION 6 DEFAULT PARAMETERS SETTING
SECTION 2 INSTALLATION
2.1
2.2
DIP SWITCHES LOCATION
GENERAL GUIDE LINES FOR CALIBRATION
CALIBRATION PROCEDURE
OUT OF RANGE
OPEN INPUT CIRCUIT
ERRORS
ERROR DESCRIPTIONS
APPENDIX A
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54
54
54
55
55
56
56
56
57
62
SECTION 1
1.2 PRODUCT SPECIFICATIONS
GENERAL INFORMATION
1.21 GENERAL SPECIFICATIONS
Case
PC/ABS black color; self-extinguishing degree : V-0
according to UL.
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: 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: LCD with high brightness solid state back lighter
numerical display: 4 digits, 7 segments with decimal point,
14.5 mm high, from -1999 to 9999.
alphanumerical display:2 digits, 16 segments with
decimal point, 9 mm high,
Front indicators: AL1- AL2- PK H- PK L- LOCK- 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 MΩ according to IEC 348.
Dielectric strength: 1500 V in accordance with IEC 348.
1.1 INTRODUCTION
The DPS is a family of digital panel indicators developed with a
variety of features for the solution of field problems.
As part of ERO ELECTRONIC background, this family also
maintains a high standard in quality, reliability and man/machine
interface simplicity, but it encompasses performance typically built
in very expensive instruments.
Features like frequency input, switching power supply, square root
extraction on the input variable, linearization by keyboard with the
setting of 9 breakpoints (10 segments), max. value data hold, min.
value data hold and analog retransmission of the displayed value
offer the widest range of possible application.
The two color custom integrated display with 4 numerical digit, 2
alphanumerical characters and 6 indicators, is an example of the
particular attention given to the design of the man/machine
interface.
The DPS comes with a complete availability of ranges from thermocouple, RTD and mA, digital filter, two logic inputs, two independent
alarms and it can be also supplied with serial communication interface
and a galvanically isolated auxiliary power supply.
:
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Conversion: dual slope integration.
Resolution: 25000 counts
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 (CJ excluded)
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 tampering of
configuration and calibration parameters.
Standard ranges: see table, others on request.
Calibration : according to IEC 584-1 (if not specified)
STANDARD RANGES TABLE
TC
type
B
E
J
Fe-CuNi
K
R
S
T
Cu-CuNi
N
W
W3
W5
Ni/Ni-Mo
Platinel II
1.2.2 INPUTS
Inputs: 4 type of inputs are available:
A) Thermocouple: B - E - J - Fe/Cu Ni - K - N - R - S - T - Cu/Cu
Ni - W - W3 - W5 -PLATINEL - Ni/Ni 18%Mo.
Type of TC and °C/°F programmable.
External resistance: 100 Ω max, with maximum error 0.1% of span.
Cold junction: automatic compensation 0 to 50 °C.
Burn out: up scale or down scale programmable.
Input impedance: > 1 MΩ
NOTE
Ranges
+32 /
-328 /
-328 /
-328 /
-328 /
-58 /
-58 /
-328 /
-328 /
+32 /
+32 /
+32 /
+32 /
+32 /
+14 /
+3300
+1470
+1830
+1650
+2500
+3200
+3200
+750
+1110
+2550
+4190
+4190
+4190
+2192
+2550
°F
°F
°F
°F
°F
°F
°F
°F
°F
°F
°F
°F
°F
°F
°F
0 / +1820 °C
-199.9 /+800.0 °C
-199.9 /+999.9 °C
-199.9 /+900.0 °C
-199.9 / +1370 °C
-50 / +1760 °C
-50 / +1760 °C
-199.9 /+400.0 °C
-199.9 /+600.0 °C
0 / +1400 °C
0 / +2310 °C
0 / +2310 °C
0 / +2310 °C
0 / +1200 °C
-10 / +1400 °C
(1)
DIN 43710-1977
(2)
DIN 43710-1977
ASTM - E988/84
ASTM - E988/84
GE Co.
GHOST
1) Accuracy and resolution guaranteed from 300 °C (570 °F)
2) Resolution 1/10 °C up to 999.9 °C
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B) Linear input
Input type: See table below
Readout: keyboard programmable between -1999 and +9999.
Linearization: input signal may be linearized by setting up to 9
breakpoints (10 segments) on the input span.
Square root estraction: programmable
Decimal point : programmable in any position.
Burn out: Up scale for 12-60 mV inputs;
down scale for 4-20 mA, 1-5 V and 2-10 V.
It is not detectable for the other ranges.
C) RTD (Resistance Temperature Detector)
Input: for RTD Pt100 Ω and Ni 100 Ω, 3 wire connection with °C/°F
selectable by front pushbuttons.
Input circuit: current injection (100 µA).
Line resistance: automatic compensation up to 3 Ω/wire with no
measurable error.
Calibration: according to DIN 43760
Standard ranges: see table
Burn out: up scale or down scale programmable for open circuit of one
or more wires.
STANDARD RANGES TABLE
STANDARD RANGES TABLE
Input
type
0 - 20
4 - 20
0 - 60
12 - 60
0- 5
1- 5
0 - 10
2 - 10
mA
mA
mV
mV
V
V
V
V
Input inpedance
3 Ω
3 Ω
> 800 kΩ
> 800 kΩ
> 200 kΩ
> 200 kΩ
> 200 kΩ
> 200 kΩ
Input
type
Accuracy
RTD Pt 100 Ω
RTD Ni 100 Ω
Ranges
- 328 / + 1560 °F
- 76 / + 660 °F
0.1 % + 1 digit
@ 25°C
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- 199.9 / + 850.0 °C
- 60.0 / + 350.0 °C
1.2.3 ALARMS
1.2.4 ADDITIONAL FUNCTIONS
Number of alarms: two independent
Threshold: from 0 to 100 % of the readout span.
Hysteresis: programmable from 0.1 to 5.0 % 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 individually or by external contact collectively.
Alarm outputs: two relays, SPST, NC or NO selectable by
jumpers.
Contact rating:2A - 30 V DC or 0.6 A - 110 V DC or 0.5 A - 250 V
AC, on resistive load or 0.3 A - 110 V DC on inductive load.
Relay status: relay energized in no alarm condition.
Digital filter: it is possible to set, on the alarm function, a digital filter
with the same time constant chosen for the redout.
Alarms indication: AL1 and AL2 indicators lit for alarm ON status.
Peaks detection :
visualization of the max. and min. value measured by the instrument
Digital filter: it is possible to set a digital filter on the displayed value
with a time constant of 0.4, 1, 2, 3, 4 or 5 s. This filter can be set for
analog retransmission and alarms threshold also.
Logic input: one input by contact for manual reset of the alarms
or HOLD function enable.
Safety lock: for protection of the alarms threshold values.
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
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MODEL
DPS = Digital panel indicator
1.3.2 ANALOG RETRANSMISSION
Isolated analog retransmission of the displayed value.
Scaling: programmable between -1999 and 9999
Output type: 1) 0-20 mA or 4-20 mA, max. load 500 Ω, optoisolated
2) 0-10 V, minimum load 5000 Ω, optoisolated
Selection: between 0-20 mA, 4-20 mA and 0-10 V by internal jumper
and frontal keyboard.
Resolution : max. 0.1 % of the output span.
Accuracy: 0.2 % of the output span (@ 25°C).
Temperature drift: < 100 ppm/°C.
Digital filter: it is possible to set a digital filter on the retransmitted
value with a time constant equal to the time constant selected for the
readout value.
NOTE: The analog retransmission excludes the serial interface option.
1.4 CODING
POWER SUPPLY
3 = 100 to 240 V AC
5 = 24 V AC/DC
INPUTS
9 = TC, mV, V, mA, RTD
ALARMS
1 = 2 alarms
OPTIONS
1 = Auxiliary power supply
2 = Analog retransmission (mA) + auxiliary
power supply
3 = RS-485 + Auxiliary power supply
4 = RS-485
5 = Analog retransmission (mA)
1.3.3 AUXILIARY POWER SUPPLY
Isolation: galvanically isolated from instrument input and output.
Voltage output: 5, 10, 12 or 24 V DC selectable by jumpers.
Accuracy : + 5 %
Max. power: 0.5 W
DPS _
9
1 1
_
0 0
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1.5
LABELS
MODEL
1.5.1 IDENTIFICATION LABEL
The instrument identification label , see Fig. 1.1, is located externally
on the top rear of the housing.
It contains the following information:
DPS
3
9
1
1
3
a) The instrument Model Number on the left side column.
The model number includes the instrument code which allows the
instrument functions to be determined. Each code item contains a
brief description. A complete description of all the code items can
be found in chapter 1.5.
STATUS: XX XX
POWER SUPPLY: 100/240 V AC
INPUT : TC - RTD - MV - MA -V
2 ALARMS
RS 485 + AUXILIARY POWER SUPPLY
b) The instrument Serial Number on the bottom line.
1.5.2 ABRIDGED LABELS
SERIAL NUMBER:
XXXXX
XX.XX.XXX
MADE IN ITALY
Two abridged labels are provided to allow the instrument parts to be
identified.
They are located : (a) on the bottom of the card and display plastic
support; (b) internally on the bottom front of the housing.
The abridged labels contain the Model Number and the Serial Number
only.
Fig. 1.1 INSTRUMENT IDENTIFICATION LABEL
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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
mm
45 x 92 mm +0.8
-0 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 against the panel (see
Fig. 2.1).
Fig. 2.1 HOW TO INSERT THE INSTRUMENT
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A) POWER LINE
2.2 WIRING GUIDE LINES
16
VDC
REMOTE
15
14
13
12
A L2
17
A L2C
18
AL1
B /B '
19
A/A'
21
C/C'
22
AL1C
Connections are to be made with the instrument housing installed in
its proper location.
100 V to 120 V AC
or 24 V AC/DC
10
LINE NEUTRAL
EARTH PWS
11
SUPPLY
mA
V
9
M0248-01
RTD
LOGIC
INPUT
LN
11
1
mA/V
9
7
6
5
4
3
T/C
mV
Fig. 2.3 POWER LINE WIRING
1
NOTE: 1) Before connecting the instrument to the power supply,
make sure that line voltage corresponds to lateral label
indication.
2) Terminal 11 must be connected to earth.
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.
Fig. 2.2 REAR TERMINAL
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B) INPUTS
1
1
3
1
3
4
1
3
4
Fig. 2.5 RTD INPUT WIRING
3
NOTE: Don’t run RTD wires together with power cables.
If shielded cable is used, the shield must be grounded at one
point only.
Use copper wires with appropriate size (see "PRODUCT
SPECIFICATIONS").
The resistance of the 3 wires must be the same.
Fig. 2.4 THERMOCOUPLE INPUT WIRING
NOTE: Don’t run input wires together with power cables.
Use proper compensating cable preferably shielded (see
Table 1).
If shielded cable is used, the shield must be grounded at one
point only.
Pay attention to the line resistance; a high line resistance
may cause measurement errors (see PRODUCT SPECIFICATIONS).
Any external components (like zener barriers etc..) connected
between sensor and input terminals may cause errors in measurement due to excessive and/or not balanced line resistance or
possible leakage currents.
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TABLE 1: THERMOCOUPLE COMPENSATING CABLE COLOUR CODES.
Thermocouple
Material
T Copper
Constantan
J
Iron
Constantan
+
-
K
Nichel Chromium
Nichel Aluminium
+
-
R
Platinum/ Platinum
13% Rhodium
+
-
S
Platinum/ Platinum
10% Rhodium
+
-
E
Chromel
Constantan
+
-
B
Platinum 30% Rh
Platinum 6 % Rh
British
BS 1843
White
Blue
Blue
Yellow
Blue
Black
Brown
Blue
Red
Wite
Blue
Green
White
Blue
Green
Brown
blue
Brown
-
N
Nicrosil / Nisil
-
+
-
+
+
+
+
+
+
+
-
American
ANSI MC 96.1
Blue
Red
Blue
White
Red
Black
Yellow
red
Yellow
Black
Red
Green
Black
red
Green
Violet
Red
Violet
Grey
Red
Grey
-
+
+
+
+
+
-
German
DIN 43710
Red
Brown
Brown
Red
Blue
Blue
Red
Green
Green
Red
White
White
Red
White
White
-
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+
+
+
+
+
-
French
NFE 18-001
Yellow
Blue
Blue
Yellow
Black
Black
Yellow
Purple
Yellow
White
Green
Green
White
Green
Green
-
2-wire transmitter without power supply
2-wire transmitter with power supply
4-wire transmitter with power supply
OUT
+
4
_
3
3
_
+
4
16
17
_
+
3
4
Fig 2.6 mA INPUT WIRING
NOTE: Don’t run input wires together with power cables.
If shielded cable is used, the shield should be grounded at one point only (see fig. 2.6).
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POWER
_
+
16
17
4-wire transmitter
with power supply
2-wire transmitter
without power supply
OUT
+
_
1
3
_
+
2-wire transmitter
without power supply
OUT
POWER
_
+
+
4
3
1
16
4-wire transmitter
with power supply
_
_
+
3
4
POWER
_
+
3
17
16
17
Fig. 2.7 mV INPUT WIRING
Fig. 2.8 V INPUT WIRING
NOTE: Don’t run input wires toghether with power cables.
Use proper cable preferably shielded.
If shielded cable is used, the shield must be grounded at
one point only.
Pay attention to the line resistance; a high line resistance
may cause measurement errors.
NOTE: Don’t run input wires toghether with power cables.
Use proper cable preferably shielded.
If shielded cable is used, the shield must be grounded at
one point only.
Pay attention to the line resistance; a high line resistance
may cause measurement errors.
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C) EXTERNAL ALARM RESET OR HOLD FUNCTION
E) OUTPUTS
It is possible to reset both alarms of the instrument or hold the
measured value by an external switch.
E.1 ALARMS RELAY OUTPUT
15
6
14
7
Fig. 2.11 ALARM 1 RELAY WIRING
Fig. 2.9 - EXTERNAL ALARM RESET WIRING
13
D) LOCAL / REMOTE OPERATION
12
It is possible to operate the instrument in local mode or in remote
mode. When the instrument is in remote mode it is under the control
of a serial link.
Fig. 2.12 ALARM 2 RELAY WIRING
The relay output is an SPST relay, protected with snubber network.
The contact ratings are: 2 A / 30 V DC on resistive load or
0.6 A / 110 V DC on resistive load or
0.5 A / 250 V AC on resistive load or
0.3 A / 110 V DC on inductive load.
The number of operations is 2 x 105 at specified rating.
18
19
Fig. 2.10 LOCAL / REMOTE WIRING
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E 1. INDUCTIVE LOADS
LOAD
CURRENT
Switching inductive loads, high voltage transients may occur.
These transients may damage the internal contacts, PCB or affect
the performance of the instrument. In this care an external snubber
network should be connected across the terminals as near as
possible to the terminals (see Fig. 2.13).
NO
C
< 40 mA 0.0022
< 150 mA 0.1
< 0.5 A 0.33
R
RESISTOR
POWER (W)
RESIST. AND
CAPAC. VOLTAGE
100
22
47
1/2
2
2
260 VA.C.
260 VA.C.
260 VA.C.
C
C
C
R
(Ω)
The same problem may occur when a switch is used in series with
the internal contacts as shown in Fig. 2.14
C
NC
C
(µF)
C
C
R
POWER
LINE
R
LOAD
NC
R
Fig. 2.14
Fig. 2.13 EXTERNAL PROTECTION FOR INDUCTIVE LOAD
GREATER THAN 40 mA AC
The value of capacitor (C) and resistor (R) are shown in the following
table.
In this case it should be better to protect the switch also as shown in
Fig. 2.14. Anyway the cable involved in relay output wiring must be
as far away as possible from input or communication cables.
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E 1.2
EXTERNAL LOADS WITH VERY LOW HOLDING
CURRENT
E.2 ANALOG RE-TRANSMISSION
It may happen that the current flowing through the snubber network,
when the contact is open, is sufficient to energize the external load
(normally a contactor).
A similar problem may occur when driving solid state relay with
the internal relay of the instrument.
The current flowing through the snubber network may keep the
voltage across the SSR higher than the cutoff level.
In this case it is better to remove the snubber network or to connect,
across the load, a resistor of appropriate value and power rating.
22
21
_
+
LOAD
Fig. 2.15 ANALOG RE-TRANSMISSION WIRING
NOTES : 1) for mA output the maximum load impedance is 500 Ω.
2) For V output the minimum load impedance is 5000 Ω.
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E.3
SERIAL INTERFACE
I
N
S
T
R
U
M
E
N
T
RS-485 interface allows to connect up to 31 instrument with the
remote master unit. See Fig. 2.17.
I
N
S
T
R
U
M
E
N
T
20
21
A'/A
A/A'
B'/B
B/B'
22
COMMON
M
A
S
T
E
R
I
N
S
T
R
U
M
E
N
T
Fig. 2.16 - RS-485 WIRING
The cable length must not exceed 1.5 km at 9600 BAUD.
NOTE: The following report describes the signal sense of the voltage
appearing across the interconnection cable as defined by EIA
for RS-485.
a) The ” A ” terminal of the generator shall be negative with respect
to the ” B ” terminal for a binary 1 (MARK or OFF) state.
b) The ” A ” terminal of the generator shall be positive with respect
to the ” B ” terminal for a binary 0 (SPACE or ON)
20
21
22
A/A'
A'/A
B/B'
B'/B
COMMON
M
A
S
T
E
R
20
21
22
Fig. 2.17 - CONNECTION OF THE INSTRUMENTS (MAX 31) TO
THE MASTER UNIT BY INTERFACE COMMUNICATION TYPE RS-485
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I
N
S
T
R
U
M
E
N
T
Logic voltage
18
M
A
S
T
E
R
(A)
19
B
SERIAL INTERFACE
Fig. 2.18 - LOCAL/REMOTE CONTACT WIRING
A contact on the rear terminal block (terminals 18 and 19) is used
to switch the instrument control from a master device to local mode
or viceversa.
In case of emergency, the operator must regain control on the
instrument by a switch (B) connected in series to the master
control (A) and positioned near the instrument.
The switch should have a minimum rating of 0.5 mA - 12 V DC.
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SECTION 3
INSTRUMENT CONFIGURATION
3.1 FRONT PANEL DESCRIPTION
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3.1.1 INDICATORS
3.1.2 DISPLAYS
AL 1 - AL 2
Indicator OFF
Indicator ON
= no alarm condition
= alarm condition
NUMERICAL DISPLAY
PK H
Indicator OFF
Indicator ON
= instrument shows the measured value
= instrument shows the "Peak high" value
The numerical display shows continuously the process variable in
eng. units.
During configuration and calibration set up, this display is used, in
addition to the alphanumerical display, to show the parameters
name and the relative value.
ALPHANUMERICAL DISPLAY
PK L
Indicator OFF
Indicator ON
= instrument shows the measured value
= instrument shows "Peak low" value
LOCK
Indicator OFF
Indicator ON
= alarms threshold protection disabled
= alarms threshold protection enabled
REM
Indicator OFF
indicator ON
The alphanumerical display normally shows the engineering unit of
the displayed value.
During configuration and calibration set up, this display is used, in
addition to the numerical display, to show the parameters name
and the relative value.
= setting by serial communication interface
disabled
= setting by serial communication interface
enabled
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3.1.3 KEYBOARD DESCRIPTION
F
R
To increase the parameter value or
select peak high visualization
R
+
To decrease the parameter value or
select peak low visualization
R
+
R
+
To select all the parameters .
Pushing the F pushbutton the parameters will be
shown sequentially on the displays and, at the
same time, the value of the previous parameter will
be stored.
During configuration and calibration procedures
and alarm threshold setting it is used to scroll back
the parameters without memorization of the new
values.
+
Alarm 1 manual reset
Alarm 2 manual reset
F
They are used to reset peak high
and peak low and restart the peak
detection procedure.
They are used to start the default
parameters loading procedure.
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3.2 INSTRUMENT CONFIGURATION
For configuration procedure, the internal DIP SWITCHES, mounted
on CPU card, must be positioned as follows:
SW1 = OFF
SW2 = ON
ON
2
1
Fig. 3.1
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3.2.1 PRELIMINARY HARDWARE SETTINGS
Before reassembling the instrument, make sure that all the
necessary hardware settings are made as detailed below:
For the input selection, the dip switches
V2 must be setted as follows
V2
dip
1
dip
2
dip
3
dip
4
V
OFF
OFF
OFF
OFF
mA/TC/mV
OFF
OFF
ON
ON
RTD
ON
ON
OFF
OFF
OUT
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For alarms output, J250 and J251 must be setted as follows:
For auxiliary power supply set the jumpers J232, J233, J234, J235
and J236 as follows:
OUT
Pos.
Contact
NC
J232
J233
J234
J235
J236
NO
AL 1
J250 = 1-2 J250 = 2-3
AL 2
J251= 1-2
5V
10 V 12 V 24 V
output output output output
close
open
open
open
2-3
open
close
open
open
2-3
open
open
close
open
2-3
J251 = 2-3
NOTE : the alarm relays are
energized in no alarm condition.
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open
open
open
close
1-2
For analog retransmission, set the jumpers J104, J105 and J107
as follows:
J107
J104
J105
J107
J104
J105
Voltage output
mA output
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3.2.2 CONFIGURATION PROCEDURE
3.2.3 PARAMETERS LIST
Once the internal dip switches have been positioned as described
in Fig. 3.1 proceed as follows:
The following is the complete parameters sequence.
Some parameters may not be shown according to the previous
parameters setting.
1. The display will show "COnF"
NOTE: at this point it is possible to start the default parameter
loading procedure as detailed at section 6
1) POWER SUPPLY FREQUENCY
The display will show "LInE" followed by:
50 = 50 Hz
60 = 60 Hz
Push ▲ or ▼ pushbuttons to set the required frequency value.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
2. Push F pushbutton. The instrument shows the first parameter
code and the relative value.
3. To modify this value push ▲ or ▼ to obtain the desired setting.
When the display shows the new desired setting, push F pushbutton to store the value and go to the next parameter.
It is possible to go back in the parameter sequence by using R
pushbutton but, after parameters modification, push the F pushbutton otherwise the new value will not be stored (the storage is made
only when the F pushbutton is depressed).
2) INPUT TYPE
The display will show "InP." followed by:
TC = thermocouple input (go to step 3)
RT = RTD input (go to step 3a)
Ln = linear input (go to step 4)
Fr = Frequency input (NOT TO BE USE)
Push ▲ or ▼ pushbuttons to set the required input type.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
NOTE: the input type selection shell be in accordance to the
instrument type (see CODING at para. 1.4).
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3.a) RTD TYPE
The display will show "rtd " followed by:
PT = PT 100 Ω
NI = Ni 100 Ω
Push ▲ or ▼ pushbuttons to set the desired RTD type.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
3) TC TYPE
The display will show " tc " followed by:
K = NiCr/NiAl TC (IEC 584-1)
J = Fe/CuNi TC (IEC 584-1)
Jd = Fe/CuNi TC (DIN 43710 - 1977)
E = NiCr/CuNi TC (IEC 584-1)
T = Cu/CuNi TC (IEC 584-1)
Td = Cu/CuNi TC (DIN 43710 - 1977)
S = Pt10%Rh/Pt TC (IEC 584-1)
R = Pt13%Rh/Pt TC (IEC 584-1)
B = Pt30%Rh/Pt6%Rh TC (IEC 584-1)
W = W/W26%Re TC
W3 = W3%Re/W25%Re TC (STM - E 988 / 84)
W5 = W5%Re/W26%Re TC (STM - E 988 / 84)
N = Nicrosil/Nisil TC (IEC 584-1)
NM = Ni/Ni18%Mo TC (G.E. Co.)
PL = Platinel II (GHOST)
3.b) ENGINEERING UNIT
The display will show "En.Un" followed by:
°F = Fahrenheit degree
°C = Celsius degree
Push ▲ or ▼ pushbuttons to set the desired unit.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
3.c) BURN OUT
The display will show "FL.SF" followed by:
Hi = when a burn out condition will be detected, the display
will show "OPEN", peak detection, analog retransmission and alarms work as an over range condition.
Lo = when a burn out condition will be detected, the display
will show "OPEN"; peak detection, analog retransmission and alarms work as an under range condition.
Push ▲ or ▼ pushbuttons to set the desired condition.
Push the F pushbutton to memorize the new choice and go to the
parameter 5.
Push ▲ or ▼ pushbuttons to set the desired TC type.
Push the F pushbutton to memorize the new choice and go to the
parameter 3b.
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4) LINEAR INPUT TYPE
The display will show "IN" preceded by:
4.b) DECIMAL POINT POSITION
The display will show "dP" preceded by:
- - - -. = no decimal figure
- - -.- = one decimal figure
- -.- - = two decimal figures
-.- - - = three decimal figures
Push ▲ or ▼ pushbuttons to set the desired position.
Push the F pushbutton to memorize the new position and go to the
next parameter.
0.20 = 0-20 mA
4.20 = 4-20 mA
0.60 = 0 - 60 mV
12.60 = 12 - 60 mV
0.5 = 0 - 5 V
1.5 = 1 - 5 V
0.10 = 0 - 10 V
2.10 = 2 - 10 V
4.c) INITIAL SCALE READOUT
The display will show "LR" preceded by a number between -1999
and 9999 .
This step allows to assign a readout value to the initial range value.
Push ▲ or ▼ pushbuttons to set the desired value (when the
square root extraction is selected, the value must be positive).
Push the F pushbutton to memorize the new value and go to the
next parameter.
Push ▲ or ▼ pushbuttons to set the desired range.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
4.a) SQUARE ROOT EXTRACTION
The display will show "SR" preceded by:
no = square root disabled
YES = square root enabled
Push ▲ or ▼ pushbuttons to set the desired solution.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
NOTE: If square root extraction is selected, the initial and final
scale readouts must not be negative.
4.d) FINAL SCALE READOUT
The display will show "HR" preceded by a number between -1999
and 9999 .
Push ▲ or ▼ pushbuttons to set the desired value (when the
square root extraction is selected, the value must be positive).
Push the F pushbutton to memorize the new value and go to the
next parameter.
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4.e) ENGINEERING UNIT
The display will show "En.Un" followed by:
°C
= °C
nM
= normal m3/h
°F
= °F
A
= Ampere
PH
= pH
V
= Volt
KG
= Kg
W
= Watt
rPm
=Revolution per minute
m
= meter
PA
= Pascal
m3
=m3
mB
= millibar
%
= Percent
B
= Bar
**
= Other
Push ▲ or ▼ pushbuttons to set the desired unit.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
If square root extraction is enabled, go to parameter 5.
4.g) INPUT VALUE OF THE FIRST BREAK POINT
The display will show "I1" preceded by a number between 00.01
and 99.99 .
This number show the input value of the first break point in percent
of the input span.
Push ▲ or ▼ pushbuttons to set the desired value.
Push the F pushbutton to memorize the new value and go to the
next parameter.
4.h) READOUT VALUE OF THE FIRST BREAK POINT
The display will show "O1" preceded by a number between -1999
and 9999 .
This number show the readout value associate to the input value
set at par. 4.g.
Push ▲ or ▼ pushbuttons to set the desired value.
Push the F pushbutton to memorize the new value and go to the
next parameter.
NOTE: For the other break points the instrument repeats the cycle
4.g - 4.h so many times as programmed at point 4.f.
4.f) BREAK POINTS NUMBER
The display will show "b.Pnt" followed by a number between 0 and
9.
Push ▲ or ▼ pushbuttons to set the desired value.
Push the F pushbutton to memorize the new value and go to the
next parameter. If 0 value is selected, go to the parameter 5.
GENERAL NOTE ON LINEARIZATION BY BREAK POINT
A) The instrument start to visualize the break point and the relative
value previously memorized.
If the break point value is not acceptable in relation to the
previous break point, the alphanumerical display flashes and,
pushing ▲ or ▼ pushbuttons, the instrument goes immediately
to the first acceptable value.
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B) The low limit of the input break point is 0.01 more than the
previous input break point while the upper limit is 99.99.
6) FREQUENCY SETTING
The DPS with frequency input is not jet available so that all the
informations related with frequency input setting are skipped.
Readout
7) EXTERNAL CONTACT FUNCTION
This step allows to select the function enabled and disabled by the
external contact.
The display will show "EX" preceded by:
"HOLd" = sampling stop and the instrument maintains the
actual displayed value while the eng. unit will
flash.
"n.RES" = manual reset of the alarms.
Push ▲ or ▼ pushbuttons and set the desired function.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
Input
5) DIGITAL FILTER ON READOUT VALUES
The display will show "FILt" followed by a number.
Using ▲ and ▼ pushbutton it is possible to select the desired time
constant for the digital filter in order to obtain a stable readout in
pre-sence of noise also. The possible choices are 0.4, 1, 2, 3, 4 or
5 s.
Push the F pushbutton to memorize the new choice and go to the
parameter 7.
NOTE: this filter is disabled for the instruments with frequency
input.
7.a) CONTACT STATUS
With this parameter is possible to define the external contact status
for function enabling.
The display will show "EX" preceded by:
"CLSd" = enabled with closed contact.
"OPEn" = enabled with open contact.
Push ▲ or ▼ pushbuttons and set the desired status.
Push the F pushbutton to memorize the new status and go to the
next parameter.
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9.a) RETRANSMISSION MINIMUM SCALE VALUE
The display will show "LR" preceded by a number between -1999
and 9999.
The decimal point is positioned as programmed at step 4b or 6a.
No decimal point is provided for TC or RTD inputs.
Push ▲ or ▼ pushbuttons and set the desired value. Push the F
pushbutton to memorize the new value and go to the next parameter.
8) OPTIONS
The display will show "OPtn" followed by:
0 = no option provided (go to step 15)
1 = 2 alarms (go to step 11)
2 = 2 alarms plus serial interface (go to step 10)
3 = 2 alarms plus analog retransmission (go to step 9)
Push ▲ or ▼ pushbuttons and set the desired options.
Push the F pushbutton to memorize the new configuration and go
to the next parameter.
9.b) RETRANSMISSION MAXIMUM SCALE VALUE
The display will show "HR" preceded by a number between -1999
and 9999. Push ▲ or ▼ pushbuttons and set the desired value.
Push the F pushbutton to memorize the new value and go to the
next parameter.
9) ANALOG RETRANSMISSION TYPE
The display will show "out" preceded by:
0 - 20 = output 0 - 20 mA
4 - 20 = output 4 - 20 mA
0 - 10 = output 0 - 10 V
Push ▲ or ▼ pushbuttons and set the desired output.
Push the F pushbutton to memorize the new set and go to the next
parameter.
NOTE: If the transfer from mA to V or vice versa is desired, it is
necessary to recalibrate the instrument as detailed in para. 5.3.
9.c) DIGITAL FILTER ON THE ANALOG RETRANSMISSION
The display will show "FILt" followed by a number.
Using ▲ and ▼ pushbutton it is possible to select the same time
constant selected for readout or the exclusion of the filter (0
setting).
Push the F pushbutton to memorize the new value and go to the
parameter 11.
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Using ▲ and ▼ pushbuttons it is possible to select the desired byte
format.
Push the F pushbutton to memorize the new choice and go to the
next parameter.
10) SERIAL INTERFACE ADDRESS
The display will show "Ad" preceded by a number.
Using ▲ and ▼ pushbutton it is possible to select the desired
instrument address from 0 to 31.
The 0 value disables the serial communication interface
Push the F pushbutton to memorize the new value and go to the
next parameter.
If 0 value is selected the instrument will go to parameter 11.
11) ALARM 1 TYPE
The display will show "OP.A1" followed by:
L.L. = low latched alarm (manual reset)
L.A. = low alarm with automatic reset
H.L. = high latched alarm (manual reset)
H.A. = high alarm with automatic reset
Using ▲ and ▼ pushbuttons it is possible to select the desired type
of alarm and the relative reset.
Push the F pushbutton to memorize the new configuration and go
to the next parameter.
10.a) BAUD RATE
The display will show "bd" preceded by a number.
Using ▲ and ▼ pushbutton it is possible to select the desired
instrument baud rate from 150 to 19200 baud.
The speed of 19200 baud will be only shown in kbaud (19.2).
Push the F pushbutton to memorize the new value and go to the
next parameter.
10.b) BYTE FORMAT
The display will show "bF" preceded by:
11.a) ALARM 1 HYSTERESIS
The display will show "HS.A1" followed by a number from 0.1 to
5.0. It show alarm one hysteresis in percent of the readout span.
Using ▲ and ▼ pushbuttons it is possible to select the desired
hysteresis value.
Push the F pushbutton to memorize the new value and go to the
next parameter.
7E = 7 bit + even parity
7O = 7 bit + odd parity
8E = 8 bit + even parity
8O = 8 bit + odd parity
8 = 8 bit no parity
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12) ALARM 2
Same as alarm 1
15) END
At the end of configuration procedure the display will show "COnF"
and it is possible to review the parameter setting or go to the
operating mode.
13) FILTER ON THE ALARM THRESHOLD
The display will show "FILt" followed by a number.
Using ▲ and ▼ pushbuttons it is possible to select the same time
constant selected for readout or the exclusion of the filter (0
setting).
Push the F pushbutton to memorize the new choice and go to the
next parameter.
14) SAFETY LOCK
The display will show "KY" preceded by:
0
= no threshold protection. The alarm threshold
may be modified in every moment during
operating mode.
1
= Ever active protection. Alarm threshold couldn't
be modified.
2 - 9999= This value is a secret value and it could be
necessary to put the instrument in unlock
condition and modify alarm threshold during
operative mode.
NOTE: When safety lock is selected, the secret value cannot be
displayed again.
It is important to record the secret value accurately.
If the secret value is lost, a new value should be set.
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SECTION 4
4.2.1 PEAK HIGH AND PEAK LOW VISUALIZATION
OPERATING INSTRUCTIONS
4.1 PRELIMINARY
Usually the display show the measured value and its engineering
unit.
After the configuration procedure, it is possible to make the DPS
operative by setting the internal dip switches mounted on CPU (see
Fig. 3.1 at page 3.4) as follows:
Pushing ▲ pushbutton it is possible to visualize the maximum peak
value (peak high) measured by the instrument (the "PK H" indicator
will light).
1 = OFF
2 = OFF
Pushing ▼ pushbutton it is possible to visualize the minimum valley
value (peak low) measured by the instrument (the "PK L" indicator
will light).
1
2
Now switch ON the instrument.
The memorization of the peak high and peak low values starts,
automatically, when switching on the instrument and can not be
stopped.
4.2 OPERATIVE MODE
To clear the previous values, push R and F pushbuttons contemporarily.
The alarms and key visualization and the setting-up procedure are
checked by a time out of 10 s. approx. If during this time no other
pushbutton has been pushed, the display will return to show the
measured variable and the last change will not be stored.
Note : this visualization do not disappear after time out.
Push ▲ or ▼ pushbutton in order to display the measured
value.
NOTES: The R pushbutton is used to scroll back the parameters
without memorization of the new values.
A wrong setting may be deleted by R pushbutton pressure.
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4.2.2 MANUAL RESET OF THE ALARMS
4.2.3 ALARMS THRESHOLD SETTING
If the alarm has been configured as a latched alarm, the alarm status
( "ALx" indicator lit and relay deenergized) persists also after the
alarm condition disappears.
Pushing R and ▲ pushbuttons contemporarily it is possible to reset
the alarm 1 status.
Pushing R and ▼ pushbuttons contemporarily it is possible to reset
the alarm 2 status.
When the remote alarm reset is programmed (see section 3 step 7) it
will be possible to reset both alarms by an external contact.
The alarm reset action will be successful if the alarm condition has
disappeared only.
The visualization of the alarms threshold is always possible while its
modification must be done in accordance to the programmed safety
lock.
Different situations may occur:
A) The LOCK indicator is lit. Proceed as follows:
A.1) Push the F pushbutton. The display show "A1" preceded by
alarm 1 threshold value.
In this case, the alarm threshold can't be modified unless a
modification of the safety lock value is made in configuration
procedure.
A.2) Push the F pushbutton. The alphanumerical display will show
"KY" preceded by four lines.
Push ▲ or ▼ pushbuttons and set the safety key value.
Pushing the F pushbutton the LOCK indicator goes OFF and
the display will show "A1" preceded by alarm 1 threshold
value.
Proceed as detailed in step B).
B) The LOCK indicator is OFF. Proceed as follow:
B.1) Push the F pushbutton. The alphanumerical display will show
"KY" preceded by four lines.
Go to step B.2.
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B.2) Pushing F pushbutton the alarm threshold will be shown on
the numerical display while alphanumerical display will show
"A1".
Push ▲ or ▼ pushbuttons and set the desired value.
Pushing the F pushbutton the new alarm 1 threshold will be
stored and alarm 2 threshold will be shown.
Push ▲ or ▼ pushbuttons and set the desired value.
Pushing the F pushbutton the new alarm 2 threshold will be
stored and the instrument returns to normal operation.
4.2.4 HOLD FUNCTION
The HOLD function allows to stop data acquisition and hold the
displayed value.
When the hold function is enabled, the engineering unit on the
alphanumerical display is flashing.
Both alarms continue to operate according to the stopped displayed
value.
The analog and digital retransmissions continue to retransmit the
displayed value.
In order to use the HOLD function, proceed as follow:
1) make the connection shown at step C) paragraph 2.2 (see
chapter 2 "INSTALLATION").
2) Set the "EX" parameter as shown at step 7) and 7.a) paragraph
3.2.3 (see chapter 3 " INSTRUMENT CONFIGURATION").
NOTE: 1) The alarm threshold modification is limited by minimum
and maximum readout
2) For frequency input and Hz readout the maximum input
range is 0 - 50,000 Hz and also threshold setting is autoranging.
NOTE: for safety lock enabling proceed as follows:
Push the F pushbutton. The alphanumerical display will show
"KY" preceded by four lines.
Push ▲ or ▼ pushbuttons and set any value different from the
safety key value.
Push F pushbutton; the LOCK indicator will light to show the
lock is enabled.
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SECTION 5
INSTRUMENT CALIBRATION PROCEDURES
5.1 DIP SWITCHES LOCATION
To start with the calibration procedure, the internal
DIP SWITCHES , mounted on CPU card, must be
positioned as shown at left:
NOTE: during calibration procedure the serial
communication interface will be disabled.
SW1 = ON
SW2 = OFF
ON
1
2
Fig. 5.1
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RESOLUTION
1) For TC, mV input: 1 µV
2) For current input: 0.2 µA
3) For RTD input: 10 mΩ
4) For could junction compensation: better then 0.1 °C
5) For V input : 100 µV
5.2 GENERAL GUIDE LINES FOR CALIBRATION
For a good calibration it is necessary to proceed as follows:
a) - The instrument under calibration should be mounted in its case
in order to keep the internal temperature constant.
b) - The ambient temperature should be stable.
Avoid any drift due to air-conditioning or others.
c) - The relative humidity should not exceed 70%.
d) - Minimum warm-up time must be 20 minutes.
e) - Operate possibly in a noise free environment.
f) - During calibration, connect one input at a time and supply the
input signal when the group is enabled only.
For this calibration procedure it is necessary to use calibrators with
the following accuracy and resolution:
5.3 CALIBRATION PROCEDURE
5.3.1 FOREWORD
During calibration procedure the instrument will show CL and CH
parameters if analog retransmission is selected only.
For frequency input type, no calibration procedures are provided.
NOTE: Calibration parameters are logically divided in groups of
two parameters each (initial and final scale value).
After each group the calibration check is provided but it is
also possible to do it without a new calibration is made.
When calibration check is required only, press twice the F
pushbutton when "OFF" is shown on the display. The
instrument goes directly to the specific group check.
The alphanumerical display will show the parameter code (C - )
while the numerical display will show "ON" or "OFF".
Using ▲ and ▼ pushbuttons it is possible to select between "ON"
or "OFF".
ACCURACY
1) For TC, mV or V input: + 0.005% output + 0.001% range + 5 µV
2) For current input: + 0.025% output + 0.0025% range + 0.01 µA
3) For RTD input: + 0.02 % + 0.0025 Ω/decade.
4) For Could junction compensation: better then 0.1 °C
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To go to the next parameter without modify the calibration, push F
pushbutton when the display is showing "OFF" .
To set parameter calibration, push F pushbutton when the display
show "ON".
NOTE: Pushing R pushbutton it is possible to go back to the
previous parameter without modify the calibration.
5.3.2 CALIBRATION PROCEDURE
All the instruments are originally calibrated by means of calibrators
with high accuracy and resolution (see para. 5.2).
The instrument are calibrated for inputs and output specifies in
ordering code only (see para. 1.4).
When the display shows "CAL" it is possible to load the default
parameter as detailed in section 6
Follows a list of calibration symbols:
Code
C0
C1
C2
C3
C4
C5
C6
C7
C8
C9
CJ
CL
CH
NOTE:
Parameter
- Current input minimum range value (0 mA)
- Current input maximum range value (20 mA)
- Voltage input minimum range value ( 0 V)
- Voltage input maximum range value ( 5 V)
- Voltage input minimum range value ( 0 V)
- Voltage input maximum range value (10 V)
- TC, mV input minimum range value ( 0 mV)
- TC, mV input maximum range value ( 60 mV)
- RTD input minimum range value ( 0 Ω)
- RTD input maximum range value ( 500 Ω)
- Cold junction compensation
- Analog retransmission minimum range value
- Analog retransmission maximum range value
apply only appropriate input signal when calibration or
checking code are displayed .
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HOW TO PROCEED
C 1 - CURRENT INPUT MAXIMUM RANGE VALUE.
Push the F pushbutton to visualize the first calibration symbol on
the display. Depress, in sequence, F pushbutton until the desired
calibration symbol is reached.
a) Set 20,000 mA on the calibrator (see Fig. 5.2).
b) Push ▲ pushbutton, the display will show "ON" and "C 1" will
remain on the alphanumerical display.
c) Wait few seconds then push F pushbutton.
d) The numerical displays will blank temporarily to show that the
instrument is performing the calibration routine.
C 0 - CURRENT INPUT MINIMUM RANGE VALUE
a) Connect the instrument to the calibrator as shown in Fig. 5.2.
b) Set 0.000 mA DC on the calibrator (even if the minimum range
value is 4 mA).
The display will show "OFF".
Depress ▲ pushbutton to enable the calibration; then the display
will switch to "ON".
c) Wait few seconds, until the measurement has stabilized.
d) Push the F pushbutton; the numerical displays will blank and
only the decimal point of the right hand figure of the numerical
display will be lit. When the calibration is completed the
instrument will go automatically to the next parameter.
4
+
3
_
CURRENT INPUT CHECK
a) The instrument will show "A" preceded by a number showing the
measured value in counts.
Set 20.000 mA on the calibrator, if C 1 calibration is correct the
indication will be "25000A" +10 counts.
b) Check the zero calibration by resetting the calibrator to 0.000
mA.
The resulting indication should give "00000A" +10 counts.
Check the linearity by setting the calibrator to 10.000 mA; the
readout must be "12500A" +10 counts.
c) Push F for the next calibration
Fig. 5.2
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C 2 - 0 - 5 V INPUT MINIMUM RANGE VALUE
C 3 - 0 - 5 V INPUT MAXIMUM RANGE VALUE.
a) Connect the instrument to the calibrator as shown in Fig. 5.3.
b) Set 0.000 V DC on the calibrator (even if the minimum range
value is 1 V).
The display will show "OFF".
Depress ▲ pushbutton to enable the calibration; then the display
will switch to "ON".
c) Wait few seconds, until the measurement has stabilized.
d) Push the F pushbutton; the numerical displays will blank and
only the decimal point of the right hand figure of the numerical
display will be lit. When the calibration is completed the
instrument will go automatically to the next parameter.
a) Set 5,000 V on the calibrator (see Fig. 5.3).
b) Push ▲ pushbutton, the display will show "ON" and "C 3" will
remain on the alphanumerical display.
c) Wait few seconds then push F pushbutton.
d) The numerical displays will blank temporarily to show that the
instrument is performing the calibration routine.
4
+
3
_
0 - 5 V INPUT CHECK
a) The instrument will show "B" preceded by a number showing the
measured value in counts.
Set 5.000 V on the calibrator, if C 3 calibration is correct the
indication will be "25000B" +10 counts.
b) Check the zero calibration by resetting the calibrator to 0.000 V.
The resulting indication should give "00000B" +10 counts.
Check the linearity by setting the calibrator to 2.500 V; the
readout must be "12500B" +10 counts.
c) Push F for the next calibration
Fig. 5.3
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C 4 - 0 - 10 V INPUT MINIMUM RANGE VALUE
C 5 - 0 - 10 V INPUT MAXIMUM RANGE VALUE.
a) Connect the instrument to the calibrator as shown in Fig. 5.4.
b) Set 0.000 V DC on the calibrator (even if the minimum range
value is 2 V).
The display will show "OFF".
Depress ▲ pushbutton to enable the calibration; then the display
will switch to "ON".
c) Wait few seconds, until the measurement has stabilized.
d) Push the F pushbutton; the numerical displays will blank and
only the decimal point of the right hand figure of the numerical
display will be lit. When the calibration is completed the
instrument will go automatically to the next parameter.
a) Set 10,000 V on the calibrator (see Fig. 5.4).
b) Push ▲ pushbutton, the display will show "ON" and "C 3" will
remain on the alphanumerical display.
c) Wait few seconds then push F pushbutton.
d) The numerical displays will blank temporarily to show that the
instrument is performing the calibration routine.
4
+
3
_
0 - 10 V INPUT CHECK
a) The instrument will show "C" preceded by a number showing the
measured value in counts.
Set 10.000 V on the calibrator, if C 5 calibration is correct the
indication will be "25000C" +10 counts.
b) Check the zero calibration by resetting the calibrator to 0.000 V.
The resulting indication should give "00000C" +10 counts.
Check the linearity by setting the calibrator to 5.000 V; the
readout must be "12500C" +10 counts.
c) Push F for the next calibration
Fig. 5.4
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C 6 - TC, mV INPUT MINIMUM RANGE VALUE
C 7 -TC, mV INPUT - MAXIMUM RANGE VALUE
a) Provide connections between calibrator and instrument under
test as shown in Fig. 5.5.
b) The numerical display will show "OFF", while "C 6" will appear on
the alphanumerical display.
c) Set calibrator to 0.000 mV. Push ▲ pushbutton, the display will
change to "ON".
d) After few seconds, start calibration by pushing F pushbutton,
the display will blank and only the decimal point will appear on
the display.
At the end of this calibration routine, the instrument will go to the
next parameter.
a) Set the calibrator to 60.000 mV (see Fig. 5.5).
b) Push ▲ pushbutton, the displays will show "ON" and "C 7".
c) Wait few seconds then push F pushbutton.
d) The numerical displays will blank temporarily to show that the
instrument is performing the calibration routine.
1
+
3
_
TC INPUT CHECK
Then the display will show "D" preceded by a number showing the
measured value in counts.
C7 calibration is correct if the indication is "25000 D" + 10
counts.
a) Check the zero calibration, by setting the calibrator to 0.000 mV,
the readout must be "00000D" +10 counts.
b) Check linearity at half scale by setting 30 mV on the calibrator.
The readout must be "12500D" +10 counts.
c) Push F pushbutton, and go to the next calibration.
Fig. 5.5
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C 8 - RTD INPUT MINIMUM RANGE VALUE
C 9 - RTD INPUT MAXIMUM RANGE VALUE
a) Connect a resistor box as shown in Fig. 5.6.
b) Set 0.00 Ω on the resistor box.
c) Push ▲ pushbutton, then the instrument will show "ON" and
"C 8".
d) After few seconds, start calibration routine by pushing F pushbutton. The decimal point of least significant digit on the numerical
display will light to indicate that the instrument is performing
calibration. Then the displays will show "OFF" and "C 9".
a) Set the resistance box to 500.00 Ω (see Fig. 5.6).
b) Push ▲ pushbutton, the displays will show "ON" and "C 9".
c) Wait few seconds then push F pushbutton.
d) The numerical displays will blank temporarily to show that the
instrument is performing the calibration routine.
RTD INPUT CHECK
a) The display will show "25000 Ω" +10 counts otherwise set the
resistance box to 500.00 Ω (see Fig. 5.6)
The C9 calibration is correct if the indication is "25000Ω" + 10
counts.
b) Check the zero calibration by setting 0.00 Ω on the resistance
box; the readout must be "00000 Ω " +10 counts.
To check the half scale linearity, set the resistance box to
250.00Ω and the readout should be "12500 Ω" +10 counts.
c) Push F pushbutton to proceed to next calibration step.
1
3
4
Fig. 5.6
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C J COLD JUNCTION COMPENSATION
COLD JUNCTION COMPENSATION CHECK
NOTE: make sure that C6 and C7 parameters are correctly
calibrated before CJ calibration.
a) Measure the temperature close to terminals 1 and 3 using an
appropriate instrument, for instance, a MEMOCAL.
b) Wait a few minutes to allow the temperature stabilization of
entire the system (compensation cable, sensor, calibrator and
instrument).
c) The displays will show "C J" and "25.0".
NOTE: This value is only a default value and it not represents
the real measurement.
Using ▲ or ▼ pushbuttons, make the readout value equal to the
temperature measured by the measuring device in tenth of °C.
The display will show an half zero at the most significant digit to
indicate the ON calibration condition.
d) Initiate the calibration routine by pushing F pushbutton.
The display will show "RJ" and the cold junction temperature in
tenths of °C.
Make sure that the display readout is equal to the value read on
the measuring device (MEMOCAL).
Push F pushbutton to proceed to next calibration step.
1
+
3
_
C L - ANALOG RETRANSMISSION MINIMUM RANGE VALUE
a) Connect the instrument as shown in Fig. 5.8.
b) Set J104, J105 and J107 on the option card as follow:
Jumpers
Retransmission
Meassuring
device
type
J104
J105
J107
Current
OPEN
CLOSED
2-3
Voltage
CLOSED
OPEN
1-2
b) The alphanumerical display shows "C L" and the numerical
display shows a number of counts.
c) Using ▲ or ▼ pushbuttons, adjust the instrument output until
0.000mA +0.015 mA or 00.00V + 0.0073 V is shown by the
measuring device.
Fig. 5.7
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d) Depress F pushbutton. The instrument memorizes the above
value as zero.
The display will show now "C H" which means that the instrument is ready for next calibration step.
21
a) Push ▲ and ▼ pushbuttons until the output of the instrument
is 20.000 mA + 0.015 mA or 10 V + 0.0075 V.
b) Memorize this calibration by pushing F pushbutton.
+
_
22
C H - ANALOG RETRANSMISSION MAXIMUM RANGE VALUE
mA
or
mV
Fig. 5.8
NOTE: 1) The minimum value must be calibrated at 0 mA even if
the output is 4 - 20 mA.
2) For current output only, the D/A converter of the
instrument is not able to generate a negative signal;
therefore, during the calibration of this parameter, make
the instrument to generate a positive signal (by the ▲
pushbutton ), then decrease slowly the output signal (by
▼ pushbutton) until the lower value appears on the
display.
With this last operation the instrument returns at the beginning of
the calibration routine.
Switch off the instrument and set the dip switches according to
para. 4.1.
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SECTION 6
DEFAULT PARAMETERS SETTING
6.1 PRELIMINARY
6.3
DEFAULT CONFIGURATION PARAMETERS
The instrument is delivered with a default parameters sets stored and
usable, in every moment, for clear all the memories.
Different parameters sets are provided for configuration, calibration
and operative modes but the memorization follows the same
procedure.
During every particular working mode it is possible to load only the
paramerets of the specific mode.
1
2
3
3.a
3.b
3.c
4
4.a
4.b
4.c
4.d
4.e
4.f
4.g
4.h
5
6
7
7.a
8
9
Power supply frequency
Input type
TC type
RTD type
Engineering unit
Burn-out
Linear input type
Square root extraction
Decimal point position
Initial scale readout
Final scale readout
Engineering unit
Break points number
Break points inputs
Break points readouts
Readout digital filter
NOT USED
External contact function
Contact status
Options
Analog retransmission type
6.2 DEFAULT PARAMETERS SETTING
Push ▲ pushbutton and, maintaining the pressure, push ▼ pushbutton.
The display will show "OFF" and "dF".
Pushing ▲ pushbutton, on the display will appear "ON".
Push F pushbutton to start default parameters loading.
During this routine the display will show "LOAD" and "dF".
After loading routine the instrument will return to the initial status.
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50 Hz
TC
K
Pt 100 Ω
°C
Over range
4-20 mA
Disabled
None
-1999
9999
°C
0
with 10% step
with 10% step
0.4 s
HOLD
Closed
None
4-20 mA
9.a
9.b
9.c
10
10.a
10.b
11
Retransmission minimum scale value
Retransmission maximum scale value
Digital filter on the analog retran.
Serial interface address
Baud rate
Byte format
Alarm 1 type
11.a
12
Alarm 1 hysteresis
Alarm 2 type
12.a
13
14
Alarm 2 hysteresis
Digital filter on the alarm threshold
Safety lock
-1999
9999
None
00
19200
7bit + even parity
High alarm with
automatic reset
0.1 %
low alarm with
automatic reset
0.1 %
None
0
6.4
DEFAULT CALIBRATION PARAMETERS
The default calibration parameters allow to verify the correct working
of the instrument but they are not calibration parameters.
NOTE: After default calibration parameters loading, it is necessary to
recalibrate the instrument.
6.5
DEFAULT OPERATIVE PARAMETERS
Alarm 1 threshold
Alarm 2 threshold
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initial scale readout
initial scale readout
SECTION 7
7.2 OPEN INPUT CIRCUIT
ERROR MESSAGES
This instrument is able to identify the open circuit for 4-20 mA, 1-5 V,
2-10 V, TC and RTD inputs.
The open input circuit condition is shown by "OPEn" on the numerical
display.
If TC or RTD input is selected, it is possible to set, in configuration
procedure, the outputs status associated to the open input condition.
(see para. 3.c)
For mA and V input the instrument associates this status to under
range condition .
NOTE
NOTE: For 4 - 20 mA, 1-5 V and 2-10 V inputs, the open input circuit
condition is shown when the input signal is lower than the minimum
range value minus 4 % of the input span.
7.1 OUT OF RANGE
The instrument shows the UNDER RANGE and the OVER RANGE
with the following messages on the numerical display:
oooo
- ooo
OVER RANGE
UNDER RANGE
During out of range indications, alarm status, peak detection and
analog retransmission operate as in presence of the range limits.
NOTE
NOTE: 1) The out of range indications follow the readout scaling so
that when a reverse scaling is set, over range and under
range are reversed also.
2) The out of range indication is shown when the input signal
is 2% higher or 2% lower of the max. and min. scale
values respectively.
To eliminate the OUT OF RANGE condition, proceed as follows:
1) Check the input signal source and the connecting line.
2) Make sure that the input signal is in accordance with instrument
configuration. Otherwise, modify the input configuration (see
chapter 3.2).
3) Send back the instrument to your supplier for a check.
7.3 ERRORS
Diagnostics are made at instrument switch-on and during normal
mode of operation.
If a fault condition (error) is detected, the display will show the
message "E" followed by the relative error code.
The following is a list of possible errors in numerical order.
Also causes, instrument output conditions and possible remedies are
briefly described.
Same errors reset the instrument; if the error persist, send back the
instrument to your supplier
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E101
Incorrect configuration data in EAROM memory.
It may appear at instrument switching on in operative mode.
The instrument does not start to operate.
It remakes this check every 2 seconds.
If this error persists, remake the configuration procedure.
7.4 ERROR DESCRIPTIONS
E001
The alarm threshold value are incompatible with the actual readout
range or their values in memory are incorrect.
It may appare at instrument switching on in operative mode.
The instrument does not start to operate.
Push contemporarily ▲ and ▼ pushbutton and force the threshold
values at the initial scale value.
Set the desired threshold values.
E102
Inconsistent configuration parameters.
It may appear at instrument switching on in operative mode.
The instrument does not start to operate.
It remakes this check every 2 seconds.
If this error persists, remake the configuration procedure.
E038
EAROM memory reading error.
It may appear at instrument switching on in operative mode.
The instrument does not start to operate.
The instrument remakes this check every 2 seconds.
If this error persists, send back the instrument to your supplier.
E138
EAROM reading error during configuration procedure.
It may appear during configuration procedure.
Push F pushbutton and restart the configuration procedure.
If this error persists, send back the instrument to your supplier.
E039
EAROM memory writing error during operative mode.
It may appear during operative mode.
This error message will be deleted automatically after 13 seconds.
The new values will be enabled but they will be lost at instrument
switch-off.
Send back the instrument to your supplier.
E139
EAROM writing error during configuration procedure.
It may appear during configuration procedure.
Push F pushbutton and restart the configuration procedure.
If this error persists, send back the instrument to your supplier.
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E214/E215
Could junction calibration errors.
The instrument measures a compensation temperature less than
-20 °C (E214) or higher than +70 °C (E215).
It may appear during calibration procedure.
Push F pushbutton and remake the calibration procedure.
If this error persists, send back the instrument to your supplier.
E201
Incorrect calibration data in EAROM memory.
It may appear at instrument switching on in operative mode.
The instrument does not start to operate.
It remakes this check every 2 seconds.
If this error persists, remake the calibration procedure.
E211/E212
Autozero errors during calibration procedure.
The instrument measure an internal autozero value too negative
(E211) or too positive (E212).
It may appear during calibration procedure.
The instrument will not operate and after 6 seconds it will return to the
begining of the calibration procedure.
If this error persists, send back the instrument to your supplier.
E216
Out of range during calibration.
The instrument detects an out of range signal or an open circuit
condition during input calibration.
The instrument shows the error message for 6 seconds then it will
return to the calibration point where the error was found.
The new calibration of this parameter will be lost, verify the input
signal and redo the calibration procedure correctly.
E213
Too small input span.
It may appear during calibration procedure when the instrument
checks the input calibration and detects an input span less than 450
µA for current input or 110 mV for 5 V or 220 mV for 10 V or 1300 µV
for TC and mV input or 13 Ω for RTD input
Push F pushbutton and remake the calibration procedure.
If this error persists, send back the instrument to your supplier.
E217
The instrument detects a too big difference between could junction
measurement and calibration set during could junction calibration.
The instrument shows the error message for 6 seconds then it will
return to the calibration point where the error was found.
The new calibration of this parameter will be lost.
Verify the input signal and redo the calibration procedure correctly.
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E311/E312
Autozero errors.
The instrument measures an internal autozero value too negative
(E311) or too positive (E312).
It may appear during the operative mode.
The instrument will not operate and will repeat this check 13 seconds.
If this error persists, send back the instrument to your supplier.
E218
Too big initial scale value or negative full scale value.
It may appear during input calibration when the instrument check the
input calibration and detects an initial scale value higher than 14,5
mA for current input or 3.6 V for 5 V input or 7.2 V for 10 V input or
44 mV for TC and mV input or 440 Ω for RTD input or a negative full
scale value.
The instrument shows the error message for 6 seconds then it will
return at the calibration point where the error was found.
The new calibration of this parameter will be lost, verify the input
signal and redo the calibration procedure correctly.
E313
Too small input span.
It may appear during operative mode when the instrument detect an
input span less than 450 µA for current input or 110 mV for 5 V or
220 mV for 10 V or 1300 µV for TC input or 13 Ω for RTD input.
Remake the calibration procedure.
If this error persists, send back the instrument to your supplier.
E238
EAROM reading error during calibration procedure.
Push F pushbutton and restart the calibration procedure.
If this error persists, send back the instrument to your supplier.
E314/E315
Could junction measurement errors.
The instrument measure a compensation temperature less than
-20 °C (E314) or higher than +70 °C (E315).
It may appear during the operative mode.
Check the temperature and, if necessary, remake the calibration
procedure.
If this error persists, send back the instrument to your supplier.
E239
EAROM writing error during calibration procedure.
Push F pushbutton and restart the calibration procedure.
If this error persists, send back the instrument to your supplier.
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E401
The instrument detects the incorrect access to a protected memory
area (this error may be generated by a big noise only).
After 2 seconds the instrument restarts automatically.
Verify configuration and calibration parameters.
E402
This error may appear switch-on the instrument only.
The calibration and configuration parameters are not protected.
Go to configuration mode, select a parameter and push F pushbutton.
Return in operative mode.
If this error persists, send back the instrument to your supplier.
E403
The instrument detects a dip switch position changement or an
incorrect access to the program memory area (this error may be
generated by a big noise only).
After 2 seconds the instrument restarts automatically.
Verify configuration and calibration parameters.
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DPS
Serial No..................................... Tag No........................................
INPUT LINEARIZATION
Measure
READOUT
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DPS
Serial No......................................
Tag No........................................
INPUT LINEARIZA
TION BY BREAKPOINTS
LINEARIZATION
breakpoint
Input in %
Input in eng.
0
0
units
Readout
NOTES
Initial input rang value
1
2
3
4
5
6
7
8
9
10
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Ero Electronic S.r.l.
Via E. Mattei, 21
28100 Novara
Italy
Tel. +39 0321481111
Fax +39 0321481112
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BENELUX
ERO Electronic Benelux SA/NV
Rue Val Notre Dame 384
MOHA 4520 (WANZE)
Tel. 085-274080
Fax 085-274081
[email protected]
BRASIL
ERO ELECTRONIC DO BRASIL Industria e
Comercio Ltda.
Rua Garibaldi, 659 - Conj. 202
90035-050 PORTO ALEGRE
Tel. 051-2214888
Fax 051-2214734
[email protected]
CHINA
TIANJIN VEGA COMPANY Ltd
(TAIF)
Hebei District
300232 TIANJIN
Tel. 022-26273296
Fax 022-26273297
FRANCE
ERO Electronic SARL
Zac du Chêne
34, Rue du 35éme Régiment d’Aviation
69673 BRON CEDEX
Tel. 0478267979
Fax 0478267800
SPAIN
ERO ELECTRONIC IBERICA
Calle La granja, 74
Pol. Ind. Alcobendas
MADRID
Tel. 091-6618194
Fax. 091-6619093
GERMANY
ERO Electronic GmbH
Ottostrasse 1
65549 LIMBURG A.D. LAHN
Tel. 06431-95680
Fax 06431-57493
U.K.
ERO U.K.
Unit 1, Cygnet Trading Estate
Faraday Close
Durrington, Worthing
WEST SUSSEX BN13 3RQ
Tel. 01903-693322
Fax. 01903-693377
NETHERLAND
ERO Electronic Nederland
Ganieelan 4
2404 CH Alphen a/d Rijn
Tel. 0172-420400
Fax. 0172-420395
[email protected]
SOUTH AFRICA
ERO Electronic S.A. Pty Ltd
Airgro House
1343, Spokeshave Avenue
Stormill Ext 2 ROODEPOORT
Tel. 011-4742278/9
Fax 011-4749404
P.O. Box 43112
Industria 2042
[email protected]
2 rue René Laennec 51500 Taissy France
Fax: 03 26 85 19 08, Tel : 03 26 82 49 29
U.S.A.
AMERICAN ERO Electronic Corp
BARRINGTON, ILL. 60010
Tel. 0847-382-0881
Fax 0847-382-0240
U.S.A.
BARBER COLMAN
Industrial Instruments Div.
P.O. BOX 2940
Loves Park, IL - 31132 - 2940
Tel. 0815-637-3000
Fax 0815-637-5341
[email protected]
E-mail:[email protected]
Site web : www.hvssystem.com
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