Presys DMY-2030 Light User manual

Instruments
PRESYS
DMY-2030 Universal Process Indicator
TECHNICAL MANUAL
PRESYS DMY-2030
LD1 LD2

PRESYS | Instruments DMY - 2030
EM0012-01
TABLE OF CONTENTS
Page
1 - Introduction........................................................................... 1
1.1 - Description..................................................................... 1
1.2 - Order.............................................................................. 2
1.3 - Technical Specifications................................................. 3
2 - Installation............................................................................ 6
2.1 - Mechanical Installation................................................... 6
2.2 - Electrical Installation....................................................... 6
2.3 - Process Input Signal Connection.................................... 7
2.3.1 - Thermocouple Input.................................................. 8
2.3.2 - RTD Input................................................................. 8
2.3.3 - Milliampere Input...................................................... 9
2.3.4 - Volt or Millivolt Input................................................. 10
2.4 - Output Connection.......................................................... 11
2.5 - Connection Diagrams..................................................... 13
2.6 - Communication............................................................... 14
2.7 - Engineering Units........................................................... 14
3 - Operation............................................................................. 15
3.1 - Normal Operation........................................................... 15
3.2 - Configuration.................................................................. 15
4 - Maintenance......................................................................... 27
4.1 - Indicator Hardware......................................................... 27
4.2 - Hardware Configuration.................................................. 28
4.3 - Optional Module Connection.......................................... 29
4.4 - Calibration...................................................................... 32
4.5 - Maintenance and Hardware Instructions........................ 37

PRESYS | Instruments DMY - 2030
Introduction
Page 1
1 - Introduction
1.1 - Description
The PRESYS DMY-2030 Indicator is an instrument based on microprocessor
that shows all kind of industrial process variable, such as: temperature, pressure,
flow and level. It has non-volatile internal memory (E2PROM) to store calibration
values. Its high accuracy is warranted by autocalibration techniques based on high
thermal stability voltage reference.
It can communicate with computers by optional communication module
RS-232 or RS-422/485.
The Indicator is able to monitor two universal standard inputs and accepts
direct connection of thermocouples, RTD, current (mAdc) and voltage (mVdc, Vdc).
Thermocouples and RTD inputs are linearized automatically by tables stored in
EPROM memory. There is a 24Vdc voltage source isolated from output and with
short-circuit protection in order to supply transmitters.
Input type is enabled by jumpers and software configuration. All configuration
data can be protected by password and are stored in non-volatile memory.
According to modularity concept, the equipment accepts up to four output
cards. The type of outputs are: retransmittion, SPDT relay, SPST relay and solid
state relay. The outputs are isolated from inputs.
It permits a power supply from 90 to 240 Vac.
The equipment has an extruded aluminum case which avoids electrical noise,
electromagnetic interference, radiofrequency interference, etc. and its robust
construction makes it tough enough for the most hostile environment.
PRESYS
DMY-2030
LD1 LD2
ENTER KEY
DOWN KEY
UP KEY
Place to put
Engineering
Units Labels
Figure 1 - DMY - 2030 Indicator Front Panel

PRESYS | Instruments DMY - 2030
Introduction
Page 2
The front panel equipment has a high visibility display configurable up to 4 ½
digits which can show parameters on channel 1, channel 2 or both.
During the configuration, the display shows mnemonics and parameter values.
The couple of leds and the display can be used as alarm view indication or be
associated to outputs, relays, open collectors or triacs. Therefore, there are up to
seven alarm indications (four alarm cards, the display and two leds). Alarm output
can be configured.
Rettransmitter outputs are possible and they provide a linear output signal
from 4 to 20 mA, 1 to 5V or 0 to 10V. This signal allows the retransmittions of the
variable to distant fields, recorders, or other devices.
1.2 - Order code
Order Code
DMY - 2030 - ___ - ___ - ___ - ___ - ___ - ___ - ___
A B C D E F G
Field A Output 1
0 Not used
1 4 to 20mA
2 1 to 5V
3 0 to 10V
4 SPST relay
5 Open collector voltage
6 Solid state relay
Field B Output 2
Same code of Output 1
Field C Output 3
0 Not used
1 SPDT relay
2 Open collector voltage
3 Solid state relay
Field D Output 4
Same code of Output 3

PRESYS | Instruments DMY - 2030
Introduction
Page 3
Field E Power supply
1 90 to 240Vac or Vdc
2 24Vdc
Field F Communication
0 Not used
1 RS-232
2 RS-485
3 RS-422
Field G Case Protection Grade
0 General usage, protected place
1 Front aspersion-proof
2 Weather-proof
Note 1 - Ranges and input types, indication, relay usage as alarms and alarm points
are, among other things, items that the user can program through a front key (if
wanted, specify these information so that all the programmation can be made by
Presys).
Obs.: Hardware and software features are available under previous consult.
Code example:
1) DMY - 2030 - 0 - 0 - 1 - 1 - 1 - 0 - 0
This code defines a DMY-2030 indicator with two SPDT relays which can be
used as high and low alarm, 90-240Vac electric power supply, protected field usage.
1.3 - Specifications
Inputs: Two inputs configurable for thermocouple (J, K, T, E, R, S under ITS-90), 0
to 55 mV, RTD under DIN 43760, 4 to 20 mA, 1 to 5 Vdc, 0 to 10 Vdc. 250 Ωinput
impedance for mA, 10 MΩfor 5 Vdc and 2 MΩabove 5 Vdc.

PRESYS | Instruments DMY - 2030
Introduction
Page 4
Input Sensor Measuring Range Limits
Thermocouple lower limit
°F higher limit °F lower limit °C higher
limit
°C
Type J -184 1886 -120 1030
Type K -346 2498 -210 1370
Type T -418 752 -250 400
Type E -148 1436 -100 780
Type R -58 3200 -50 1760
Type S -58 3200 -50 1760
RTDPt-100 2 or 3-wire
-346 1256 -210 680*
Linear
Span Resolution
Voltage 0 to 55mV
3μV
0 to 5V
250μV
0 to 10V
500μV
Current 0 to 20mA
1μA
(*) includes wire resistance
Table 1 - Input Sensors Span
Outputs:
. 4 to 20 mA, 1 to 5 Vdc, 0 to 10 Vdc Analog Retransmitter, use optional
modules with foreseen fitting for up to two modules galvanically isolated from
power supply and inputs to 300Vac.
. SPDT relay rated for 3A at 220Vac, or to 10A at 220Vac under order. In this
case alarm module is not plugged through a connector, but connected to a
base board. Setting up to four modules (taking two of the analog output
settings). In case of having to use one analog output, you can use three alarm
modules or whenever you use two analog outputs, it is possible to use up to
two alarm modules.
. Logic signal, open collector transistor, 40 mA, 24 Vdc maximum compliance
with isolation.
. solid state relay rated for 2A at 250Vac with isolation.
Serial-Communication:
RS-232 or RS-485, 50 Vdc isolation, optional module.

PRESYS | Instruments DMY - 2030
Introduction
Page 5
Indication:
14mm red leds display with four and a half digits which can be configured
together with the decimal point.
Configuration:
By front-panel pushbuttons and internal jumpers.
Sampling rate:
100 ms Standard. One second display update rate.
Accuracy:
±0.1% of full scale for TC, RTD, mA, mV, Vdc input.
±0.5% of full scale for analog retransmitter output and 750 Ωmaximum load.
Linearization:
±0.1 % for RTD and ±0.2 % for TC.
Square root extraction:
±0.5 % of readings, for input above 10 % of span. 0 to 5 % of programmable
Cut-off.
Cold junction compensation:
±2.0°C at range from 0 to 50°C ambient temperature.
2-wire transmitter power supply:
24Vdc voltage and 50mA maximum, isolated from output, short-circuit
protection.
Span temperature coefficient:
±0.01% / °C of span.
Power supply:
90 to 240 Vac universal, (10 W nominal), 24 Vdc and other values are optional.
Operating ambient:
0 to 50°C temperature and 90% maximum relative humidity.
Dimensions:
1/8 DIN (48mm X 96mm X 162mm) H x W x D, (45mm X 92mm) H x W
panel cutout.
Weight:
0.5 kg approx.
Warranty:
One-year warranty.

PRESYS | Instruments DMY - 2030
Installation
Page 6
2 - Installation
2.1 - Mechanical Installation
The DMY-2030 front panel indicator is 1/8 DIN size (48mm X 96 mm)
Prepare the panel cutout according to Figure 2.
Slide the instruments sleeve into the cutout from the front.
Install the mounting brackets from the rear. Verify that the 4 bars are firmly
seated in the slots on the sleeve; correctly installed brackets will not fall out.
Tighten the screws firmly.
Figure 2 - Dimensional drawing, panel cutout and lateral view.
2.2 - Electrical Installation
The DMY-2030 Indicator may be powered by voltage between 90 and 240Vac
or Vdc. Remember power is always applied to the internal circuit when the instrument
is connected to the AC supply.

PRESYS | Instruments DMY - 2030
Installation
Page 7
Make input and output terminations to instrument only with the power off.
Refer to Figure 3 for rear terminal designations.
Keep power and signal input separated.
CAUTION: The instrument ground should be directly connected to earth
ground. Never connect the ground to neutral terminal.
Figure 3 - Indicator I/O Terminals
2.3 - Process Input Signal Connections.
The Indicator in its universal standard inputs can be connected to
thermocouples, 2 or 3-wire RTD, milliamperes, millivolts or volts. See table 1,
section 1.3.
One input sensor is enabled by internal jumpers (see Hardware Configuration
section 4.2) and by configuration (see Configuration - section 3.2). Therefore, it is
very important to configure both hardware and software of the instrument.
The wiring of a type of sensor in input 1 doesn’t restrict the use of other sensor
in input 2.
In order to avoid noise in the wiring, use twisted pair cable and cross sensor
connection wire inside a metallic tube or use shielded cable. Take care to connect
only one shield wire end either to board terminal or to sensor ground, according to
next figures.
WARNING: The grounding of two shield wire ends may cause noise in the Indicator.
COMMUNICATION INPUT 2 INPUT 1
TPS
POWER SUPPLY
OUTPUT 4 OUTPUT 3 OUTPUT 2 OUTPUT 1
NEUTRAL LINE
24Vdc 23 (+)
24
(
)
Cold junction
compensation
GND
EARTH
12
3
4
5
678
910
1112
13
14
1516
17
18
1920
21
22
23
24

PRESYS | Instruments DMY - 2030
Installation
Page 8
2.3.1 - Thermocouple Input
When there is only one thermocouple, connect it to input 1 in order to get
better values in temperature measurement.
Put thermal paste from the terminals of the thermocouple to the cold junction
sensor in order to decrease the cold junction compensation error (only if high-
accuracy is needed).
Connect the thermocouple to terminals 2 (+) and 3 (-) to use input 1 or to
terminals 5 (+) and 6 (-) to use input 2 as shown in Figure 4.
Use appropriate compensating cable (thermocouple extension wire) having
the same thermal emf as the thermocouple to which is connected; verify that correct
polarity is respected at both the thermocouple-end and instrument-end of the cable.
Figure 4 - Thermocouple Input
2.3.2 - RTD Input
An RTD input device may be a 2-wire, 3-wire or 4-wire RTD.
The 2-wire RTD is wired to board terminals 1 and 3 to use input 1 or to
terminals 4 and 6 to use input 2 as shown in Figure 5.
The 3-wire RTD is wired like the 2-wire RTD, only connect the third
measurement lead to terminal 2 to use input 1 and to terminal 5 to use input 2, as
shown in Figure 5.
Use 3-wire RTD to get better values than 2-wire RTD.
The third and fourth leads on an RTD are wire-drop compensation leads. For
Indicator applications, the fourth wire on a 4-wire RTD is not used.
654321
654321
-+ -+
-+ -+
Grounded Ungrounded
Thermocouple
Note 1
Note 1
Twisted or
shielded pair
Channel 2 Channel 1 Channel 2 Channel 1
Note 1: Keep shielded wire disconnected at this end.

PRESYS | Instruments DMY - 2030
Installation
Page 9
Use the same material, gauge and length copper wire on all 3 terminals. The
maximum resistance of connection wire is 10 Ω/ wire.
654321
654321
654321
654321
654321
654321
G
R
O
UNDED
UNGROUNDED
2-WIRE 3-WIRE 4-WIRE
2-WIRE 3-WIRE 4-WIRE
Channel 2 Channel 1 Channel 2 Channel 1 Channel 2 Channel 1
Channel 2 Channel 1
Channel 2 Channel 1 Channel 2 Chanhel 1
Note 1: Shield to be left unconnected at this end..
Note 1 Note 1 Note 1 Note 1
Note
1
Note 1
Note 1
Note 1
RTD
RTD RTD RTD
RTD RTD
NC NC
NC NC
Figure 5 - RTD Input
2.3.3 - Milliampere Input
Current source from 4 to 20 mA can be applied between 1(+) and 3(-)
terminals to input 1 and between 4(+) and 6(-) to input 2. In case of using a 24 Vdc
voltage source to supply a two-wire transmitter, the current is received only by
terminal 1(+) for input 1 and received by terminal 4(+) for input 2 (see Figure 6).

PRESYS | Instruments DMY - 2030
Installation
Page 10
Figure 6 - Milliampere Input
2.3.4 - Volt or Millivolt Input
0 to 55 mVdc or to 0 to 5 Vdc must be applied between terminals 2 (+) and 3
(-) in input 1 and between 5(+) and 6(-) in input 2. 0 to 10 Vdc must be applied
between terminals 1(+) and 3(-) in input 1 and between terminals 4(+) and 6(-) in
input 2 (see Figure 7).
2-Wire transmitter
Note 1: Shield to be left unconnected at this end.
Note 2: Connect the shileld wire to the transmitter ground. If there is no ground terminal, let the shield wire disconnected at this end.
4-Wire Transmitter
Ungrounded transmitter

PRESYS | Instruments DMY - 2030
Installation
Page 11
Figure 7 - Volt or millivolt Input
2.4 - Output Signal Connections
The Indicator can have up to four output signal: output 1, output 2, output 3
and output 4. Outputs 1 and 2 are used as retransmittion or alarm output. Outputs 3
and 4 are used as alarm outputs.
Referring to outputs 1 and 2 there are six different types of outputs among I/O
terminals: retransmittion (4 to 20mA, 0 to 5Vdc or 0 to 10Vdc), SPST relay, open
collector voltage and solid state relay.
There are three different types of outputs for outputs 3 and 4: SPDT relay,
open collector voltage and solid state relay (See Figure 8).
Note 1: Shield to be left unconnected at this end.
Note 2: Connect the shield wire to ground terminal.
_
_
_
_
_
_
_
_
+G
+G
+G
+G
+G
+G
+G
+G
0to55mV 0to55mV
0to55mV 0to55mV
0to5V
0to10V 0to10V 0to10V0to10V
0a5V
0to5V 0to5V
or or
or or
_
_
_
_
+
+
+
+
_
_
_
_
+
+
+
+
Note 1
Note 1
Note 2
Note 2

PRESYS | Instruments DMY - 2030
Installation
Page 12
Note that I/O terminals only show output signal if optional module is installed
and the output is configured. Refer to Configuration - section 3.2 for further details.
(*) Relay contact condition shown applies when power is off. All relays are energized when power is turned on and
in non alarm conditions. It is the SAFE option.
Figure 8 - Output Connection
13
14
15
16
OUTPUT 1
OUTPUT 1
OUTPUT 3
OUTPUT 2
OUTPUT 2
OUTPUT 4
13
14
15
16
17
18
19
20
21
22
FUNCTION INTERNAL DEVICE TERMINALS
RETRANSMITTER OUTPUT
ALARM
4 to 20mA 0 to 5V 0 to 10V
4 to 20mA 0 to 5V 0 to 10V
SCR
SCR
SPST
SPST NC
C
C
SCR
SCR
SPDT
SPDT
NC
NC
C
C
NO
NO*
+24V
+24V
+24V
+24V
Logic
Logic
Logic
Logic
+
-
+
-
NC
*
*
*
*
*

PRESYS | Instruments DMY - 2030
Installation
Page 13
2.5 - Connection Diagrams
12
3
4
5
678
910
1112
13
14
1516
17
18
1920
21
22
23
24
GND
EARTH
COMMOM Tx- Tx+ Rx- Rx+
COMMUNICATION
INPUT 2 INPUT 1
POWER SUPPLY
OUTPUT 4 OUTPUT 3 OUTPUT 2 OUTPUT 1
NEUTRAl LINE
SCR SCR SCRSCR
+24V +24V +24V +24V
Logic Logic Logic Logic
++
+
+
C
NF
(1)
C
NF
(1)
NF
C
NA
(1)
(1)
NC
C
NO
(1)
(1)
+ +
RTD
Current 4-20mA
Voltage 0 to 10V
COMMOM Tx Rx
GND
RS-232
Relay 1Relay 3Relay 4 Relay 2
Transmitter Power Supply +24V
RS-422/485
Alarms
+
+
+
+
Retransmittion
4to20mA
0to5V
0a10
V
Notes:
(1) NC and NO refer to the condition of the relay contacts when the
relay is energized; i.e. when the relay is in the non-alarm condition.
(2) Optional modules.
(2)
(2)
(2)
24Vdc 23 (+)
24 ( )

PRESYS | Instruments DMY - 2030
Installation
Page 14
2.6 - Communication
The Indicator DMY - 2030 can communicate with computers by RS-232 or RS-
422/485 since optional module is installed and the communication parameters are
configured.
2.7 - Engineering Units
A label containing a selection of Engineering Units is supplied with each
Indicator. Select the one corresponding to the variable shown on the display and
stick it to the front panel of the controllers.

PRESYS | Instruments DMY - 2030
Operation
Page 15
3 - Operation
3.1 - Normal Operation
The Indicator DMY-2030 has two modes of operation: normal mode and
configuration mode.
During normal operation, the Indicator monitors the two inputs, verifies alarm
conditions and activates four outputs if necessary.
Configuration mode is used to select and configure all the Indicator
parameters.
Indicator normal operation mode is called level zero. In this level, the three
front panel Keys have these functions:
ENTER Key It changes from level zero to
other levels or asks the password.
DOWN Key It changes the channel shown in
display. If the display was showing
the channel 1(2), then press
DOWN , the display will show
variable value in channel 2 (1).
UP Key It shows the outputs configured
as alarms which needs
acknowledgment to turn to normal
lstate.(*)
(*) Go on pressing UP Key in order to show measured variable value. The
display will show it if there is no active relay.
3.2 - Configuration
It can be a password installed in the Indicator to get configuration mode. This
procedure avoids non-authorized persons to change process parameters.
Therefore, when the ENTER Key is pressed in the normal mode one of these
facts can happen:
i. Enter direct in level 1 (GENERAL) of configuration mode; this fact means that the
instrument has no password.
ii. The display shows the warning PASS, this fact means that the instrument has a
password either by Key or by value (Refer to Figure 9).

PRESYS | Instruments DMY - 2030
Operation
Page 16
Figure 9 - Password by Key and by value
Press UP, DOWN and ENTER Keys in this order to enter configuration level
for password by Key.
Press the ENTER Key again for password by value. Then, it will appear the
number 00000 and the right end digit will flash. The flashed display shows the
position of the digit which can be changed. Press the ENTER Key to go to next digit.
After entering all digits, press ENTER again to turn to level one if the password is
right; otherwise turn to normal operation.
The user can choose password both via Key and value. If the password via
Key is wrong, the display will go to password via value.
The password can be a number chosen by the user. Note that in password by
value, the number 2030 is always enabled, which helps the user. Use Indicator front
Keys in order to set a number as password.
UP key Increases values being set.
DOWN Key Decreases values being set.
ENTER Key Changes into left digits.
All configuration parameters are stored in non-volatile memory and control the
normal operation. The user can change the factory configuration by these
parameters.
Configuration parameters are distributed in six hierarchical levels shown in
figure 10.
Use front keys of instrument to go through the levels and access the
parameters of each level.
ENTER key Moves into each level.
UP Key Moves to higher levels.
DOWN Key Moves to lower levels.
PASS
PASS 0000
GENERAL
GENERAL
RIGHT
RIGHT
WRONG
WRONG
OPERATION
OPERATION

PRESYS | Instruments DMY - 2030
Operation
Page 17
Warning: Rectangles mean the Indicator display in figure 10.
Figure 10 - Parameters Levels Diagram.
Inside each level, front panel Keys have the following functions :
UP Key Turn the options to higher.
DOWN Key Turn the options to lower.
ENTER Key Confirm or advance the options inside the
level if the display doesn’t show ESC. If there
is ESC in display, return one or two
positions.
Level 1 - General
There are four options in the level 1: TAG, SOFT, PASS and INDIC (Refer to
figure 11).
TAG - Enables an alphanumeric identification for the instrument. The
procedure is the same as password by value (Refer to 3.2 - Configuration).
SOFT - Shows the software version.
RS
LEVEL 6
LEVEL 5
LEVEL 4
LEVEL 3
LEVEL 1
LEVEL 0
LEVEL 2
OUTPUT
INPUTS
CALIB
ALAR
GENER
GENER
PASS
OPERATION

PRESYS | Instruments DMY - 2030
Operation
Page 18
PASSWORD - allows putting or not a password system in order to access the
configuration mode. Password system can be changed by Key, value (number
chosen by user or the number 2030) or both. Press UP, DOWN and ENTER Keys in
this order to get password by Key.
INDIC - There is a possibility of channel 1 and channel 2 visualization if the
user presses the DOWN Key or let the instrument change between both channels. In
first situation, NO is selected to option TWO and in second situation YES is selected
to option TWO.
Figure 11 - General Level Options
Referring to figure 11, the table below follows:
Mnemonic Parameter Span Factory
Value Units
TAG
instrument identification
__________
P2030
__________
SOFT software version __________ I - 2.21 __________
VALUE user password -9999 to 99999 0 __________
TIME 1
channel 1 exhibition time 1.0 to 3000.0 5.0 seconds
TIME 2
channel 2 exhibition time 1.0 to 3000.0 1.0 seconds