Omega DP26-RTD User manual

DP26-RTD
Differential Temperature
Meter with RTD
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OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark
to every appropriate device upon certification.
The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts no liability for any
errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.
!This device is marked with the international caution symbol. It is important to read the Setup Guide before installing or
commissioning this device as the guide contains important information relating to safety and EMC.
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PR FAC
Manual Objectives
This manual shows you how to set up an use the Differential RTD Meter.
Standard Procedures:
* Checking voltage jumpers, or changing voltage power
* Mounting the panel
* Selecting the input type
* Selecting a ecimal point position
* Selecting rea ing configuration (Fahrenheit or Celsius)
* Setting setpoint configuration
* Setting setpoint ea ban s
* Entering temperature offset
* Accessing the eviation mo e
* Selecting meter isplay
Optional Procedures:
* Enabling/ isabling analog output
* Selecting analog output as current or voltage
* Selecting analog output or proportional control
* Routing analog output
* Selecting proportional ban
* Using manual reset (offsetting setpoint errors)
* Scaling analog output
For first-time users: Refer to the QuickStart Manual for basic operation an
set-up instructions.
i

NOT S, WARNINGS and CAUTIONS
Information that is especially important to note is i entifie by these labels:
• NOT
• WARNING
• CAUTION
• IMPORTANT
NOT : provi es you with information that is important to successfully setup
an use the Programmable Digital Meter.
CAUTION or WARNING: tells you about the risk of electric shock.
CAUTION, WARNING or IMPORTANT: tells you of circumstances or
practices that can effect the meter's functionality an must refer to
accompanying ocuments.
TIP: Provi es you helpful hints.
iii

iv
Table of Contents
Section
Page
1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.1 UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2. ABOUT THE METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.1 DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.2 STANDARD FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.3 AVAILABLE ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.4 FRONT OF THE METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.5 FRONT-PANEL BUTTON LOCK OUT . . . . . . . . . . . . . . . . . . . . . . . . .8
2.5.1 Push Button Lock Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
2.5.2 Jumper Lock Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
2.6 BACK OF THE METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.7 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3. GETTING STARTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.1 RATING/PRODUCT LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.2 MAIN BOARD POWER JUMPERS . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.3 MOUNTING THE METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.4 CONNECTING SENSOR INPUT . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.5 CONNECTING MAIN POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
3.6 CONNECTING ANALOG AND RELAY OUTPUT CONNECTIONS . .19
4. CONFIGURING THE METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
4.1 SELECTING THE INPUT TYPE (INPT) . . . . . . . . . . . . . . . . . . . . . .20
4.2 SELECTING DECIMAL POINT POSITION (DEC.P) . . . . . . . . . . . . .20
4.3 SELECTING READING CONFIGURATION ("RD.CF") . . . . . . . . . . .21
4.4 SETTING SETPOINT 1 CONFIGURATION (S1.CF) . . . . . . . . . . . . .22
4.5 SETTING SETPOINT 2 CONFIGURATION (S2.CF) . . . . . . . . . . . . .23
4.6 SETTING SETPOINT 1 DEADBAND (S1.DB) . . . . . . . . . . . . . . . . . .24
4.7 SETTING SETPOINT 2 DEADBAND (S2.DB) . . . . . . . . . . . . . . . . . .25

v
Section
Page
4.8 SELECTING OUTPUT CONFIGURATION (OT.CF) . . . . . . . . . . . . . .26
4.8.1 Enabling or Disabling The Analog Output . . . . . . . . . . . . . . . . .26
4.8.2 Selecting Analog Output as Current or Voltage . . . . . . . . . . . .27
4.8.3 Selecting Analog Output or Proportional Control . . . . . . . . . . .27
4.9 ROUTING ANALOG OUTPUT (OUT) . . . . . . . . . . . . . . . . . . . . . . . .29
4.10 SELECTING PROPORTIONAL BAND (P.BND) . . . . . . . . . . . . . . . .29
4.11 USING MANUAL RESET (M.RST) . . . . . . . . . . . . . . . . . . . . . . . . .31
4.12 SCALING THE ANALOG OUTPUT (OT.S.O) . . . . . . . . . . . . . . . . .32
4.13 RTD TEMPERATURE OFFSET ERROR CORRECTION . . . . . . . .36
5. ACCESSING THE DEVIATION MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
6. SELECTING METER DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
7. TUNING THE PROPORTIONAL CONTROLLER . . . . . . . . . . . . . . . . . . . . . . .41
8. DISPLAY MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
9. MENU CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
10. FRONT PANEL DISPLAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
11. SETPOINT CONFIGURATION DISPLAYS . . . . . . . . . . . . . . . . . . . . . . . . . .48
12. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
13. FACTORY PRESET VALUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
14. CE APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

vi
List of Figures
Figure
Figure 2-1. Front-Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Figure 2-3. Connector Label (AC-Powere an DC-Powere Detail) . . . . . . . . . . .9
Figure 3-1. Main Boar Power Jumpers (W1, W2, W3) . . . . . . . . . . . . . . . . . . . .12
Figure 3-2. Main Boar Jumper Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Figure 3-3. Upper Option Boar Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Figure 3-4. Meter - Explo e View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Figure 3-5. Panel Cut-Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Figure 3-6. 2-Wire RTD Input Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Figure 3-7. 3-Wire RTD Input Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Figure 3-8. 4-Wire RTD Input connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Figure 3-9. Main Power Connections - AC Powere Unit . . . . . . . . . . . . . . . . . . .17
Figure 3-10. Main Power Connections - DC Powere Unit . . . . . . . . . . . . . . . . . .18
Figure 3-11. Relay Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Figure 3-12. Analog Output Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Figure 3-13. Isolate Analog Output Connections. . . . . . . . . . . . . . . . . . . . . . . . .19
Figure 4-1 Proportional Ban . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Figure 12-1. Meter Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
List of Tables
Table
Table A-1. Sections of the Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
Table 2-1. Accessories an A -Ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Table 2-2. Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Table 3-1. S3 Jumper Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Table 3-2. Main Power Connections - AC Powere Unit . . . . . . . . . . . . . . . . . . . .18
Table 6-1. Truth Table for Display Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Table 8-1. Display Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Table 9-1. Configuration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Table 10-1. Front Panel Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Table 10-2 Run Mo e Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Table 11-1. Setpoint Configuration Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Table 13-1. Factory Preset Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

1
S CTION 1. INTRODUCTION
1.1 UNPACKING
Remove the Packing List an verify that all equipment has been receive . If there are
any questions about the shipment, use the phone numbers liste on the back cover to
contact the Customer Service Department nearest you.
Upon receipt of shipment, inspect the container an equipment for any signs of
amage. Take particular note of any evi ence of rough han ling in transit. Imme iately
report any amage to the shipping agent.
The carrier will not honor any claims unless all shipping material is saved
for their examination. After examining and removing contents, save
packing material and carton in the event reshipment is necessary.
Verify that you receive the following items in the shipping box:
QTY D SCRIPTION
1 Meter with all applicable connectors attache .
1 Owner's Manual
1 Set Mounting brackets
1 QuickStart Manual
If you ordered any of the available options (except the " L" lank Lens
option), they will be shipped in a separate container to avoid any damage
to your indicator/controller.

2
S CTION 1.2 SAF TY CONSID RATIONS
This evice is marke with the international caution symbol. It is important to
read this manual before installing or commissioning this evice as it contains
important information relating to Safety and MC (Electromagnetic Compatibility).
This instrument is a panel mount evice protecte in accor ance with
EN 61010-1:2001, electrical safety requirements for electrical equipment for
measurement, control an laboratory. Installation of this instrument shoul be
one by qualifie personnel. In or er to ensure safe operation, the following
instructions shoul be followe .
This instrument has no power-on switch. An external switch or circuit-breaker
shall be inclu e in the buil ing installation as a isconnecting evice. It shall be
marke to in icate this function, an it shall be in close proximity to the equipment
within easy reach of the operator. The switch or circuit-breaker shall not interrupt
the Protective Con uctor (Earth wire), an it shall meet the relevant requirements
of IEC 947–1 an IEC 947-3 (International Electrotechnical Commission). The
switch shall not be incorporate in the main supply cor .
Furthermore, to provi e protection against excessive energy being rawn from
the main supply in case of a fault in the equipment, an overcurrent protection
evice shall be installe .
• Do not excee voltage rating on the label locate on the top of the instrument
housing.
• Always isconnect power before changing signal an power connections.
• Do not use this instrument on a work bench without its case for safety
reasons.
• Do not operate this instrument in flammable or explosive atmospheres.
• Do not expose this instrument to rain or moisture.
• Unit mounting shoul allow for a equate ventilation to ensure instrument oes
not excee operating temperature rating.
• Use electrical wires with a equate size to han le mechanical strain an power
requirements. Install without exposing bare wire outsi e the connector to
minimize electrical shock hazar s.
MC Considerations
• Whenever EMC is an issue, always use shiel e cables.
• Never run signal an power wires in the same con uit.
• Use signal wire connections with twiste -pair cables.
• Install Ferrite Bea (s) on signal wires close to the instrument if EMC problems
persist.
Failure to follow all instructions and warnings may result in injury!
Note ☞

3
S CTION 2. ABOUT TH M T R
2.1 D SCRIPTION
The Differential RTD meter is a value packe in icator/controller. Four full igits
accurately isplay your temperature. Select from DIN (Alpha = .00385) or NIST (Alpha
= .00392); 2,3, or 4 wire RTD. Your meter may be a basic in icator or it may inclu e
analog output or ual relay output. Analog or ual relay output must be or ere at time
of purchase. Analog output is fully scalable an may be configure as a proportional
controller, or to follow your isplay. Dual 5 amp, form C relays control critical
processes. Front panel peak etection an memory is also stan ar . A mechanical
lockout has been inclu e to guar against unauthorize changes.
2.2 STANDARD F ATUR S
The following is a list of features:
* 4- igit, 14 segment LED Display
* NEMA 4/Type 4 Front Bezel
* ±0.5° C accuracy
* Automatic Decimal A justment
* Non-volatile memory
* 115 or 230 V ac 50/60 Hz power supply or
10-32 V c or 26-56 V c
* T1, T2, T1-T2 isplay
The following is a list of optional features
* Dual 5 amps, form C relay outputs
* Scalable analog output
* Analog out Proportional control
* Easy setup for proportional control
* Front-panel eviation correction
* Easy RTD error offset calibration

4
2.3 AVAILABL ACC SSORI S
Table 2.1 Accessories and Add-ons
Add-On Options
FS Special Calibration/Configuration
SPC4 NEMA-4 Splash Proof Cover
SPC18 NEMA-4 Splash Proof Cover, NEW
Accessories
TP1A Trimplate panel a aptor.
A apts DIN1A/DIN2A cases to larger panel cutouts
RP18 19-In. Rack Panel for one (1) 1/8 DIN instrument
RP28 19-In. Rack Panel for two (2) 1/8 DIN instrument
RP38 19-In. Rack Panel for three (3) 1/8 DIN instrument

5
2.4 FRONT OF TH M T R
Figure 5-1 shows the location of each part of the front of the meter.
Figure 2-1 Front Panel
Digital L D Display: -
1.9.9.9. or 9.9.9.9. 4- igit, 14 segment, 13.8 mm
(0.54") high LED isplay with programmable ecimal point.
These meter isplay win ows light when appropriate:
1- Setpoint 1 status
2- Setpoint 2 status
C- °C unit in icator
F- °F unit in icator
T1 - T1 on isplay
T2 - T2 on isplay
T1-T2 - T1-T2 on isplay
5 Pushbuttons for programming the meter.
//

••••
12
RESETMENU
DEVT1/T2/SETPTS
CF
-T2T1

6
2.4 FRONT OF TH M T R (Continued)
M T R BUTTONS
S TPTS Button
In the run mo e, press this button to sequentially recall the previous setpoint settings.
After using the /T1/T2an /D V buttons to alter these settings as esire , press
the S TPTS button to store these new values.
Unless you press the S TPTS, /T1/T2or /D V button within 20 secon s to
store your input, the meter will scroll to setpoint 2 the return to the run mo e.
If the dual relay option is not installed or if the “L.3=1” on the “LK.CF” menu, pressing
the SETPTS button will display the meter's firmware version.
/T1/T2Button
In the run mo e, pressing the /T1/T2button will scroll to show T1, T2, an T1-T2.
During the configuration mo e or Setpoint mo es, use the /T1/T2button to
change the values of the flashing igit shown on the isplay an /or toggle between
menu choices, such as "R.1=F" or "R.1=C". When configuring your setpoint values,
press the /T1/T2button to increment the flashing igit from 0 to 9 by 1's.
/D V Button
In the run mo e press the /D V button to isplay the eviation of rea ing from
Setpoint 1.
In the configuration or setpoint mo es, press the /D V button to scroll to the next
igit.

7
2.4 FRONT OF TH M T R (Continued)
M NU Button
In the run mo e, press the M NU button to terminate the current measuring process
an enter you into the configuration mo e.
In the configuration mo e, press the M NU button to store changes in the non-volatile
memory an then a vance you to the next menu item.
To lock the M NU button, install S3E jumper. Refer to Table 3-1 for more information
about the S3 jumpers.
R S T Button
In the run mo e, press the R S T button to:
* reset the latche setpoints. The isplay will show "SP.RS" (Setpoint Reset).
* perform tuning for Proportional Control if the meter is setup to serve as a
proportional controller (0.3=P refer to Section 4.8.3 an Section 7) the meter will
show “TUN ”.
Also in the run mo e, if you har reset or power off/on the meter, it shows "RST"
followe by "D.RTD".
In the configuration mo e, press the R S T button once to review the previous menu.
Pressing the R S T button twice results in a har reset an returns you to the run
mo e.
In the setpoint mo e, press R S T button to go back to the run mo e. THe meter will
show “RUN”.

2.5 FRONT PAN L LOCKOUT
2.5.1 PUSH BUTTON LOCKOUT
To lock the R S T, M NU an S TPTS buttons, verify that the S3-A jumper is
installe an the S3-E jumper is not installe , then follow these steps:
In the run mo e-
1. Press an hol own the R S T button. The meter shows “SP.RS”. Do not
release the R S T button.
2. Press the M NU button an hol R S T button own (3-5 secon s) until the
meter shows “LOCK”.
3. Release both buttons.
To unlock the R S T, M NU an S TPTS buttons, follow these steps:
1. Press an hol own the R S T button. The meter shows “LOCK”. Do not
release the R S T button.
2. Press the M NU button an hol R S T button own (3-5 secon s) until the
meter shows “UN.LK”.
3. Release both buttons.
2.5.2 JUMP R LOCKOUT
To lock all front panel buttons, remove the S3-A jumper (refer to Figure 3-2).
To lock the M NU button only, verify that the S3-B jumper is remove , then install
the S3-A an S3-E jumpers, (refer to Table 3-1).
8

9
2.6 BACK OF TH M T R
Figure 2-2 shows the connector label mounte at the top of the meter housing. Table
2-2 gives a brief escription of each connector at the back of the meter.
Figure 2-2 Connector label (ac Powered and dc Powered detail)
RTD1
+E1 +S1 -S1 -E1
POWER & INPUT CONNECTIONS
(DIFFERENTIAL RTD)
+E2 +S2 -S2 -E2
RTD2

10
2.6 BACK OF TH M T R (Continued)
Table 2-2 Connector Description
Connector Description
TB1-1 Setpoint 1: Normally open (N.O.1) connection
TB1-2 Setpoint 1: Normally close (N.C.1) connection
TB1-3 Setpoint 1: Common (COM1) connection
TB1-4 Setpoint 2: Normally open (N.O.2) connection
TB1-5 Setpoint 2: Normally close (N.C.2) connection
TB1-6 Setpoint 2: Common (COM2) connection
TB1-7 ac line connection (no connections on c-powere units)
TB1-8 ac neutral connection (+ Input on c-powere units)
TB1-9 ac Earth groun (- c-power return on c-powere units)
TB1-10 Analog 1 voltage output
TB1-11 Analog 2 current output
TB1-12 Analog 3 return
TB2-1 +E2: Positive excitation for input #2
TB2-2 +S2: Positive signal input for input #2
TB2-3 -S2: Negative signal input for input #2
TB2-4 -E2: Negative excitation for input #2
TB2-5 +E1: Positive excitation for input #1
TB2-6 +S1: Positive signal input for input #1
TB2-7 -S1: Negative signal input for input #1
TB2-8 -E1: Negative excitation for input #1
TB5-1 Isolate Analog Voltage Output
TB5-2 Isolate Analog Current Output
TB5-3 Isolate Analog Output Return

2.7 DISASS MBLY
You may nee to open up the meter for one of the following reasons:
• To check or change the 115 or 230 Vac power jumpers.
• To install or remove jumpers on the main boar .
Disconnect the power supply before proceeding.
To remove an access the main boar , follow these steps:
• Disconnect the main power from the meter.
• Remove the back case cover.
• Lift the back of the main boar upwar s an let it sli e out of the
case.
11

S CTION 3. G TTING START D
Caution: The meter has no power-on switch, so it will be in operation as
soon you apply power.
If you power off/on the meter, or perform a har reset (press the R S T button twice),
the meter shows "RST", followe by "D.RTD".
3.1 RATING/PRODUCT LAB L
This label is locate on top of the meter housing (Refer to Figure 3-3).
3.2 MAIN BOARD POW R JUMP RS
Important: If you want to change the Factory preset jumpers, o the
following steps; otherwise go to section 3.3.
Warning: Disconnect the power from the unit before procee ing. This
evice must only be reconfigure by a specially traine electrician with
correspon ing qualifications. Failure to follow all instructions an warnings
may result in injury!
To check voltage jumpers, or to change from 115 V to 230 V ac:
1. Remove the main boar from the case. Refer to Section 2.7.
2. Locate the sol er jumpers W1, W2, an W3 (locate near the e ge of the
main boar alongsi e the transformer - refer to Figure 3-1).
3. If your power requirement is 115 V ac, solder jumpers W1 and W3 should
be wired, but jumper W2 should not. If your power requirement is 230 V ac,
solder jumper W2 should be wired, but jumpers W1 and W3 should not.
Figure 3-1 shows the location of sol er jumpers W1 through W3 on the main boar .
Figure 3.1 Main Board Power Jumpers
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