Kobold TDA Series User manual

KOBOLD Instruments Inc. 1801 Parkway View Drive Pittsburgh, PA 15205
Phone (412) 788-2830 • Fax (412)-788-4890 • www.koboldusa.com
KOBOLD TDA Series Digital Temperature Transmitter
TDA-15 Series
User Instructions
TDA_manual_3-10-04

Table Of Contents
FM Rev. 03/10/04
TDA
KOBOLD TDA Series Digital Temperature Transmitter
1.0 General . . . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 1
2.0 Specifications. . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 1
3.0 Mechanical Installation. . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 5
4.0 Electrical Installation . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 5
5.0 Operation . . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 6
5.1 Programming Functions. . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 7
5.2 Programming Menu Item Descriptions. . .. . . . . . . . . . . . . . . . . . . . . . 10
6.0 Maintenance . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 11
List Of Diagrams
Diagram 2.1 Dimensions. . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 3
Diagram 4.1 Electrical Connections. . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 6
Diagram 5.1 Displays and Controls. . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 6
Diagram 5.2 Programming Functions . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 7
Diagram 5.3 Sequence to Change a Value. . . .. . . . . . . . . . . . . . . . . . . . . . 8
Diagram 5.4 Programming Flowchart . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 9
Diagram 5.5 Start Current and End Current Example. . . . . . . . . . . . . . . . . 11
List of Tables
Table 2.1 Part Number Identification. . . . . . .. . . . . . . . . . . . . . . . . . . . . . 2

TDA
FM Rev. 03/10/04
CAUTION: For safety reasons, please read the cautionary information located at
the end of the manual, before attempting installation.
1.0 General
The KOBOLD TDA Series is a solid state, electronic temperature transmitter which
employs a digital sensing element as the heart of the sensing system. The digital sensing
element provides a stable reading with little calibration drift over its service life. The TDA’s
microprocessor based electronics allow the user to adjust transmitter zero, span and
lockout code.
In addition to the analog output, the TDA has a digital display for local indication of
temperature.
2.0 Specifications
Available Ranges: See table 2.1
Display Type: 3 Digit LED
Display Resolution: ±0.5° below 100°
±1° for 100° and above
Accuracy (worst case)
14°F to 185°F: ±1°F
186°F to 250°F: ±3.6°F
-58°F to +13°F: ±3.6°F
Sensor Element: Digital temperature sensor
Maximum Pressure: 1150 PSIG
Sensing Probe Material: 316L Stainless steel
Housing Material: 316L Stainless steel
Electrical Data
Output Type: 4-20 mA, 3 wire
Max. Loop Burden: 500 ohms
Response Time: 50 mSec.
Power Supply Requirement: 24 VDC ±20%, 80 mA Max.
Electrical Connection: M-12, Micro-DC connect male
Electrical Protection: NEMA 4X/IP 65

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Table 2.1 Part Number Identification
TDA = Compact Electronic Temperature Transmitter
15 = 4-20 mA Output Type
N4 = 1/2” NPT Fitting
N5 = 3/4” NPT
R4 = 1/2” BSP
R5 = 3/4” BSP
D6 = Remote probe, smooth shank w/ 8 Ft. cable
0= 12 mm (1/2”) ( not available with fitting D6)
1= 100 mm (4”)
8= 185mm (7.25”) (not available with fitting D6)
L3M = Micro-DC plug, 4-pin, male
L3P = 3 Ft. PVC cable
L3S = Custom length PVC cable
EC = Extended cable length on process connection D6
Range
TDA - 15 - N4 - F2 - 1 - L3M = Example TDD model code
F2 = 0 to 250°F
H2 = -20 to 120°C
F3 = -58 to 250°F (available only with fitting D6)
H3 = -50 to 125°C (available only with fitting D6)
Probe Length
Electrical Connection
Options

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FM Rev. 03/10/04
Diagram 2.1 Dimensions
1.75
0.93
1.68
1.56
41 mm
micro-DC 4pin
M-12 x 1
1.89
.47
.45
.28
AB
1/2” NPT 2.76
3/4” NPT 2.78
Dimensions in inches unless otherwise noted
Probe Length 1 and 2

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FM Rev. 03/10/04
Fitting Style D6 (remote probe)

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FM Rev. 03/10/04
3.0 Mechanical Installation
The following general installation instructions and precautions must be followed to insure
proper, reliable operation:
1. Select a suitable location on the piping system for installation. Installation in a
location where sediments can collect on the temperature sensing probe (such
as the underside of a horizontal piping run) will cause sluggish or faulty
operation.
2. The sensor should not be installed directly on top of a horizontal piping run (12
O’clock position). Air pockets which can form at the top of the pipe will prevent
the measuring probe from obtaining accurate temperature measurement.
Mounting at the 2 O’clock to 5 O’clock or the 7 O’clock to 10 O’clock position is
best.
3. The ambient temperature range which the device can withstand is -4°F to
+140°F. If the sensor is located outdoors in a cold environment the TDA must
be protected from excessively cold temperatures with insulated heat tracing or
by other suitable means. In hot environments the switch should be located in
an area where the ambient temperature does not exceed 140°F.
4. In order to obtain an accurate measurement of the bulk fluid temperature in a
pipe, the fitting into which the device is installed must allow the sensing probe
tip to protrude past the ID of the pipe and into the flow stream. The turbulent
fluid flow will then promote mixing and yield an accurate measurement.
4.0 Electrical Installation
The following electrical installation instructions and precautions must followed to insure
proper sensor and analog output operation. Failure to follow these instructions may
result in irreparable damage to the device:
1. This device requires a power supply rated at 24 VDC ±20%. The current
requirement is 80 mA maximum. Ensure that the power supply used is capable
of providing this current and voltage.
2. In order to minimize electromagnetic noise pickup, a jacketed instrument and
control cable with shield should be used. The shield should be connected to
the power system earth ground at one end of the cable only.

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FM Rev. 03/10/04
Diagram 4.1 Electrical Connections
Typical Wiring
5.0 Operation
Diagram 5.1 Displays and Controls
1
2
3
44-20 mA Out
Not
Connected
-DC
+ DC Supply
24 VDC ±20%
Optional Mating Connector
Brown = 1 = +DC
White = 2 = Not Connected
Blue = 3 = -DC
Black = 4 = 4-20 mA out
TDA-15...
1
4
3
+DC
4-20 mA out
-DC
Input Device
+
-
.
Press to enter a menu
programming branch,
or change a display value
Hold for 3 seconds
to enter programming
menu. Press to step
through menu

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5.1 Programming Functions
The TDA digital pressure transmitter is programmed via membrane push-buttons on the
faceplate of the device as shown in the following figure.
Diagram 5.2 Programming Functions
5.1.1 Changing Values in Setup Mode
During Normal Operation
:
:
Press for 3 Sec to Enter Setup Mode
During Setup Mode
: Next Step
: Change Values
Press 3 sec
Exit Setup
Or for 20 sec
Press no buttons

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FM Rev. 03/10/04
When in the Setup Mode the actual values of zero, span, dampening and other functions
are adjusted as required by the user. From the main menu (e.g. Change Code “CCo”),
press the “” button to adjust that functions value. The following diagram shows the
sequence of steps required to change a value.
Diagram 5.3 Sequence to Change a Value
DD
EDIN FUTURE REVISION
Speichern
Save Value
Press “” to get from the main menu to change a value
Set the first digit
Set the second digit
Set the third digit
Set the decimal point
location
reset value
or

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FM Rev. 03/10/04
5.1.2 Programming Flow Chart
Diagram 5.4 Programming Flowchart
Change Value
Start current
select
End current
Start current
Lock code
entry
Code change
3 sec
Code=
7sec
7sec
7sec
Save
Start current
Save
End current
4-20
mA
0-20
mA
Change Value
Change Value
Change Value

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5.2 Programming Menu Item Descriptions
After the Button is depressed for three seconds to enter the setup mode, and the
lockout code is entered (if lockout is enabled), the programming menu is accessed.
Diagram 5.4 provides a flowchart of the programming menu. Section 5.1.1 and diagram
5.2 and 5.3 provide details on how to change the value of each menu item parameter.
The following is a detailed description of each menu item.
5.2.1 Cod - Code
If the lockout feature was enabled during a prior setup, the user code which was selected
at that time must be entered. Section 5.1.1 ‘Changing Values in Setup Mode’ on page 7
provides steps required to enter the value.
5.2.2 S - C - Start Current
This menu item allows the user to input the pressure which corresponds to the current
transmitter’s zero point (4 mA or 0 mA point). Typically this value is zero (i.e. zero PSIG =
4 mA). Any number between -199 and 999 within the measuring range of the devise can
be entered. Additionally, a decimal point can be added if desired. To perform the Start
Current adjustment, if desired, use the button to get to the S - C menu item. Then
press the button and hold down for 7 seconds to enter the S - C branch. After
entering, Section 5.1.1 ‘Changing Values in Setup Mode’ on page 7 provides steps
required to change a value. The transmitter output will remain at its zero point (4 mA or 0
mA) until the system pressure rises above the Start Current setting.
5.2.3 E - C - End Current
This menu item allows the user to input the pressure which corresponds to the current
transmitter’s maximum span (20mA point). The device is preset at the factory with this
value set to the transmitters full scale measuring range. Any number between -199 and
999 within the measuring range of the device can be entered. Additionally, a decimal
point can be added if desired. To perform the End Current adjustment, if desired, use the
button to get to the E - C menu item. Then press the button and hold down for 7
seconds to enter the E - C branch. After entering, Section 5.1.1 ‘Changing Values in
Setup Mode’ on page 7 provides steps required to change a value.
5.2.4 SCS - Start Current Select
This menu item allows the user to select a transmitter zero point of either 0 mA or 4 mA.
A zero point of 4 mA is preset at the factory. To change this setting, if desired, use the
button to get to the SCS menu item. Then press the button and hold down for 7
seconds to enter the SCS branch. Use the button to change the value. Use the
button to accept the value. Use the button to proceed through the programming menu

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FM Rev. 03/10/04
Example: A TDA series temperature transmitter is purchased with a measuring
range of 0-250°F (The Max. measuring range can be determined by
the model number code, or by applying power to the device. When
power is first applied the Max. measuring range flashes on the
display for 3 seconds.) From the factory, the Start Current (S - C)
value is preset at 00.0 and the End Current (E - C) value is preset at
250. The Start Current Select (SCS) value is set at 4 for 4 mA.
It is desired to field program the transmitter’s output such that the
zero point is at 60°F (S - C adjusted to 60.0) and the span point is at
200. (E - C adjusted to 200). The transmitter output Vs. temperature
for the factory settings and the field modified settings are shown in
Diagram 5.5
5.2.5 CCo - Change Code
This menu item allows the user to set a pass code which will lock out the programming
functions. This protects the device from un-authorized access to the setup menu. Section
5.1.1 ‘Changing Values in Setup Mode’ on page 7 provides steps required to change a
value. The code can be any value from 000 to 999. A code of 000 disables the lockout
function. A value other than 000 will require entry of that code to access the setup menu.
6.0 Maintenance
The TDA series temperature sensors have no moving parts therefore are virtually
maintenance free. Depending on the type of media, the temperature probe may become
ccoated over time. Sluggish response to changes in system temperature would be
evidence of this. If coating occurs, remove the sensor from the system and clean the
temperature sensing port using compressed air or a water stream.
Current (mA)
Temperature (°F)
0
4
20
60 100 200
Figure 5.5 Start Current and End Current Example
Factory Setting
Field Setting

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FM Rev. 03/10/04
CAUTION
PLEASE READ THE FOLLOWING WARNINGS BEFORE ATTEMPTING
INSTALLATION OF YOUR NEW DEVICE. FAILURE TO HEED THE
INFORMATION HEREIN MAY RESULT IN EQUIPMENT FAILURE AND
POSSIBLE SUBSEQUENT PERSONAL INJURY.

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FM Rev. 03/10/04
•User's Responsibility for Safety: KOBOLD manufactures a wide range of
process sensors and technologies. While each of these technologies are
designed to operate in a wide variety of applications, it is the user's
responsibility to select a technology that is appropriate for the application,
to install it properly, to perform tests of the installed system, and to maintain
all components. The failure to do so could result in property damage or
serious injury.
•Proper Installation and Handling: Use a proper thread sealant with all
installations. Take care not to overtighten the fittings. Always check for
leaks prior to system start-up.
•Wiring and Electrical: Section 2.0, Specifications and Section 4.0,
Electrical Connections, provide the voltage and current limitations and the
wiring for the various sensor types. The sensor electrical ratings should
never be exceeded. Electrical wiring of the sensor should be performed in
accordance with all applicable national, state and local codes.
•Temperature and Pressure: Section 2.0, Specifications, provides the
temperature and pressure limits for each model. Operation outside these
limitations will cause damage to the unit and can potentially cause personal
injury. Fluid should never be allowed to freeze inside the sensor.
•Material Compatibility: Make sure that the model which you have
selected is chemically compatible with the application liquids. While the
meter is liquid and spray resistant when installed properly, it is not
designed to be immersed.
• Flammable, Explosive and Hazardous Applications: The TDA series is
not an intrinsically safe or explosion proof design. They should not be used
in installations in which an instrinsically safe or explosion proof design is
required.
•Make a Fail-safe System: Design a fail-safe system that accommodates
the possibility of device or power failure. In critical applications, KOBOLD
recommends the use of redundant backup systems and alarms in addition
to the primary system.

15 TDA
FM Rev. 03/10/04
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