Endress+Hauser smartgrad TMD833 User manual

BA019T/02/en/11.02
smartgrad TMD833
Field transmitter
Hart protocol
Installation and Operation Manual
Endress+Hauser
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Contents Page
Safety hints 3
Installation, setting up and operating personnel 3
1. System description 4
2. Mechanical installation 4
2.1 Mounting 4
3. Electrical connection 5
3.1 Terminal layout and power supply 5
3.2 Grounding of the loop circuit 5
3.3 Sensor connection 6
3.4 System integration 7
4. Operating overview 7
4.1 Configuration 7
4.2 Set up using a personal computer with Commuwin II 8
4.3 Set up using the hand held module 8
5. Operating parameter description 11
5.1 Standard configuration 11
6. Fault finding and repair 12
7. Technical data 13
smartgrad TMD833
2Endress+Hauser

Safety hints
Correct use
•The field transmitter displays scaled signals from thermometers and thermocouples
to a loop powered output. The optional display indicates the measurement regarding
the real temperature in the process.
•The manufacturer cannot be held responsible for damage caused by incorrect use
of the instrument. Changes must not be made to the unit.
•The unit has been designed for use in industrial areas and must only be used in an
installed condition.
•The process display is manufactured using state of the art technology and complies
to the directives. On the version for use in explosion hazardous areas the norms
EN 50014, EN 50020 are also complied with.
The unit could become dangerous if it is incorrectly installed or used.
Therefore please take note of all the safety hints and pictograms shown in these
installation and operating instructions. The meanings of the pictograms are:
"Note" means activities or sequences that, if not done correctly could
have an indirect influence on the units operation or could release an
unforeseen unit reaction.
"Caution" means activities or sequences that, if not done correctly
could lead to personal injury or faulty unit operation.
"Warning" means activities or sequences that, if not done correctly
could lead to serious personal injury, to a safety risk or total damage
to the unit.
Installation, initial setting up and operating personnel
•Mechanical and electrical installation, setting up and maintenance of the unit must
only be carried out by skilled and qualified personnel who have been authorised to
do so by the plant operator. The skilled personnel must have read and understood
these installation and operating instructions. They must follow them carefully.
•The unit must only be operated by trained personnel who have been authorised by
the plant operator. They must follow all instructions contained in this manual.
•Always make sure that the unit is correctly connected following the electrical
connection diagrams. When removing the unit cover the electrical contact protection
is lost (danger of electrical shock). The housing must only be opened by qualified
skilled personnel.
•The unit must only be used in an installed condition.
Repairs
Repairs must only be carried out by trained customer service personnel. If the unit is
to be returned to Endress+Hauser for repair, please include a description of the fault.
Technical advancement
The manufacturer reserves the right to improve and update the technical details.
smartgrad TMD833
Endress+Hauser 3

Wall mounting Horizontal pipe mounting Vertical pipe mounting
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1. System description
The smartgrad TMD833 is a microprocessor based 2 wire smart field transmitter for
temperature measurement. The transmitter and the optional LC Display are
encapsulated into IP 65 housing.
The instrument converts a resistance bulb change or a thermocouple generated mV
signal into process information (typical 4-20mA).
Otherwise generated Ohm or mV signals are also accepted as input signals.
The smartgrad TMD833 Field - Transmitter accepts one of the following inputs with a
single set of electronics:
•3 different RTD types
•10 different Thermocouple types
•Ohm, two different ranges
•mV
The smartgrad TMD833 is available as General Purpose, Intrinsically Safe or Explosion
proof design (Pending). Generally the input is galvanically isolated from the output;
another guarantee for high operational reliability.
2. Mechanical installation
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•The unit must be operated in an installed condition.
•The permissible operating ambient temperature is -40...+85°C (for the EEx ia version
please respect the temperature class in the certification).
•Protect the unit from heat sources.
Normally the installation requirements for both Ex and non-Ex units are the same.
The operator has to follow the rules regarding the specific Ex area class.
2.1 Mounting
TMD833 can be 2" pipe or wall mounted.
Please find the brackets for 2" pipe or wall
mounting inside the carton box.
smartgrad TMD833
4Endress+Hauser

C99MT004.CDR
3. Electrical connection
3.1 Terminal layout and power supply
The smartgrad TMD833 field transmitter utilises the standard 4...20 mA signal for
temperature, ohm or mV linear output.
The analogue output signal is available both for direct 4...20 mA or reverse 20...4 mA.
HART Protocol is superimposed onto the two wire loop powered output signal.
If self-diagnostics detect a sensor burnout or transmitter failure, the analogue signal
will be driven either below 3.8 mA or above 21 mA to alert the user. High or low failure
mode signal is user-selectable by software (Commuwin II or DXR275).
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1 Measured signal (+) 4 ... 20 mA
2 Measured signal ( ) 4 ... 20 mA
3 Together with (1), Test signal mA
Grounding
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The temperature transmitter TMD833 (EEx ia version) shall be supplied by associated
apparatus with galvanic insulation certified according to EN 50.014 / 50.020
standards, type of protection EEx ia, with the electrical characteristics indicated in the
certification.
In flammable atmosphere the electrical characteristics on the power / loop side and
also on the sensor side must correspond to the certification.
3.2 Grounding of the loop circuit
Both the terminal layout and the connection values of the field transmitter relate to the
Ex version. The unit is only meant for use in a 4 ... 20 mA current loop circuit.
Potential equilibrium must be garanteed on the current loop (inside and outside the
Ex hazardous area). In order to achieve this use the earthing (ground) lug on the
housing.
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Push the sensor cable in
and connect the sensor
signal (see below)
Pull the display outside the
plastic case with a lever (i.e. a
screwdriver) between the case
and the display edge
Unscrew and pull the
display plastic case
•J7 in position 1-2 bridges the J2 2-3 terminals
J7 in position 2-3 does not bridge
•J8 in position 1-2 bridges the J2 4-5 terminals
J8 in position 2-3 does not bridge
Female
connector
display
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JUMPERS:
J7 : 2,3
J8 : 2,3
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J7 : 1,2
J8 : 2,3
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J7 : 1,2
J8 : 1,2
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Loosen the cover
3.3 Sensor connection
For installing the sensor connection wires, open the cover on the opposite side of the
cable entry (display cover), see figure 1.
If the instrument has a display, pull the display outside the plastic case, see figure 2.
Remove the plastic case, see figure 3, and find the fix board for the wires.
Push the sensor cable in, through the cable entry on the bottom of the instrument to
the connection room, see figure 4.
Sensor signal connection
Attention! : Regarding the type of sensor, the bridges must be installed in J7/J8 on the
right pins.
PUSH
1234
smartgrad TMD833
6Endress+Hauser

System bus
Control system
Commuwin II
4 ... 20 mA
- max. 64 Instruments -
C99MT006.CDR
FXN672 ZA67.
E+H Rackbus
3.4 System integration
The smartgrad TMD833 field transmitter with HARTProtocol can be integrated into
a 19" rack with the 19" Power supply FXN672.
Integration with HART Multiplexer in generic Fieldbus system. Direct reading of the
process variable with Digital accuracy.
4. Operating overview
Operation as well as the parameter settings and their function are exactly the same as
General Purpose - EEx ia or EEx d - Version of smartgrad TMD833 field transmitter.
Please note the following paragraphs for operation and the notes for setting up.
4.1 Configuration
The complete configuration of smartgrad TMD833 field transmitter can be made
remotely with HART protocol. The digital communication is superimposed on the
4 ... 20 mA output signal and transmits condition information during the operation
without disturbing the measurement value.
smartgrad TMD833
Endress+Hauser 7

Commuwin II Commubox - Interface FXA191*
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HART Communication requires a minimum loop
resistance of 250 Ohms. Do not communicate with
the instrument when power is below 13 V DC at the
transmitter terminals.
With the same connection it is also possible
to use the E+H interface Commubox FXA191
instead of the hand held module !
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4.2 Set up using a personal computer with Commuwin II
* The description of the wiring FXA191 is indicated
in chapter 4.3 Set up using hand held module.
The TMD833 set up is via a PC and the software Commuwin II (FXS113). Connection
to the PC is via the Commubox (FXA191). Parameter matrix menu in Commuwin II is
as follows:
4.3 Set up using the hand held module
Below are several examples to set up the smartgrad TMD833 field transmitter with
DXR275 according the most important parameters.
Description of configuration for the following parameters:
•Sensor Input
•RTD connection
•Measuring Unit
•Measurement Range
•Cold Junction
•Input Filter
•Offsets
•Default Values
Connection:
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CODE LAST DIAGNOSTIC SIMULATION SIM. VALUE DEFAULT VALUES
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NUMBER SOFTWARE VERSION MODIFICATION NO. SERIAL NUMBER
smartgrad TMD833
8Endress+Hauser

smartgrad TMD833
Endress+Hauser 9

Parameters DXR 275 / TMD833
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Measuring unit
Sensor input
Input filter
Temp. compensation
RJ mode
RJ external value
Calibration Chan. 1 Bias Input 1
R/RTD connection
R/RTD 2 - wire comp.
Output calibration Output value (mA)
Dir./rev. Action
Value for 4 mA
Value for 20 mA
Sensor Error
Service Error code
Last diagnostic
Simulation mode
Simulation value
Default values
Device information Descriptor
Message
Date
Serial number
Software version
Modification n.
Universal Rev.
Fld dev Rev.
Software Rev.
HART output Poll addr.
Num req preams
Burst mode
Burst option
PV (Measurement)
AO (mA)
smartgrad TMD833
10 Endress+Hauser