Datcon DT4200 User manual
DT4200
Process Indicator
Operating Instructions
DT4200
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Contents
1. About this document .....................................................4
1.1. Function ................................................................................... 4
1.2. Target group............................................................................. 4
1.3. Symbolism used....................................................................... 4
2. For your safety ...............................................................5
2.1. Authorised personnel ............................................................... 5
2.2. Appropriate use........................................................................ 5
2.3. Warning about misuse ............................................................. 5
2.4. General safety instructions....................................................... 5
2.5. CE conformity........................................................................... 5
2.6. Environmental instructions ....................................................... 5
3. Product description .......................................................6
3.1. Delivery configuration............................................................... 6
3.2. Principle of operation ............................................................... 7
3.3. Adjustment ............................................................................... 8
3.4. Storage and transport .............................................................. 8
4. Mounting.........................................................................9
4.1. General instructions ................................................................. 9
4.2. Main dimensions of the instrument .......................................... 9
4.3. Mounting ................................................................................ 10
5. Connecting ...................................................................12
5.1. Preparing the connection ....................................................... 12
6. Display and manual controls ......................................16
6.1. The first start-up ..................................................................... 16
6.2. Characters and mnemonics appearing on the display ........... 17
6.3. Manual controls...................................................................... 20
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7. Setting-up .....................................................................23
7.1. Typing the code (password) in ............................................... 23
7.2. The menu ............................................................................... 25
7.3. Display modes of limit output status (01. menu item) ............ 26
7.4. Setting up the limit outputs (02. and 03. menu items)............ 28
7.5. Limit output alarm mode......................................................... 34
7.6. Decimal point position (04. menu item).................................. 36
7.7. The physical value assigned to 4 mA (05. menu item) .......... 37
7.8. The physical value assigned to 20 mA (06. menu item) ........ 39
7.9. The number of averaged measurements (07. menu item)..... 41
7.10. Display refresh time (08. menu item) ................................... 43
7.11. Tests (09. menu item) .......................................................... 45
7.12. Changing the user code (10. menu item)............................. 47
7.13. Changing the supervisor code (11. menu item) ................... 49
7.14. Display operating modes (12. menu item) ........................... 51
7.15. Disable displaying the leader zeros (13. menu item) ........... 53
7.16. Clear minimum and maximum values (14. menu item)........ 55
7.17. Resetting the default settings (15. menu item)..................... 56
8. Fault rectification .........................................................57
8.1. Fault finding............................................................................ 57
8.2. Repairing................................................................................ 57
9. Dismounting .................................................................57
9.1. Dismounting procedure .......................................................... 57
9.2. Disposal ................................................................................. 57
10. Appendix.....................................................................58
10.1. Technical specifications ....................................................... 58
10.2. Application example ............................................................. 60
10.3. Error messages.................................................................... 61
10.4. Messages of critical errors ................................................... 62
10.5. Description of the menu items.............................................. 63
10.6. Messages and error messages during setting up ................ 67
10.7. Setting up the instrument (Example).................................... 68
10.8. The limit outputs (training material)...................................... 70
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1. About this document
1.1. Function
This operating instructions manual has all the information
you need for quick set-up and safe operation of DT4200.
Please read this manual before you start setup.
1.2. Target group
This operating instructions manual is directed to trained
personnel. The contents of this manual should be made
available to these personnel and put into practice by them.
1.3. Symbolism used
Information, tip, note
This symbol indicates helpful additional information.
Caution, warning, danger
This symbol informs you of a dangerous situation that could
occur. Ignoring this cautionary note can impair the person
and/or the instrument.
•
List
The dot set in front indicates a list with no implied sequence.
→
Action
This arrow indicates a single action.
1
Sequence
Numbers set in front indicate successive steps in a
procedure.
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2. For your safety
2.1. Authorised personnel
All operations described in this operating instructions
manual must be carried out only by trained and authorised
specialist personnel. For safety and warranty reasons, any
internal work on the instruments must be carried out only by
DATCON personnel.
2.2. Appropriate use
The DT4200 is a 4-20 mA loop-powered process indicator.
Detailed information on the application range of the DT4200
is available in chapter „Product description”.
2.3. Warning about misuse
Inappropriate or incorrect use of the instrument can give rise
to application-specific hazards, or demage to system
components through incorrect mounting or adjustment.
2.4. General safety instructions
The DT4200 is a high-tech instrument requiring the strict
observance of standard regulations and guidelines. The
user must take note of the safety instructions in this
operating instructions manual, the country-specific
installation standard as well as all prevailing safety
regulations and accident prevention rules.
2.5. CE conformity
A DT4200 is in conformity with the provisions of the
following standards:
EN 61326:2000 (EMC)
2.6. Environmental instructions
Protection of the environment is one of our most important
duties.
Please take note of the instructions written in the following
chapters:
•Chapter 3.4. Storage and transport
•Chapter 9.2. Disposal
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3. Product description
3.1. Delivery configuration
Delivered items The scope of delivery encompasses:
•DT4200
•1 pc. panel sealing (1)
•2 pc. mounting clamps (enclosed in a nylon bag)
•documentation:
this oparating instructions manual
certification
warranty
The instrument is built from the following main parts:
Main parts
1. instrument case
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3.2. Principle of operation
Area of application DT4200 is an process indicator enable linear process
variables to be displayed.Two isolated outputs are available
with different operating modes for limit signaling or for
simple control purposes.
Use the enclosed seal between the instrument and the
panel when mounting the instrument to assure IP 65 from
the front.
Operating principle
The 4-20 mA current flows through a measuring resistor
and is converted by a 16 bit A/D converter into digital value.
The digital value is processed by a microcontroller. The use
r
may set up the the configuration parameters: scaling,
decimal point position, display refresh rate, signal filtering,
limit modes, limit values, etc. through the front panel
membrane keypad and the parameters stored in EEPROM.
A two level password protects the settings from
unauthorised changes.
The 4 ½-digit liquid crystal display make process variables
easily visible at a distance. A label defining the appropriate
engineering unit may be attached to the right of the display.
DT4200 has two optically isolated transistor outputs for limit
signaling or for simple control purposes.
Power supply DT4200 is loop-powered from 4-20 mA signal, dropping less
than 2 V at 20 mA.
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3.3. Adjustment
DT4200 can be adjusted through the 3 button front panel
keypad. All configuration parameters are stored in the
instrument EEPROM for unlimited period of time, even
when the loop current beeng switched off.
In factory setting the DT4200 displays the 4-20 mA loop
current with a resolution of three decimals.
The instrument doesn’t need any internal adjustment.
3.4. Storage and transport
This instrument should be stored and transport in places
whose climatic conditions are in accordance with Chapter
10.1. Technical specifications, as described under the
title: Environmental conditions.
The packaging of DT4200 consist of enviroment-friendly,
recyclable cardboard is used to protect the instrument
against the impacts of normal stresses occurring during
transportation. The corrugated cardboard box is made from
environment-friendly, recyclable paper. The inner protective
material is polyfoam and nylon, which should be disposed of
via specialised recycling companies.
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4. Mounting
4.1. General instructions
Use the enclosed seal between the instrument and the
panel when mounting the instrument to assure IP 65 from
the front.
Mounting positions
Select a mounting position you can easily read the display
reach for mounting and connecting the instrument and that
minimises the hazard of water, dust or dump getting into the
instrument.
4.2. Main dimensions of the instrument
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4.3. Mounting
The instrument is housed in a DIN standard 96 x 48 x 50
mm ABS case. It can be fix in the panel with the two
enclosed mounting clamps.
Preparatory steps
Dimensions of panel
cutout
1. Cut-out the panel according to the figure shows above.
The cut-out needs special tools, it must be carried out by
trained specialist personnel.
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