Datcon DT4200 Manuel utilisateur

DT4200

Process Indicator

Operating Instructions

DT4200

2 20181113-V0

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

DT4200

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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.

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

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.

DT4200

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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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