GASTRON GTD-2000Ex Manual de usuario

Headquarters / Engineering research laboratory :

23 Gunpo Advance d Industry 1-ro(Bugok-dong), Gunpo-si, Gyeonggi-do

Tel +82-31-490-0800 Fax +82-31-490-0801

Yeongnam business office / Plant :

55 Gonghangap-gil 85beon-gil, Gangseogu, Busan Metropolitan City

Tel +51-973-8518 Fax +51-973-8519

E-mail : [email protected]

www.gastron.com

GTD-2000Ex

Instruction Manual

Read in detail for correct use.

When abnormalities occur after purchasing the product,

please contact the following address.

·Address : 23 Gunpo Advanced Industry 1-ro, Gunpo-si, Gyeonggi-do

·Tel : 031-490-0800

·Fax : 031-490-0801

·URL : www.gastron.com

·e-mail : [email protected]

The present product and the product manual can be changed without advance notice for performance improvement and

use convenience of the product.

* KOSHA GUIDE : P-135/6-2018

Calibration should be executed periodically at periods required by the manufacturer

■ For accurate operation of Gas detector, check up and calibrate for more than once in every 6 months.

( * See No. 13 of KOSHA GUIDE : P-135-2013 / 8.3 paragraph on qualification and calibration)

■ For accurate operation of Gas detector, checkup and calibration with calibration gas before measurement

is recommended.

■

When not calibrated, it may cause malfunction of the equipment due to problems resulting from Sensor aging.

■ When the present instrument should be dismantled, those with professional skills for Gas detector should

conduct the operation.

■ For power supply cable, wire specifications should be determined by referring to the item of "Length of

installed cable".

■ For the contents on checkup and calibration of Gas detector, please use our company's engineering

department , e-mail, or web site.

Gas & Flame

Detection System

GTD-2000Ex

Instruction Manual

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02_03

We sincerely thank you for purchasing the product of Gastron Co. Ltd.

Our Gastron Co.Ltd. is a company specialized in Gas detector and Gas Monitoring System, being

recognized by many consumers due to the best quality and use convenience. We always enable you

consumers to find desired products nearby and are ceaselessly studying and striving for development

of Gas detectors satisfying customers. From now on, solve all anguishes concerning Gas detector with

the products of Gastron Co. Ltd, We Gastron Co. will take a responsibility and give you satisfaction.

In the present instruction manual, operation method for Gas detector as well as simple methods for

maintenance and repair, etc. are recorded If you read it in detail and keep it well, for reference when

you have questions, then it will give you much help.

Greetings

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04_05

ContentsContents

GTD-2000Ex

Instruction Manual

7.2.2. Span Calibration ······································································· 22

7.3. ALARM Mode ················································································ 23

8. Troubleshooting ··················································································· 25

8.1. Fault List ····················································································· 25

8.2. Recovery List ················································································ 25

9. Outline drawing and Dimensions ·································································· 26

9.1. Standard Type ··············································································· 26

9.2. Upon coupling of warning light ································································· 27

9.3. Upon coupling of Raincover ··································································· 28

10. Notes before installation ··········································································· 29

10.1. Selection of installation place(Data from occupational safety and health regulations) ················· 29

10.2. Selection of installation place(Data from safety management regulations for high-pressure gas) ····· 29

10.3. Notes upon installation ········································································ 29

11. Revision record ···················································································· 31

1. Overview ·························································································· 6

2. Structure ·························································································· 6

3. Specification ······················································································· 7

3.1. Basic Specifications ·········································································· 7

3.2. Mechanical Specifications ····································································· 7

3.3. Electrical Specifications (Standard Type) ························································ 8

3.4. Environmental Specifications ··································································· 8

4. Name and description of each part ································································ 9

4.1. Components ················································································· 9

5. Installation ························································································· 11

5.1. Separation of Housing Cover ·································································· 11

5.2. Configuration of Main PCB ····································································· 12

5.2.1. Wire connection method of driving method for 4~20mA Source ···························· 14

5.2.2. Wire connection method of driving method for 4~20mA Sink ······························ 14

5.2.3. Wire connection method of driving method for 4~20mA 3Wire Sink ························· 15

5.3. Length of installed cable ······································································· 15

6. Operation Flow for detector ······································································· 17

6.1. Initial operation state (Power On) ······························································· 17

6.2. Gas Measuring Mode ········································································· 17

6.3. Operation Flow ··············································································· 18

6.4. Menu Configuration Table ····································································· 19

7. System Mode ······················································································ 20

7.1. PROGRAM MODE ············································································· 20

7.2. CALIBRATION MODE ·········································································· 21

7.2.1. Zero Calibration ········································································ 21

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06_07

3. Specications

GTD-2000Ex flammable Gas detector has been developed to prevent accidents beforehand by detecting various

leaked gases generated in industry fields such as plants producing or using flammable gas, gas storage place,

manufacturing processes, etc.

GTD-2000Ex flammable Gas detector is installed in areas with a risk of gas leakage to display measured values with

LCD, OLED installed in the detector by continuous detection of gas leakage, providing DC 4~20mA standard output.

Also, DC 4~20mA standard output can connect up to the maximum of 2500m (upon using CVVS or CVVSB 1.5sq↑

Shield Cable) in transmission distance of output signals of detector and receiving unit.

The present GTD-2000Ex flammable Gas detector should be used at altitude of less than 1000M above sea level.

GTD-2000Ex body is made of aluminum alloy material in a structure of complete pressure-resistant explosion-proof

type(Ex d IIC T6),with the gas sensor module being composed of stainless steel material. It can be installed in the areas

with a risk of leakage and explosion of all flammable gases, displaying leakage situation of gas at the installed field by

embedding LCD, OLED in the detection unit. Inside structure is comprised of display unit displaying measured values,

terminal unit for outputting measured values (DC4- 20mA) to outside and one PCB. Outside structure is comprised of

detector unit for detection of gas leakage and Cable lead-in unit. Maintenance and repair operations are convenient

since calibration operation can be conducted outside of the Gas detector by using Magnet-bar outside of the detector

unit body.

3.1. Basic Specifications

3.2. Mechanical Specifications

[Figure 1. GTD-2000Ex Overview]

ITEMS SPECIFICATION

Measuring Type Diffusion type

Measuring Value Display Local Digital LCD or OLED Display

Measuring Method

- Contact combustion type (Catalytic Cell)

- Thermal conduction type (Thermal Conductivity Cell)

- Hot wire-type semiconductor (Heated-semiconductor Cell)

Detectible Gas Flammable gas

Measuring Range 0~100% LEL

Accuracy

≤ ±3% / Full Range

Zero Drift ≤ 2% / Full Range

Response Time 90% of full Scale in less than 15 sec

Certification (Approvals Classification)

KCs: Ex d llC T6,T5,T4, IP65

ATEX/IECEX: II 2 G Ex d IIC Gb T4~T6

SIL2, MED, ABS, DNV

Basic Interface Analog 4-20mA current interface

HART Interface HART REV7 (Option)

Option

HART Board

GTL-100 warning light

Rain Cover

Warranty Body (Transmitter) 2Year

Sensor 1Year

ITEMS SPECIFICATION

Explosion Proof type Pressure-resistant explosion-proof enclosure

Dimension 136(W) × 166(H) × 110 (D) mm

Weight including Sensor App. 1.5kg

Mounting type Wall mount

Mounting Holes Ø 7 ±0.1

Cable inlet 3/4" PF ( 1/2" or 3/4" NPT )

Body material Body (Transmitter)

aluminum alloy

Sensor

Stainless Steel (STS316)

Infrared Gas

Sensor Module

(GSA860EX)

Main Board

(Transmitter)

+24V DC

4-20mA Analog

Signal Output

Display Board

(User Interface)

Transmitter enclosure

(GDH-1000)

Safety Power Supply Unit

(24VDC)

Safety Controller

(PLC or DCS)

GTD-2000Ex Gas Detector

Hazardous Area (Filed) Safe Area

2. Structure

1. Overview

GTD-2000Ex

Instruction Manual

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08_09

4. Name and description of each part

4.1. Components3.3. Electrical Specifications (Standard Type)

ITEMS SPECIFICATION

Input Voltage(Standard)

※ Customer supplied PSU must meet

requirements IEC1010-1 and CE

Marking requirements.

Absolute min:

Nominal:

Absolute max:

Ripple maximum allowed:

18V

24V

31V

1V pk-pk

Wattage Max. wattage:

Max. current:

4.8W @+24 VDC

200mA @+24 VDC

Analog output Current

0-20mA(500 ohms max load)

All readings ± 0.2mA

Measured-value signal:

4mA(Zero) to 20mA(Full Scale)

Fault:

0-100% LEL:

100-109%LEL:

Over 110% LEL:

Maintenance:

0mA

4mA - 20mA

20mA - 21.4 mA

22mA

3mA

Analog output current ripple & noise max ±20uA

Wiring requirement Power CVVS or CVVSB with shield

Analog CVVS or CVVSB with shield

Signal transmission distance

(Cable Connection Length) Analog 2500m

EMC Protection: Complies with EN50270

NO NAME DESCRIPTIONS

1Housing Body

Protect PCB Board embedded inside sensor and housing from environment change and impact of outside.

2Housing Cover Assembled to Detector Housing Body, with Top face made of circular glass, allowing the values

displayed in LCD to be viewed.

3Main PCB Amplify minute outputs produced from Sensor Element and convert the as standard output of

4-20mA.DC, and transmit Data to Display unit.

4Display PCB Display Data(measured values) sent from Main /Terminal(Transmitter) PCB in LCD, and display

power supply state by Power Lamp

5Power/Signal Terminal CN8 is configured with power supply of DC 24V and Connection terminal for standard output of

DC 4~20mA (VISO, +24V, mA, GND, ETH)

6Sensor Terminal CN4 is the Sensor Connection Terminal.

7Power LED Lamp always turned ON when power is supplied

8Function Key

Used when having the function setting mode entered into by using Magnet-Bar for contact of more

than 2sec in gas measuring mode, or when the data changed in function setting mode is saved.

3.4. Environmental Specifications

ITEMS SPECIFICATION

Operation Temperature Body -40 to 80 ℃

Sensor See sensor specifications

Storage Temperature Body -40 to 80 ℃

Sensor See sensor specifications

Operation Humidity Body 5 to 99% RH (Non-condensing)

Sensor See sensor specifications

Pressure Range 90 to 110KPa

Max. air velocity 6m/s

[Figure 2. Components of GTD-2000Ex]

3. Specications

GTD-2000Ex

Instruction Manual

www.gastron.com

10_11

[Table 1. Description on components of GTD-2000Ex]

4. Name and description of each part

GTD-2000Ex

Instruction Manual

NO NAME DESCRIPTIONS

9Reset Key

Converted when cancelled during parameter setting or touched for more than once by using

Magnet bar to return to the previous state. (Converted to the previous mode by one stage at a

time upon every touch.

10 ↑(UP) Key Converted or transformed by one stage at a time when touched once by using Magnet-bar upon

mode conversion or figure transformation (transformed to the higher stage)

11 ↓(DOWN) Key Converted or transformed by one stage at a time when touched once by using Magnet-bar upon

mode conversion or figure transformation(transformed to the lower stage)

12 External Earth Ground

Outside grounding for protection from outside noise or strong electric field

For grounding cable, use conductor larger than 4mm upon coupling connection

13 Mount Hole Hole to mount Gas Detector onto outer wall and other installation place.

14 Sensor Place for detection of actual gas leakage where the amounts of leaked gas are converted to

electric signals for transmission to Main PCB

15 Conduit Connection

Provided for supply of power to detection unit and lead-in of the cable for measured output

signals upon installation operation, with 3/4", 1/2" PF or NPT being prepared for Cable lead-in unit

16 Internal Ground

- Inside of Detector should be grounded for protection from noise or strong electric field of outside

- Use a conductor of larger than upon coupling and connection of grounding wire.

5. Installation

5.1. Separation of Housing Cover

■ When Cover is separated, separate Display Parts in

the following order.

① Simultaneously push inward the fixing chains on

left side and right side on the front face of LCD unit.

② Separate from Gas detector body by pulling

Display Parts forward in the pushed state.

③ Main PCB is installed below Detector Body after

separation of Display Parts.

Absolutely no one other the approved users or those of the headquarters in charge of installation and repair should

be allowed to install in the field, open or operate Cover of the installed gas leakage detector. Otherwise serious

damages to life and property may be inflicted. Also, make sure to shut off the power supply and conduct operation

after checking whether explosive GAS remains or flammable substances are present in the surroundings

■ <Warning - Do not open during current application.>

■ Cover can be separated when the cover for gas leakage

detector is turned counterclockwise after slotted set

screw for fixing of body's cover (M4 x 1ea) is turned

3~4 turns clockwise by using a hexagonal wrench (M2).

When Cover is separated, LCD unit is displayed.

[Figure 4. Separation method for Display Part]

[Figure 3. Slotted set screw]

[Table 2. Description on main parts of Main PCB]

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12_13

5. Installation5. Installation

GTD-2000Ex

Instruction Manual

5.2. Configuration of Main PCB

■ When Display Parts are separated, the layout diagram for Main PCB terminals as follows can be seen

■ HART Option board can be mounted by using OC1, OC2, OC3 of the above layout diagram, and is mounted by

using 3Ø Screw hole on the top left side of HART Option board.

■ Configuration of terminal

■ When Display Parts are separated, Terminal Block in Main PCB can be seen as shown in the following figure,

which is separated from Main PCB when held by hand and pulled up.

■ <Warning - Conduct operation after shutting off the power supply upon connection of power supply terminal.>

■

Loosen by turning counterclockwise the terminal-fixing screws at 5 places in the upper part of the separated

Terminal Block CN12 (VISO, +V, mA, -V, ETH) Connector by using Θ driver, connect DC18-31V power supply

to +, - , andSignal Cable to mA , followed by locking terminal-fixing screws at 5 places clockwise to prevent

terminal from breaking away, and fit it in Main PCB as before separation

No NAME DESCRIPTION

1CN8 Power & Output Signal Terminal

2J1 4~20mA Source / Sink selection jumper ( ON: Source Type, OFF: Sink Type )

3CN1 Display LCD Connector

4CN4 Sensor Connector

5CN2 Program download Connector

6D1 Status LED (Blinks by the unit of 1 sec in the case of normal operation )

7OC1, OC2, OC3 HART Option Board Connector

8CN9 Warning light (GTL-100) Interface Connector

[Figure 5.Layout diagram for Main PCB terminals]

[Figure 6. Configuration of CN8 terminal]

[Table 3. Detailed description on CN8 terminal]

NO PCB SILK PIN NAME DESCRIPTION

4~20mA Source Drive (J1 Jumper ON) 4~20mA Sink Drive (J1 Jumper OFF)

1VISO VIS N.C 4~20mA Sink In(+)

2+24V ++24V / POWER (+)

3mA mA 4~20mA Source Out 4~20mA Sink Out(-)

4GND -GND / POWER (-)

5ETH ET EARTH

■ Upon configuring the Terminal , use CVVS or CVVSB 2.0sq↑ Shield Cable.

■

To connect 4Pin Terminal of the existing old-style GTD2000Ex, fasten the terminal based on +24V as No.2

plate.

Terminal mounting screw

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14_15

5. Installation5. Installation

GTD-2000Ex

Instruction Manual

5.2.1. Wire connection diagram of driving method for

4~20mA Source

5.2.3. Wire configuration diagram of driving method for

4~20mA 3Wire Sink

5.2.2. Wire connection diagram of driving method for

4~20mA Sink

[Figure 7.Configuration of 4-20mA Source]

[Figure 8. Configuration of 4-20mA Sink]

■

Connect 4-20mA Signal terminal on PLC side to 'mA' of

GTD-2000Ex, while GND terminal is used in common

with the power supply. And then turn the J1 Jumper ON.

■ HART Communicator can be used only in the model

using HART Option board

■ Connect 4-20mA Sink output (+) terminal on PLC

side to VISO terminal, and (-) terminal to (24V DC)

(-) terminal. Connect 'mA' terminal of GTD-2000Ex

to 'GND' terminal. Then connect turn the J1 Jumper OFF.

■

Connect 4-20mA Sink output (+) terminal on PLC side

to VISO terminal, and (-) terminal to 'mA' terminal.

And then turn the J1 Jumper OFF.

■ HART Communicator can be used only in the model

using HART Option board.

[Figure 9. Configuration of 4-20mA 3Wire Sink]

5.3. Length of installed cable

■ The maximum length between GTD-200Ex and power supply is determined by the wire specifications.

■ Maximum installation length= VMAXDROP ÷ IMAX ÷ WIRER/m ÷ 2

·VMAXDROP: Maximum Power Loop Voltage Drop (=Power Supply voltage - min operating voltage)

·IMAX: Maximum current value of GTD-2000Ex

·

WIRER/m: The resistance of the wire (ohms/meter value available in wire manufacturer's specification data sheet)

■ An example for installation length using 24V power supply and 16AWG is as follows.

·GTD-2000Ex minimum operating voltage = 18 Vdc

·VMAXDROP = 24 - 18 = 6V

·IMAX = 0.2A( 200mA )

·6 ÷ 0.2 ÷ 0.01318 ÷ 2 = 2276m ≒ 2.000m

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5. Installation

GTD-2000Ex

Instruction Manual

■ Installation length of power supply cable according to cable classification is as shown in the following table.

AWG mm2 COPPER RESISTANCE(ohms/m) METERS

12 3.31 0.00521 2879

14 2.08 0.00828 1811

16 1.31 0.01318 1138

18 0.82 0.02095 715

20 0.518 0.0333 450

[Figure 10. Length calculation of installed cable for GTD-2000Ex]

[Table 4. Installation length of power supply cable for GTD-2000Ex]

6. Operation Flow of detector

6.1. Initial operation state (Power On)

■ When power is supplied to the power supply terminal on MAIN PCB board after wiring, the following contents can

be confirmed in the LCD unit, a stabilization time of about 30 minutes is required after initial supply of operation

power, and normal operation occurs from the time of sufficient stabilization.

GTD-2000

[V X.XX]

- When power supply is turned ON, model name and product firmware version are displayed in

LCD(OLED).

SELF TEST

[ >>>0179] - SELF TEST is executed for 3min, and '>' character in the 2nd row informs progress state

[ %LEL]

[ 0.0]

- Operated as follows when it is in Normal state.

- In the 1st row, measured GAS NAME and measuring GAS unit are alternatingly displayed by the unit of

1sec, while the current measured value is displayed in the 2nd row.

- When Magnet-bar is in contact with 'Func' key for more than 2 sec in the current screen, it is changed

to the setting Mode.

※ '*' character is displayed in the left part of the 1st row during HART communication

※ When ENG. Mode is turned ON, '<' character is displayed in the left part of the 2nd row

[ COMB.]

[ 0.0]

[ %LEL]

[ 30]

When the 1st or the 2nd Alarm occurs, it is operated as follows..(It is operated when ALARM USED item

of ALARM Mode is turned ON)

- In the 1st row, it is operated in the same way as in Normal state, while ALARM message and gas

measured value are alternatingly displayed in the 2nd row by the unit of 1 sec.

- When explosion-proof warning light of GTL100 is installed, red LED and Buzzer are operated by

blinking by the unit of 1 sec upon occurrence of the 1st Alarm, while they continue to be operated

without blinking upon occurrence of the 2nd Alarm.

- If Latch is turned on during Alarm function, Alarm continues to be operated when not cleared by

using Reset.

[ %LEL]

[ ALARM1 ]

[ %LEL]

[ OVER ]

- When the gas measurement value is inputted as larger than 10%. The text of "OVER" is displayed by

the unit of 1 second, and 4~20mA is operated as 22mA.

[ %LEL]

[ UNDER ]

- When the gas measurement value is inputted as less than-10%. The text of "UNDER" is displayed by

the unit of 1 second, and 4~20mA is operated as 2mA.

※ The relevant function operates when UNDER function is turned ON.

[FAULT1]

SEN EMPT

- When there is abnormality in the device, Fault No. and message are outputted.

- At this time, 4~20mA is operated as less than 2mA.

- Mode displayed when Fault No.1 sensor on left side is not mounted.

6.2. Gas Measuring Mode

■ When there is no abnormality in SELF TEST after power is turned ON, the following state of gas measurement is

automatically entered into.

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18_19

GTD-2000Ex

Instruction Manual 6. Operation Flow of detector6. Operation Flow of detector

6.3. Operation Flow 6.4. Menu Configuration Table

■

After Power is turned On, undergo the self diagnosis process and enter in the measuring mode. At this time entering

inside system mode is possible through the front face key operation.

■ Timeout between Level1 and Level2의 Timeout is 10 seconds, while it is configured as 1 hour in calibration of and

Test Mode.

■ When "RESET" key is touched in program Mode screen, it is returned to measuring state, while it is returned to the

upper stage when "RESET" key is touched in each program setting screen.

■ Operation key for control of sensor system mode is defined as follows.

[Figure 11. Mode configuration of GTD-2000Ex]

ITEM NAME DESCRIPTION

FUNC Function key

Entry function for sensor Mode setting (Input with Magnet-bar for more than 2 seconds in the

measuring mode) . Entry function for the next stage ofLevel2 and saving function for setting values

RESET Reset key Move to the stage before the entered LEVEL

↑Up key Change the setting value Plus for the next stage mode configured in LEVEL1 and Level2

↓Down key

Entry function for sensor Mode setting (Input with Magnet-bar for more than 2 seconds in the

measuring mode) . Entry function for the next stage ofLevel2 and saving function for setting value

LEVEL1 LEVEL2 DEFAULT

NAME PARAMETER

PROGRAM

MODE

GAS TYPE (Gas Type) [DEFIN./USER] DEFIN.

GAS SEL(Gas Select) Select embedded gas name COMB.

UNIT SEL (Unit Select) %/%LEL/PPM/PPB %LEL

D-POINT(Decimal Point) 0.100/1.00/10.0/100 100

HIGH SCL (High Scale) 1~10000 100

PASSWORD 00~99 00

CALIBRA.

MODE

(Calibration Mode)

CALIBRA.

[ZERO]

(Calibration Zero)

ZERO CAL

[NO,YES] [NO]

ZERO GAS

[ 0]

ZERO >>>>

[SUCCESS / FAIL]

CAL. DATA

[ 0/ FAIL]

CALIBRA.

[SPAN]

(Calibration Span)

SPAN CAL

[NO , YES] [NO]

SPAN GAS

[ 0]

SPAN SET

[ 50/ FAIL] 50

SPAN >>>>

[SUCCESS / FAIL ]

CAL. DATA

[ 0]

ALARM

MODE

ALM USED (Alarm Used) [OFF / ON] OFF

AL LATCH (Alarm Latch) [OFF / ON] OFF

A1 LEVEL (Alarm-1 Level) [1 ~ 9999] 20

A1 TYPE (Alarm-1 Type) [INC / DEC] INC

A1 DBAND (Alarm-1 Dead Band) [0.0 ~ 10.0%F.S] 0

A1 TIME (Alarm-1 Time) [0~ 60]SEC 1

A2 LEVEL (Alarm-2 Level) [1 ~ 9999] 40

A2 TYPE (Alarm-2 Type) [INC / DEC] INC

A2 DBAND (Alarm-2 Dead Band) [0.0 ~ 10.0%F.S] 0

A2 TIME (Alarm-2 Time) [0~ 60]SEC 1

SENSOR MODE Factory Setting

MAINTEN.MODE Factory Setting

DEVICE MODE Factory Setting

VERSION MODE Factory Setting

TEST MODE Factory Setting

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