GASTRON GTC-520A User manual

GTC-520A

Instruction Manual

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

Read in detail for correct use.

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.

* KOSHA GUIDE : P-135-2013

Calibration should be executed at periods required by the manufacturer, and should be executed in every quarter

unless there are separate calibration periods.

Gas & Flame

Detection System

GTC-520A

Instruction Manual

www.gastron.com

02_03

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.

■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.

Greetings

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04_05

ContentsContents

GTC-520A

Instruction Manual

  6.5.8. Factoryinitializationfunction(FactoryInitial) ····················································································· 35

  6.5.9. Initializationfunctionforcalibrationdata(CalibrationInitial) ···························································· 36

7. Interface configuration·············································································································································· 37

7.1. MODBUS RS485····················································································································································· 37

7.1.1. Interface setting ······································································································································ 37

7.1.2. MODBUS RS485 Register map··············································································································· 37

8. Outline drawing and Dimensions···························································································································· 38

9. Revision record···························································································································································· 39

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

2. Features········································································································································································ 6

3. Specifications······························································································································································· 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

5. Installation···································································································································································· 12

5.1. Configuration of power supply ························································································································· 12

5.2. Configuration of signal terminal ······················································································································· 13

5.3. Configuration of Relay terminal ························································································································ 14

5.4. How to connect 3 wire type Gas detector········································································································ 15

5.5. How to connect 2 wire type Gas detector········································································································ 15

6. How to operate··························································································································································· 16

 6.1. PowerON··························································································································································· 16

 6.2. GasMeasuringMode········································································································································ 16

 6.3. TestMode ·························································································································································· 17

 6.4. Checkupmode(Stand-byMode)······················································································································ 17

 6.5. Operationsetting··············································································································································· 18

  6.5.1.SettingTable············································································································································ 18

  6.5.2.PROGRAMMODE ·································································································································· 20

  6.5.3.ALARMMode ········································································································································· 23

  6.5.4.Optionmode(Optionsetting)··············································································································· 27

  6.5.5.TestMode················································································································································ 30

  6.5.6.485settingmode··································································································································· 32

  6.5.7.Maintenancemode································································································································· 33

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06_07

3. Specications

GTC-520A receiver is a receiver unit having adopted high-performance A/D converter and Micro-process with diversified

functions embedded. GTC- 520A receiver unit is a stand-alone type receiver connected to one detection unit, protected

by the Case using ABS material and displays concentrations using FND digital display and 3 Color bar graphic LED.

It has alarm functions of 1st alarm, 2nd alarm, 3rd alarm as well as breakdown alarm function.

GTC-520A stand-alone type receiver unit displays with audio signal (Buzzer) and audio signal (Alarm LED) and

has functions of holding the maximum measured value upon occurrence of alarm. GTC-520A receiver unit allows

remote control for alarm clearing, and has output (SPDT contact) for the alarm so that it can perform the function of

interlocking control. GTC-520A receiver unit provides output of 4-20mA.DC for the measured values, and allows digital

communication by using RS-485 communication signals(Optional).

3.1. Basic Specifications

ITEMS SPECIFICATION

Measuring Value Display 4-Digit FND (32 segment)

Measuring Range 000.0 ~ 9999 display possible

Alarm Indicator Visual display: 3-Alarm, Trouble LED, warning light

Audio display: Buzzer signal (85dB)

Alarm output Signal 3-stage Alarm, Trouble Rleay

Reset signal RESET switch and remote Reset control

Input signal 4~20mA DC

Output signal Isolated RS-485 Modbus(Option)

Approvals Classification CE

Basic Interface Analog 4-20mA current interface

Option MODBUS RS485 Board

Warranty Body(Transmitter) 2Year

Sensor 1Year

ITEMS SPECIFICATION

Dimension 135(W)×180(H)×81(D) mm

Weight including Sensor App.0.6kg

Mounting type Wall mount

Body material ABS

3.2. Mechanical Specifications

2. Features

GTC-520A

Instruction Manual 1. Overview

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08_09

4. Name and description of each part

3.3. Electrical Specifications (Standard Type)

ITEMS SPECIFICATION

Input Voltage(AC Type/Standard)

Absolute min:

Nominal:

Absolute max:

AC 90V

AC 220V

AC 250V

Input Voltage(DC Type)

※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(DC Type) Max. wattage:

Max. current:

4.32W @+24 VDC

180mA @+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

21.6mA

20mA - 21.4mA

3mA

Analog output current ripple & noise max ±20uA

Relay contact Alarm1, Alarm2, Alarm3, Fault Relay

AC250V 5A Relay contact(SPDT)

Wiring requirement

Power CVVS or CVVSB with shield

Analog CVVS or CVVSB with shield

RS485 STP(Shielded Twisted Pair)

Cable Connection Length Analog 2500m

RS485 1000m

EMC Protection:

3.4. Environmental Specifications

ITEMS SPECIFICATION

Operation Temperature -20to60℃

Storage Temperature -20to60℃

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

Pressure Range 90 to 110KPa

[Figure 1. GTC-520 components]

GTC-520A

Instruction Manual 3. Specications

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10_11

No ITEMS SPECIFICATION

1Case body Made of ABS material to mount Display and protect the circuit from surrounding environment,

outside impacts.

2Case cover Made of ABS material to mount Main PCB and protect the circuit from surrounding environment,

outside impacts.

3Cover고정button Device to mount cover onto Case body. Cover is opened by pushing the button and pulling the

cover forward.

4Mount hole HoletomountControlunitontoouterwallorotherMountplate(2-Ø6)

5Conduit connection 2 EA of ø22 holes are configured on upper and lower sides, respectively. Connect power cable,

signal Cable, etc. by using cable lead-in port according to field conditions

6Concentration display

(FND Digital display)

Consecutively display measured values of the detector connected to each Channel.

Display user-designated value in blinking state upon performing Test function.

7Power supply LED Power LED is lighted when power is inputted.

8Checkup LED STD-BY LED blinks in the mode for detector checkup

9Breakdown LED Trouble LED is lighted upon occurrence of trouble in receiver unit and detection unit.

Ex) * Upon occurrence of defective wire connection to detector and of abnormality

10 Alarm3 LED Alarm 3 LED is lighted upon occurrence of 3rd alarm.

Alarm 3 LED is lighted when 3rd alarm is reached upon execution of test function.

11 Alarm2 LED Alarm 2 LED is lighted upon occurrence of 2nd alarm.

Alarm 2 LED is lighted when 2ndalarm is reached upon execution of test function.

12 Alarm1 LED Alarm 1 LED is lighted upon occurrence of 1st alarm.

Alarm 1LED is lighted when 1st alarm is reached upon execution of test function.

13 3-color bar graph LED

3 Color bar graphic LED consecutively displays measured values and alarm setting values together

with FND display.

Bar graphic LED is lighted in green when the measured value is less than 1st Alarm, in orange

when it is more than 1st Alarm but less than 2nd Alarm, and in red when it is more than 2nd

Alarm.

When the measured value is more than the alarm setting value, Bar graphic is held at the

maximum value, and Bar graphic is displayed in blinking state for the alarm.

14 Test S/W

When test Switch is pushed, the mode performing self diagnosis function is entered into.

It is a S/W where the measured value FND blinks and Alarm operation state can be checked by

adjusting the measured value using the test Switch.

Self diagnosis is cleared by pushing buzzer stop switch and return switch.

15 Return S/W It performs functions such as clearing of Alarm, clearing of Self test, clearing of Program setting,

etc.

16 Buzzer stop S/W Used for buzzer stop upon occurrence of Alarm.

17 Function S/W FUNC Switch is a key that converts and select functions such as setting of alarm value, alarm

method, Dead band of alarm, delay operation, etc. of alarm to input data values.

18 UP S/W

Used upon increasing the setting values or selecting the next setting values after selection of each

mode using the function switch.

If UP switch is pushed for a given time in the mode requiring frequent changes of setting values,

the setting values are changed fast.

No ITEMS SPECIFICATION

19 DOWN S/W

Used upon decreasing the setting values or selecting the next setting values after selection of

each mode using the function switch.

If DOWN switch is pushed for a given time in the mode requiring frequent changes of setting

values, the setting values are changed fast.

20 Buzzer Operates with continuous sound when test function is performed upon occurrence of alarm and

breakdown alarm.

21 SignalI/Oterminal(CN6) Used for supply of power to gas leakage detector, outputting of 4~20mA current, connection of

cables for S-485 MODUS communication, etc.

22 Signal output terminal (CN7) Used for outputting of Relay Dry Contact Signals such as alarm, breakdown, etc. outputting of

DC warning light Signal s, connection of cable, etc.

23 RS-485 module(Option)

RS-485 communication Module can transmit and receive current concentrations and setting

values, etc. by being connected to PC and other outside communication equipment as an

Isolation type.

24 Power supply input

Terminal (CN9) Terminal to connect power supply cable for operation of the present control unit.

25 Power supply ON/OFF

switch

Switch used for turning ON,OFF of power supply for Control unit . When wire connection

operation for cable, etc. is performed, make sure to operate after turning OFF the power supply.

Power supply Terminal for

outside warning light

(CN10)

Assistance power supply Terminal to install outside warning light when the present Control unit is

operating.

[Table 1. Description on configuration of GTC-520A]

GTC-520A

Instruction Manual 4. Name and description of each part4. Name and description of each part

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12_13

5. Installation5. Installation

GTC-520A

Instruction Manual

5.2. Configuration of signal terminal

■Installationinthefieldoropeningoroperationofthecoverfortheinstalledgasleakagedetectorandreceivingpanel

should never be allowed to be performed those other than approved users or the person of the headquarters

in charge of installation and repair. Otherwise, serious damages can be inflicted to life and property such as fire

or explosion accidents. Also make sure to shut off the power supply and conduct operation after checking whether

explosive gas remains or flammable substances exist in the surroundings.

■Connect4-20mAoutputandExternalReset,RS485,outsidegasdetectorbyusingCN6terminal.

Terminal configuration is as shown in the following table.

■UsetheRS-485dedicatedcableforRS-485Cable,anduseShieldcableofCVVSormorethanCVVSB0.75sq

for connecting cable between 4~20mA Output and Detector!

5.1. Configuration of power supply

■WhenDC24Vistobeused,aseparaterequestshouldbemadeuponproductordering.Whenreleasedas

DC24V Type per user request, connect (+) of DC24V (+) toL1 of CN9, and (-) to L2 for use.

■WhentheproductCoverisseparated,theterminalboxconnectingpowersupplywithinPCBandvarioussignals

appear.

■ConnectACpowersupply(85~260V50/60Hz)toCN9asshowninthefollowingfigure.

[Figure 2. Configuration of GTC-520A power supply]

[Table2.DescriptionofCN6terminal]

Note1) When RS485 Option is not available, RS485 function does not operate.

FUNCTION

OUTSIDE TERMINAL NAME DESCRIPTION

4-20mA

Output

VISO Outside power supply input terminal for 4-20mA Sink Driver

mA Output terminal for 4-20mA Source Driver

SENSOR

Flammability sensor Toxicity sensor O2 sensor (galvanic type)

1Red Cable Blue Cable N.C

2White Cable Red Cable Red Cable

RESET +arm reset function is performed when outside reset switch + terminal and + terminal

are short - circuited with - terminal.

-- terminal of outside reset switch

RS485 ARS485 A terminal ( TRXD + or P)

BRS485 B terminal ( TRXD + or N)

5.3. Configuration of Relay terminal

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5. Installation5. Installation

GTC-520A

Instruction Manual

FUNCTION PIN TERMINAL NAME DESCRIPTION

Alarm1

1NO Alarm1 Normal Open

2NC Alarm1 Normal Closed

3COM Alarm1 Common

Alarm2

4NO Alarm2 Normal Open

5NC Alarm2 Normal Closed

6COM Alarm2 Common

Alarm3

7NO Alarm3 Normal Open

8NC Alarm3 Normal Closed

9COM Alarm3 Common

Trouble

10 NO Trouble Normal Open

11 NC Trouble Normal Closed

12 COM Trouble Common

LP 13 +Outside power supply (DC24V) + output

14 -Outside power supply (DC24V) - output

[Table 3.Description of CN5 terminal]

[Figure 4. Configuration of CN5 terminal]

5.4. How to connect 3-wire type Gas detector

5.5. How to connect 2-wire type Gas detector

[Figure 5. 3-wire type gas detector]

[Figure6.2-wiretypegasdetector]

■Whenthegasdetectorisconfiguredwith4-20mAoutput,connect

with the Channel Unit by the method shown on the right side.

■Connectingcableshouldbeconfiguredwithshieldcableof

CVVS or more than CVVSB 0.7sq.

■Ourcompany'sdetectormodelsoftherelevantmethodinclude

TS-1100Ex, TS-2000Ex, TS-2100 Series, TS-4000 Series,

TS-4100P Series, TS-5100 Series, GTD-1000 Series, GTD-

2000 Series, GTD-3000 Series, and GIR-3000 Series.

■Whenoutputofgasdetectorisconfiguredwith2-wire(V+,V-),

connect with the Channel Unit by the following method.

■Connectingcableshouldbeconfiguredwithshieldcableof

CVVS or more than CVVSB 0.7sq.

■Ourcompany'sdetectormodelsoftherelevantmethodinclude

TS-1100Tx, TS-2000Tx, TS- 3000 Series, and TS-3100 Series.

■ByusingCN5terminal,itisconfiguredwith3eaofSPDT-typeAlarmrelay,and1eaofSPDT-typeTroublerelay.

■AlarmLamp(LP)canbeconnectedwithDCoutsidewarninglight.

■TouseoutsideDCwarninglightoroutsidedevice,LPterminaloutputsDC+24Vpowersupplyirrespectiveof

AC, DC power supply mode.

www.gastron.com

16_17

GTC-520A

Instruction Manual

■

Check wire connections for operation power supply, with detection unit, between alarm unit and concentration display unit, etc.

■TurnthepowersupplyswitchONaftercheckinginputpowersupply

■ChecklightingofPowerLEDforalarmunitandconcentrationdisplayunit.

■Checkdisplayof"SELF"inFNDofconcentrationdisplayunit.

■When"Test"S/Wispushedformorethan2secinthedisplaystateofgasconcentration,Testmodeisenteredinto.

■When30minpassesafterthelastS/WoperationinTestmode,thedisplaystateofgasconcentrationis

automatically returned to.

6.1. Power ON 6.3. Test Mode

- Upon entering in Test mode, the figure for gas concentration display is displayed by blinking.

- This function allows testing in Channel Unit without gas injection in the detector sensor.

- Whentheusercansetanarbitraryvalueforgasconcentrationbypushing"Test"S/W,while

- Alarm Function is normally operated with the concentration value designated by the user.

-When"FUNC"S/Wispushedformorethan2sec,FND/LED/BarLEDTestfunctionisenteredinto.

- 3 Color bar graph LED alternatingly displays green, orange and red at an interval of 0.5sec,

- each function LED blinks at an interval of 0.5 sec.

-When"RESET"S/Wispushed,thedisplaystateofgasconcentrationisreturnedto.

▼▲

Full Range

■When"DOWN(Stand-by)"S/Wispushedformorethan2secinthedisplaystateofgasconcentration,thecheckup

mode is entered into.

■WhenETO(EmergencyTimeOut)wassetforONinOptionSettingModeandsominpasses,thedisplaystateof

gas concentration is automatically returned to.

■UponETOOFF,thedisplaystateofgasconcentrationisreturnedtoonlywhen"DOWN(Stand-by)"S/Wispushed

for more than 2 sec.

6.4. Checkup mode (Stand-by Mode)

- Function where STD-BY LED blinks, contact output f Trouble/Alarm relay for GTC-520A does

- not operate with all other functions operating in the checkup mode.

-When"DOWN(Stand-by)"S/Wispushedformorethan2sec,thedisplaystateofgas

- concentration is returned to.

- When the power supply for GTC-520A is turned ON, the current Firm Ware Version is displayed.

- Figures are displayed after VER is displayed in FND for 0.5 sec.

- Current Version is 2.09.

-"SELF"blinksforabout30secinFNDofconcentrationdisplayunit,anditimmediatelybecomes

- measuring state when Warming-up is finished.

- If abnormality occurs in the equipment or the detection unit at this time, breakdown alarm occurs.

■ IfthereisnoabnormalityinSELFTESTafterPowerOn,thefollowingstateofgasmeasurementisautomaticallyenteredinto.

6.2. Measuring Mode

- Gas concentrations received from the detector are displayed in FND digital display as figures.

- Gas concentration is displayed by 3 Color bar graphic LED and FND, in green when the

- concentration is less than the 1st Alarm, in orange when it is more than the 1st Alarm but less

- than the 2nd Alarm, and in red when it is more than the 2nd Alarm.

- When the detector is not connected or the current value inputted from the detector is inputted

- asacurrentvaluebelowthesetHighscalevalueby10%,thetextof"Undr"isdisplayedby

- blinking at an interval of 1 sec.

- Trouble LED is lighted, warning light blinks, and Buzzer sounds.

-When"BZSTOP"S/Wispushed,warninglightisturnedonandBuzzerstops.

- When the current value inputted from the detector is inputted as a current value more than the

- setHighscalevalueby10%,thetextof"oUEr"isdisplayedbyblinkingatanintervalof1sec.

-Alarm1,2,3LED'sarelighted,warninglightblinks,andBuzzersounds.

- Circular LED on the topmost among 3 Color bar graphic LED is lighted in red.

- When the gas concentration value is recognized as being higher than the Alarm setting value,

- the relevant Alarm function counts Alarm maintenance time and the Alarm function is operated

- if it is more than the Alarm maintenance time.

- Alarm relay is turned ON when it becomes more than the Alarm maintenance time.

-WhenAlarmLatchTypeisin"ON"modeandAlarmfunctionisoperated,Alarmstateandgas

- concentration value are maintained at the maximum value, Even when the gas concentration

- isloweredbelowtheAlarmvalue,itisnotclearedandmustbeclearedby"RESET"S/W.

-WhenAlarmLatchTypeisin"OFF"mode,Alarmfunctionisautomaticallycleareddepending

- on the gas concentrations.

6. How to operate6. How to operate

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18_19

GTC-520A

Instruction Manual

6.5. Setting for operation

6.5.1. Setting Table

LEVEL1 LEVEL2 PARAMETER DEFAULT

(Gas Funtion) TY1, Ty2, TY3, TY4 TY1

(Decimal-Point) 100, 1.00, 10.0, 0.100 100

(High-Scale) 10~9999 100

-99 ~ 99 0

(Pass Word) 0~99 00

(Out-Set) ON, OFF OFF

(End) - -

(LACH) ON, OFF ON

(Energizer) ON, OFF OFF

(Alarm Lamp) ON, OFF ON

(Alarm-1) 1~Full range 20%/F.R.

(1H) H, L H

(1H 00) 0~99 00

(Alarm 1 Time Delay) 0~60 1

(Alarm 1 Relay) ON, OFF ON

(Alarm 1 Blink) ON, OFF OFF

(Alarm-2) 1~Full range 40%/F.R.

(2H) H, L H

(2H 00) 0~99 00

(Alarm 2 Time Delay) 0~60 1

(Alarm 2 Relay) ON, OFF ON

(Alarm 2 Blink) ON, OFF OFF

(Alarm-3) 1~Full range 50%/F.R.

(3H) H, L H

(3H 00) 0~99 00

(Alarm 3 Time Delay) 0~60 1

(Alarm 3 Relay) ON, OFF ON

(Alarm 3 Blink) ON, OFF OFF

(End) - -

LEVEL1 LEVEL2 PARAMETER DEFAULT

(Maintenance-Level) 0 ~ Full range 0

(Under) ON / OFF OFF

(Engineering) ON / OFF OFF

(Zero-Skip) 0 ~ 20.0% 0

(Span-Skip) 0 ~ 20.0% 0

(Emergency-Timeout) ON / OFF OFF

(Outout Delay Time) 0~60 0

(Outout Delay Value) 0 ~ 20 0

(End) - -

(Trouble Relay) ON / OFF OFF

(Alarm Relay) ON / OFF OFF

(mA out) ON / OFF OFF

or (0 or 100) 0 or 100 (Blinking) When ON, starts from 100

When OFF, starts from 0

(Channel number) 0~128 1

(Parity Bit) 0~2 1

[Table 4. Setting Table]

485 MODE

Test MODE

Option MODE

PROGRAM MODE

ALARM MODE

6. How to operate6. How to operate

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