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GTC-542

Instruction Manual

[Figure 7. GTC-542 Drawing 1]

8.1. Drawing 1

7.1. MODBUS RS485

7.1.1. Interface setting

7.1.2. MODBUS RS485 Register map

■ Data Format: RTU

■ Baud rate: 9600 bps

■ Data bits: 8bits

■ Stop bit: 1bits

■ Parity: Even

■ For details, please go to www. modbus.org

[Table 5. RS485 MODBUS Address Configuration]

TYPE

ADDRESS

BITS

DESCRIPTION

Measured Gas
Concentration

30001

BIT15~0

Gas Measurement (Integer/Decimal point is not considered)

High Scale Setting

30002

BIT15~0

High Scale Setting (Integer/Decimal point is not considered)

Alarm 1 Setting

30003

BIT15~0

Alarm 1 Setting (Integer/Decimal point is not considered)

Alarm 2 Setting

30004

BIT15~0

Alarm 2 Setting (Integer/Decimal point is not considered)

Gas detector

status value

10000

BIT0

Alarm 1 Active Status

BIT1

Alarm 2 Active Status

BIT2

Fault Active Status

BIT3

Maintenance Mode Status

BIT4

Test Mode Status

BIT5

Calibration Mode Status

BIT6

Reserved

BIT7

Toggle Bit (Bit reversal in 2 sec interval)

External Test

BIT0~7

Gas Detector Test Mode Setting

External Reset

BIT0~7

Exit Gas Detector Test Mode

8. Drawings and Dimensions

7. Interface Configuration

Содержание GTC-542

Страница 1: ...nce 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 info gastron com www gastron com Read in detail for correct use ...

Страница 2: ...med quarterly when the calibration period is not specified In case of a problem after purchasing the product please contact the address below 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 info gastron com The product and manual are subject to change without a notice for the product s functional improvement and ease of use ...

Страница 3: ...chanical 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 Power Configuration 12 5 2 Signal Terminal Configuration 13 5 3 Relay Terminal Configuration 14 5 4 3 wire Type Gas detector Connection Method 15 5 5 2 wire Type Gas detector Connection Method 15 6 Operation Method 16 6 1 Power ON 16...

Страница 4: ... since it has an output for an error SPDT contact GTC 542 receiver provides 4 20mA DC output for the measured value and is able to communicate digitally using RS 485 network signal Option ITEMS SPECIFICATION Measuring Value Display 1 8 3 Digit FND 2Color Bar graph 32 segment 3Color Measuring Range Capable to display 00 0 999 Alarm Indicator Visible Indicator 3 Alarm Stand by LED Warning Light Audi...

Страница 5: ...0 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 Twi...

Страница 6: ...etting etc 17 Buzzer Stop Key Used to stop the buzzer upon an event of an alarm 18 Test Key Pressing TEST key enters a mode that performs self test Measurement FND flickers and the value can be adjusted using TEST key to check the alarm operation status To release self test press RESET KEY No ITEMS SPECIFICATION 19 Spare Power Test Key Used for checking battery Upon input spare power voltage is di...

Страница 7: ...over terminal block that connects power and various signals within PCB appears Connect AC Power 85 260 V 50 60 Hz to CN9 as shown in the figure below Figure 3 CN6 Terminal Configuration 5 2 Signal Terminal Configuration Using CN6 terminal connect 4 20 mA output External Reset RS485 and external gas detector Terminal configuration is as shown in the table below RS 485 cable uses a cable designated ...

Страница 8: ... 5 Connecting cable must comprise of CVVS or shield cable with CVVSB 0 7 sq or higher Our gas detector models in this type are 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 GIR 3000 Series When the gas detector output has 2 wire V V connect to the Channel Unit as shown in Figure 6 Connecting cable must comprise of C...

Страница 9: ...ars X XX Displays gas concentration received by the detector on FND digital display in numbers Gas concentration is also displayed by 3 color bar graphic LED Concentrations below the primary alarm concentration in green below the secondary alarm concentration in orange and above the secondary alarm concentration in red 3 level alarm thresholds are always displayed by 3 color bar graphic LED Alarm1...

Страница 10: ...lay mode enters Stand by mode When ETO Emergency Time Out is set to ON in Option Setting Mode it automatically returns to gas concentration display mode after 30 min When ETO is OFF DOWN Stand by S W must be pressed 2 sec or longer to return to gas concentration display mode 6 5 Stand by Mode 6 6 Operation Setting 6 6 1 Setting Table LEVEL1 LEVEL2 PARAMETER DEFAULT Gas Funtion TY1 Ty2 TY3 TY4 TY1 ...

Страница 11: ... position setting mode which is the first function in program data setting mode When FUNC S W is pressed it enters decimal setting mode When RESET S W is pressed it returns to Program Mode For each TY selection High Scale d PS Alarm 1 2 3 Alarm direction Stand by mode output Sensor output characteristic direction Temperature compensation functions change accordingly Decimal point position is set b...

Страница 12: ...en OFF as the same as the existing setting it displays the current gas value in gas concentration display mode and defined mA when entering each mode When a desired o s function is displayed press FUNC KEY to set password no and enter the next item When RESET KEY is pressed it returns Program Mode A message indicating completion of setting is displayed as End for 2 sec then it returns to gas conce...

Страница 13: ...ESET KEY is pressed it returns Setting Mode Default Alarm1 20 F S 20 Alarm2 40 F S 40 Alarm3 50 F S 50 Full Range Alarm level is set to the concentration outlined in domestic regulations as factory setting It is a mode to set a direction of Alarm 1 operation Pressing UP S W or DOWN S W displays H or L respectively H mode operates when gas value is equal or greater than Alarm1 setting value L mode ...

Страница 14: ...arm 1 blink output does not run In ON mode it runs However it runs when Alarm1 contact output mode is ON When a desired Alarm 1 blink output mode is displayed press FUNC S W to set it and enter the next item When RESET S W is pressed it returns to Alarm Setting Mode A message indicating completion of setting is displayed as End for 2 sec then it returns to gas concentration display status Alarm 2 ...

Страница 15: ...the value designated for high scale setting range When FUNC KEY is pressed it enters S S setting mode When FUNC KEY is pressed it enters Option Setting Mode It can set in 0 20 range using KEY or Test KEY When a desired value is displayed press FUNC KEY to set and enter the next item When FUNC KEY is pressed it enters Option Setting Mode It sets Emergency Time Out In stand by mode the user can deci...

Страница 16: ...jecting gas to the detector sensor The user can set an arbitrary concentration by pressing KEY or Test KEY and the alarm function operates normally with a user defined concentration Pressing FUNC KEY enters Test setting function When RESET KEY is pressed it returns to gas concentration display mode It is a mode that sets ON OFF status for Test Relay Test Operation When FUNC KEY is pressed it enter...

Страница 17: ...ration display mode Mode that selects function to set current input and output values that are reference of Channel unit Pressing UP S W or DOWN S W displays In or oUt respectively When a desired mode is displayed press FUNC S W to set it and enter the mode When In is selected mode sets current input When oUt is selected mode sets current output When RESET S W is pressed it returns to gas concentr...

Страница 18: ...centration display mode It is a mode that displays value converted from processor after inputting 4mA current to mA terminal Press FUNC S W when the displayed number is stable to display SUC Success for a current input within normal range and move to the next item C F Calibration Fail displays when a current out of range is inputted After confirming input current after re display of current value ...

Страница 19: ...ode By pressing FUNC S W UP S W DOWN S W and turning ON power it enters the mode Factory initial is a mode that resets the data to the original factory setting In factory initialization mode most settings are factory preset therefore this function should not be adjusted When it is unavoidable the user must seek help from GasTron to adjust It is a mode that resets the current saved data to the orig...

Страница 20: ... Setting 30002 BIT15 0 High Scale Setting Integer Decimal point is not considered Alarm 1 Setting 30003 BIT15 0 Alarm 1 Setting Integer Decimal point is not considered Alarm 2 Setting 30004 BIT15 0 Alarm 2 Setting Integer Decimal point is not considered Gas detector status value 10000 BIT0 Alarm 1 Active Status BIT1 Alarm 2 Active Status BIT2 Fault Active Status BIT3 Maintenance Mode Status BIT4 T...

Страница 21: ...www gastron com 40_41 GTC 542 Instruction Manual VERSION CONTENTS DATE 1 0 Initial Revision of Manual 2016 09 23 Figure 8 GTC 542 Drawing 2 8 2 Drawing 2 9 Revision History 8 Drawings and Dimensions ...

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