GASTRON GTC-540 Instruction Manual
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GASTRON GTC-540 Instruction Manual

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Design, Development, Manufacturing, Installation of Gas
Leak Alarm and Additional Service
Human Technology & Future
INSTRUCTION MANUAL
GTC-540
Revision: 2
GASTRON
Please read this manual carefully for the correct use of the equip ment
Copyright⒞ GASTRON, Co., LTD. All rights reserved.

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  • Page 1 Design, Development, Manufacturing, Installation of Gas Leak Alarm and Additional Service Human Technology & Future INSTRUCTION MANUAL GTC-540 Revision: 2 GASTRON Please read this manual carefully for the correct use of the equip ment Copyright⒞ GASTRON, Co., LTD. All rights reserved.
  • Page 2 In this manual, the installation, operation, simple maintenance methods, etc. for the control unit of the GTC-540 Gas Leak Alarm. Please read carefully and keep well and it will provide great help when you have any doubt during the operation.

  • Page 3: Table Of Contents

    5.2. Reference Diagram for Signal I/O Terminal CN6 Connection ............10 5.3. Reference Diagram for Signal Output Terminal CN5 Connection ..........10 5.4. Connection between GTC-540 Receiver Unit and Detection Unit ..........11 Menu Table ................................... 12 Operation ..................................14 7.1.

  • Page 4: Overview

    (Alarm LED) and has the function to hold the maximum measured values when the alarm is activated Since GTC-540 receiver unit allows the remote control to reset alarm and has output for the alarm (SPDT contact), the gang control function can be performed.

  • Page 5: Specification

    GTC-540 Instruction Manual 3. Specification I T E M S S P E C I F I C A T I O N Model GTC-540 Operation display 6-LED( Power, 3-alarm, Trouble, Stan-by for Maintenance ) Measuring display 3-Digit 1.8” FND & Bar-graph(32 segment, 3-color LED)

  • Page 6: Name Of Each Part And Major Function

    GTC-540 Instruction Manual 4. Name of Each Part and Major Function 4.1. Component 212.48 235.59 PAGE 6 of 30 Rev3, 2014.09.01...

  • Page 7: Detailed Explanation Of Each Part

    GTC-540 Instruction Manual Descriptions Case Front TEST S/W Case body RESET S/W Mars Light BZ-STOP S/W Mount Boss(2- Ø6.5) Buzzer Conduit connection (1- Ø 16.5 , 5-Ø20.5) Terminal Block Cover O-Ring <NBR> RS-485 module(Option) Power LED SMPS Maintenance LED Power ON/OFF S/W...
  • Page 8 GTC-540 Instruction Manual When primary alarm is activated, Alarm 1 LED is turned on. 12. Primary Alarm LED If the value reaches to the value for primary alarm when performing test function, Alarm (Alarm 1 LED ) 1 LED is turned on.

  • Page 9: Terminal Connection Diagram

    GTC-540 Instruction Manual 5. Terminal Connection Diagram 5.1. Power Supply Connection Connect the AC power (85~260V 50/60Hz) to CN7 as shown in figure. (In case of using DC24V, it should be requested separately when ordering the product, and when the DC24V type of product is delivered according to the user’s request, the positive of DC24V should be...

  • Page 10: Reference Diagram For Signal I/O Terminal Cn6 Connection

    GTC-540 Instruction Manual 5.2. Reference Diagram for Signal I/O Terminal CN6 Connection Caution) RS-485 Cable should be used dedicated RS-485 cable and for the connection cable to connect with 4~20mA output and detector, the shield cable of CVVS or CVVSB higher than 0.75sq should be used! 5.3.

  • Page 11: Connection Between Gtc-540 Receiver Unit And Detection Unit

    GTC-540 Instruction Manual 5.4. Connection between GTC-540 Receiver Unit and Detection Unit For the connection with detection unit, the shield cable higher than 0.75 sq of CVVS or CVVSB is used. 2Wire type 3Wire type DC18~31V DC18~31V PAGE 11 of 30...

  • Page 12: Menu Table

    GTC-540 Instruction Manual 6. Menu Table Level1 Level2 Level3 Level4(Selection Default FUNC→ FUNC→ FUNC → FUNC → NEXT Range) 100, 10.0, 1.00 (Decimal-Point) ↑ ↑ 10~999 (High-Scale) PROGRAM -99 ~ 99 & & MODE 0~128 (Channel number) 0~99 (Pass Word) ↓...
  • Page 13 GTC-540 Instruction Manual Level4(Selection Level1 Level2 Level3 Range) Default FUNC→END FUNC→ FUNC→ FUNC→ 0 ~ Full range (Maintenance-Level) ↑ ↑ ON / OFF (Under) & Option MODE & ON / OFF (Engineering) ↓ ON / OFF (Emergency-Timeout) ↓ ↑ (End) &...

  • Page 14: Operation

    -. Check if the power LED is turned on. -. Check if the “SEL” is displayed in FND of GTC-540 display unit. 7.3. Gas Concentration Display When the power of GTC-540 is turned on, current firm ware version is displayed.  Current version is 17.

  • Page 15: Password Input

    GTC-540 Instruction Manual When the alarm latch type is set to ”ON” mode, the alarm and the gas concentration  is maintained at maximum, and if the gas concentration is dropped under the value set to alarm, it will not be reset and should be reset with “RESET S/W”.
  • Page 16 GTC-540 Instruction Manual This is the High Scale setting function, which is to set maximum value of gas  concentration. The High Scale value is set to the range provided by domestic law when shipping.  If “FUNC” S/W is pressed, the mode is changed to High Scale setting mode.

  • Page 17: Alarm Data Setting

    GTC-540 Instruction Manual The password is increased or decreased whenever “UP” S/W or “DOWN” S/W is  pressed. (Default P00) If “FUNC” S/W is pressed when the desired password is displayed, the password is  ▼▲ set and the screen is changed for next item.
  • Page 18 GTC-540 Instruction Manual If ”FUNC” S/W is pressed, the mode is changed to Alarm Lamp setting mode.  If “RESET” S/W is pressed, the mode is returned to Alarm Setting mode.  Set ON and OFF function using “FUNC” S/W by selecting desired alarm using “UP”...
  • Page 19 GTC-540 Instruction Manual time of Alarm 1. If “RESET” S/W is pressed, the mode is returned to Alarm Setting mode.  The delay time of Alarm is increased and decreased in unit of second whenever  “UP” S/W or “DOWN” S/W is pressed. (Default 1)

  • Page 20: Option Setting

    GTC-540 Instruction Manual 7.7. Option Setting -. You can enter to this mode when pressing “FUNC” key by moving “UP” S/W or “DOWN” S/W after setting password. -. If 10 seconds are passed after manipulating final S/W in the Option Setting mode, the mode will be returned to Gas Concentration Display mode automatically.

  • Page 21: Test Mode Setting

    GTC-540 Instruction Manual If ”FUNC” S/W is pressed, the mode is changed to Emergency Time Out setting  mode. If “RESET” S/W is pressed, the mode is returned to Option Setting mode.  ON/OFF can be set with “UP” S/W or “DOWN” S/W and if it is set to ON, the ...

  • Page 22: Maintenance Function Setting

    GTC-540 Instruction Manual This is the mA Output Signal Test Mode.  If ”FUNC” S/W is pressed, the mode is changed to mA Output Setting mode.  If “RESET” S/W is pressed, the mode is returned to Test Setting mode.
  • Page 23 GTC-540 Instruction Manual If “RESET” S/W is pressed, the mode is returned to the gas concentration display  mode. This is the mode to set entering current of 20mA  If ”FUNC” S/W is pressed, the mode is changed to the mode displaying the current ...

  • Page 24: Test Function Setting

    -. If ETO (Emergency Time Out) is set to OFF, “DOWN” (Stand-by) S/W should be pressed more than 2 second to return to gas concentration display mode. In the Down mode, STD-BY LED is flickered and all the rests functions of GTC-540 ...

  • Page 25: Factory Initialization Function

    Since Factory Initialization is mostly the functions set in the factory, it should not be  modified and if it is unavoidable, it should be assisted by Gastron This the mode to initialize the data currently stored to the data at the time of ...

  • Page 26: Calibration Data Initialization

    GTC-540 Instruction Manual 7.13. Calibration Data Initialization -. You can enter to this mode when the power is turned on while pressing “FUNC” S/W and “DOWN” S/W. -. Calibration Initialization is the function to the calibration values only out of the product setting to the factory setting.

  • Page 27: 485 Modbus Interface

    GTC-540 Instruction Manual 8.2. 485 MODBUS Interface 8.2.1. RS-485 Communication Setting 1) Baud rate: 9600 bps 2) Data bits: 8bits 3) Stop bit: 1bits 4) Parity: Even 8.2.2. Address Structure Description Address Bits Description Measured Gas Measure gas value (integer type / Decimal Point is not...

  • Page 28: Outside View And Dimensions

    GTC-540 Instruction Manual 9. Outside View and Dimensions PAGE 28 of 30 Rev3, 2014.09.01...
  • Page 29 GTC-540 Instruction Manual PAGE 29 of 30 Rev3, 2014.09.01...

  • Page 30: Revision History

    This product and product manual are subject to change for the improvement of product performance and the convenience of use without prior notice. Gastron Co., Ltd. Gastron Co., Ltd. 18-8 Dogeumdanji 1-gil (Palgok 2-dong), Sangnok-gu, Ansan City, Gyeonggi-do Tel: 031-4900-800 Fax: 031-4900-801 http://www.gastron.com...

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