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GTC-542
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 : info@gastron.com
www.gastron.com
Read in detail for correct use.
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Summary of Contents for GASTRON GTC-542
- Page 1 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 : info@gastron.com www.gastron.com Read in detail for correct use.
- Page 2 Gas & Flame Thank you very much for purchasing a product from GasTron Co. Ltd. Our Gastron Co.Ltd. is a company specialized in Gas Detector & Gas Monitoring System and have been Detection System recognized by many customers for the best quality and use convenience. We always seek to help our customers to find the product they need and we continuously research to develop gas detectors that satisfies our customers.
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Page 3: Table Of Contents
GTC-542 Contents Contents www.gastron.com Instruction Manual 04_05 1. Overview ······································································································································································ 6.6.7. Maintenance Mode ································································································································ 6.6.8. Factory Initialization mode ······················································································································ 2. Characteristics ····························································································································································· 6.6.9. Calibration Data Initialization Mode ······································································································· 3. Specifications ······························································································································································· 7. Interface Configuration ············································································································································· 3.1. Basic Specifications ············································································································································ 7.1. MODBUS RS485 ·····················································································································································... -
Page 4: Overview
Receiver of GTC-542 is a receiver with high-performance A/D converter and micro-processor and has various functions 3.1. Basic Specifications built-in. The receiver of GTC-542 is a stand-alone type that is connected to one detector and is protected by a case made ITEMS SPECIFICATION of ABS material. -
Page 5: Electrical Specifications (Standard Type)
RS485 STP(Shielded Twisted Pair) Analog 2500m Cable Connection Length RS485 1000m EMC Protection: 3.4. Environmental Specifications ITEMS SPECIFICATION Operation Temperature -20 to 60 ℃ Storage Temperature -20 to 60 ℃ Operation Humidity 0~ 99% RH (Non-condensing) Pressure Range 90 to 110 kPa [Figure 1. GTC-542 Components]... - Page 6 RS-485 MODBUS Network, etc. Return Key Performs functions to release alarm, self-test, and program setting, etc. [Table 1. GTC-542 Configuration Description] Buzzer Stop Key Used to stop the buzzer upon an event of an alarm Pressing "TEST" key enters a mode that performs self-test.
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Page 7: Installation
O2 Sensor Combustible Sensor Toxic Sensor (Galvanic Method) SENSOR Red Cable Blue Cable [Figure 2. GTC-542 Power Configuration] White Cable Red Cable Red Cable External Reset S/W + Terminal. When + and - terminals short, alarm reset function operates. RESET... -
Page 8: Relay Terminal Configuration
GTC-542 5. Installation 5. Installation www.gastron.com Instruction Manual 14_15 5.3. Relay Terminal Configuration 5.4. 3-wire Type Gas detector Connection Method ■ Using CN5 terminal, it consists of 3 SPDT-type Alarm relay and 1 SPDT-type Trouble relay. ■ When the gas detector has 3-wire (V+, mA, V-) for power and ■ Alarm Lamp (LP) can connect DC external warning light. 420 mA output components, connect to the Channel Unit as ■ LP terminal output DC +24V power regardless of AC, DC power mode. This is to use an external DC flash light or shown in Figure 5. external devices. -
Page 9: Operation Method
Alarm2 threshold in orange, and alarm3 threshold in red. - After GTC-542 power turns ON, the current firm ware version is displayed. - When the detector is not connected or input current from the detector is under 10% below the - VER is displayed for 0.5 sec on FND then number displays. -
Page 10: Stand-By Mode
ALARM MODE display mode. (3H) H, L (3H 00) 0~99 - In stand-by mode, STD-BY LED flickers. Trouble/Alarm relay of GTC-542 contact output (Alarm 3 Time Delay) 0~60 does not operate but all other functions run. (Alarm 3 Relay) ON, OFF - When "DOWN(Stand-by)" KEY is pressed 2 sec or longer, it returns to gas concentration... -
Page 11: Program Mode
GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 20_21 6.6.2. PROGRAM MODE ■ After setting password, press "▲" KEY or "▼(Test)" KEY to move then press "FUNC" KEY to enter. ■ In program setting mode, when it passes 10 sec after the last KEY control, it automatically returns to gas - Decimal point is used when it is necessary to change decimal point for measured range. concentration display mode. Decimal point position is set by pressing "▲" KEY or "▼(Test)" KEY where it changes as shown on the left. (Default 100) Ex)100, 10.0, 1.00... -
Page 12: Alarm Mode
GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 22_23 - A message indicating completion of setting is displayed as "End" for 2 sec then it returns to gas concentration display status. - Function to set SAD value. SAD value increase or decreases when "▲" KEY or "▼(Test)" KEY is pressed, respectively. For negative value, "-" sign displays above the first digit. (Default 0) ▼ ▲ - When a SAD value is displayed, press "FUNC" KEY to set and enter the next item. - When "RESET" KEY is pressed, it returns Program Mode. (Ex.) When output error at detector is -2, the actual display should be -2, but SAD set value of 2 is corrected and 0 is displayed. - Page 13 GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 24_25 - Alarm level is set to the concentration outlined in domestic regulations as factory setting. - Energizer mode decides ON/OFF using "▲" KEY or "▼(Test)" KEY. - It is a mode to set a direction of Alarm 1 operation. Pressing "UP"S/W or "DOWN" S/W displays - When ON, it is in Normal Open (NO) status. "H" or "L", respectively. - When OFF, it is in Normal Close (NC) status.
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Page 14: Option Mode (Option Setting)
■ In Option setting mode, when it passes 10 sec after the last S/W control, it automatically returns to gas - When "RESET" S/W is pressed, it returns to Alarm Setting Mode. concentration display mode. ■ In option mode, most settings are factory preset, therefore, this function should not be adjusted. - It is a mode to change Alarm1 contact output and "ON" and "OFF" mode changes when "ON" or When it is unavoidable, the user must seek help from GasTron to adjust. "OFF" S/W are pressed. - Alarm1 contact output mode has two modes; "ON" and "OFF". In OFF mode, Alarm 1 contact - It is a mode to set Option function. output does not run. In ON mode, it runs. - Page 15 GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 28_29 - By pressing "UP" S/W or "DOWN" S/W, ON/OFF status can be set and when it is ON, UNDER function is available for use. (Default OFF) - When a desired item is displayed, press "FUNC" S/W to set it and enter the next item. - When "RESET" S/W 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. - For measurement display, it displays raw data from -XXXX ~ +YYYY. - When "FUNC" KEY is pressed, it enters Option Setting Mode. - When "FUNC" S/W is pressed, it enters "Engineer" setting mode. - When "RESET" S/W is pressed, it enters Option Setting Mode. - (This mode is only used as test mode and is not used in the actual field.) - It sets Emergency Time Out.
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Page 16: Test Mode
GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 30_31 It sets output delay value. Gas value within time and value applied by operating with output delay time is not displayed. When the value exceeds, the measurement is displayed. -
Page 17: 485 Setting Mode
GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 32_33 - When Aout is OFF, it starts from 0. FND value is changed by "UP" S/W or "DOWN" S/W but mA Mode that sets Parity Bit, which is a format of 485 communication. is not outputted. (Default 3mA) When "FUNC" KEY is pressed, it enters Parity Bit setting mode. - When Aout is ON, FND value outputs from 100 and output current is 20 mA. It can be changed When "RESET" KEY is pressed, it returns to gas concentration display mode... - Page 18 GTC-542 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 34_35 When "oUt" is selected, it is a mode after input current, which sets 4 mA output current. (Default 4.00) Connect ammeter to 4~20 mA output terminal and press "▲" KEY or"▼(Test)" KEY to match the - It is a mode that displays value converted from processor after inputting 4mA current to (mA) ▼ ▲ ▼ terminal. values on ammeter and FND then press "FUNC" KEY to set output current and move to the next item. - Press "FUNC" S/W when the displayed number is stable to display SUC (Success) for a current When "RESET" key is pressed, it returns to gas concentration display mode. input within normal range and move to the next item.
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Page 19: Factory Initialization Mode
6.6.8. Factory Initialization Mode ■ 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. - Press "FUNC" S/W to enter. When it is unavoidable, the user must seek help from GasTron to adjust. - By pressing "UP" S/W or "DOWN" S/W, Yes/no status can be set. When it is "Yes", Calibration ▼ ▲ Initialization function can be used. (Default "no) - When "RESET" S/W is pressed, it returns to gas concentration display mode. It is a mode that resets the current saved data to the original factory setting. -
Page 20: Interface Configuration
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 [Table 5. RS485 MODBUS Address Configuration] [Figure 7. GTC-542 Drawing 1]... -
Page 21: Drawing 2
GTC-542 8. Drawings and Dimensions 9. Revision History www.gastron.com Instruction Manual 40_41 8.2. Drawing 2 VERSION CONTENTS DATE Initial Revision of Manual 2016. 09. 23 [Figure 8. GTC-542 Drawing 2]...
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