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GTC-550
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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Related Manuals for GASTRON GTC-550
Summary of Contents for GASTRON GTC-550
- 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-550 Contents Contents www.gastron.com Instruction Manual 04_05 1. Overview ······································································································································································ 6.4.9. Calibration Data Initialization Mode ······································································································· 2. Characteristics 7. Interface Configuration ····························································································································································· ············································································································································· 7.1. MODBUS RS485 ····················································································································································· 3. Specifications ······························································································································································· 7.1.1. Interface Setting ······································································································································ 3.1. Basic Specifications ············································································································································ 7.1.2. MODBUS RS485 Register map ···············································································································... -
Page 4: Overview
Receiver of GTC-550 is a receiver with high-performance A/D converter and micro-processor and has various functions 3.1. Basic Specifications built-in. GTC-550 receiver is a stand-alone type that connects to a detector and is protected by a case made of ABS ITEMS SPECIFICATION material. -
Page 5: Electrical Specifications (Standard Type)
CVVS or CVVSB with shield 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 110KPa [Figure 1. GTC-550 Components]... - Page 6 GTC-550 4. Name and Description of Each Part 4. Name and Description of Each Part www.gastron.com Instruction Manual 10_11 ITEMS SPECIFICATION ITEMS SPECIFICATION It is made of ABS Material. It fixes the display and protects the circuit from surrounding RS-485 Network...
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Page 7: Installation
O2 Sensor Combustible Sensor Toxic Sensor (Galvanic Method) SENSOR Red Cable Blue Cable [Figure 2. GTC-550 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-550 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
- This function enables testing without injecting gas to the detector sensor. The user can set an arbitrary concentration by pressing "Test" S/W and alarm function operates normally with - After GTC-550 power turns ON, the current firm ware version is displayed. a user-defined concentration. - VER is displayed for 0.5 sec on FND then number displays. -
Page 10: Operation Status Setting
GTC-550 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 18_19 6.4. Operation Setting LEVEL4 LEVEL1 LEVEL2 LEVEL3 (Range available for Selection) DEFAULT 6.4.1. Setting Table FUNC→ FUNC→ FUNC → FUNC→END (Maintenance-Level) 0 ~ Full range LEVEL4 LEVEL1 LEVEL2 LEVEL3... -
Page 11: Program Mode
GTC-550 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 20_21 6.4.2. PROGRAM MODE ■ After setting a password, move to "UP" S/W or "DOWN" S/W then press "FUNC" S/W to enter the mode. ■ In Program setting function, when it passes 10 s after the last S/W 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 "UP" S/W or"DOWN" S/W where it changes as shown on the left. (Default 100) Ex)100, 10.0, 1.00... -
Page 12: Alarm Mode
GTC-550 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 "UP" S/W or "DOWN" S/W is p ressed, respectively. For negative value, "-" sign displays above the first digit. (Default 0) ▼ ▲ - When a desired SAD is displayed, press "FUNC" S/W to set it and enter the next item. - When "RESET" S/W is pressed, it returns to 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-550 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. - ON/OFF of Energizer Mode is determined by "UP" S/W or "DOWN" S/W. - 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.
- Page 14 - Press "FUNC" S/W to enter Alarm 1 contact output setting function. ■ 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. When it is - It is a mode to change Alarm1 contact output and "ON" and "OFF" mode changes when "OFF" or 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. - When "FUNC" S/W is pressed, it enters Option setting mode. - When a desired Alarm 1 contact output mode is displayed, press "FUNC" S/W to set it and enter - When "RESET" S/W is pressed, it returns to gas concentration display mode.
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Page 15: Test Mode
GTC-550 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 28_29 6.4.5. Test Mode - 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. ■ After setting a password, move to "UP" S/W or "DOWN" S/W then press "FUNC" S/W to enter the mode. - (Default OFF) ■ In test mode, when it passes 10 sec after the last S/W control, it automatically returns to gas concentration - 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. display mode. - For measurement display, it displays raw data from -XXXX ~ +YYYY. -
Page 16: 485 Setting Mode
GTC-550 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 30_31 - It is mA Output Signal Test Mode. - Press "FUNC" S/W to enter mA Output setting function. - Channel number is a mode that enters serial number of control unit to enable recognition of - When "RESET" S/W is pressed, it enters Test Setting Mode. operation status of each control unit at other equipment, such as PC, etc. Pressing "UP" S/W or "DOWN" S/W increase or decreases Address No. Value, respectively. (Default 1) ▼ ▲... -
Page 17: Maintenance Mode
GTC-550 6. Operation Method 6. Operation Method www.gastron.com Instruction Manual 32_33 6.4.7. Maintenance Mode ■ Pressing both "RESET" and "TEST" S/W for 2 sec or longer in gas concentration display mode enters Maintenance mode. - It is a mode that displays value converted from processor after inputting 20mA current to (mA) ▼ ■ "RESET" S/W must be pressed in Maintenance mode to return to gas concentration display mode. 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. -
Page 18: Factory Initialization Mode
It is a mode that resets only calibration data from the currently saved data to the original factory ■ By pressing "FUNC" S/W + "UP" S/W + "DOWN" S/W and turning ON power, it enters the mode. setting. When "RESET" S/W is pressed, it returns to gas concentration display 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. - Press "FUNC" S/W tp enter. - By pressing "UP" S/W or "DOWN" S/W, Yes/no status can be set. When it is "Yes", Calibration It is a mode that resets the current saved data to the original factory setting. ▼ ▲ Initialization function can be used. (Default "no) When "RESET" S/W is pressed, it returns to gas concentration display mode. -
Page 19: 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-550 Drawing 1]... -
Page 20: Drawing 2
8.2. Drawing 2 VERSION CONTENTS DATE Initial Revision of Manual 2011. 08. 25 Changed Main PCB Layout and Added function 2014. 01. 15 Corrected Program Mode Function 2015. 04. 27 Changed Font 2016. 09. 23 [Figure 8. GTC-550 Drawing 2]...
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