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GTC-520F

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.

Summary of Contents for GTC-520F

Page 1: ...ance 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: ...formed quarterly when the calibration period is not specified In case of a problem after purchasing the product please contact the address below Address 23GunpoAdvancedIndustry1 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 F...

Page 3: ... 40 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 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...

Page 4: ...control functions since it has an output for an error SPDT contact GTC 520F receiver provides 4 20mA DC output for the measured value and is able to communicate digitally using RS 485 network signal Option 3 1 Basic Specifications ITEMS SPECIFICATION Measuring Value Display 4 Digit FND 32 segment Measuring Range Capable to display 000 0 9999 Alarm Indicator Visible Indicator 3 Alarm Trouble LED Wa...

Page 5: ...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 Le...

Page 6: ...ts on When it reaches Alarm 1 threshold during a test Alarm 1 LED lights on 16 Buzzer Operates in a continuous tone upon an event of warning or fault during a test 17 External POWER Switch S W used to turn ON and OFF of the control unit power When performing cable wiring work power must be turned OFF 18 External Buzzer Stop Return Switch Ack Reset Used to stop the buzzer upon an event of A alarm P...

Page 7: ...use a shield cable with CVVS or CVVSB 0 75 sq and higher 5 1 Power Configuration When it is desired to use DC24V a separate request must be made when ordering the product When the product has been delivered as DC24V Type upon a customer request and of DC24V shall be connected to L1 and L2 or CN9 respectively After detaching the equipment cover terminal block that connects power and various signals...

Page 8: ...Power DC 24 V Output 14 External Power DC 24 V Output Table 3 CN5 Terminal Description Figure 4 CN7 Terminal Configuration 5 4 3 wire type Gas detector Connection Method 5 5 2 wire type Gas detector Connection Method Figure 5 3 wire type gas detector Figure 6 2 wire type gas detector When the gas detector has 3 wire V mA V for power and 420 mA output components connect to the Channel Unit as shown...

Page 9: ...r LED of the 3 Color bar graphic LED lights on red When gas concentration is detected to be above the set value for alarm alarm function counts the dwell time and if it is above the set dwell time alarm function operates Alarm relay turns on when it is above the alarm dwell time When Alarm Latch Type is at ON mode and alarm function runs the alarm status and gas concentration value stays at the ma...

Page 10: ... 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 Emergency Timeout ON OFF OFF End Trouble Relay ON OFF OFF Alarm Relay ON OFF OFF mA ou...

Page 11: ...tem When FUNC S W is pressed it enters Program Mode This setting mode is configured with the same measuring range as gas detector when delivered Ex When range is set to 100 For 4 mA DC output 0 Display For 20 mA DC output 100 Display SAD setting mode to correct measurement error occurring from the detector When FUNC S W is pressed it enters SAD setting mode When RESET S W is pressed it enters Prog...

Page 12: ...S W is pressed it enters Program Mode Alarm Latch Type has two modes ON and OFF OFF mode automatically resets alarm When ON the user must press RESET S W to release and reset the alarm It is a function that sets Energizer Modes for Alarm Relay and Fault Relay When FUNC S W is pressed it enters Energizer Mode setting function When RESET S W is pressed it enters Alarm Setting Mode ON OFF of Energize...

Page 13: ...hen a desired mode is displayed press FUNC S W to set it and enter the next item When RESET S W is pressed it enters Alarm Setting Mode It is a mode to set a dead band for Alarm 1 operation Pressing UP S W or DOWN S W increases or decrease the value respectively Default 0 When Alarm 1 is in H mode Alarm 1 operates at values above the sum of Alarm and dead band values and releases below the sum Whe...

Page 14: ...tion setting After setting a password move to UP S W or DOWN S W then press FUNC S W to enter the mode In Option setting mode when it passes 10 sec after the last S W control it automatically returns to gas concentration display mode In option 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 I...

Page 15: ...gas to the detector sensor The user can set an arbitrary concentration by pressing UP or DOWN S W and the alarm function operates normally with a user defined concentration When FUNC S W is pressed it enters test setting mode When RESET S W is pressed it returns to gas concentration display mode It is a mode that sets ON OFF status for Trouble Relay Test Operation Press FUNC S W to enter Trouble R...

Page 16: ... setting function When RESET S W is pressed it returns to 485 Mode Channel number is a mode that enters serial number of control unit to enable recognition of 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 When a desired address no is displayed press FUNC S W to set it and enter the n...

Page 17: ...ain to confirm When RESET S W is pressed it returns to gas concentration display mode Mode that sets by inputting 20 mA current Press FUNC S W to enter function that displays current input by number When RESET S W is pressed it returns to gas concentration display mode OR It is a mode that displays value converted from processor after inputting 20mA current to mA terminal Press FUNC S W when the d...

Page 18: ...To prevent this when FUNC S W is used for Yes no FND displays 1 11 111 1111 from the left in 0 5 sec interval When YES is selected initialization is complete and it returns to gas concentration display mode When no is selected it returns to gas concentration display mode without initialization Selecting RESET S W returns to gas concentration display mode without FND display It is a mode that reset...

Page 19: ...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 B...

Page 20: ...water etc It is recommended to be installed in areas that are easier to work in since regular maintenance is needed Avoid areas with vibration or shock since they can affect output values Sensor part must be installed towards the direction of gravity This equipment has explosion proof construction for internal pressure and belongs to GROUP II for gas and vapor in general work sites and chemical pl...

Page 21: ...ual Initial Revision 2011 08 25 1 0 Changed Main PCB Layout and Added function 2014 01 15 2 0 Corrected Program Mode Function 2015 04 27 3 0 Changed Font 2016 09 23 4 0 Changed Explosion proof Equipment Cable Entry Installation Regulation 45 cm 50 mm 2017 01 20 10 Revision record ...

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