STATUS SCIENTIFIC CONTROLS FGD 3 Series Manual Download | Manualshive

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STATUS SCIENTIFIC CONTROLS

FGD3 Infrared Detector Heads

FIRMWARE REVISION HISTORY.................................................................... 3

MAX XREF CHANGED FROM 150 TO 500.2. INTRODUCTION ................................ 3

.................................................................................................... 5

INSTALLATION ............................................................................................... 6

.................................................................................... 6

....................................................................................... 6

............................................................................................ 6

..................................................................................... 7

Connection Instructions ..................................................................... 7

NSTALLATION IN A NON

HAZARDOUS LOCATION

................................................ 8

.............................................................. 9

Installations using Proprietary Safety Barriers. ................................ 10

RELATIVE RESPONSE CHARACTERISTICS ............................................... 11

CALIBRATION AND MENU SYSTEM ............................................................ 13

rrV .................................................................................................................. 13

Calibration Gas Flow Rates ............................................................. 13

.............................................................................. 14

C: 1 - Zero Sensor........................................................................... 16

C: 2 - Span Sensor.......................................................................... 17

C: 3 - Select FSD ............................................................................ 18

C: 4 - Set 4mA Loop Current ........................................................... 18

C: 5 - Set 20mA Loop Current ......................................................... 18

C: 6 - Display mode ......................................................................... 19

C: 7 - Display Firmware Version ...................................................... 19

C: 8 - Restore.................................................................................. 20

C: 9 - View Engineer/Diagnostics Data ............................................ 21

C:10 - Sensor Frequency ................................................................ 21

C:12 - Cross Reference................................................................... 22

C: 19 - Positive Zero Suppression ................................................... 23

C: 20 - Negative Zero Suppression ................................................. 23

– Positive Zero Temperature Compensation .......................... 24

C: 30 - Set Password ...................................................................... 24

– Positive Span Temperature Compensation ......................... 25

– Negative Zero Temperature Compensation ........................ 25

– Negative Span Temperature Compensation ....................... 26

C: 44 - Signal conditioning .............................................................. 26

– Response window ............................................................... 27

............................................................................ 28

............................................................................... 29

Sensor Electronics Verification. ....................................................... 29

TROUBLE SHOOTING................................................................................... 30

CERTIFICATION ............................................................................................ 31

SPECIFICATION ............................................................................................ 32

........................................................................................... 32

IOXIDE LOW RANGE

...................................................................... 32

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Summary of Contents for FGD 3 Series

Page 1: ... V9 4i FGD 3 Infrared Gas Detector Stock No SS412 Carbon Dioxide Stock No SS413 Hydrocarbon STATUS SCIENTIFIC CONTROLS LTD Hermitage Lane Industrial Estate Kings Mill Way Mansfield Nottinghamshire NG18 5ER England Tel 01623 651381 www status scientific com ...

Page 2: ......

Page 3: ...00211 Notified Body Number 0598 Notified Body for ATEX Quality Assurance Notification SGS Fimko Oy Särkiniementie 3 Helsinki 00211 Notified Body Number 0598 Hazardous Area Certificate Number Baseefa 01ATEX2300 II 2 G Ex ia IIC T4 Gb 20O C Ta 60 O C ATEX Quality Assurance Notification Number 2056 Place of Manufacture Mansfield Nottinghamshire UK Date mark applied see product ISO 9001 2015 Quality M...

Page 4: ...4 C 4 Set 4mA Loop Current 18 5 2 5 C 5 Set 20mA Loop Current 18 5 2 6 C 6 Display mode 19 5 2 7 C 7 Display Firmware Version 19 5 2 8 C 8 Restore 20 5 2 9 C 9 View Engineer Diagnostics Data 21 5 2 10 C 10 Sensor Frequency 21 5 2 11 C 12 Cross Reference 22 5 2 12 C 19 Positive Zero Suppression 23 5 2 13 C 20 Negative Zero Suppression 23 5 2 14 C 25 Positive Zero Temperature Compensation 24 5 2 15 ...

Page 5: ...STATUS SCIENTIFIC CONTROLS FGD3 Infrared Detector Heads 8 3 CARBON DIOXIDE HIGH RANGE 32 9 OUTLINE DIMENSIONS 33 ...

Page 6: ...ing Enhanced menu items Password protection added Version 6 83i 03 May 2005 CH4t added to list used to select methane scale using the temperature compensated sensor Version 6 82i 08 Dec 2004 Default bulb rate of 18 was 14 Default target gas to 40 0 Version 6 81i 26 Nov 2004 New sensor type from Dynament HCC no temperature compensation required Version 6 8ir 11 Mar 2004 CO2H sensor added to list bu...

Page 7: ...STATUS SCIENTIFIC CONTROLS FGD3 Infrared Gas Detector Heads TD06 024 Issue 7 Change Note 1904 Page 4 ...

Page 8: ...ector heads require a three wire connection see section 3 4 While the loop current supplies the power required by the detector head electronics within the detector head a second supply must be provided to power the infrared sensor and its associated circuitry Additional features of the latest generation of FGD3 Heads include The terminal block for wire termination is located within an EMC enclosur...

Page 9: ...ases that are lighter than air should be positioned at a high level Sensors for heavier than air gases should be located at a low level Avoid siting the sensors adjacent to potential sources of radio frequency interference e g radio transmitters control switchgear motors etc Avoid mounting the instrument where it may be subjected to sudden transients in ambient temperature e g above a heater radia...

Page 10: ...equire a three wire connection to the control unit Sig current loop to head 8 0 28V 25mA max 0 0V return to control unit Pwr supply for sensor 5 8 7 5V 60mA approx The infrared sensor requires a current of typically 60mA but draws this in pulses at a frequency of 2Hz approx Note Sig and terminals must not be connected together Although the detector head will appear to function correctly it will no...

Page 11: ...at 20V the maximum cable loop resistance Sig will be Voltage available minimum voltage max current max loop resistance 20 8 0 0 025 480 The voltage at the supply needs to be 1 volt greater than the required 5 8V minimum for every 16Ω of cable resistance At all times the voltage measured between the and 0V terminals at the detector head must fall within the range 5 8 7 5V The diagram above shows co...

Page 12: ...nnecting cables comply with the manufacturer s specification As with a non I S installation the cable length is restricted by the cable loop resistance With the introduction of a barrier or the FGDIO module refer to the MCU System Installation and Hardware Configuration Manual the cable loop resistance is reduced because of the internal resistance of the barrier The end to end resistance of the ba...

Page 13: ...CIENTIFIC CONTROLS FGD3 Infrared Gas Detector Heads TD06 024 Issue 7 Change Note 1904 Page 10 3 6 1 Installations using Proprietary Safety Barriers For wiring details refer to manufacturers specific data sheets ...

Page 14: ...r will also respond to a range of hydrocarbon gases The characteristics shown on the following page demonstrate the relative response to some of the common hydrocarbons If the expected target gas is other than methane then either a The characteristics can be used as a guide when setting up the alarm levels in the associated control unit e g where a general hydrocarbon response is required b The FG...

Page 15: ...STATUS SCIENTIFIC CONTROLS FGD3 Infrared Gas Detector Heads TD06 024 Issue 7 Change Note 1904 Page 12 ...

Page 16: ...gh so that the STATUS label can rotate revealing the calibration switches and test points The buttons and test points are designated as follows The keypad has the following functionality Button Function Alternate Function MENU Open Close Menu PASSword UP Next Increase 1 DOWN Previous Decrease 2 ENTER Accept selection 3 Note Where possible disable the channel at the control unit so that the calibra...

Page 17: ...ess to every aspect of the system to be changed Note The password is a pre set six digit number which can be obtained from Status Scientific Controls Ltd Several calibration modes exist in the FGD3 and these are accessible via the instruments simple menu system To select a calibration mode follow this procedure Press the MENU button either PASS or C 1 appears on the display If PASS appears on the ...

Page 18: ...8 9 View Engineer Diagnostic data 5 2 9 10 Sensor frequency 5 2 10 12 Set cross reference 5 2 11 19 Set Positive zero suppression 5 2 12 20 Set Negative zero suppression 5 2 13 25 Set zero temperature compensation 5 2 14 30 Password control 5 2 15 34 Set span temperature compensation 5 2 16 44 Set signal conditioning 5 2 19 46 Set response window 5 2 20 Note Menu modes 1 2 4 5 are always available...

Page 19: ... and press ENTER Press ENTER to perform the ZERO calibration Pressing MENU instead of ENTER aborts the calibration the ZERO factor will still be displayed on exit Press MENU the display will show the ZERO factor for the instrument before returning to its standard mode of operation The ZERO factor should be recorded on any calibration certificates completed Note For Hydrocarbon sensors If there is ...

Page 20: ...ation the SPAN factor will still be displayed on exit Press MENU the display will show the SPAN factor for the instrument before returning to its standard mode of operation The SPAN factor should be recorded on any calibration certificates completed 5 2 2 1 Suggested calibration gas levels Hydrocarbon sensor refer to section 1 20 to 50 LEL Methane 20 to 50 LEL Propane 20 to 50 LEL Pentane Carbon D...

Page 21: ...V Press ENTER to store the 4mA calibration data Pressing MENU instead of ENTER aborts the feature Press MENU the display will show the DAC 4mA calibration factor for the instrument before returning to its standard mode of operation 5 2 5 C 5 Set 20mA Loop Current This is a calibration feature It allows the instrument to simulate a condition of full scale gas so that the 20mA output can be set A co...

Page 22: ...the decimal point to the desired setting Press ENTER Pressing MENU instead of ENTER aborts the feature Press MENU to return the instrument to its standard mode of operation Note changing the decimal point will not result in a more accurate reading 5 2 7 C 7 Display Firmware Version This option is used to view the processor firmware version Select menu mode C 7 refer to section 5 2 and press ENTER ...

Page 23: ...LEL General hydro carbons HCC Infrared 0 100 LEL General hydro carbons HHC Infrared 0 100 Vol General hydro carbons HHCC Infrared 0 100 Vol General hydro carbons CO2L Infrared 0 5 Vol Carbon Dioxide CO2t Infrared 0 5 Vol Carbon Dioxide CO2H Infrared 0 25 Vol Carbon Dioxide CO2P Infrared 0 10000 ppm Carbon Dioxide ACET Infrared 0 100 LEL Acetone The sensor type is selected as follows From the menu ...

Page 24: ...erature C 2 Span Calibration Temperature C 3 Sensor temperature C 4 Detector AtoD counts 5 Reference AtoD counts 6 Fractional absorbance The mode of operation can be selected by pressing the UP button Press MENU to return the instrument to its standard mode of operation 5 2 10 C 10 Sensor Frequency This menu option is used by Status Scientific Controls personnel only and allows the frequency at wh...

Page 25: ...to the target gas From the menu system select menu option C 12 and press ENTER Using the INCREASE and DECREASE buttons set the required cross reference factor Press ENTER to store the new value Note Pressing MENU rather than ENTER exits the cross reference feature without saving any changes Press MENU to close the menu system Infrared sensor Target gas Internal sensor setting Calibration gas Cross...

Page 26: ...ss ENTER to store the new value Note Pressing the MENU button rather than the ENTER button exits without any change Press MENU to close the menu system 5 2 13 C 20 Negative Zero Suppression This option is used to allow the user to suppress small amounts of negative sensor zero drift The setting can be set between 0 and 10 of the sensor range as set by the FSD value Press MENU to open the menu syst...

Page 27: ...ure compensation value Press ENTER to store the new value Note Pressing the MENU button rather than the ENTER button exits without any change Press MENU to close the menu system 5 2 15 C 30 Set Password Use this menu option to enable disable the password feature Place the FGD9 in the password menu as follows Press the MENU to open the menu system Using the NEXT and PREVIOUS buttons select menu opt...

Page 28: ...s ENTER to store the new value Note Pressing the MENU button rather than the ENTER button exits without any change Press MENU to close the menu system 5 2 17 C 35 Negative Zero Temperature Compensation This option is used to apply temperature compensation to the sensor a zero value results in no applied compensation The value can be either positive or negative depending upon the type of sensor fit...

Page 29: ...the INCREASE and DECREASE buttons set the required temperature compensation value Press ENTER to store the new value Note Pressing the MENU button rather than the ENTER button exits without any change Press MENU to close the menu system 5 2 19 C 44 Signal conditioning This option is used to apply averaging to the sensor output This option is available so that the FGD3 can be set for optimum respon...

Page 30: ...t the expense of decreasing the gas readings stability Note changing this value from the factory setting may make the readings unstable consult Status Scientific Controls Ltd before making any changes Press MENU to open the menu system Using the NEXT and PREVIOUS buttons select menu option C 46 Press ENTER Using the INCREASE and DECREASE buttons set the required averaging value Press ENTER to stor...

Page 31: ...t thus ensuring the control unit is aware of the fault condition Note xx is a number that defines a particular fault as follows 1 Checksum error 2 Zero calibration error 4 Span calibration error 8 Sensor reference low output 16 Sensor reference high output 32 Sensor detector low output 64 Sensor detector high output When multiple fault conditions occur the xx is the combination of the above fault ...

Page 32: ...section 5 5 4 1 Sensor Electronics Verification Select menu mode C 9 refer to section 5 2 9 Select engineer code C 9 3 and verify that the sensor temperature is approximately 7o C above ambient 25 o C Select engineer code C 9 4 and verify that the detector output corresponds with the table below Select engineer code C 9 5 and verify that the reference output corresponds with the table below SENSOR...

Page 33: ... levels Problems encountered by customers are usually found to be caused by Failure to adhere to recommended calibration intervals Failure to use Nitrogen for ZERO calibrations or insufficient purge times allowed Sensor aperture obstructions Incorrect control unit configuration Power supply requirements not met Instrument raising alarms and considered faulty but found to be responding correctly to...

Page 34: ...ipment manufactured before 10 08 2012 has the following certification coding on line 4 the above label EEx iad II C T4 20 C Ta 60 C 1180 II 2 G Ex iad II C T4 Gb 20 C Ta 60 C BASEEFA BAS01ATEX2300 SERIAL No Ui Ii Pin Ci Li Termls Sig 0 30V 0 15A 0 81W 10nF 0 Termls 0 7 5V 0 75A 1 4W 9 7uF 0 WARNING STATIC HAZARD DO NOT RUB WITH DRY CLOTH STATUS SCIENTIFIC CONTROLS GAS DETECTOR TYPE FGD3 ...

Page 35: ... 140 F Humidity range 0 95 RH non condensing Operating pressure Ambient 10 Cable loop resistance Signal Sensor 480 Ohms at nominal 20v 41 Ohms at 8 0V DC Degree of protection IP65 8 1 Hydrocarbon Measurement range 0 100 LEL Response Time T90 30 sec methane 50 LEL Measurement Resolution 1 LEL Note 100 LEL is based on the following Gas v v Methane 5 0 Propane 2 0 Pentane 1 4 8 2 Carbon Dioxide low r...

Page 36: ...STATUS SCIENTIFIC CONTROLS FGD3 Infrared Gas Detector Heads TD06 024 Issue 7 Change Note 1904 Page 33 9 Outline Dimensions 140 102 122 102 122 STA TUS Depth 75mm ...

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