PT3E-0460
Optical Interferometric Gas Monitor
FI-815A
Operating Manual
Страница 1: ...PT3E 0460 Optical Interferometric Gas Monitor FI 815A Operating Manual...
Страница 2: ...re using this product Throughout this manual the following indications are used to ensure safe and effective work DANGER This message indicates that improper handling may cause serious damage on life...
Страница 3: ...How to Operate in Maintenance Mode 21 6 1 Overview of maintenance mode and each menu 21 6 2 Displaying contrast of the interferometric sensor 22 6 3 Displaying light volume of the interferometric sen...
Страница 4: ...e to avoid a risk of electric shock Perform the grounding work while the gas monitor is not powered CAUTION A low volatile solvent that condenses liquefies within the gas monitor or within a tube conn...
Страница 5: ...Functions 1 1 Outline drawing of the gas monitor 5 1 Product Functions 1 1 Outline drawing of the gas monitor Handle Flow monitor Mounting hole 4 7 Display Flow adjustment valve Power switch Fuse Term...
Страница 6: ...he supplied quantity depends on the number of units to be delivered 1 to 10 units Two 11 to 20 units Four 21 to 50 units Six Over 51 units Eight MC ST filter 1 GAS IN dust filter Cylindrical filter CF...
Страница 7: ...1 Product Functions 1 3 Block diagram 7 1 3 Block diagram Tubing diagram Pressure gauge Solenoid valve Needle valve Diffusion preventing buffer Pulsation preventing buffer Flow meter Pump...
Страница 8: ...hers 8 BRIGHT lamp This lamp lights up when the volume of light source for the interferometric sensor is dropped 9 CONT lamp This lamp lights up when the contrast for the interferometric sensor is dro...
Страница 9: ...the following locations 1 Place exposed to water oil or chemicals 2 Place with vibrations 3 Place where radio wave or noise is generated 4 Place where the gas monitor may drop or receive strong shock...
Страница 10: ...and precautions 10 2 2 Installation and precautions The structure of the gas monitor is a rack mounting type To install it a rack that matches the panel cutout dimensions shown in the figure below sho...
Страница 11: ...side of the gas monitor and wall to secure maintenance space When installing the gas monitor in an enclosed storage board take a measure to prevent the temperature inside the storage board from rising...
Страница 12: ...voltage contact Contact capacity 125 VAC 1 A 30 VDC 1 A Resistance load 8 18 9 4 20 mA 19 Fault alarm contact non voltage contact Contact capacity 125 VAC 1 A 30 VDC 1 A Resistance load 10 20 The ter...
Страница 13: ...asure can be taken Take an appropriate measure before using the gas monitor Provide protection by a lightning arrester cable arrester A lightning arrester may be installed before the field devices and...
Страница 14: ...N Be careful not to damage the internal electronic circuit when wiring CAUTION The b contact break contact under de energized state may be opened momentarily by a physical shock such as external force...
Страница 15: ...d filters in the way of the tubing to remove dust GAS IN MC ST filter REF IN Cylindrical filter CF 8369 2 After the tube is cut its cut point may have a smaller inner diameter Use a file etc to expand...
Страница 16: ...an inverted U to prevent rain from entering the tube When it returns to the exhaust duct etc keep the state within the atmosphere pressure of 3 kPa and the state that pressure fluctuation is not rapi...
Страница 17: ...witch on the LCD display for over five seconds or short circuiting the terminal plates 5 and 6 for over five seconds will light up the REF CAL lamp and start the zero adjustment about 90 seconds The z...
Страница 18: ...larm contact is reset causing the AL1 lamp to go out non latching auto reset The second alarm is activated as in the case of first alarm 5 4 How to check alarm setpoint Press the mark of the AL SET sw...
Страница 19: ...detected the PW TR lamp blinks as shown in the right figure and the fault alarm contact is activated At this time an error code appears on the display and the 4 20 mA external output is fixed to 0 5...
Страница 20: ...uble alarm pattern Second alarm setpoint First alarm setpoint First alarm lamp AL1 Alarm contact 1 ALM1 Second alarm lamp AL2 Alarm contact 2 ALM2 Gas concentration Steady on Blinking Normal measureme...
Страница 21: ...ure appears on the LCD display when the maintenance mode is entered Press the mark of the UP DOWN switch to change the menu and press the mark of the SET switch to confirm it and proceed to the conten...
Страница 22: ...tate see 5 6 Error display and remedial actions Check this value regularly to estimate the extent of contamination or rough replacement timing of the interferometric sensor When the mark of the MAINTE...
Страница 23: ...t becomes 4 20 mA However the zero point or full scale may slightly vary depending on the condition of the receiver such as a recorder prepared by the customer Use the method described here to adjust...
Страница 24: ...le the second alarm setpoint is displayed When the SET switch is pressed while the first alarm setpoint or second alarm setpoint is displayed the LCD display blinks allowing a setting change with the...
Страница 25: ...scale The 4 20 mA output level varies with the indication 5 The first alarm activation is caused when the test level meets the first alarm condition The AL1 lamp blinks when the alarm delay time has...
Страница 26: ...is pressed while the LCD displays the program number manufacturer s reference number written to FI 815A and sum value are displayed alternately This function is used by a service engineer for the pur...
Страница 27: ...ck that these lamps are off Blinking lamps indicate that the deterioration state of the interferometric sensor gets worse If the sensor is further deteriorated the system is put into a troubled state...
Страница 28: ...r switch of the main unit 2 Replace the attached fuse 2A normal fusing type with new one 3 Turn on the power switch and check that the unit operates normally 7 3 Procedures to store the gas monitor or...
Страница 29: ...e way solenoid valve 1 year 7 to 8 1 10 Other tubing parts including flow meter and low flow sensor 1 year 7 to 8 2 sets 1 The above replacement intervals are recommendation only The intervals may cha...
Страница 30: ...measuring and base gases was contained Dew condensation was caused by water vapor in a tube and a measuring gas was dissolved in the moisture A measuring gas especially solvent condensed liquefied in...
Страница 31: ...th it remaining in the tubing Make sure that the measurement value returns to zero clean the tube sufficiently and then turn off the power switch in the rear of the gas monitor Also check that waterdr...
Страница 32: ...indicated in the unit of one hundredth of the volume Grounding Connect the grounding terminal of the gas monitor to the specified equipment to avoid a risk of electric shock Measuring gas A gas target...
Страница 33: ...11 Disposal of Product 33 11 Disposal of Product When the gas monitor is disposed of it must be treated properly as an industrial waste in accordance with the local regulations...
Страница 34: ...act No voltage contact 1a or 1b De energized energized at an alarm or energized de energized at an alarm Fault alarm self diagnosis Low flow rate low light volume low contrast Contact capacity 125 VAC...
Страница 35: ...nits to be delivered 1 to 10 units One 11 to 20 units Two 21 to 50 units Three Over 51 units Four FI 815A operating manual 1 Fuse 2A normal fusing type The supplied quantity depends on the number of u...
Страница 36: ...ge sensor and converted into a refractive index after calculating the move amount of interference fringes with a high degree of accuracy through the fast Fourier analytical processing The concentratio...
