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Table 4: Modbus address list – holding registers for flare meter validation (analog inputs)

Register tag name

Register

address

Number of

registers

Description

CH_CONFIG

2000

Channel configuration of the flare meter

UNITS_OF_MEASURE

2002

Units of measure configuration of the flare meter

CH4

2020

Methane concentration, fraction (0.0 to 1.0)

C2H4

2022

Ethylene concentration, fraction (0.0 to 1.0)

C2H6

2024

Ethane concentration, fraction (0.0 to 1.0)

C3H6

2026

Propylene concentration, fraction (0.0 to 1.0)

C3H8

2028

Propane concentration, fraction (0.0 to 1.0)

C4H10

2030

Butane concentration, fraction (0.0 to 1.0)

C4H10_ISO

2032

Iso butane concentration, fraction (0.0 to 1.0)

C4Hx

2034

C4’s (olefins) concentration, fraction (0.0 to 1.0)

C5Hx

2036

C5’s concentration, fraction (0.0 to 1.0)

C6Hx

2038

C6’s concentration, fraction (0.0 To 1.0)

H2S

2040

Hydrogen sulfide concentration, fraction (0.0 To 1.0)

VELOCITY_CH1

2100

Ch 1 velocity from flare meter

ERRORCODE_CH1

2102

Ch 1 error code from flare meter

SOUNDSPEED_CH1

2104

Ch 1 sound speed from flare meter

SIG_STRENGTH_CH1_UP

2106

Ch 1 upstream signal strength from flare meter

SIG_STRENGTH_CH1_DN

2108

Ch 1 downstream signal strength from flare meter

SIG_QUALITY_CH1_UP

2110

Ch 1 upstream signal quality from flare meter

SIG_QUALITY_CH1_DN

2112

Ch 1 downstream signal quality from flare meter

AMPLITUDE_CH1_UP

2114

Ch 1 upstream amplitude from flare meter

AMPLITUDE_CH1_DN

2116

Ch 1 downstream amplitude from flare meter

PEAKNUM_CH1_UP

2118

Ch 1 upstream peak number from flare meter

PEAKNUM_CH1_DN

2120

Ch 1 downstream peak number from flare meter

TTIME_CH1_SKAN_UP

2122

Ch 1 upstream transit time, skan from flare meter

TTIME_CH1_SKAN_DN

2124

Ch 1 downstream transit time, skan from flare meter

TTIME_CH1_MEAS_UP

2126

Ch 1 upstream transit time, measure from flare meter

TTIME_CH1_MEAS_DN

2128

Ch 1 downstream transit time, measure from flare meter

DELTA_T_CH1_SKAN

2130

Ch 1 upstream Delta T, skan from flare meter

DELTA_T_CH1_MEAS

2132

Ch 1 upstream Delta T, measure from flare meter

PATH_LENGTH_CH1

2134

Ch 1 path length from flare meter

AXIAL_LENGTH_CH1

2136

Ch 1 axial length from flare meter

VELOCITY_CH2

2200

Ch 2 velocity from flare meter

ERRORCODE_CH2

2202

Ch 2 error code from flare meter

Содержание flare.IQ Generation 2

Страница 1: ...flare IQ Generation 2 Operation and maintenance manual...

Страница 2: ...2...

Страница 3: ...flare IQ Generation 2 Operation and maintenance manual 910 350 rev A June 2020 3...

Страница 4: ...no content intended for this page 4...

Страница 5: ...website at the following link https www bakerhughesds com sales terms conditions Typographical conventions Note These paragraphs provide information that provides a deeper understanding of the situati...

Страница 6: ...operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment Environmental compliance RoHS The flare IQ fully complies with RoHS regulations directive 2011 65 E...

Страница 7: ...rk switch 14 2 3 1 Functional description 14 Chapter 3 Software 15 3 1 Overall architecture 15 3 2 Functional description 15 3 2 1 Flare control 15 3 2 2 Flare meter validation 16 3 3 Configuration 17...

Страница 8: ...ion 40 4 3 2 Module installation 40 4 4 Replacing a DPU 41 4 4 1 Installation 41 4 5 Environment 41 4 5 1 Mounting location 41 4 6 Spare parts list 41 4 7 Reliability 41 4 8 Technical regulations and...

Страница 9: ...etrics ultrasonic flow meter to calculate the molecular weight of the flare gas and from the molecular weight the net heating value NHV is determined Supplemental fuel gas demand and steam air demand...

Страница 10: ...ustomer site has two flare stacks that need to be controlled one power distribution and network top module and a bottom module with four 4 DPUs installed would be required The power distribution and n...

Страница 11: ...r connections and power supplies are accessible from the backside of the rack mount panel as shown in figure 3 The end user brings in a non detachable power cord per the detailed specifications provid...

Страница 12: ...guration universal power supply adjusts automatically from 100 to 240 VAC 50 60 Hz Max power consumption 45 W DC configuration not available Size dimensions Top module 19 02 483 mm width x 6 93 176 mm...

Страница 13: ...before powering on the system The power connector must then be reconnected Table Power connector pin assignments Pin Signal Description 1 Power IN V 10 30 V DC 2 Power IN V GND Figure 7 Phoenix conta...

Страница 14: ...e PE connection on the AC input terminal The power supply unit is electrically connected to the mounting DIN rail via the mounting rail adapter PE connection via the terminal point is not required if...

Страница 15: ...Functional description 3 2 1 Flare control The flare control software algorithm uses the speed of sound measured by Panametrics ultrasonic flare flow meter to estimate the molecular weight of the vent...

Страница 16: ...fy that the flare meter is functioning as designed without having to physically access its hardware Since the flare monitoring application is inherently noisy and variable flow validation requires a s...

Страница 17: ...web console can be launched from a supported web browser running on a host PC connected to the configure monitor ethernet 1 switch on the top module From your web browser enter ip address fiqWeb to la...

Страница 18: ...cessfully uploaded all menu items on the left side of the web console application will turn blue live on the features page and the validity of each license will be indicated by showing the number of d...

Страница 19: ...he monitor page and may change their own password on the accounts page Figure 14 shows how new users can be added by creating new accounts for them along with the username and password requirements Du...

Страница 20: ...dards Word order most significant word MSW first is the default Please note that word order is not formally defined by the Modbus standards A detailed description of the Modbus map required to set up...

Страница 21: ...pes of flare installations available on the left side of flare configuration page are Flare name Flare tip diameter Flare to steam ratio correction factor Flare flowmeter diameter Choice of flare assi...

Страница 22: ...his figure also shows as a representative example the state of the web console prior to clicking either CANCEL or SAVE and CONTINUE at the bottom One of these must be clicked for any of the other tabs...

Страница 23: ...iew is displayed This screen provides a real time readout of essential data being sent to the flare IQ and the results the flare IQ has calculated Displayed data is organized in panes as follows The h...

Страница 24: ...not been recalculated or is the result of a calculation using another parameter that has not been updated by the DCS in a specified time period Most parameters are considered stale if they have not be...

Страница 25: ...Figure 22 Monitor page with no Modbus connection Figure 23 Monitor page with active Modbus connection Figure 24 Monitor page under timeout conditions 25...

Страница 26: ...es in calculated values will continue to be read by the DCS It is imperative that the DCS be placed in manual mode before attempting to override any parameter Otherwise the DCS would act on the change...

Страница 27: ...ion file via the service page As shown in figure 10 running digital verification requires a minimum amount of meter diagnostic data collected over an 8 hour time window This ensures verification occur...

Страница 28: ...able to identify an adequately long block of stable data In this case the verification procedure can be repeated after waiting for a minimum of 30 minutes In either case you are advised to save both...

Страница 29: ...broken the signal value is unchanging or the signal is out of range In these cases the signal value is held at the last known good value Additionally the flare IQ will validate that inputs are reasona...

Страница 30: ...or GC_UPDATE_RATE 1090 2 Expected time between GC MS updates seconds MW_LOW 1100 2 Low molecular weight to apply correction factor MW_NORM 1102 2 Normal molecular weight to apply correction factor MW_...

Страница 31: ...m flare meter SIG_STRENGTH_CH1_UP 2106 2 Ch 1 upstream signal strength from flare meter SIG_STRENGTH_CH1_DN 2108 2 Ch 1 downstream signal strength from flare meter SIG_QUALITY_CH1_UP 2110 2 Ch 1 upstr...

Страница 32: ...ter AMPLITUDE_CH2_DN 2216 2 Ch 2 downstream amplitude from flare meter PEAKNUM_CH2_UP 2218 2 Ch 2 upstream peak number from flare meter PEAKNUM_CH2_DN 2220 2 Ch 2 downstream peak number from flare met...

Страница 33: ...rived from mol weight NHVCZ_MEASURED_TC 416 2 Net heating value in the combustion zone at current fuel and steam NHVCZ_UNCORRECTED_TC 418 2 NHVcz uncorrected for H2 at current fuel and steam NHVCZ_UNC...

Страница 34: ...NPUT_BQ 14 1 NHV vent gas from GC MS value bad Status register RESERVED_15 15 1 Reserved returns 0 Status register RESERVED_16 16 1 Reserved returns 0 Status register QFUEL_BQ 17 1 Fuel gas flow measu...

Страница 35: ...us register RESERVED_48 48 1 Reserved returns 0 Status register RESERVED_49 49 1 Reserved returns 0 Status register RESERVED_50 50 1 Reserved returns 0 Status register RESERVED_51 51 1 Reserved return...

Страница 36: ...Volumetric flow of n2 Sm3 h SCFH Flowmeter flare diameter in in FUEL PAGE Fuel net heating value MJ m3 BTU SCF Update rate Seconds Seconds Fuel min Sm3 h SCFH Fuel max Sm3 h SCFH Monitor page Net hea...

Страница 37: ...ations of EN 60950 It must be possible to switch off the device using a suitable disconnecting device outside the power supply Note that an all pole disconnecting device must be provided for 2 phase o...

Страница 38: ...Figure 30 System wiring diagram 38...

Страница 39: ...on and monitoring via the fiqWeb application described in Section 3 3 LAN A and the other dedicated to Modbus TCP for exclusive use by the plant DCS LAN B Any available Ethernet port on the top switch...

Страница 40: ...es will have 2 modules 1 top power distribution and networking module with two independent network switches and 1 bottom DPU module with 6 DPUs The top module must be installed right above the bottom...

Страница 41: ...th at least an IP52 rating protection from high voltage or high current devices or devices which produce electromagnetic interference avoidance of vibration selection of a location that will provide a...

Страница 42: ...onnected to each other Both LAN A and LAN B support internet control message protocol ICMP or ping echo request and reply messages As described in section 3 3 2 above DHCP is not supported Static IP a...

Страница 43: ...r flare control Register tag name Register address Number of registers Description Scaling factor AR 10 1 Argon concentration fraction 0 0 to 1 0 10 CO2 11 1 Carbon dioxide concentration fraction 0 0...

Страница 44: ..._LOW 110 1 Low molecular weight to apply correction factor 100 MW_NORM 111 1 Normal molecular weight to apply correction factor 100 MW_HIGH 112 1 High molecular weight to apply correction factor 100 Q...

Страница 45: ...ne derived from mol weight BTU SCF 1 NHVCZ_MEASURED_TC 8 1 Net heating value in the combustion zone at current fuel and steam BTU SCF 1 NHVCZ_UNCORRECTED_TC 9 1 NHVcz uncorrected for H2 at current fue...

Страница 46: ...L_DEMAND is a value read from the flare IQ containing the amount of supplemental fuel in standard cubic feet per hour SCFH required for compliance It is expressed in the Modbus address list as Cmd add...

Страница 47: ...g Inches of water gauge MACT Maximum Achievable Control Technology EPA standard Mbps Megabits per second MBps Megabytes per second MJ m3 Megajoules per cubic meter m s Meters per second m3 s Cubic met...

Страница 48: ...48...

Страница 49: ...no content intended for this page 49...

Страница 50: ...bon reduction targets across critical industries including Oil Gas Energy Healthcare Water and Wastewater Chemical Processing Food Beverage and many others Join the conversation and follow us on Linke...

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