Totalflow OPC Items

Standard Items

Protocol Items

OPCItem/x can be used to reference an OPC Item on specific meter runs. The "x" represents the zero-based meter run, so to access the CurrentDP on meter run 2, the item would be entered as CurrentDP/1. The CurrentDP value for meter run 3 can be accessed by CurrentDP/2 and so on.

This only applies to items that are meter specific. It does NOT apply to App:Array:Index tags.

Item	Data Type	Description
ACCUMMCF	R4	Accum. Volume (MCF)
APHIGHCAL	R4	AP high cal
APHIGHLIMIT	R4	AP hi limit
APLOWCAL	R4	AP low calibration
APLOWLIMIT	R4	AP lo limit
APMIDCAL	R4	AP Mid High Calibration
APMIDHIGHCAL	R4	AP mid high calibration
APMIDLOWCAL	R4	AP mid low calibration
App:Array:Index:DataType/Bit	UI1, I1, UI2, I2, UI4, I4, R4, R8, String, Time, Timestamp, TimestampUTC	App: Application number; Array: Array number; Index: Index number; Data Type: I1: 8-bit integer; (Ex: 2:7:0:I1) I2: 16-bit integer; (Ex: 2:7:0:I2) I4: 32-bit integer; (Ex: 2:7:0:I4) UI1: 8-bit unsigned integer; (Ex: 2:7:0:UI1) UI2: 16-bit unsigned integer; (Ex: 2:7:0:UI2) UI4: 32-bit unsigned integer; (Ex: 2:7:0:UI4) R4 (default): 32-bit single-precision floating point; (Ex: 2:7:0:R4) R8: 64-bit double-precision floating point; (Ex: 2:7:0:R8) String: String data type; (Ex: 2:7:0:String) Time: DD/MM/YY HH:MM:SS string; (Ex: 2:7:0:Time) Timestamp: Time value in 'variant' format (Ex: 2:7:0:Timestamp) TimestampUTC: Time value in 'variant' format adjusted to UTC timezone (Ex: 2:7:0:TimestampUTC) No presentation means float; (Ex: 2:7:0) Adding "/bit" at the end of the item will allow the user to read an individual bit. The "bit" is a 0 based index and available for data type I1, UI1, I2, UI2, I4, and UI4.
BAROPRESS	R4	Barometric pressure
BATTVOLTS	R4	Current battery voltage
CALCMETH	UI1	FCU volume calc. method
CALCUNITS	UI1	FCU calculation units
CONTRACTHOUR	UI1	Contract Hour
ControlValve.Alarm.1	I2
ControlValve.Alarm.2	I2
ControlValve.Alarm.3	I2
ControlValve.Alarm.4	I2
ControlValve.Alarm.5	I2
ControlValve.Alarm.6	I2
ControlValve.Alarm.7	I2
ControlValve.Alarm.8	I2
ControlValve.AnalogValve	I2
ControlValve.Alarm.APBias	R4
ControlValve.Alarm.APOverride	I2
ControlValve.BatteryLowLimit	R4
ControlValve.ClosePeriod	UI2
ControlValve.CloseTime	UI2
ControlValve.CMD2	UI2
ControlValve.CommandExt	I2
ControlValve.CurrentAP	R4
ControlValve.CurrentBV	R4
ControlValve.CurrentCP	R4
ControlValve.CurrentDP	R4
ControlValve.CurrentExt	R4
ControlValve.CurrentTF	R4
ControlValve.CurrHour72Flag	R4
ControlValve.CurrPercOnSched	R4
ControlValve.CurrSetupStart	String
ControlValve.CurrSetupStop	String
ControlValve.CurrStatusActualVol	R4
ControlValve.CurSetupTargetVolume	R4
ControlValve.CurSetupTermMode	UI1
ControlValve.DPDeadband	R4	DP Deadband
ControlValve.DPGain	I2	DP Gain
ControlValve.DPHighLimit	R4	DP High Limit
ControlValve.DPLowLimit	R4	DP Low Limit
ControlValve.DPLowTime	I2
ControlValve.DPSetpoint	R4	DP Setpoint
ControlValve.DPShutinMode	I2
ControlValve.ExtendedMode	I2
ControlValve.ExtEventMode	I2
ControlValve.ExtFeatureFlags	I2	Feature Flags 2 0x0001: On/Off timer 0x0002: External flow rate process variable
ControlValve.FeatureFlags	I2	Feature Flags 0x0001: Valve control 0x0002: Nominations mode 0x0004: SP override for valve control and nominations 0x0008: Radio key delay supported 0x0010: Don’t send step or ramp commands twice 0x0020: SP override type available 0x0040: Turbine Meter 0x0080: Additional VCI commands available 0x0100: Nominations mode available 0x0200: KDT active 0x0400: PBUT active 0x0800: More features in Feature Flags 2 0x1000: VCI 0x2000: EXIO 0x4000: EXIO2
ControlValve.FRDeadband	R4	Flow Rate Deadband
ControlValve.FRGain	I2	Flow Rate Gain
ControlValve.FRHighLimit	R4	Flow Rate High Limit
ControlValve.FRLowLimit	R4	Flow Rate Low Limit
ControlValve.FRSetpoint	R4	Flow Rate Setpoint
ControlValve.LastHour72Flag	R4
ControlValve.LastPercOnSched	R4
ControlValve.LastSetupStart	String
ControlValve.LastSetupStop	String
ControlValve.LastSetupTargetVolume	R4
ControlValve.LastSetupTermMode	UI1
ControlValve.LastStatusActualVol	R4
ControlValve.Mode	I2	Controller Mode 0 Manual 1 Step Open 2 Step Closed 3 Ramp Open 4 Ramp Closed 5 Auto Dp Control 6 Auto Flow Rate Control 7 Auto Sp Control 8 Auto Nominations Control 9 Auto Dp Control with shut-in 10 Auto Flow Rate Control with shut-in 11 Auto Sp Control with shut-in 12 Auto Nominations Control with shut-in 255 Invalid control mode
ControlValve.NextSetupStart	String
ControlValve.NextSetupStop	String
ControlValve.NextSetupTargetVolume	R4
ControlValve.NextSetupTermMode	UI1
ControlValve.NominationActive	UI1
ControlValve.OpenPeriod	UI2
ControlValve.OpenTime	UI2
ControlValve.PipeID	R4	Pipe Inner Diameter
ControlValve.PulseWidth	UI2
ControlValve.RadioPowerupDelay	UI2
ControlValve.RadioXmitDelay	UI2
ControlValve.RampClosed	I2	Ramp Closed
ControlValve.RampOpen	I2	Ramp Open
ControlValve.ShutinPeriod	UI2
ControlValve.ShutinTIme	UI2
ControlValve.SPDeadband	R4	SP Deadband
ControlValve.SPGain	I2	SP Gain
ControlValve.SPHighLimit	R4	SP High Limit
ControlValve.SPLowLimit	R4	SP Low Limit
ControlValve.SPOverrLimit	R4
ControlValve.SPRestartLimit	R4
ControlValve.SPSetpoint	R4	SP Setpoint
ControlValve.StepClosed	I2	Step Closed
ControlValve.StepOpen	I2	Step Open
ControlValve.TimerUnits	I2
ControlValve.ValveLocation	I2
ControlValve.ValvePosLowBV	UI1
ControlValve.ValveSetTime	I2
CURACCVOL	R4	Current Accumulated Volume
CURRENTAP	R4	Current AP
CURRENTDP	R4	Current DP
CURRENTMCF	R4	Current flow rate (MDF/Day)
CURRENTTF	R4	Current Temp
DateTime	Date
DateTime2	String
DPHIGHCAL	R4	DP high calibration
DPHIGHLIMIT	UI1	DP hi limit
DPLOWCAL	R4	DP lo calibration
DPLOWLIMIT	R4	DP low limit
DPMIDCAL	R4	DP mid calibration
DPMIDHIGHCAL	R4	DP mid high calibration
DPMIDLOWCAL	R4	DP mid low calibration
ELEMENT	UI1	Primary element
FIRSTRECEIVED	UI1	First analysis received
FIXEDAP	R4	Fixed AP
FIXEDAR	R4	Fixed Analysis Argon
FIXEDBTU	R4	Fixed Analysis BTU
FIXEDCD	R4	Fixed Cd
FIXEDCO	R4	Fixed Analysis Carbon Monoxide
FIXEDCO2	R4	Fixed Analysis CO2
FIXEDETHANE	R4	Fixed Analysis Ethane
FIXEDFAUX	R4	Fixed F(aux)
FIXEDFB	R4	Fixed F(b)
FIXEDGRAVITY	R4	Fixed Analysis Gravity
FIXEDH	R4	Fixed Analysis Hydrogen
FIXEDH2O	R4	Fixed Analysis H2O
FIXEDH2S	R4	Fixed Analysis H2S
FIXEDHE	R4	Fixed Analysis HE
FIXEDIBUTANE	R4	Fixed Analysis IButane
FIXEDIPENTANE	R4	Fixed Analysis Ipentane
FIXEDMETHANE	R4	Fixed Analysis Methane
FIXEDN2	R4	Fixed Analysis N2
FIXEDNBUTANE	R4	Fixed Analysis Nbutane
FIXEDNDECANE	R4	Fixed Analysis Ndecane
FIXEDNHEPTANE	R4	Fixed Analysis Nheptane
FIXEDNHEXANE	R4	Fixed Analysis Nhexane
FIXEDNNONANE	R4	Fixed Analysis Nnonane
FIXEDNOCTANE	R4	Fixed Analysis Noctane
FIXEDNPENTANE	R4	Fixed Analysis Npentane
FIXEDO2	R4	Fixed Analysis Oxygen
FIXEDPROPANE	R4	Fixed Analysis Propane
FIXEDTEMP	R4	Fixed temperature
FLOWHIGHLIMIT	R4	Flow Rate high limit (MCF/Day)
FLOWLOWLIMIT	R4	Flow Rate low limit (MCF/Day)
FP	R4	F(p)
FPVMETH	UI1	Supercomp method
FT	R4	F(f)
LASTALARMS	UI4	Last Calculation Period Alarms
LASTAP	R4	Last Calculation Period abs. pressure
LASTAR	R4	Last Calculation Period Argon
LASTBTU	R4	Last Calculation Period BTU
LASTC
LASTCD	R4	Last Calculation Period Cd. Specific to AGA31992
LASTCO	R4	Last Calculation Period Carbon Mon
LASTCO2	R4	Last Calculation Period CO2
LASTCOUNTS	UI4	Last Calculation Period Int. counts
LASTDP	R4	Last Calculation Period diff. pressure
LASTETHANE	R4	Last Calculation Period Ethane
LASTEV	R4	Last Calculation Period Ev. Specific to AGA31992
LASTEXT	R4	Last Calculation Period Extension.
LASTFA	R4	Last Calculation Period F(a). Specific to AGA31985
LASTFAUX	R4	Last Calculation Period F(aux)
LASTFB	R4	Last Calculation Period F(b). Specific to AGA31985
LASTFG	R4	Last Calculation Period F(g). Specific to AGA31985
LASTFIP	R4	Last Calculation Period FIP. Specific to AGA31992
LASTFPB	R4	Last Calculation Period F(pb). Specific to AGA31985
LASTFPV	R4	Last Calculation Period F(pv)
LASTFR	R4	Last Calculation Period F®. Specific to AGA31985
LASTFTB	R4	Last Calculation Period F(tb). Specific to AGA31985
LASTFTF	R4	Last Calculation Period F(tf). Specific to AGA31985
LASTFTW	R4	Last Calculation Period F(tw). Specific to AGA31985
LASTGRAVITY	R4	Last Calculation Period Gravity
LASTH	R4	Last Calculation Period Hydrogen
LASTH2O	R4	Last Calculation Period H2O
LASTH2S	R4	Last Calculation Period H2S
LASTHE	R4	Last Calculation Period Helium
LASTIBUTANE	R4	Last Calculation Period IButane
LASTIPENTANE	R4	Last Calculation Period IPentane
LASTMCF	R4	Last Calculation Period volume (MCF)
LASTMETHANE	R4	Last Calculation Period Methane
LASTN2	R4	Last Calculation Period N2
LASTNBUTANE	R4	Last Calculation Period NButane
LASTNDECANE	R4	Last Calculation Period NDecane
LASTNHEPTANE	R4	Last Calculation Period NHeptane
LASTNHEXANE	R4	Last Calculation Period NHexane
LASTNNONANE	R4	Last Calculation Period Nnonane
LASTNOCTANE	R4	Last Calculation Period NOctane
LASTNPENTANE	R4	Last Calculation Period NPentane
LASTO2	R4	Last Calculation Period Oxygen
LASTPROPANE	R4	Last Calculation Period Propane
LASTQM	R4	Last Calculation Period qm. Specific to AGA31992
LASTQV	R4	Last Calculation Period Qv
LASTRANGE	UI4	Last Calculation Period Int. range 4
LASTRHOB	R4	Last Calculation Period Rhob. Specific to AGA31992
LASTTF	R4	Last Calculation Period flowing temp
LASTY	R4	Last Calculation Period Y
LIVESTREAM	UI1	Attach to stream
LOCATION	String
MONELOR	UI1	Monel orifice
MTRID	String
ORD	R4	Orifice diameter
ORIFCOEF	R4	Orifice plate coef. of expansion
ORIFRETEMP	R4	Orifice reference temp
PARTNO	String
PIACCUMUVOL	R4	Accumulated uncorrected volume. Specific to AGA7
PICURRENTPIC	R4	Current Pulse Input Count. Specific to AGA7
PIPECOEF	R4	Pipe coef. of expansion
PIPED	R4	Pipe diameter
PIPEREFTEMP	R4	Pipe reference temp
PIYESTHIACF	R4	Yesterday's HI ACF. Specific to AGA7
PIYESTLOACF	R4	Yesterday's LO ACF. Specific to AGA7
PIYESTUVOL	R4	Yesterday's uncorrected volume. Specific to AGA7
PRESSBASE	R4	Pressure base
PWDENABLED	UI1	Password mode enabled
RATIO	R4	Ratio of specific heats
RPTUNITS	UI1	FCU report units
RTD	UI1	RTD installed
SECCHECK	UI1	Check security code?
SOFTREV	String
STREAMID	UI4	Stream ID
TAPLOC	UI1	Tap Location
TAPPIPE	UI1	Tap type
TEMPBASE	R4	Temperature base
TEMPBIAS	R4	Temperature bias
TFHIGHLIMIT	R4	Tf high limit
TFLOWLIMIT	R4	Tf low limit
TRIP1ACFHIGH	UI1	Trip Contact on ACF high alarm
TRIP1ACFLOW	UI1	Trip Contact on ACF low alarm
TRIP1APHIGH	UI1	Trip contact on AP high alarm
TRIP1APLOW	UI1	Trip contact on AP low alarm
TRIP1DPHIGH	UI1	Trip contact on DP high alarm
TRIP1DPLOW	UI1	Trip contact on DP low alarm
TRIP1LC	UI1	Trip contact on LC alarm
TRIP1REMOTE	UI1	Trip contact on Remote
TRIP1RESET	UI1	Auto reset contact
TRIP1SETPT	UI1	Trip contact on volume set point
UFLOWHIGHLIMIT	R4	Uncorrected Flow Rate High Limit
UFLOWLOWLIMIT	R4	Uncorrected Flow Rate Low Limit
USECALCCD	UI1	Use calcedCd?
USEFA	UI1	Use F(a)
USEFAUX	UI1	Use F(aux)
USEFB	UI1	Use F(b)
USEFG	UI1	Use F(g)
USEFIXEDERROR	UI1	Use Fixed Analysis on error
USEFPB	UI1	USE F(pb)
USEFPV	UI1	Use F(pv)
USEFR	UI1	Use F(r)
USEFTB	UI1	Use F(tb)
USEFTF	UI1	Use F(tf)
USEFW	UI1	Use F(w)
USEMEASTEMP	UI1	Use measured temperature
USESQRTAVG	UI1	Use square root AP, DP avgs
USEY	UI1	Use Y
VISCOSITY	R4	Viscosity
VOL1SETPT	R4	Volume Set Point for contact
VOLCALCPRD	UI2	Volume calculation period
VOLLOGPRD	UI4	Volume Log period
YESTMCF	R4	Yesterday's volume (MCF)
ZB	R4	Zb
ZEROCUTOFF	R4	Zero cutoff

Extended Items

The Totalflow® protocol implementation supports the item names listed below for use by client applications. Item names can be specified as in the table below:

Item	Data Type	Description
GCWrite/Txn	Variant Array	Used for automated gas quality download.
LastAlarmRecord/1	Date	Timestamp of the last alarm record retrieved from meter number 1.
LastDailyRecord/1	Date	Timestamp of the last daily record retrieved from meter number 1.
LastEventRecord/1	Date	Timestamp of the last event record retrieved from meter number 1.
LastHistoryCollection	Date	Timestamp of the last history collection.
LastHistoryCollectionUTC	Date	Timestamp of the last history collection.
LastHistoryResult	I4	Result of the last history collection attempt.
LastHourlyRecord/1	Date	Timestamp of the last hourly record retrieved from meter number 1.
LastTimeSync	Date	Timestamp of the last time synchronization attempt.
LastTimeSyncResult	I4	Result of the last time synchronization attempt.
LastTrendCollection	Date	Timestamp of the last trend collection.
LastTrendCollectionUTC	Date	Timestamp of the last trend collection.
LastTrendRecord/1	Date	Timestamp of the last trend record retrieved from meter number 1.
LastTrendResult	I4	Result of the last trend retrieval attempt.
MoveDaily/1	I2	Move the daily history retrieval pointer for meter run 1. Write a positive number to move the pointer back in time, a negative number to move the pointer forward in time. The written value represents the number of days to move.
MoveEvent/1	I2	Move the event history retrieval pointer for meter run 1. Write a positive number to move the pointer back in time, a negative number to move the pointer forward in time. The written value represents the number of days to move.
MoveLogPeriod/1	I2	Move the log period pointer for meter run 1. Write a positive number to move the pointer back in time, a negative number to move the pointer forward in time. The written value represents the number of periods to move.
ResetDaily/1	BOOL	Erase the daily history retrieval pointer for meter 1 (and re-collect all daily history during the next retrieval).
ResetEvent/1	BOOL	Erase the event history retrieval pointer for meter 1 (and re-collect all event history during the next retrieval).
ResetLogPeriod/1	BOOL	Erase the log period history retrieval pointer for meter 1 (and re-collect all log period history during the next retrieval).
ResetTrend/1	BOOL	Erase the trend retrieval pointer for meter 1 (and re-collect all trends during the next retrieval).
RetrieveDaily	BOOL	Result of retrieving daily records for all enabled meters.
RetrieveDaily_Adhoc	BOOL	Result of retrieving daily records for all enabled meters without changing the history position information.
RetrieveEvent	BOOL	Result of retrieving event records or all enabled meters.
RetrieveEvent_Adhoc	BOOL	Result of retrieving event records for all enabled meters without changing the history position information.
RetrieveHistory	I2	Retrieve enabled history.
RetrieveLogPeriod	BOOL	Result of retrieving log period and alarm records for all enabled meters.
RetrieveLogPeriod_Adhoc	BOOL	Result of retrieving log period and alarm records for all enabled meters without changing the history position information.
RetrieveTrend	I2	Retrieve enabled trends.
SetDaily/1	Date	Sets the daily history retrieval position to a specified date and time for meter 1.
SetLogPeriod/1	Date	Sets the log period and alarm history retrieval position to a specified date and time for meter 1.
SetTrend/1	Date	Sets the trend history retrieval position to a specified date and time for meter 1.
TimeSync	I2	Perform time synchronization.