FieldServer FS-8700-103 instruction manual Map Descriptor Example #1 Calr Report

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FS-8700-103_ATMI_TGM_Serial Manual

Page 10 of 28

4.4.4.Map Descriptor Example #1 – CALR Report.

To be useful to the upstream device the driver reports gas concentration values and gas names from the QLA report. In reporting the gas names it is most useful when a driver stores an index value which is used to imply the gas names. The reason this is most useful is that it is typically easier for automation devices to work with numbers and not text.

When the driver reads the Calibration report, it does two things.

1)It stores a string of gas names vs. index values in the Data Array. This string can be viewed using the Ruinet Utility and may be of help in interpreting the gas name index values stored by the QLA report.

2)The data is stored internally by the driver and when a QLA report is parsed the driver looks the gas names up in the CALR report data and uses the lookup to determine what gas name index value to store.

//Client Side Map Descriptors

 

Map Descriptors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Map_Descriptor_Name,

Data_Array_Name,

Data_Array_Offset,

Function,

Node_Name,

Address

Length,

Scan_Interval,

TGM_Funtion

 

RD_CALR,

DA_CALR,

0,

RDBC,

Node_A,

0,

100,

600s,

CALR

Although

not

Data

storage

starts

at

this

mandatory

it is

location

in

the

recommended

Data Array.

 

that each MD is

 

 

 

given a unique name.

A list of gas names vs. index values is stored in the Data Array specified here.

In this particular example, the list is stored as an ASCII string and hence it makes most sense to ensure that the Data Array’s format is BYTE so that it can be viewed as a string when using Ruinet.

Tells the driver to repeat this

Reserve

enough

Tells

the

driver

read task continuously. The

space

in

the

Data

to

read

the

polling interval is set by the

Array

to

store

the

Calibration

 

Scan_Interval parameter.

gas/index string.

 

report.

 

For the CALR report is may

 

 

 

 

 

 

 

also make sense to use the

 

 

 

 

 

 

 

‘ARS’ function which gets the

 

 

No

need

to

 

 

driver to read this data once

 

 

read

this report

 

 

each time the driver restarts.

 

 

too often.

 

 

 

The node name connects the Map Descriptor to a Node definition which in turn is connected to a port. That is how the driver knows which port to use to poll for this data.

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldserver.com

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Contents FS-8700-103 ATMI-TGM Serial Driver Table of Contents FS-8700-103ATMITGMSerial Manual Max Nodes Supported FieldServer Mode CommentsAtmi TGM Serial Driver Description Client Only 1 Server Node Allowed PER PortRequired 3rd Party Configuration FieldServer Technologies DescriptionHardware Connections Malfun Printer OFF Line Hardware Connection Tips / HintsMalfun Remote OFF Line Section Title Configuring the FieldServer as a Atmi TGM Serial ClientData Arrays/Descriptors Column Title Function Legal ValuesClient Side Node Descriptors Client Side Connection DescriptionsNone RDBC, ARS Driver Related Map Descriptor ParametersTiming Parameters Column Function Legal Values TitleMap Descriptor Example #1 Calr Report CalrMap Descriptor Example #2 QLA Report Map Descriptor Example #3 QIR Report Malfunctions QIRCH4 CH4AC CL2 DET Gas Name Index ValueNone ASH3 GEH4 H2AC H2S H2SE HCL N2O NF3 NH3 PH3 Pocl POCL3 SihxAppendix A.2. Malfunction Table Offset Malfunction Return to NormalEngineering Units Index Value Appendix A.3. Gas Concentration Engineering UnitsARU PPM PPB LEL PCT Alarm Reset ALL Malfunctions Clear Data Array specified by the DataArrayName ContentsAppendix B.2. How Gas Data is Stored Data Array specified by the DABitNameAppendix B.4. Adding / Modifying Hard Coded Gas Names PPM TGMDisk Nearly Full TGM Appendix B.5. Adding / Modifying Malfunction StringsC2H5OH TGM Disk is Full TGMDisk no Longer Full TGM Appendix B.6. Adding / Modifying ‘Return to Normal’ StringsDisk not Full TGM Appendix B.8. Synchronizing Malfunctions FS-8700-103ATMITGMSerial ManualPage 22 Appendix C. Driver Error MessagesMessage FS-8700-103ATMITGMSerial Manual Message FYI#21 UINT16 Appendix C.1. Exposing Driver Operating StatisticsStat Relative Offset FS-8700-103ATMITGMSerial Manual Word baudRate = This page Intentionally Left Blank

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