
BRONKHORST®
Page17DeviceNetinterface 9.17.026
CONTROLLEROBJECTSERVICES
SINGLESTAGE
CONTROLLER
OBJECT
SERVICE
CODE
SERVICENAME SERVICEDESCRIPTION
0x33 0x0E Get_Attribute_Single Returnsthecontentsofthespecifiedattribute
0x33 0x10 Set_Attribute_Single Modifiesanattributevalue
3.3.8 S‐GasCalibrationObject
ClassCode34HEX
AnS‐GasCalibrationObjectaffectsthebehaviourofanassociatedS‐AnalogSensorobjectinstance.
GASCALIBRATIONOBJECT’SCLASSATTRIBUTES(Instance=0)
GAS
CALIBRATION
OBJECT
ATTRI‐
BUTE
ATTRIBUTENAME SERVICECODE DATATYPE
FLOW‐
BUS
Comment
0x34 0x02 MaxInstance
1
0x0E UINT8
1
Thisisthetotalnumberofprocessgasescurrentlycalibratedforthedevice.
GASCALIBRATIONOBJECT’SINSTANCEATTRIBUTES(Instance=1...8)
GAS
CALIBRATION
OBJECT
ATTRI‐
BUTE
ATTRIBUTENAME
SERVICE
CODE
DATATYPE FLOW‐BUS Comment
0x34 0x01 Numberofattributes 0x0E USINT6
0x34 0x02 AttributeList 0x0E ArrayofUSINT
0x34 0x03 GasStandardnumber 0x0E UINTseelistfromSEMI
0x34 0x04 ValidSensorinstance 0x0E UINT 1
0x34 0x05 GasSymbol 0x0E SHORTSTRING 1,17;Char[10] fluidname
0x34 0x06 FullScale 0x0E STRUCT Fullscalecapacity(REAL),
capacityunit(UINT)
0x34 0x08 CalibrationDate 0x0E DATE 113,9;Char[8]
1
Thegascalibrationisformedbya3
rd
gradepolynomial(y=a+bx+cx²+dx³).Thispolynomialwillperform
linearizationtoachievethewantedaccuracy.Upto8polynomialscanbestoredfordifferentfluids.
Eachfluidhasitsowninstance(1...8).
GASCALIBRATIONOBJECTSERVICES
GAS
CALIBRATION
OBJECT
SERVICECODE SERVICENAME SERVICEDESCRIPTION
0x34 0x0E Get_Attribute_Single Returnsthecontentsofthespecifiedattribute
0x34 0x10 Set_Attribute_Single Modifiesanattributevalue
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