Bronkhorst DeviceNet slave interface Manuel d'utilisateur télécharger pdf (Page 25)

BRONKHORST®

Page25DeviceNetinterface   9.17.026

4.3 ANALOGSENSOROBJECT

4.3.1 Sensorvalue

SeeSetpointattributeofSinglestagecontrollerabove.



4.3.2 Alarmenable

AttributeAlarmenableofAnalogSensorobjectislinkedtopropar97;3(Alarmmode).



FLOW‐BUS Devicenet

Alarmmode Alarmenable

proc97;par3 obj0x31,attr8

ALRM_OFF

(ALRM_RESPONSE)

(ALRM_POWERFAILURE)

0(off)

ALRM_MINMAX 1(on)



When 0 is written to Alarm enable attribute, the internal alarm mode is always set to ALRM_OFF. The modes

ALRM_RESPONSEandALRM_POWERFAILUREcanbesetbyRS232,notbyDeviceNet.



Moreinformationcanbefoundinthemanual“917023Operationalinstructionsdigitalinstruments

”

Thisdocumentcanbefoundat:

http://www.bronkhorst.com/en/downloads/instruction_manuals/

4.3.3 AlarmTripPoints

Alarm_Trip_Point_Lowattributeislinkedtopropar97/2(Min.limit). Validrangeis[0,32000].

Alarm_Trip_Point_Highattributeislinkedtopropar97/1(Max.limit). Validrangeis[0,32000].

Avalueoutsidethevalidrangeisroundedtothenearestvaluewithintherange.NotethattheTripPointvaluesare

dependent

ontheselecteddatatypes/units.



Forthemaximumvaluethefollowingmappingisused:



FLOW‐BUS DeviceNet

Maxlimit AlarmTripPointHigh

proc97;par1 obj0x31,attr17

0(off) 32000

1 0

32000 31999



4.3.4 Gascalibrationobjectinstance

IndicateswhichGasCalibrationobjectinstanceisactiveforthisobject.Thevalueofthisattributeisequalto

(fluidnumer+1).Value0(disabled)isnotsupported.



4.4 ANALOGACTUATOROBJECTINSTANCE

4.4.1 Actuatorvalue

Thefollowingsdataunitsaresupported:

0x1001(counts): 0=valveclosed,32767=valvefullyopen

0x1007(percent): 0=valveclosed,100=valvefullyopen



Thefollowingdatatypesaresupported: 0xC3(int) 0xCA(real)

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 42 43

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Bronkhorst DeviceNet slave interface Manuel d'utilisateur Page 25

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