FieldServer FS-8700-41 instruction manual

Models: FS-8700-41

1 58
Download 58 pages 34.3 Kb
Page 41
Image 41
Manual background

FS-8700-41 Simplex 4100 Driver Manual

Page 41 of 58

Appendix A.20. Using Clist to Write-Through and Store point status from Unsolicited Messages

Fromversion1.05onthefunctionalityofthe‘clis t’MapDescriptor’shasbeenenhanced.

The‘Clist’MapDescriptorscan

Readapoint’sstatus

WritetoapointwhenaWriteThroughisactivated

Storethepointstatuswhenan‘xpoint’unsolicite dmessageisreceivedfromthepanel.

AWriteThroughoccurswhenaDataArrayvaluethat isnormallyupdatedbyaread(rdbc) MapDescriptorisupdatedbysomeotherdriverorb yusingtheRuinetapplication.

Inthiscasetheupdatedvalueiswrittenthrought hereadMapDescriptorandtheSimplex 4100driverwritestheupdatedvaluetothepanel. Thevalueiswrittenonceonlyeachtime thattheDataArrayelementisupdatedexceptwhen thevalueisupdatedbytheresponseto

thereadorifthepointstatusisupdatedwhenan unsolicitedmessageisreceivedfromthe panel.

Ensurethat:

Thepointisnotareadonlypoint

ThePanel’saccesslevelhasbeensetappropriatel y.

Whenanunsolicitedmessageisreceivedfromthepa nelitwouldnormallybestoredusinga MapDescriptorwiththe‘xpoint’function.(Seesec tion4.5.6)However,ifyouarepollingforthe

status of that point using a ‘Clist’ Map Descriptor and if that Map Descriptor has ‘Store_Unsolicited’settoyesthenyoumustomitt he‘xpoint’MapDescriptorasthe‘Clist’Map Descriptorcanbeusedtostorethepointstatuswh enitisupdatedwithanunsolicitedmessage. IfyouhavebothMapDescriptor’sdefinedthenthe resultwillbeunpredictable.

AwritecommandcanbesenttoaSimplexpanelino neoftwoformats:

1)SETcpsON/OFF(default)

2)SETcpsvalue

Usethesim4100_WriteThruparameterintheCSVtoc hangetothe2ndformat.

Evenifyouarewritingtoananalogpseudopointu singformat1issuitablebecausebyenabling

thepointyouforceittotakeitsintrinsicvalue. Bysettingthepointoffyouaresettingitsvalue to zero.

FieldServer Technologies1991TarobCourtMilpitas,California95035USA

Web:www.fieldserver.com

Tel:(408)2622299

Fax:(408)2622296

Toll_Free:8885091970

email:support@fieldserver.com

Page 41
Image 41
FieldServer FS-8700-41 instruction manual