Owner manual

Banner Engineering Corp. •Minneapolis,U.S.A.

www.bannerengineering.com•Tel:763.544.3164

P/N64118rev.B

5.4 Serial Communication with a Host Controller

ThecontrolmodulecommunicateswithahostprocesscontrollerviaRS-232or

RS-485protocolandatthebaudratespecifiedintheSerialCommunicationsbox

(section5.3.1).TheSystemprovidesanumberofdatatransmissionoptions.

5.4.1 Serial Data Transmission

TheserialtransmissionportionofthePSFConfigurationscreenactivatestheserial

port(s),specifiesthedataformat,andprovidesdatasuppressionoptions.These

settingsarerequiredtoallowacontrolmoduletocommunicatewithahostcomputer

orprocesscontroller.IfNo Serial Communicationisselected(thedefaultsetting),

theserialport(s)willnottransmitsensingdata.

Measurement Mode Result: datatransmittedwillbethevaluesoutputfortheScan

AnalysisModeselections.UptotwoScanAnalysisModeselectionscanbeactive.

ALL Mode: thestatusofeachbeaminthelightscreenarraywillbetransmittedfor

each scan. InALLmode,blankedchannelsaretransmittedasunblocked(orclear)

beams.

Max Meas Mode: thecontrolmodulerecordsthemaximummeasurementvalue

registeredwhilethelightscreenisblocked.Thatdatamaybetransmittedtothehost

eitherwhenthearrayisclearattheendofthesensingevent(selectSend On Clear),

orwhenpromptedbythehost(selectSend On Request).Thismodereducesthe

amountofserialdatasent.

5.4.2 Transmission Type

Transmissiontypedefinestheformatinwhichdataissent.TheASCIIoptioncauses

thecontrolmoduletosenddatainthreeASCII-codedbytes.TheBinaryoptioncauses

datatobesentinbinaryformat,reducingtheamountofdatapermeasurementmode

fromthreebytestotwo.Formoreinformationonthedataformats,refertoAppendix

Figure 5-25. Serial Data Transmission

options (PSF Configuration

screen)

Control Module Configuration

Banner Engineering Corp. •Minneapolis,U.S.A.