Manual

Software User Guide 152
Automation Tab
TPOperiod(ms):TimeProportionedOutputs(TPO)areoutputsthatturnonandoffinproportiontoananalogvalue.
Typically,theoutputwillturnonandoffonceduringthespecifiedTPOperiod(cycletime).
SpecifyacycletimeforallenabledTPOoutputsinthemodule.Therangeof
thecycletimeis20msto10minutes
(600,000ms).EachTPOwillpulseONandOFFonceduringeachcycleperiod,unlessaminimumOFF/ONtimeisspeci‐
fied.ThedefaultTPOperiodvalueis1000ms.
MinOFF/ON(ms):SpecifyaminimumOFF/ONtime(shortestallowableONorOFFpulse)if
theoutputdevicesarenot
capableofchangingstatwithing1/32767ofthedesiredtime.(Mechanicalrelaysareanexampleofsuchadevice).
TherangefortheminimumOFF/ONtimeis10msto10minutes.Allsettingswillmaintainthetimeproportionbywait‐
ingmultiplecycletimes,ifneeded,
toturnanoutputONorOFF.Thedefaultvalueforthisfieldis100ms.
Channel:AchannelisaphysicalIOpointthatcanbeeitheranalogordi gital.
ModbusAddress:Configurationmustbesequential.Addressesarefixedsequentiallyfromthebaseaddress.
Mode:Thisoptionwillenable /disablethediscreteoutput
channel.
TPO:SelecttheEnableTimeProportionedOutputs(TPODisabled/Enabled)inthedropdownlist,ifitisdesirableto
haveanydiscreteoutputsinthismodulefunctionastimeproportionedoutputs.AlldiscreteouputssupportthisTPO
capability.EachchannelcanfunctionasaTPOoutputoradiscreteoutput,but
notboth.IfTPOisenabled,theTPO
period,Min.OFF/ONandTPOIODB/Modbusaddressmustbeconfiguredaswell.
TheanalogvalueassociatedwitheachchannelwillcontrolhowlongtheTPOwi llbeONorOFF(16‐bitvaluefrom0‐
32767).Forex ample,ananalogvalueofzero
willtelltheoutputtobeOFF.Avalueof3276(10%of32767)willturnthe
outputonfor10%ofthe“TPOPeriod”value.32767(fullscale)willcontroltheoutputtobeONatalltimesexceptfor
MinOFF/ONtime.
TPOModbusAddress:Thisfieldindicatestheregister
addressesoftheanalogoutputsthatcontroltheTPO’swhen
enabled.Configurationmustbesequential.Addressesarefixedsequentiallyfromthebaseaddress.
AnalogInput
• ClickontheAnalogInputbuttonandthefollowingdialogwindowwillappear: