Manual

Software User Guide 156
Automation Tab
Channel:Channel:AchannelisaphysicalIOpointthatcanbeeitheranalogordigital.
UserZeroCorrection:Manuallyadjusttheuseroffsetcalibrationforanaloginputs/outputs.Everyanalog/inputiscali‐
bratedatthefactoryaccordingtothespecifiedaccuracy.Theusercalibrationissuppliedtoaccounttoadjustthe
reported
valuestoaccountforwiringorinstrumentationerrors.Forthisreason,mostinputs/outputswillNOTneedto
becalibrated.
ZeroorOffsetcalibrationsareusedtoadjustthereportedvaluefrom5to15%fullscale.Thecali brationcanbe
adjustedcoarselybymovingtheslidebarfromlefttoright
withamouse.Forfineadjustments,usethe‐/+buttonson
eithersideoftheslidebar.Thecorrespondingadjustmentwillbedisplayedinthecalibrationconfiguration.Thecali‐
brationwillnottakeeff ectuntiltheapply buttonisclicked.
Anegativeadjustment(negativecalibrationvalue)willcausethereportedchannel
valuetogodown.Apositiveadjust‐
ment(positivecalibrationvalue)willcausethereportedchannelvaluetogoup.Thelargerthecalibrationvaluethe
greaterthedifferencewillbebetweenthereportedchannelvalueandtheactualmeasuredvalue.
Instructionsonaddingusercalibrations:
Usethismethodtocalibrateachannelusingthemanualslidebarusercalibration.
1. Setyouranalogsignaldeviceforanearminimum(5to15%fullscale)output.Measurethedevice’soutputatthemod‐
ule’sscrewterminalswithaprecisionmeterorexternalstandardmonitor.
2. Applythesmallsignaltotheanaloginputchannel.Comparethevaluecurrentlybeingreportedwiththevalueonyour
meter.Iftheyarenotequal,adjusttheOffsetvaluebytheusingtheslidebarandarrowsintheOffsetdisplaybox.Click
theApplybuttonandobservetheeffect
ofthenewoffsetfactor.Repeatthisstepuntilasatisfactoryreadingisobtained.
3. Setyouranalogdeviceforanearfullscale(85to95%fullscale)output.Comparethevaluecurrentlybeingreportedwith
thevalueonyourmeter.Iftheyarenotequal,adjustthespanvalueby
usingtheslidebarandarrowsinthespandisplay
box.ClicktheApplybuttonandobservetheeffectofthenewspanfactor.Repeatthisstepunitasatisfactory readingis
obtained.
4. Thechannelisnowcalibrated.
UserSpanCorrection:Manuallyadjusttheuserspancalibrationforanaloginputs/outputs.Everyanaloginput/output
iscalibratedatthefactoryaccordingtospecifiedaccuracy.Theusercalibrationissuppliedtoaccounttoadjustthe
reportedvaluestoaccountforwiringorinstrumentationerrors.Forthisreason,mostinputs/outputswillNOTneed
to
becalibrated.Spancalibrationareusedtoadjustthereportedvaluefrom85to95%offull‐scale.
Thecalibrationcanbeadjustedcoarselybymovingtheslidebartotheleftorrightwithamouse.Forfineadjust‐
ments,usethe‐/+buttonsoneithersideofthe
slidebar.Thecorrespondingadjustmentwillbedisplayedinthecali‐
brationconfiguration.Thecalibrationwillnottakeeffectuntiltheapplybuttonisclicked.Anegativeadjustment
(negativecalibrationvalue)willcausethereportedchannelvaluetogodown.Apositiveadjustment(positivecalibra‐
tionvalue)willcausethe
reportedchannelvaluetogoup.Thelargerthecalibrationvalue,thegreaterthedifference
willbebetweenthereportedchannelvalueandtheactualmeasuredvalue.
Instructionsonaddingusercalibration:
Usethismethodtocalibrateachannelusingthemanualslidebarusercalibration:
1. Setyouranalogsignaldeviceforanearminimum(5to15%fullscale)output.Measurethedevice’soutputatthemod‐
ule’sscrewterminalswithaprecisionmeterorexternalstandardmonitor.
2. Applythesmallsignaltotheanaloginputchannel.Comparethevaluecurrentlybeingreportedwiththevalueonyour
meter.Iftheyarenotequal,adjusttheOffsetvaluebyusingtheslidebarandarrowsintheOffsetdisplaybox.Clickthe
Applybuttonandobservetheeffectof
thenewoffsetfactor.Repeatthisstepuntilasatisfactoryreadingisobtained.
3. Setyouranalogsignaldeviceforanearfullscale(85to95%fullscale)output.Comparethevaluecurrentlybeing
reportedwiththevalueonyourmeter.Iftheyarenotequal,adjusttheSpanvalueby
usingtheslidebarandarrowsinthe