epro MMS 6000 - Limit watching and alarms

  MMS6110Directionforuse
 TechnicalData  Page43
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InputexternalblockingES
z22–forlockingthealarmlimitwatching;e.g.duringmaintenanceetc.
Functionlocking InputLOW=limitwatchingandalarmoutput
blocked
Enable InputHIGHoropen=limitwatchingand
alarmoutputnotblocked
Signallevel LOW:0...+3V,HIGH:+13...+48V
6.3 Limitwatchingandalarms
TwoalarmchannelseachofthemwithalarmoutputsALERTandDANGERand
separatelimitsetting.Alarmoutputifthecharacteristicalvalueexceedsthepro-
grammedlimit.(Setvalue>limitvalue)
Limitsetting
Duringconfiguration,dependingontheparametersformeasuringmode,calcula-
tionofcharacteristicalvalues,measuringrangeetc..
Adjustmentcondition LimitvalueALERT<LimitvalueDANGER
Adjustmentrange 5...100  %oftheconfiguredmeasuringrange
Resolutionandreproducibility 1%relatedtof.s.d.
Hysteresis Configurableto1...20%relatedtof.s.d
Thehysteresisisonlyeffectiveatdecreasing
measuringvalues.
Responsedelay
configurableto1,2,3,4,5sec.;effectiveonthealarmoutputs.
Alarmblocking
Blocking(seesection6.2) if(K&Pactive=yes)
(Voltageorwatchdognotok)
(Ext.blocking=blocking)
(channelstatus=errorandlimitsup-
presionon*)
(Channelstatus=enabledelayed)
OR
OR
OR
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OR
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Noblocking Iftheconditionaboveisnotmet 
*Duringtheconfigurationitcanbedeterminedwhetherthealarmoutputsshallbe
disabledbythechannelsupervision.
Alarmvisualization
BymeansoftworedLEDsforchannel1andchannel2
Nolimitexceededoralarms
blocked
LEDoff
Prealarm(ALERT),nomainalarm
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LEDflasheswith2Hz(dutycycle50%)